======================================
| [    9.758607][  T216] softirqs last disabled at (19280): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.758610][  T216] Preemption disabled at:
| [    9.758611][  T216] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.758619][  T216] Tainted: [W]=WARN
[    9.758619][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.758621][  T216] Call Trace:
[    9.758622][  T216]  <TASK>
[    9.758624][  T216]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.758630][  T216]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.758632][  T216]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.758636][  T216]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.758640][  T216]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.758645][  T216]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.758647][  T216]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.758653][  T216]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.758660][  T216]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.758664][  T216]  put_chars (drivers/char/virtio_console.c:1176)
[    9.758667][  T216]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.758673][  T216]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.758680][  T216]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.758683][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.758688][  T216]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.758691][  T216]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.758693][  T216]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.758697][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.758699][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.758703][  T216]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.758707][  T216]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.758709][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.758714][  T216]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.758717][  T216]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.758719][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.758720][  T216]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[    9.758724][  T216]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.758726][  T216]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.758728][  T216]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.758731][  T216]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.758733][  T216]  ? save_trace (kernel/locking/lockdep.c:589)
[    9.758737][  T216]  _printk (kernel/printk/printk.c:2504)
[    9.758741][  T216]  ? snapshot_read.cold (user.c:?)
[    9.758744][  T216]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.758746][  T216]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    9.758750][  T216]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    9.758752][  T216]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.758754][  T216]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.758757][  T216]  ? netdev_notice (net/core/dev.c:13194)
[    9.758760][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.758762][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.758765][  T216]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.758768][  T216]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.758770][  T216]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.758772][  T216]  ? register_netdev (net/core/dev.c:11618)
[    9.758773][  T216]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[    9.758779][  T216]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.758781][  T216]  ? __kernel_text_address (kernel/extable.c:79)
[    9.758784][  T216]  ? write_profile (profile.c:?)
[    9.758787][  T216]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.758793][  T216]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.758796][  T216]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    9.758798][  T216]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.758799][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.758802][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.758805][  T216]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.758807][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.758809][  T216]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.758811][  T216]  ? kasan_save_stack (mm/kasan/common.c:58)
[    9.758813][  T216]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.758814][  T216]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.758815][  T216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.758818][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.758819][  T216]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[    9.758822][  T216]  ? ___sys_sendmsg (net/socket.c:2758)
[    9.758826][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.758828][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.758830][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.758832][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.758833][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.758835][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.758836][  T216]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.758838][  T216]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[    9.758841][  T216]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.758843][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.758846][  T216]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.758847][  T216]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.758852][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.758854][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    9.758859][  T216]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    9.758864][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.758866][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.758870][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.758872][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.758874][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.758876][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.758879][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.758881][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.758884][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.758885][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.758890][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.758892][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.758895][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.758898][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.758901][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.758907][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.758909][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.758913][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.758917][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.758919][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.758923][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.758927][  T216]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.758931][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.758933][  T216]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[    9.758938][  T216]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[    9.758940][  T216]  ____sys_sendmsg (net/socket.c:2713)
[    9.758942][  T216]  ? copy_msghdr_from_user (net/socket.c:2650)
[    9.758945][  T216]  ? sock_write_iter (net/socket.c:1269)
[    9.758946][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[    9.758953][  T216]  ___sys_sendmsg (net/socket.c:2767)
[    9.758956][  T216]  ? copy_msghdr_from_user (net/socket.c:2619)
[    9.758971][  T216]  __sys_sendmsg (net/socket.c:2799)
[    9.758974][  T216]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    9.758980][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.758983][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.758986][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.758989][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.758991][  T216] RIP: 0033:0x7f0675b1d54e
[    9.758995][  T216] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.758996][  T216] RSP: 002b:00007ffc4ade8180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.758999][  T216] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0675b1d54e
[    9.759000][  T216] RDX: 0000000000000000 RSI: 00007ffc4ade8230 RDI: 0000000000000005
[    9.759001][  T216] RBP: 00007ffc4ade8190 R08: 0000000000000000 R09: 0000000000000000
[    9.759001][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179b8
[    9.759002][  T216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4ade88f0
| [   11.648864][  T294] softirqs last disabled at (17240): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   11.648866][  T294] Preemption disabled at:
| [   11.648866][  T294] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.648875][  T294] Tainted: [W]=WARN
[   11.648876][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.648877][  T294] Call Trace:
[   11.648879][  T294]  <TASK>
[   11.648881][  T294]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.648887][  T294]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.648889][  T294]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.648893][  T294]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.648897][  T294]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.648901][  T294]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.648903][  T294]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.648910][  T294]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.648913][  T294]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.648916][  T294]  put_chars (drivers/char/virtio_console.c:1176)
[   11.648919][  T294]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.648920][  T294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.648923][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.648926][  T294]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.648931][  T294]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.648935][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.648940][  T294]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.648943][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.648947][  T294]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.648951][  T294]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.648953][  T294]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.648956][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.648958][  T294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.648962][  T294]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.648966][  T294]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.648968][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.648973][  T294]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.648976][  T294]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.648978][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.648979][  T294]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.648983][  T294]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.648985][  T294]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.648987][  T294]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.648990][  T294]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.648992][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.648995][  T294]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.648998][  T294]  _printk (kernel/printk/printk.c:2504)
[   11.649002][  T294]  ? snapshot_read.cold (user.c:?)
[   11.649006][  T294]  ? br_multicast_flood (??:?)
[   11.649008][  T294]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   11.649010][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   11.649011][  T294]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.649015][  T294]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   11.649019][  T294]  br_init_port (net/bridge/br_stp_if.c:39)
[   11.649022][  T294]  new_nbp (net/bridge/br_if.c:449)
[   11.649026][  T294]  br_add_if (net/bridge/br_if.c:592)
[   11.649028][  T294]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   11.649035][  T294]  do_set_master (net/core/rtnetlink.c:3071)
[   11.649039][  T294]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   11.649042][  T294]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   11.649044][  T294]  ? __dev_get_by_name (net/core/dev.c:905)
[   11.649046][  T294]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   11.649055][  T294]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   11.649062][  T294]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.649069][  T294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.649071][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649077][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.649081][  T294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.649083][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.649086][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.649087][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649092][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.649094][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.649098][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.649100][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.649103][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.649109][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.649111][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.649116][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.649119][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.649125][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.649129][  T294]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.649133][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.649134][  T294]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.649140][  T294]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.649143][  T294]  ____sys_sendmsg (net/socket.c:2713)
[   11.649146][  T294]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.649148][  T294]  ? sock_write_iter (net/socket.c:1269)
[   11.649149][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   11.649154][  T294]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   11.649156][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.649160][  T294]  ___sys_sendmsg (net/socket.c:2767)
[   11.649162][  T294]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   11.649164][  T294]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.649166][  T294]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   11.649181][  T294]  __sys_sendmsg (net/socket.c:2799)
[   11.649184][  T294]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.649189][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.649191][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.649194][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.649197][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.649200][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.649203][  T294] RIP: 0033:0x7f5c6986a54e
[   11.649206][  T294] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.649208][  T294] RSP: 002b:00007ffc50c3f500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.649211][  T294] RAX: ffffffffffffffda RBX: 00007ffc50c3fcc8 RCX: 00007f5c6986a54e
[   11.649212][  T294] RDX: 0000000000000000 RSI: 00007ffc50c3f5b0 RDI: 0000000000000005
[   11.649213][  T294] RBP: 00007ffc50c3f510 R08: 0000000000000000 R09: 0000000000000000
[   11.649214][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179ba
[   11.649214][  T294] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc50c3fc80
| [   13.324533][  T350] softirqs last disabled at (24640): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   13.324535][  T350] Preemption disabled at:
| [   13.324536][  T350] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.324544][  T350] Tainted: [W]=WARN
[   13.324545][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.324546][  T350] Call Trace:
[   13.324547][  T350]  <TASK>
[   13.324549][  T350]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.324555][  T350]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.324557][  T350]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.324561][  T350]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.324565][  T350]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.324569][  T350]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.324571][  T350]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.324578][  T350]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.324580][  T350]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.324584][  T350]  put_chars (drivers/char/virtio_console.c:1176)
[   13.324586][  T350]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.324588][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.324591][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.324594][  T350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.324599][  T350]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.324603][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.324608][  T350]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.324611][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.324615][  T350]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.324619][  T350]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.324621][  T350]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.324624][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.324626][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.324630][  T350]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.324634][  T350]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.324636][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.324641][  T350]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.324644][  T350]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.324646][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.324648][  T350]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.324651][  T350]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.324653][  T350]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.324656][  T350]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.324659][  T350]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.324661][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.324663][  T350]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.324667][  T350]  _printk (kernel/printk/printk.c:2504)
[   13.324671][  T350]  ? snapshot_read.cold (user.c:?)
[   13.324674][  T350]  ? br_multicast_flood (??:?)
[   13.324681][  T350]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   13.324683][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   13.324684][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.324688][  T350]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   13.324692][  T350]  br_init_port (net/bridge/br_stp_if.c:39)
[   13.324695][  T350]  new_nbp (net/bridge/br_if.c:449)
[   13.324699][  T350]  br_add_if (net/bridge/br_if.c:592)
[   13.324700][  T350]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   13.324708][  T350]  do_set_master (net/core/rtnetlink.c:3071)
[   13.324712][  T350]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   13.324715][  T350]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   13.324717][  T350]  ? __dev_get_by_name (net/core/dev.c:905)
[   13.324719][  T350]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   13.324728][  T350]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   13.324735][  T350]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.324740][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.324742][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.324748][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.324752][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.324754][  T350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.324757][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.324759][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.324763][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.324765][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.324769][  T350]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.324772][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.324775][  T350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.324781][  T350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.324783][  T350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.324788][  T350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.324792][  T350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.324797][  T350]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.324801][  T350]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.324805][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.324806][  T350]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.324812][  T350]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.324816][  T350]  ____sys_sendmsg (net/socket.c:2713)
[   13.324818][  T350]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.324820][  T350]  ? sock_write_iter (net/socket.c:1269)
[   13.324822][  T350]  ? move_addr_to_kernel (net/socket.c:258)
[   13.324826][  T350]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   13.324829][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.324832][  T350]  ___sys_sendmsg (net/socket.c:2767)
[   13.324834][  T350]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   13.324836][  T350]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.324839][  T350]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   13.324854][  T350]  __sys_sendmsg (net/socket.c:2799)
[   13.324857][  T350]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.324862][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.324864][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.324867][  T350]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.324870][  T350]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.324873][  T350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.324875][  T350] RIP: 0033:0x7fa9984d354e
[   13.324879][  T350] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.324881][  T350] RSP: 002b:00007ffdf55ea220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.324884][  T350] RAX: ffffffffffffffda RBX: 00007ffdf55ea9e8 RCX: 00007fa9984d354e
[   13.324885][  T350] RDX: 0000000000000000 RSI: 00007ffdf55ea2d0 RDI: 0000000000000005
[   13.324886][  T350] RBP: 00007ffdf55ea230 R08: 0000000000000000 R09: 0000000000000000
[   13.324887][  T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179bb
[   13.324888][  T350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf55ea9a0
| [   14.331672][  T380] softirqs last disabled at (18234): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.331674][  T380] Preemption disabled at:
| [   14.331675][  T380] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.331688][  T380] Tainted: [W]=WARN
[   14.331689][  T380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.331691][  T380] Call Trace:
[   14.331692][  T380]  <TASK>
[   14.331694][  T380]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.331700][  T380]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.331702][  T380]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.331706][  T380]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.331710][  T380]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.331715][  T380]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.331717][  T380]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.331723][  T380]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.331726][  T380]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.331730][  T380]  put_chars (drivers/char/virtio_console.c:1176)
[   14.331732][  T380]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.331733][  T380]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.331737][  T380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.331740][  T380]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.331745][  T380]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.331749][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.331754][  T380]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.331757][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.331762][  T380]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.331766][  T380]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.331768][  T380]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.331771][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.331773][  T380]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.331777][  T380]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.331782][  T380]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.331783][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.331789][  T380]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.331792][  T380]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.331794][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.331796][  T380]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   14.331799][  T380]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.331801][  T380]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.331804][  T380]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.331807][  T380]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.331809][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.331812][  T380]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.331815][  T380]  _printk (kernel/printk/printk.c:2504)
[   14.331819][  T380]  ? snapshot_read.cold (user.c:?)
[   14.331823][  T380]  ? br_multicast_flood (??:?)
[   14.331826][  T380]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   14.331827][  T380]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   14.331829][  T380]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.331833][  T380]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   14.331837][  T380]  br_init_port (net/bridge/br_stp_if.c:39)
[   14.331840][  T380]  new_nbp (net/bridge/br_if.c:449)
[   14.331844][  T380]  br_add_if (net/bridge/br_if.c:592)
[   14.331846][  T380]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   14.331853][  T380]  do_set_master (net/core/rtnetlink.c:3071)
[   14.331857][  T380]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   14.331861][  T380]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   14.331863][  T380]  ? __dev_get_by_name (net/core/dev.c:905)
[   14.331865][  T380]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   14.331874][  T380]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   14.331881][  T380]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.331886][  T380]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.331888][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.331895][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.331899][  T380]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.331901][  T380]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.331904][  T380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.331906][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.331910][  T380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.331912][  T380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.331916][  T380]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.331919][  T380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.331922][  T380]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.331929][  T380]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.331931][  T380]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.331936][  T380]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.331940][  T380]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.331945][  T380]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.331950][  T380]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.331954][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.331955][  T380]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.331961][  T380]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.331965][  T380]  ____sys_sendmsg (net/socket.c:2713)
[   14.331967][  T380]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.331970][  T380]  ? sock_write_iter (net/socket.c:1269)
[   14.331971][  T380]  ? move_addr_to_kernel (net/socket.c:258)
[   14.331976][  T380]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   14.331978][  T380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.331982][  T380]  ___sys_sendmsg (net/socket.c:2767)
[   14.331984][  T380]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   14.331986][  T380]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.331989][  T380]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   14.332004][  T380]  __sys_sendmsg (net/socket.c:2799)
[   14.332007][  T380]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.332013][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.332015][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.332018][  T380]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.332022][  T380]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.332024][  T380]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.332027][  T380] RIP: 0033:0x7f6128f9754e
[   14.332031][  T380] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.332032][  T380] RSP: 002b:00007ffd31986ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.332035][  T380] RAX: ffffffffffffffda RBX: 00007ffd319874a8 RCX: 00007f6128f9754e
[   14.332037][  T380] RDX: 0000000000000000 RSI: 00007ffd31986d90 RDI: 0000000000000005
[   14.332037][  T380] RBP: 00007ffd31986cf0 R08: 0000000000000000 R09: 0000000000000000
[   14.332038][  T380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179bc
[   14.332039][  T380] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd31987460
| [   21.283176][   T12] softirqs last disabled at (29771): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.283178][   T12] Preemption disabled at:
| [   21.283179][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.283187][   T12] Tainted: [W]=WARN
[   21.283188][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.283190][   T12] Workqueue: netns cleanup_net
[   21.283193][   T12] Call Trace:
[   21.283194][   T12]  <TASK>
[   21.283197][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.283203][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.283205][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.283209][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.283213][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.283218][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.283220][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.283226][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.283230][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.283234][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   21.283236][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.283240][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   21.283245][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.283249][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.283254][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.283258][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.283263][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.283268][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.283270][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   21.283273][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.283275][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.283279][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.283284][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.283286][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.283288][   T12]  ? write_ibpb (arch/x86/entry/entry.S:25)
[   21.283294][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.283297][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.283299][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.283301][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   21.283305][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.283307][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.283310][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.283313][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.283315][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   21.283316][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   21.283318][   T12]  ? kthread (kernel/kthread.c:436)
[   21.283321][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   21.283323][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   21.283328][   T12]  _printk (kernel/printk/printk.c:2504)
[   21.283332][   T12]  ? snapshot_read.cold (user.c:?)
[   21.283336][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.283340][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.283345][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.283348][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   21.283352][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.283354][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   21.283357][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   21.283359][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.283362][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   21.283366][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   21.283369][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   21.283376][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   21.283380][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   21.283383][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   21.283387][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.283389][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.283391][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.283394][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   21.283399][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   21.283403][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.283407][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.283409][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.283412][   T12]  process_one_work (kernel/workqueue.c:3387)
[   21.283419][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   21.283422][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.283430][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   21.283438][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   21.283440][   T12]  kthread (kernel/kthread.c:436)
[   21.283442][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.283445][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   21.283448][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.283451][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   21.283455][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.283458][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   21.283461][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.394783][  T528] softirqs last disabled at (20226): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.394786][  T528] Preemption disabled at:
| [   22.394787][  T528] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.394795][  T528] Tainted: [W]=WARN
[   22.394796][  T528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.394798][  T528] Call Trace:
[   22.394799][  T528]  <TASK>
[   22.394801][  T528]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.394807][  T528]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.394809][  T528]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.394813][  T528]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.394818][  T528]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.394822][  T528]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.394824][  T528]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.394831][  T528]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.394833][  T528]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.394837][  T528]  put_chars (drivers/char/virtio_console.c:1176)
[   22.394840][  T528]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.394846][  T528]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.394854][  T528]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.394858][  T528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.394862][  T528]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.394866][  T528]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.394868][  T528]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.394872][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.394875][  T528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.394879][  T528]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.394883][  T528]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.394885][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.394891][  T528]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.394894][  T528]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.394896][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.394897][  T528]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.394901][  T528]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.394903][  T528]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.394906][  T528]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.394909][  T528]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.394912][  T528]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   22.394917][  T528]  _printk (kernel/printk/printk.c:2504)
[   22.394921][  T528]  ? snapshot_read.cold (user.c:?)
[   22.394923][  T528]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.394925][  T528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.394928][  T528]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.394930][  T528]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.394934][  T528]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.394937][  T528]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.394940][  T528]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.394943][  T528]  ? netdev_notice (net/core/dev.c:13194)
[   22.394946][  T528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.394949][  T528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.394951][  T528]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.394955][  T528]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.394957][  T528]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.394960][  T528]  ? register_netdev (net/core/dev.c:11618)
[   22.394961][  T528]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   22.394967][  T528]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.394969][  T528]  ? __kernel_text_address (kernel/extable.c:79)
[   22.394972][  T528]  ? write_profile (profile.c:?)
[   22.394976][  T528]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.394981][  T528]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.394985][  T528]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.394987][  T528]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.394989][  T528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.394991][  T528]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.394994][  T528]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.394996][  T528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.394998][  T528]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.395001][  T528]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.395003][  T528]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.395004][  T528]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.395005][  T528]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.395008][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.395010][  T528]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.395013][  T528]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.395017][  T528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.395019][  T528]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.395021][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.395023][  T528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.395025][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.395026][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.395028][  T528]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.395030][  T528]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   22.395031][  T528]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.395033][  T528]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.395037][  T528]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.395038][  T528]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.395043][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.395045][  T528]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.395051][  T528]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.395056][  T528]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.395058][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.395063][  T528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.395065][  T528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.395070][  T528]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.395072][  T528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.395076][  T528]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.395078][  T528]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.395081][  T528]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.395083][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.395087][  T528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.395089][  T528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.395093][  T528]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.395096][  T528]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.395099][  T528]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.395106][  T528]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.395108][  T528]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.395112][  T528]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.395116][  T528]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.395119][  T528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.395124][  T528]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.395128][  T528]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.395132][  T528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.395133][  T528]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.395139][  T528]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.395142][  T528]  ____sys_sendmsg (net/socket.c:2713)
[   22.395144][  T528]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.395146][  T528]  ? sock_write_iter (net/socket.c:1269)
[   22.395148][  T528]  ? move_addr_to_kernel (net/socket.c:258)
[   22.395156][  T528]  ___sys_sendmsg (net/socket.c:2767)
[   22.395159][  T528]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.395175][  T528]  __sys_sendmsg (net/socket.c:2799)
[   22.395178][  T528]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.395185][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.395188][  T528]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.395191][  T528]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.395194][  T528]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.395196][  T528] RIP: 0033:0x7fe47ba2754e
[   22.395200][  T528] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.395202][  T528] RSP: 002b:00007ffc973ba060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.395204][  T528] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe47ba2754e
[   22.395206][  T528] RDX: 0000000000000000 RSI: 00007ffc973ba110 RDI: 0000000000000005
[   22.395207][  T528] RBP: 00007ffc973ba070 R08: 0000000000000000 R09: 0000000000000000
[   22.395208][  T528] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179c4
[   22.395209][  T528] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc973ba7d0
| [   24.258572][  T603] softirqs last disabled at (19356): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   24.258574][  T603] Preemption disabled at:
| [   24.258575][  T603] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.258583][  T603] Tainted: [W]=WARN
[   24.258584][  T603] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.258586][  T603] Call Trace:
[   24.258587][  T603]  <TASK>
[   24.258589][  T603]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.258595][  T603]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.258597][  T603]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.258601][  T603]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.258606][  T603]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.258610][  T603]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.258612][  T603]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.258619][  T603]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.258621][  T603]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.258625][  T603]  put_chars (drivers/char/virtio_console.c:1176)
[   24.258628][  T603]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.258629][  T603]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.258633][  T603]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.258636][  T603]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.258641][  T603]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.258645][  T603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.258650][  T603]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.258653][  T603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.258658][  T603]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.258662][  T603]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.258664][  T603]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.258667][  T603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.258669][  T603]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.258673][  T603]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.258678][  T603]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.258680][  T603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.258685][  T603]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.258688][  T603]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.258690][  T603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.258692][  T603]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.258695][  T603]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.258697][  T603]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.258700][  T603]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.258703][  T603]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.258705][  T603]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.258708][  T603]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.258712][  T603]  _printk (kernel/printk/printk.c:2504)
[   24.258716][  T603]  ? snapshot_read.cold (user.c:?)
[   24.258719][  T603]  ? br_multicast_flood (??:?)
[   24.258722][  T603]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   24.258724][  T603]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   24.258725][  T603]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.258729][  T603]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   24.258734][  T603]  br_init_port (net/bridge/br_stp_if.c:39)
[   24.258736][  T603]  new_nbp (net/bridge/br_if.c:449)
[   24.258740][  T603]  br_add_if (net/bridge/br_if.c:592)
[   24.258742][  T603]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   24.258755][  T603]  do_set_master (net/core/rtnetlink.c:3071)
[   24.258759][  T603]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   24.258762][  T603]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   24.258764][  T603]  ? __dev_get_by_name (net/core/dev.c:905)
[   24.258766][  T603]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   24.258776][  T603]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   24.258782][  T603]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.258788][  T603]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.258790][  T603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.258797][  T603]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.258801][  T603]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.258803][  T603]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.258806][  T603]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.258807][  T603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.258812][  T603]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.258814][  T603]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.258818][  T603]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.258821][  T603]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.258824][  T603]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.258831][  T603]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.258833][  T603]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.258837][  T603]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.258841][  T603]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.258847][  T603]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.258851][  T603]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.258855][  T603]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.258857][  T603]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.258863][  T603]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.258866][  T603]  ____sys_sendmsg (net/socket.c:2713)
[   24.258869][  T603]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.258871][  T603]  ? sock_write_iter (net/socket.c:1269)
[   24.258873][  T603]  ? move_addr_to_kernel (net/socket.c:258)
[   24.258878][  T603]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   24.258880][  T603]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.258884][  T603]  ___sys_sendmsg (net/socket.c:2767)
[   24.258886][  T603]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   24.258888][  T603]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.258891][  T603]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   24.258906][  T603]  __sys_sendmsg (net/socket.c:2799)
[   24.258909][  T603]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.258915][  T603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.258917][  T603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.258920][  T603]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.258923][  T603]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.258926][  T603]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.258929][  T603] RIP: 0033:0x7fe7b9bb554e
[   24.258933][  T603] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.258934][  T603] RSP: 002b:00007ffe0dddf0a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.258937][  T603] RAX: ffffffffffffffda RBX: 00007ffe0dddf868 RCX: 00007fe7b9bb554e
[   24.258938][  T603] RDX: 0000000000000000 RSI: 00007ffe0dddf150 RDI: 0000000000000005
[   24.258939][  T603] RBP: 00007ffe0dddf0b0 R08: 0000000000000000 R09: 0000000000000000
[   24.258940][  T603] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179c6
[   24.258941][  T603] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0dddf820
| [   25.389559][  T642] softirqs last disabled at (16890): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   25.389562][  T642] Preemption disabled at:
| [   25.389562][  T642] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.389570][  T642] Tainted: [W]=WARN
[   25.389571][  T642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.389573][  T642] Call Trace:
[   25.389575][  T642]  <TASK>
[   25.389576][  T642]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.389582][  T642]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.389584][  T642]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.389589][  T642]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.389593][  T642]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.389598][  T642]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.389599][  T642]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.389606][  T642]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.389609][  T642]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.389612][  T642]  put_chars (drivers/char/virtio_console.c:1176)
[   25.389615][  T642]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.389621][  T642]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.389630][  T642]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.389633][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.389637][  T642]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.389641][  T642]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.389643][  T642]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   25.389647][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.389649][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.389653][  T642]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.389658][  T642]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.389660][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.389665][  T642]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.389668][  T642]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.389670][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.389672][  T642]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   25.389675][  T642]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.389677][  T642]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.389680][  T642]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.389683][  T642]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.389686][  T642]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   25.389691][  T642]  _printk (kernel/printk/printk.c:2504)
[   25.389695][  T642]  ? snapshot_read.cold (user.c:?)
[   25.389697][  T642]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.389699][  T642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.389702][  T642]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.389704][  T642]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.389708][  T642]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.389711][  T642]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.389713][  T642]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.389716][  T642]  ? netdev_notice (net/core/dev.c:13194)
[   25.389719][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.389722][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.389724][  T642]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.389728][  T642]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.389730][  T642]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   25.389732][  T642]  ? register_netdev (net/core/dev.c:11618)
[   25.389734][  T642]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   25.389739][  T642]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   25.389741][  T642]  ? __kernel_text_address (kernel/extable.c:79)
[   25.389744][  T642]  ? write_profile (profile.c:?)
[   25.389748][  T642]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   25.389758][  T642]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.389762][  T642]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.389764][  T642]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.389766][  T642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.389767][  T642]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.389771][  T642]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.389773][  T642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.389775][  T642]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.389777][  T642]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.389779][  T642]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.389780][  T642]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.389782][  T642]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.389784][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.389786][  T642]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   25.389789][  T642]  ? ___sys_sendmsg (net/socket.c:2758)
[   25.389793][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.389795][  T642]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.389797][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.389799][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.389801][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.389802][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.389804][  T642]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.389806][  T642]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   25.389807][  T642]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.389809][  T642]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.389813][  T642]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.389814][  T642]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.389819][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.389821][  T642]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.389826][  T642]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.389831][  T642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.389833][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.389838][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.389840][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.389842][  T642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.389844][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.389847][  T642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.389850][  T642]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.389853][  T642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.389854][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.389858][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.389860][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.389864][  T642]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.389867][  T642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.389870][  T642]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.389876][  T642]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.389878][  T642]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.389883][  T642]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.389887][  T642]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.389889][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.389894][  T642]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.389898][  T642]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.389901][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.389903][  T642]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   25.389908][  T642]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   25.389911][  T642]  ____sys_sendmsg (net/socket.c:2713)
[   25.389913][  T642]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.389916][  T642]  ? sock_write_iter (net/socket.c:1269)
[   25.389917][  T642]  ? move_addr_to_kernel (net/socket.c:258)
[   25.389925][  T642]  ___sys_sendmsg (net/socket.c:2767)
[   25.389928][  T642]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.389943][  T642]  __sys_sendmsg (net/socket.c:2799)
[   25.389946][  T642]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.389953][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.389956][  T642]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.389958][  T642]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.389961][  T642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.389964][  T642] RIP: 0033:0x7f7ec884854e
[   25.389967][  T642] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.389969][  T642] RSP: 002b:00007ffcc1537f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.389972][  T642] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7ec884854e
[   25.389974][  T642] RDX: 0000000000000000 RSI: 00007ffcc1537fe0 RDI: 0000000000000005
[   25.389975][  T642] RBP: 00007ffcc1537f40 R08: 0000000000000000 R09: 0000000000000000
[   25.389975][  T642] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179c7
[   25.389976][  T642] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc15386a0
| [   27.210291][  T700] softirqs last disabled at (27722): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   27.210293][  T700] Preemption disabled at:
| [   27.210293][  T700] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.210302][  T700] Tainted: [W]=WARN
[   27.210303][  T700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.210304][  T700] Call Trace:
[   27.210306][  T700]  <TASK>
[   27.210307][  T700]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.210314][  T700]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.210316][  T700]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.210320][  T700]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.210325][  T700]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.210329][  T700]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.210331][  T700]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.210338][  T700]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.210341][  T700]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.210345][  T700]  put_chars (drivers/char/virtio_console.c:1176)
[   27.210347][  T700]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.210349][  T700]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.210352][  T700]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.210355][  T700]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.210360][  T700]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.210364][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.210370][  T700]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.210373][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.210378][  T700]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.210382][  T700]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.210384][  T700]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   27.210387][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.210389][  T700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.210393][  T700]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.210398][  T700]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.210400][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.210405][  T700]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.210408][  T700]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.210410][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.210412][  T700]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.210416][  T700]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.210418][  T700]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.210421][  T700]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.210424][  T700]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.210426][  T700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.210429][  T700]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.210433][  T700]  _printk (kernel/printk/printk.c:2504)
[   27.210437][  T700]  ? snapshot_read.cold (user.c:?)
[   27.210440][  T700]  ? br_multicast_flood (??:?)
[   27.210443][  T700]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   27.210445][  T700]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   27.210446][  T700]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.210450][  T700]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   27.210455][  T700]  br_init_port (net/bridge/br_stp_if.c:39)
[   27.210457][  T700]  new_nbp (net/bridge/br_if.c:449)
[   27.210461][  T700]  br_add_if (net/bridge/br_if.c:592)
[   27.210464][  T700]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   27.210472][  T700]  do_set_master (net/core/rtnetlink.c:3071)
[   27.210476][  T700]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   27.210480][  T700]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   27.210481][  T700]  ? __dev_get_by_name (net/core/dev.c:905)
[   27.210484][  T700]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   27.210493][  T700]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   27.210500][  T700]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.210506][  T700]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.210508][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.210515][  T700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.210519][  T700]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.210521][  T700]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.210525][  T700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.210526][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.210531][  T700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.210533][  T700]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.210537][  T700]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.210540][  T700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.210543][  T700]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.210550][  T700]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.210552][  T700]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.210557][  T700]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.210561][  T700]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.210567][  T700]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.210571][  T700]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.210575][  T700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.210577][  T700]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   27.210583][  T700]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.210587][  T700]  ____sys_sendmsg (net/socket.c:2713)
[   27.210589][  T700]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.210592][  T700]  ? sock_write_iter (net/socket.c:1269)
[   27.210593][  T700]  ? move_addr_to_kernel (net/socket.c:258)
[   27.210598][  T700]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   27.210601][  T700]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.210605][  T700]  ___sys_sendmsg (net/socket.c:2767)
[   27.210607][  T700]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   27.210609][  T700]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.210612][  T700]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   27.210628][  T700]  __sys_sendmsg (net/socket.c:2799)
[   27.210631][  T700]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.210637][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.210639][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.210642][  T700]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.210646][  T700]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.210649][  T700]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.210651][  T700] RIP: 0033:0x7fe6c4e4e54e
[   27.210655][  T700] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.210657][  T700] RSP: 002b:00007ffd390d3070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.210660][  T700] RAX: ffffffffffffffda RBX: 00007ffd390d3838 RCX: 00007fe6c4e4e54e
[   27.210661][  T700] RDX: 0000000000000000 RSI: 00007ffd390d3120 RDI: 0000000000000005
[   27.210662][  T700] RBP: 00007ffd390d3080 R08: 0000000000000000 R09: 0000000000000000
[   27.210663][  T700] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179c9
[   27.210664][  T700] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd390d37f0
| [   34.211580][   T12] softirqs last disabled at (328912): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   34.211582][   T12] Preemption disabled at:
| [   34.211583][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.211591][   T12] Tainted: [W]=WARN
[   34.211592][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.211594][   T12] Workqueue: netns cleanup_net
[   34.211597][   T12] Call Trace:
[   34.211599][   T12]  <TASK>
[   34.211601][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.211607][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.211609][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.211613][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.211617][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.211621][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   34.211623][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.211631][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   34.211633][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.211637][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   34.211640][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.211641][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.211645][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.211648][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.211653][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.211657][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.211662][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.211665][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.211670][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.211674][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.211676][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   34.211679][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.211681][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.211685][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.211690][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.211692][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.211697][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.211700][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.211702][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.211704][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   34.211707][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.211709][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.211712][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.211715][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.211717][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   34.211719][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   34.211720][   T12]  ? kthread (kernel/kthread.c:436)
[   34.211723][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   34.211726][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   34.211730][   T12]  _printk (kernel/printk/printk.c:2504)
[   34.211734][   T12]  ? snapshot_read.cold (user.c:?)
[   34.211739][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.211742][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.211747][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.211749][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   34.211754][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.211756][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   34.211758][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   34.211760][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   34.211763][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   34.211767][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   34.211770][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   34.211777][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   34.211781][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   34.211784][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   34.211788][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   34.211791][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   34.211793][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.211796][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   34.211801][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   34.211804][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.211816][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.211818][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.211821][   T12]  process_one_work (kernel/workqueue.c:3387)
[   34.211828][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   34.211831][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.211839][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   34.211846][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.211848][   T12]  kthread (kernel/kthread.c:436)
[   34.211850][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.211854][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.211857][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.211860][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   34.211863][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.211867][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.211870][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.356583][  T848] softirqs last disabled at (13926): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   35.356585][  T848] Preemption disabled at:
| [   35.356586][  T848] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.356594][  T848] Tainted: [W]=WARN
[   35.356595][  T848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.356597][  T848] Call Trace:
[   35.356598][  T848]  <TASK>
[   35.356600][  T848]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.356606][  T848]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.356608][  T848]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.356612][  T848]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.356616][  T848]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.356620][  T848]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   35.356622][  T848]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.356629][  T848]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.356631][  T848]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.356634][  T848]  put_chars (drivers/char/virtio_console.c:1176)
[   35.356637][  T848]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.356643][  T848]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.356650][  T848]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.356653][  T848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.356657][  T848]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.356661][  T848]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.356663][  T848]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   35.356666][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.356669][  T848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.356672][  T848]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.356676][  T848]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.356678][  T848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.356683][  T848]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.356686][  T848]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.356688][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.356689][  T848]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   35.356693][  T848]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.356695][  T848]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.356697][  T848]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.356701][  T848]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.356703][  T848]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   35.356708][  T848]  _printk (kernel/printk/printk.c:2504)
[   35.356712][  T848]  ? snapshot_read.cold (user.c:?)
[   35.356713][  T848]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.356716][  T848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.356718][  T848]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.356720][  T848]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.356724][  T848]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.356727][  T848]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.356729][  T848]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.356732][  T848]  ? netdev_notice (net/core/dev.c:13194)
[   35.356734][  T848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.356737][  T848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.356739][  T848]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.356743][  T848]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.356745][  T848]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.356747][  T848]  ? register_netdev (net/core/dev.c:11618)
[   35.356748][  T848]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   35.356753][  T848]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.356756][  T848]  ? __kernel_text_address (kernel/extable.c:79)
[   35.356758][  T848]  ? write_profile (profile.c:?)
[   35.356762][  T848]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.356768][  T848]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.356771][  T848]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.356773][  T848]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.356774][  T848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.356776][  T848]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.356779][  T848]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.356781][  T848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.356783][  T848]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.356785][  T848]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.356787][  T848]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.356788][  T848]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.356789][  T848]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   35.356792][  T848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.356793][  T848]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   35.356796][  T848]  ? ___sys_sendmsg (net/socket.c:2758)
[   35.356800][  T848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.356802][  T848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.356804][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.356806][  T848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.356807][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.356809][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.356810][  T848]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.356816][  T848]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   35.356818][  T848]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.356820][  T848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.356823][  T848]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.356824][  T848]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.356829][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.356831][  T848]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.356836][  T848]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.356841][  T848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.356843][  T848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.356848][  T848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.356849][  T848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.356851][  T848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.356853][  T848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.356857][  T848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.356859][  T848]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.356862][  T848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.356863][  T848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.356867][  T848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.356869][  T848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.356873][  T848]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.356876][  T848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.356878][  T848]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.356885][  T848]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.356887][  T848]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.356891][  T848]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.356895][  T848]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.356897][  T848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.356901][  T848]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.356905][  T848]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.356909][  T848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.356911][  T848]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   35.356916][  T848]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   35.356918][  T848]  ____sys_sendmsg (net/socket.c:2713)
[   35.356921][  T848]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.356923][  T848]  ? sock_write_iter (net/socket.c:1269)
[   35.356924][  T848]  ? move_addr_to_kernel (net/socket.c:258)
[   35.356931][  T848]  ___sys_sendmsg (net/socket.c:2767)
[   35.356934][  T848]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.356949][  T848]  __sys_sendmsg (net/socket.c:2799)
[   35.356952][  T848]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.356958][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.356961][  T848]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.356964][  T848]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.356967][  T848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.356969][  T848] RIP: 0033:0x7f7a58ee654e
[   35.356973][  T848] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.356974][  T848] RSP: 002b:00007ffd3650afe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.356977][  T848] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7a58ee654e
[   35.356979][  T848] RDX: 0000000000000000 RSI: 00007ffd3650b090 RDI: 0000000000000005
[   35.356979][  T848] RBP: 00007ffd3650aff0 R08: 0000000000000000 R09: 0000000000000000
[   35.356980][  T848] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179d1
[   35.356981][  T848] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3650b750
| [   37.144653][  T923] softirqs last disabled at (17796): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   37.144655][  T923] Preemption disabled at:
| [   37.144656][  T923] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.144664][  T923] Tainted: [W]=WARN
[   37.144664][  T923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.144666][  T923] Call Trace:
[   37.144667][  T923]  <TASK>
[   37.144669][  T923]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.144675][  T923]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.144677][  T923]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.144681][  T923]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.144686][  T923]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.144690][  T923]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   37.144692][  T923]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.144698][  T923]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.144701][  T923]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.144705][  T923]  put_chars (drivers/char/virtio_console.c:1176)
[   37.144707][  T923]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.144708][  T923]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.144712][  T923]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.144715][  T923]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.144720][  T923]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.144724][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.144729][  T923]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.144732][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.144736][  T923]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.144740][  T923]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.144742][  T923]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   37.144745][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.144747][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.144751][  T923]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.144755][  T923]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.144757][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.144762][  T923]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.144765][  T923]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.144767][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.144769][  T923]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   37.144772][  T923]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.144774][  T923]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.144777][  T923]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.144780][  T923]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.144782][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.144784][  T923]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.144788][  T923]  _printk (kernel/printk/printk.c:2504)
[   37.144791][  T923]  ? snapshot_read.cold (user.c:?)
[   37.144795][  T923]  ? br_multicast_flood (??:?)
[   37.144798][  T923]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   37.144799][  T923]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   37.144800][  T923]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.144805][  T923]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   37.144809][  T923]  br_init_port (net/bridge/br_stp_if.c:39)
[   37.144811][  T923]  new_nbp (net/bridge/br_if.c:449)
[   37.144815][  T923]  br_add_if (net/bridge/br_if.c:592)
[   37.144817][  T923]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   37.144829][  T923]  do_set_master (net/core/rtnetlink.c:3071)
[   37.144833][  T923]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   37.144837][  T923]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   37.144838][  T923]  ? __dev_get_by_name (net/core/dev.c:905)
[   37.144841][  T923]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   37.144850][  T923]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   37.144856][  T923]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.144861][  T923]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.144863][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.144870][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.144874][  T923]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.144876][  T923]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.144879][  T923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.144880][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.144885][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.144887][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.144890][  T923]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.144894][  T923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.144896][  T923]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.144903][  T923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   37.144905][  T923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   37.144909][  T923]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.144913][  T923]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.144919][  T923]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.144923][  T923]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.144927][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.144928][  T923]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   37.144934][  T923]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   37.144937][  T923]  ____sys_sendmsg (net/socket.c:2713)
[   37.144940][  T923]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.144942][  T923]  ? sock_write_iter (net/socket.c:1269)
[   37.144944][  T923]  ? move_addr_to_kernel (net/socket.c:258)
[   37.144948][  T923]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   37.144951][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.144954][  T923]  ___sys_sendmsg (net/socket.c:2767)
[   37.144956][  T923]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   37.144958][  T923]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.144961][  T923]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   37.144975][  T923]  __sys_sendmsg (net/socket.c:2799)
[   37.144979][  T923]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.144984][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.144986][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.144989][  T923]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.144992][  T923]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.144995][  T923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.144997][  T923] RIP: 0033:0x7fbc2b2cd54e
[   37.145001][  T923] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   37.145003][  T923] RSP: 002b:00007ffd6344d9a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.145006][  T923] RAX: ffffffffffffffda RBX: 00007ffd6344e168 RCX: 00007fbc2b2cd54e
[   37.145007][  T923] RDX: 0000000000000000 RSI: 00007ffd6344da50 RDI: 0000000000000005
[   37.145008][  T923] RBP: 00007ffd6344d9b0 R08: 0000000000000000 R09: 0000000000000000
[   37.145009][  T923] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179d3
[   37.145009][  T923] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6344e120
| [   38.279637][  T962] softirqs last disabled at (21732): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   38.279640][  T962] Preemption disabled at:
| [   38.279640][  T962] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.279649][  T962] Tainted: [W]=WARN
[   38.279650][  T962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.279651][  T962] Call Trace:
[   38.279652][  T962]  <TASK>
[   38.279654][  T962]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.279660][  T962]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.279661][  T962]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.279666][  T962]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.279670][  T962]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.279674][  T962]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.279676][  T962]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.279683][  T962]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.279686][  T962]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.279690][  T962]  put_chars (drivers/char/virtio_console.c:1176)
[   38.279692][  T962]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.279699][  T962]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.279707][  T962]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.279710][  T962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.279715][  T962]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.279719][  T962]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.279721][  T962]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   38.279724][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.279727][  T962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.279731][  T962]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.279736][  T962]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.279737][  T962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.279743][  T962]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.279746][  T962]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.279748][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.279750][  T962]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   38.279753][  T962]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.279755][  T962]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.279758][  T962]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.279761][  T962]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.279764][  T962]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   38.279769][  T962]  _printk (kernel/printk/printk.c:2504)
[   38.279773][  T962]  ? snapshot_read.cold (user.c:?)
[   38.279775][  T962]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.279777][  T962]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.279780][  T962]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.279782][  T962]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.279786][  T962]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.279789][  T962]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.279791][  T962]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.279794][  T962]  ? netdev_notice (net/core/dev.c:13194)
[   38.279797][  T962]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.279800][  T962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.279802][  T962]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.279806][  T962]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.279808][  T962]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   38.279810][  T962]  ? register_netdev (net/core/dev.c:11618)
[   38.279812][  T962]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   38.279817][  T962]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   38.279820][  T962]  ? __kernel_text_address (kernel/extable.c:79)
[   38.279822][  T962]  ? write_profile (profile.c:?)
[   38.279826][  T962]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.279838][  T962]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.279842][  T962]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.279844][  T962]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.279845][  T962]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.279847][  T962]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.279851][  T962]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.279853][  T962]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.279855][  T962]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.279857][  T962]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.279859][  T962]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.279860][  T962]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.279861][  T962]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.279864][  T962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.279866][  T962]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   38.279869][  T962]  ? ___sys_sendmsg (net/socket.c:2758)
[   38.279872][  T962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.279875][  T962]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.279877][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.279879][  T962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.279881][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.279882][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.279883][  T962]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.279886][  T962]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   38.279887][  T962]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.279889][  T962]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.279892][  T962]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.279893][  T962]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.279899][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.279901][  T962]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.279906][  T962]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.279912][  T962]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.279914][  T962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.279918][  T962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.279920][  T962]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.279922][  T962]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.279924][  T962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.279928][  T962]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.279930][  T962]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.279933][  T962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.279934][  T962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.279939][  T962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.279941][  T962]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.279944][  T962]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.279947][  T962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.279950][  T962]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.279957][  T962]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   38.279959][  T962]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   38.279963][  T962]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.279967][  T962]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.279970][  T962]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.279974][  T962]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.279978][  T962]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.279982][  T962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.279984][  T962]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   38.279989][  T962]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   38.279992][  T962]  ____sys_sendmsg (net/socket.c:2713)
[   38.279994][  T962]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.279997][  T962]  ? sock_write_iter (net/socket.c:1269)
[   38.279998][  T962]  ? move_addr_to_kernel (net/socket.c:258)
[   38.280006][  T962]  ___sys_sendmsg (net/socket.c:2767)
[   38.280009][  T962]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.280025][  T962]  __sys_sendmsg (net/socket.c:2799)
[   38.280028][  T962]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.280034][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.280037][  T962]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.280040][  T962]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.280044][  T962]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.280046][  T962] RIP: 0033:0x7f387542e54e
[   38.280050][  T962] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   38.280051][  T962] RSP: 002b:00007ffc7797aef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.280054][  T962] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f387542e54e
[   38.280056][  T962] RDX: 0000000000000000 RSI: 00007ffc7797afa0 RDI: 0000000000000005
[   38.280056][  T962] RBP: 00007ffc7797af00 R08: 0000000000000000 R09: 0000000000000000
[   38.280057][  T962] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179d4
[   38.280058][  T962] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7797b660
| [   40.056116][ T1012] softirqs last disabled at (22784): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   40.056118][ T1012] Preemption disabled at:
| [   40.056119][ T1012] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.056127][ T1012] Tainted: [W]=WARN
[   40.056128][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.056130][ T1012] Call Trace:
[   40.056131][ T1012]  <TASK>
[   40.056133][ T1012]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.056139][ T1012]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.056141][ T1012]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.056145][ T1012]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.056149][ T1012]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.056153][ T1012]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   40.056155][ T1012]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.056161][ T1012]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.056164][ T1012]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.056168][ T1012]  put_chars (drivers/char/virtio_console.c:1176)
[   40.056170][ T1012]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.056171][ T1012]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.056175][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.056178][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.056183][ T1012]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.056187][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.056192][ T1012]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.056195][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.056199][ T1012]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.056203][ T1012]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.056205][ T1012]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   40.056208][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.056210][ T1012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.056214][ T1012]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.056218][ T1012]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.056220][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.056225][ T1012]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.056228][ T1012]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.056230][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.056231][ T1012]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   40.056235][ T1012]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.056237][ T1012]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.056240][ T1012]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.056243][ T1012]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.056245][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.056247][ T1012]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.056251][ T1012]  _printk (kernel/printk/printk.c:2504)
[   40.056255][ T1012]  ? snapshot_read.cold (user.c:?)
[   40.056258][ T1012]  ? br_multicast_flood (??:?)
[   40.056261][ T1012]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   40.056263][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   40.056264][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.056268][ T1012]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   40.056272][ T1012]  br_init_port (net/bridge/br_stp_if.c:39)
[   40.056275][ T1012]  new_nbp (net/bridge/br_if.c:449)
[   40.056278][ T1012]  br_add_if (net/bridge/br_if.c:592)
[   40.056280][ T1012]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   40.056288][ T1012]  do_set_master (net/core/rtnetlink.c:3071)
[   40.056291][ T1012]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   40.056295][ T1012]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   40.056297][ T1012]  ? __dev_get_by_name (net/core/dev.c:905)
[   40.056299][ T1012]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   40.056308][ T1012]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   40.056314][ T1012]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.056320][ T1012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.056321][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.056328][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.056332][ T1012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.056334][ T1012]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.056337][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.056338][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.056343][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.056345][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.056348][ T1012]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.056352][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.056355][ T1012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.056361][ T1012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.056363][ T1012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.056367][ T1012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.056371][ T1012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.056377][ T1012]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.056380][ T1012]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.056384][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.056386][ T1012]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   40.056391][ T1012]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   40.056395][ T1012]  ____sys_sendmsg (net/socket.c:2713)
[   40.056397][ T1012]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.056400][ T1012]  ? sock_write_iter (net/socket.c:1269)
[   40.056401][ T1012]  ? move_addr_to_kernel (net/socket.c:258)
[   40.056406][ T1012]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   40.056408][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.056412][ T1012]  ___sys_sendmsg (net/socket.c:2767)
[   40.056414][ T1012]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   40.056416][ T1012]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.056419][ T1012]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   40.056434][ T1012]  __sys_sendmsg (net/socket.c:2799)
[   40.056437][ T1012]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.056442][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.056444][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.056447][ T1012]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.056450][ T1012]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.056453][ T1012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.056456][ T1012] RIP: 0033:0x7f1c3339f54e
[   40.056460][ T1012] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.056461][ T1012] RSP: 002b:00007ffdfa08c090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.056464][ T1012] RAX: ffffffffffffffda RBX: 00007ffdfa08c858 RCX: 00007f1c3339f54e
[   40.056465][ T1012] RDX: 0000000000000000 RSI: 00007ffdfa08c140 RDI: 0000000000000005
[   40.056466][ T1012] RBP: 00007ffdfa08c0a0 R08: 0000000000000000 R09: 0000000000000000
[   40.056467][ T1012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179d6
[   40.056468][ T1012] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfa08c810
| [   46.967804][   T12] softirqs last disabled at (590262): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   46.967807][   T12] Preemption disabled at:
| [   46.967807][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.967816][   T12] Tainted: [W]=WARN
[   46.967817][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.967819][   T12] Workqueue: netns cleanup_net
[   46.967822][   T12] Call Trace:
[   46.967824][   T12]  <TASK>
[   46.967825][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.967831][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.967833][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.967837][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.967841][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.967846][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   46.967848][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.967854][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.967857][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.967861][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   46.967863][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.967865][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.967868][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.967871][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.967876][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.967880][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.967889][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.967892][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.967897][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.967901][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.967903][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   46.967906][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.967908][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.967912][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.967917][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.967919][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.967924][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.967927][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.967929][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.967931][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   46.967934][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.967936][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.967939][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.967942][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.967944][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   46.967945][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   46.967947][   T12]  ? kthread (kernel/kthread.c:436)
[   46.967950][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   46.967953][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   46.967957][   T12]  _printk (kernel/printk/printk.c:2504)
[   46.967961][   T12]  ? snapshot_read.cold (user.c:?)
[   46.967965][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.967969][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.967973][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.967976][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   46.967980][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.967982][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   46.967985][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   46.967987][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   46.967989][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   46.967993][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   46.967997][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   46.968003][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   46.968007][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   46.968011][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   46.968014][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   46.968018][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   46.968020][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.968023][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   46.968027][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   46.968030][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   46.968034][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.968036][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.968040][   T12]  process_one_work (kernel/workqueue.c:3387)
[   46.968046][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   46.968049][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.968057][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   46.968064][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   46.968070][   T12]  kthread (kernel/kthread.c:436)
[   46.968072][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.968075][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   46.968078][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   46.968081][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   46.968084][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   46.968088][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   46.968091][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.094082][ T1160] softirqs last disabled at (22590): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   48.094084][ T1160] Preemption disabled at:
| [   48.094085][ T1160] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.094093][ T1160] Tainted: [W]=WARN
[   48.094094][ T1160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.094095][ T1160] Call Trace:
[   48.094097][ T1160]  <TASK>
[   48.094098][ T1160]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.094104][ T1160]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.094106][ T1160]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.094110][ T1160]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.094114][ T1160]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.094119][ T1160]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   48.094121][ T1160]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.094127][ T1160]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.094129][ T1160]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.094133][ T1160]  put_chars (drivers/char/virtio_console.c:1176)
[   48.094135][ T1160]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.094141][ T1160]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.094149][ T1160]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.094152][ T1160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.094156][ T1160]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.094160][ T1160]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.094162][ T1160]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   48.094165][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.094168][ T1160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.094171][ T1160]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.094176][ T1160]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.094177][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.094183][ T1160]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.094185][ T1160]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.094187][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.094189][ T1160]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   48.094192][ T1160]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.094194][ T1160]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.094197][ T1160]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.094200][ T1160]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.094202][ T1160]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   48.094207][ T1160]  _printk (kernel/printk/printk.c:2504)
[   48.094211][ T1160]  ? snapshot_read.cold (user.c:?)
[   48.094213][ T1160]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.094215][ T1160]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.094218][ T1160]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.094220][ T1160]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.094224][ T1160]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.094227][ T1160]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.094229][ T1160]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.094232][ T1160]  ? netdev_notice (net/core/dev.c:13194)
[   48.094234][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.094237][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.094240][ T1160]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.094243][ T1160]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.094245][ T1160]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   48.094247][ T1160]  ? register_netdev (net/core/dev.c:11618)
[   48.094248][ T1160]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   48.094253][ T1160]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   48.094256][ T1160]  ? __kernel_text_address (kernel/extable.c:79)
[   48.094258][ T1160]  ? write_profile (profile.c:?)
[   48.094262][ T1160]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   48.094268][ T1160]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.094271][ T1160]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.094273][ T1160]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.094274][ T1160]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.094276][ T1160]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.094279][ T1160]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.094281][ T1160]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.094283][ T1160]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.094285][ T1160]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.094287][ T1160]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.094288][ T1160]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.094289][ T1160]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   48.094291][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.094293][ T1160]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   48.094296][ T1160]  ? ___sys_sendmsg (net/socket.c:2758)
[   48.094300][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.094302][ T1160]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.094304][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.094306][ T1160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.094307][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.094308][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.094310][ T1160]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.094312][ T1160]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   48.094314][ T1160]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.094316][ T1160]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.094319][ T1160]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.094320][ T1160]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.094325][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.094327][ T1160]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.094332][ T1160]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.094338][ T1160]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.094339][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.094344][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.094346][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.094347][ T1160]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.094349][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.094353][ T1160]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.094355][ T1160]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.094358][ T1160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.094359][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.094363][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.094365][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.094369][ T1160]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.094372][ T1160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.094375][ T1160]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.094381][ T1160]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.094383][ T1160]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.094387][ T1160]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.094391][ T1160]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.094393][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.094397][ T1160]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.094401][ T1160]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.094405][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.094406][ T1160]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   48.094411][ T1160]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   48.094414][ T1160]  ____sys_sendmsg (net/socket.c:2713)
[   48.094416][ T1160]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.094419][ T1160]  ? sock_write_iter (net/socket.c:1269)
[   48.094420][ T1160]  ? move_addr_to_kernel (net/socket.c:258)
[   48.094427][ T1160]  ___sys_sendmsg (net/socket.c:2767)
[   48.094430][ T1160]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.094445][ T1160]  __sys_sendmsg (net/socket.c:2799)
[   48.094448][ T1160]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.094454][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.094457][ T1160]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.094460][ T1160]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.094463][ T1160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.094465][ T1160] RIP: 0033:0x7fc8af0dd54e
[   48.094469][ T1160] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.094470][ T1160] RSP: 002b:00007fff5fa15b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.094473][ T1160] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc8af0dd54e
[   48.094474][ T1160] RDX: 0000000000000000 RSI: 00007fff5fa15bb0 RDI: 0000000000000005
[   48.094475][ T1160] RBP: 00007fff5fa15b10 R08: 0000000000000000 R09: 0000000000000000
[   48.094476][ T1160] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179de
[   48.094477][ T1160] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5fa16270
| [   49.920527][ T1235] softirqs last disabled at (18240): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   49.920529][ T1235] Preemption disabled at:
| [   49.920530][ T1235] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.920538][ T1235] Tainted: [W]=WARN
[   49.920539][ T1235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.920541][ T1235] Call Trace:
[   49.920542][ T1235]  <TASK>
[   49.920543][ T1235]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.920550][ T1235]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.920551][ T1235]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.920556][ T1235]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.920560][ T1235]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   49.920564][ T1235]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   49.920566][ T1235]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.920572][ T1235]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   49.920575][ T1235]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.920579][ T1235]  put_chars (drivers/char/virtio_console.c:1176)
[   49.920582][ T1235]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.920583][ T1235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.920586][ T1235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.920589][ T1235]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.920594][ T1235]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.920598][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.920603][ T1235]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.920606][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.920610][ T1235]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.920615][ T1235]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.920616][ T1235]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   49.920620][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.920621][ T1235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.920625][ T1235]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.920630][ T1235]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.920632][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.920637][ T1235]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.920640][ T1235]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.920642][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.920644][ T1235]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   49.920648][ T1235]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.920650][ T1235]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.920653][ T1235]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.920656][ T1235]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.920658][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.920661][ T1235]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.920665][ T1235]  _printk (kernel/printk/printk.c:2504)
[   49.920669][ T1235]  ? snapshot_read.cold (user.c:?)
[   49.920672][ T1235]  ? br_multicast_flood (??:?)
[   49.920676][ T1235]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   49.920677][ T1235]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   49.920679][ T1235]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.920683][ T1235]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   49.920688][ T1235]  br_init_port (net/bridge/br_stp_if.c:39)
[   49.920691][ T1235]  new_nbp (net/bridge/br_if.c:449)
[   49.920695][ T1235]  br_add_if (net/bridge/br_if.c:592)
[   49.920698][ T1235]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   49.920706][ T1235]  do_set_master (net/core/rtnetlink.c:3071)
[   49.920710][ T1235]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   49.920714][ T1235]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   49.920716][ T1235]  ? __dev_get_by_name (net/core/dev.c:905)
[   49.920718][ T1235]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   49.920729][ T1235]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   49.920736][ T1235]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.920743][ T1235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.920745][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.920753][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.920757][ T1235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.920759][ T1235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.920762][ T1235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.920764][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.920768][ T1235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.920771][ T1235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.920775][ T1235]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.920778][ T1235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.920781][ T1235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.920788][ T1235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   49.920790][ T1235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   49.920795][ T1235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.920800][ T1235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.920806][ T1235]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.920811][ T1235]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.920815][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.920817][ T1235]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   49.920823][ T1235]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   49.920827][ T1235]  ____sys_sendmsg (net/socket.c:2713)
[   49.920829][ T1235]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.920832][ T1235]  ? sock_write_iter (net/socket.c:1269)
[   49.920834][ T1235]  ? move_addr_to_kernel (net/socket.c:258)
[   49.920839][ T1235]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   49.920842][ T1235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.920846][ T1235]  ___sys_sendmsg (net/socket.c:2767)
[   49.920848][ T1235]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   49.920850][ T1235]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.920853][ T1235]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   49.920870][ T1235]  __sys_sendmsg (net/socket.c:2799)
[   49.920873][ T1235]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.920879][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.920881][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.920884][ T1235]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.920888][ T1235]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.920891][ T1235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.920893][ T1235] RIP: 0033:0x7f169d1cf54e
[   49.920897][ T1235] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   49.920898][ T1235] RSP: 002b:00007ffc47b3abd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.920901][ T1235] RAX: ffffffffffffffda RBX: 00007ffc47b3b398 RCX: 00007f169d1cf54e
[   49.920906][ T1235] RDX: 0000000000000000 RSI: 00007ffc47b3ac80 RDI: 0000000000000005
[   49.920907][ T1235] RBP: 00007ffc47b3abe0 R08: 0000000000000000 R09: 0000000000000000
[   49.920908][ T1235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179e0
[   49.920909][ T1235] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc47b3b350
| [   51.059081][ T1274] softirqs last disabled at (17420): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   51.059084][ T1274] Preemption disabled at:
| [   51.059084][ T1274] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.059093][ T1274] Tainted: [W]=WARN
[   51.059094][ T1274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.059096][ T1274] Call Trace:
[   51.059097][ T1274]  <TASK>
[   51.059099][ T1274]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.059105][ T1274]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.059107][ T1274]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.059111][ T1274]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.059115][ T1274]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.059120][ T1274]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   51.059122][ T1274]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.059128][ T1274]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.059131][ T1274]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.059135][ T1274]  put_chars (drivers/char/virtio_console.c:1176)
[   51.059138][ T1274]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.059144][ T1274]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.059152][ T1274]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.059155][ T1274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.059160][ T1274]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.059164][ T1274]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.059165][ T1274]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   51.059169][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.059171][ T1274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.059175][ T1274]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.059180][ T1274]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.059182][ T1274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.059187][ T1274]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.059190][ T1274]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.059192][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.059193][ T1274]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   51.059197][ T1274]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.059199][ T1274]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.059202][ T1274]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.059205][ T1274]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.059207][ T1274]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   51.059213][ T1274]  _printk (kernel/printk/printk.c:2504)
[   51.059217][ T1274]  ? snapshot_read.cold (user.c:?)
[   51.059218][ T1274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.059221][ T1274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.059224][ T1274]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.059226][ T1274]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   51.059230][ T1274]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   51.059233][ T1274]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.059235][ T1274]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.059238][ T1274]  ? netdev_notice (net/core/dev.c:13194)
[   51.059240][ T1274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.059244][ T1274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.059246][ T1274]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.059250][ T1274]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.059252][ T1274]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   51.059254][ T1274]  ? register_netdev (net/core/dev.c:11618)
[   51.059255][ T1274]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   51.059260][ T1274]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   51.059263][ T1274]  ? __kernel_text_address (kernel/extable.c:79)
[   51.059266][ T1274]  ? write_profile (profile.c:?)
[   51.059270][ T1274]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.059276][ T1274]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.059279][ T1274]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.059281][ T1274]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.059283][ T1274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.059285][ T1274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.059288][ T1274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.059290][ T1274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.059292][ T1274]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.059294][ T1274]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.059296][ T1274]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.059297][ T1274]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.059299][ T1274]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   51.059301][ T1274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.059303][ T1274]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   51.059306][ T1274]  ? ___sys_sendmsg (net/socket.c:2758)
[   51.059310][ T1274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.059312][ T1274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.059315][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.059316][ T1274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.059318][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.059319][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.059321][ T1274]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.059323][ T1274]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   51.059325][ T1274]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.059327][ T1274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.059330][ T1274]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.059331][ T1274]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.059336][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.059339][ T1274]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.059344][ T1274]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.059349][ T1274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.059351][ T1274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.059356][ T1274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.059358][ T1274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.059359][ T1274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.059361][ T1274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.059365][ T1274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.059367][ T1274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.059370][ T1274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.059372][ T1274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.059376][ T1274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.059378][ T1274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.059382][ T1274]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.059385][ T1274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.059388][ T1274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.059394][ T1274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.059396][ T1274]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.059401][ T1274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.059405][ T1274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.059407][ T1274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.059412][ T1274]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.059416][ T1274]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.059419][ T1274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.059421][ T1274]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   51.059426][ T1274]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   51.059429][ T1274]  ____sys_sendmsg (net/socket.c:2713)
[   51.059432][ T1274]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.059434][ T1274]  ? sock_write_iter (net/socket.c:1269)
[   51.059436][ T1274]  ? move_addr_to_kernel (net/socket.c:258)
[   51.059443][ T1274]  ___sys_sendmsg (net/socket.c:2767)
[   51.059446][ T1274]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.059462][ T1274]  __sys_sendmsg (net/socket.c:2799)
[   51.059465][ T1274]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.059471][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.059474][ T1274]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.059477][ T1274]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.059480][ T1274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.059482][ T1274] RIP: 0033:0x7fce654d754e
[   51.059486][ T1274] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.059488][ T1274] RSP: 002b:00007fff0e8b9de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.059490][ T1274] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fce654d754e
[   51.059492][ T1274] RDX: 0000000000000000 RSI: 00007fff0e8b9e90 RDI: 0000000000000005
[   51.059493][ T1274] RBP: 00007fff0e8b9df0 R08: 0000000000000000 R09: 0000000000000000
[   51.059493][ T1274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179e1
[   51.059494][ T1274] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0e8ba550
| [   52.848184][ T1324] softirqs last disabled at (27556): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   52.848186][ T1324] Preemption disabled at:
| [   52.848187][ T1324] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.848195][ T1324] Tainted: [W]=WARN
[   52.848196][ T1324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.848198][ T1324] Call Trace:
[   52.848199][ T1324]  <TASK>
[   52.848201][ T1324]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.848207][ T1324]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.848209][ T1324]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.848214][ T1324]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.848218][ T1324]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.848222][ T1324]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.848224][ T1324]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.848231][ T1324]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.848234][ T1324]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.848238][ T1324]  put_chars (drivers/char/virtio_console.c:1176)
[   52.848240][ T1324]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.848241][ T1324]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.848245][ T1324]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.848248][ T1324]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.848253][ T1324]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.848257][ T1324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.848262][ T1324]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.848265][ T1324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.848270][ T1324]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.848274][ T1324]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.848276][ T1324]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   52.848279][ T1324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.848281][ T1324]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.848285][ T1324]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.848290][ T1324]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.848292][ T1324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.848297][ T1324]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.848300][ T1324]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.848302][ T1324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.848304][ T1324]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   52.848308][ T1324]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.848310][ T1324]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.848312][ T1324]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.848316][ T1324]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.848317][ T1324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.848320][ T1324]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.848324][ T1324]  _printk (kernel/printk/printk.c:2504)
[   52.848328][ T1324]  ? snapshot_read.cold (user.c:?)
[   52.848331][ T1324]  ? br_multicast_flood (??:?)
[   52.848334][ T1324]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   52.848336][ T1324]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   52.848337][ T1324]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.848341][ T1324]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   52.848346][ T1324]  br_init_port (net/bridge/br_stp_if.c:39)
[   52.848348][ T1324]  new_nbp (net/bridge/br_if.c:449)
[   52.848352][ T1324]  br_add_if (net/bridge/br_if.c:592)
[   52.848354][ T1324]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   52.848362][ T1324]  do_set_master (net/core/rtnetlink.c:3071)
[   52.848366][ T1324]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   52.848370][ T1324]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   52.848372][ T1324]  ? __dev_get_by_name (net/core/dev.c:905)
[   52.848374][ T1324]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   52.848384][ T1324]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   52.848391][ T1324]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.848396][ T1324]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.848398][ T1324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.848405][ T1324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.848409][ T1324]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.848411][ T1324]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.848415][ T1324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.848416][ T1324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.848421][ T1324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.848423][ T1324]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.848427][ T1324]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.848430][ T1324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.848433][ T1324]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.848440][ T1324]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.848442][ T1324]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.848447][ T1324]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.848451][ T1324]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.848457][ T1324]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.848461][ T1324]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.848465][ T1324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.848467][ T1324]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   52.848473][ T1324]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   52.848477][ T1324]  ____sys_sendmsg (net/socket.c:2713)
[   52.848479][ T1324]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.848481][ T1324]  ? sock_write_iter (net/socket.c:1269)
[   52.848483][ T1324]  ? move_addr_to_kernel (net/socket.c:258)
[   52.848488][ T1324]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   52.848490][ T1324]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.848494][ T1324]  ___sys_sendmsg (net/socket.c:2767)
[   52.848496][ T1324]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   52.848499][ T1324]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.848501][ T1324]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   52.848517][ T1324]  __sys_sendmsg (net/socket.c:2799)
[   52.848520][ T1324]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.848526][ T1324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.848528][ T1324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.848531][ T1324]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.848535][ T1324]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.848538][ T1324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.848540][ T1324] RIP: 0033:0x7fcf474af54e
[   52.848544][ T1324] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.848545][ T1324] RSP: 002b:00007ffe4be37220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.848548][ T1324] RAX: ffffffffffffffda RBX: 00007ffe4be379e8 RCX: 00007fcf474af54e
[   52.848550][ T1324] RDX: 0000000000000000 RSI: 00007ffe4be372d0 RDI: 0000000000000005
[   52.848550][ T1324] RBP: 00007ffe4be37230 R08: 0000000000000000 R09: 0000000000000000
[   52.848551][ T1324] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179e3
[   52.848552][ T1324] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4be379a0
| [   59.810915][   T12] softirqs last disabled at (865106): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   59.810918][   T12] Preemption disabled at:
| [   59.810918][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.810927][   T12] Tainted: [W]=WARN
[   59.810928][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.810930][   T12] Workqueue: netns cleanup_net
[   59.810933][   T12] Call Trace:
[   59.810934][   T12]  <TASK>
[   59.810937][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.810943][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.810945][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.810949][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.810953][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   59.810958][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   59.810960][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.810973][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.810976][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.810979][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   59.810982][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.810983][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.810987][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.810990][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.810995][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.810999][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.811004][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.811007][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.811012][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.811016][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.811017][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   59.811021][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.811022][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.811027][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.811031][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.811033][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.811038][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.811041][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.811043][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.811045][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   59.811048][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.811050][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.811053][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.811056][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.811057][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   59.811059][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   59.811061][   T12]  ? kthread (kernel/kthread.c:436)
[   59.811063][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   59.811070][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   59.811075][   T12]  _printk (kernel/printk/printk.c:2504)
[   59.811079][   T12]  ? snapshot_read.cold (user.c:?)
[   59.811084][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.811088][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.811092][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.811095][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   59.811100][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.811102][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   59.811105][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   59.811107][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   59.811109][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   59.811114][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   59.811118][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   59.811124][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   59.811128][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   59.811131][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   59.811135][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   59.811139][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   59.811140][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.811143][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   59.811148][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   59.811151][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   59.811155][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.811157][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.811160][   T12]  process_one_work (kernel/workqueue.c:3387)
[   59.811167][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   59.811170][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.811177][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   59.811185][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   59.811187][   T12]  kthread (kernel/kthread.c:436)
[   59.811188][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   59.811192][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   59.811195][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   59.811197][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   59.811201][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   59.811204][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   59.811207][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   60.938943][ T1472] softirqs last disabled at (16156): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   60.938946][ T1472] Preemption disabled at:
| [   60.938946][ T1472] vprintk_emit (kernel/printk/printk.c:2471)
| [   60.938954][ T1472] Tainted: [W]=WARN
[   60.938955][ T1472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.938957][ T1472] Call Trace:
[   60.938958][ T1472]  <TASK>
[   60.938960][ T1472]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.938966][ T1472]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   60.938967][ T1472]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.938975][ T1472]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.938979][ T1472]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   60.938983][ T1472]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   60.938985][ T1472]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.938992][ T1472]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.938994][ T1472]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.938998][ T1472]  put_chars (drivers/char/virtio_console.c:1176)
[   60.939000][ T1472]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.939006][ T1472]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.939014][ T1472]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.939017][ T1472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.939021][ T1472]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.939025][ T1472]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.939027][ T1472]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   60.939030][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.939033][ T1472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.939037][ T1472]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.939041][ T1472]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.939043][ T1472]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.939048][ T1472]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.939051][ T1472]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.939053][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.939054][ T1472]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   60.939058][ T1472]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.939060][ T1472]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.939062][ T1472]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.939065][ T1472]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.939071][ T1472]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   60.939076][ T1472]  _printk (kernel/printk/printk.c:2504)
[   60.939079][ T1472]  ? snapshot_read.cold (user.c:?)
[   60.939081][ T1472]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.939084][ T1472]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.939086][ T1472]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.939088][ T1472]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   60.939092][ T1472]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   60.939095][ T1472]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.939097][ T1472]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   60.939100][ T1472]  ? netdev_notice (net/core/dev.c:13194)
[   60.939103][ T1472]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.939106][ T1472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.939108][ T1472]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   60.939112][ T1472]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.939113][ T1472]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   60.939116][ T1472]  ? register_netdev (net/core/dev.c:11618)
[   60.939117][ T1472]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   60.939122][ T1472]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   60.939125][ T1472]  ? __kernel_text_address (kernel/extable.c:79)
[   60.939127][ T1472]  ? write_profile (profile.c:?)
[   60.939131][ T1472]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   60.939137][ T1472]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.939140][ T1472]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   60.939142][ T1472]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   60.939143][ T1472]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   60.939145][ T1472]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.939148][ T1472]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.939150][ T1472]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.939152][ T1472]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.939154][ T1472]  ? kasan_save_stack (mm/kasan/common.c:58)
[   60.939156][ T1472]  ? kasan_save_stack (mm/kasan/common.c:57)
[   60.939157][ T1472]  ? kasan_save_track (mm/kasan/common.c:78)
[   60.939158][ T1472]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   60.939161][ T1472]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.939162][ T1472]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   60.939165][ T1472]  ? ___sys_sendmsg (net/socket.c:2758)
[   60.939169][ T1472]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.939171][ T1472]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.939173][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.939175][ T1472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.939176][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.939178][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.939179][ T1472]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   60.939181][ T1472]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   60.939183][ T1472]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   60.939185][ T1472]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.939188][ T1472]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   60.939189][ T1472]  ? nla_get_range_signed (lib/nlattr.c:270)
[   60.939194][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.939196][ T1472]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   60.939201][ T1472]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   60.939206][ T1472]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.939208][ T1472]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.939213][ T1472]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.939215][ T1472]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.939217][ T1472]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.939218][ T1472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.939222][ T1472]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.939224][ T1472]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   60.939227][ T1472]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.939228][ T1472]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.939233][ T1472]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.939234][ T1472]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.939238][ T1472]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   60.939241][ T1472]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.939243][ T1472]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.939250][ T1472]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   60.939252][ T1472]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   60.939256][ T1472]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.939260][ T1472]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.939262][ T1472]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.939266][ T1472]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   60.939270][ T1472]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   60.939274][ T1472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.939276][ T1472]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   60.939281][ T1472]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   60.939284][ T1472]  ____sys_sendmsg (net/socket.c:2713)
[   60.939286][ T1472]  ? copy_msghdr_from_user (net/socket.c:2650)
[   60.939288][ T1472]  ? sock_write_iter (net/socket.c:1269)
[   60.939290][ T1472]  ? move_addr_to_kernel (net/socket.c:258)
[   60.939297][ T1472]  ___sys_sendmsg (net/socket.c:2767)
[   60.939300][ T1472]  ? copy_msghdr_from_user (net/socket.c:2619)
[   60.939315][ T1472]  __sys_sendmsg (net/socket.c:2799)
[   60.939318][ T1472]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   60.939324][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.939327][ T1472]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   60.939330][ T1472]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   60.939332][ T1472]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.939335][ T1472] RIP: 0033:0x7f436150c54e
[   60.939338][ T1472] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   60.939340][ T1472] RSP: 002b:00007ffdb4515bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.939342][ T1472] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f436150c54e
[   60.939344][ T1472] RDX: 0000000000000000 RSI: 00007ffdb4515c80 RDI: 0000000000000005
[   60.939345][ T1472] RBP: 00007ffdb4515be0 R08: 0000000000000000 R09: 0000000000000000
[   60.939345][ T1472] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179eb
[   60.939346][ T1472] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb4516340
| [   62.779593][ T1546] softirqs last disabled at (28170): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   62.779595][ T1546] Preemption disabled at:
| [   62.779595][ T1546] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.779604][ T1546] Tainted: [W]=WARN
[   62.779604][ T1546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.779606][ T1546] Call Trace:
[   62.779607][ T1546]  <TASK>
[   62.779609][ T1546]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.779615][ T1546]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.779616][ T1546]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.779621][ T1546]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.779625][ T1546]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   62.779629][ T1546]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   62.779631][ T1546]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.779637][ T1546]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   62.779640][ T1546]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.779643][ T1546]  put_chars (drivers/char/virtio_console.c:1176)
[   62.779646][ T1546]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.779647][ T1546]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   62.779651][ T1546]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.779654][ T1546]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   62.779659][ T1546]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.779663][ T1546]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.779668][ T1546]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.779671][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.779676][ T1546]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.779680][ T1546]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.779682][ T1546]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   62.779685][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.779687][ T1546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.779691][ T1546]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.779695][ T1546]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.779697][ T1546]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.779702][ T1546]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.779705][ T1546]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.779707][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.779708][ T1546]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   62.779712][ T1546]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.779713][ T1546]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.779716][ T1546]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.779719][ T1546]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.779721][ T1546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.779724][ T1546]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   62.779727][ T1546]  _printk (kernel/printk/printk.c:2504)
[   62.779731][ T1546]  ? snapshot_read.cold (user.c:?)
[   62.779734][ T1546]  ? br_multicast_flood (??:?)
[   62.779737][ T1546]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   62.779738][ T1546]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   62.779740][ T1546]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.779744][ T1546]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   62.779748][ T1546]  br_init_port (net/bridge/br_stp_if.c:39)
[   62.779750][ T1546]  new_nbp (net/bridge/br_if.c:449)
[   62.779754][ T1546]  br_add_if (net/bridge/br_if.c:592)
[   62.779756][ T1546]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   62.779764][ T1546]  do_set_master (net/core/rtnetlink.c:3071)
[   62.779767][ T1546]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   62.779771][ T1546]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   62.779772][ T1546]  ? __dev_get_by_name (net/core/dev.c:905)
[   62.779774][ T1546]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   62.779783][ T1546]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   62.779790][ T1546]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.779795][ T1546]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.779797][ T1546]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.779804][ T1546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.779807][ T1546]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.779809][ T1546]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.779813][ T1546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.779814][ T1546]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.779818][ T1546]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.779820][ T1546]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.779824][ T1546]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.779827][ T1546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.779829][ T1546]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.779836][ T1546]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   62.779838][ T1546]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   62.779842][ T1546]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.779846][ T1546]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.779851][ T1546]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.779855][ T1546]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.779859][ T1546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.779861][ T1546]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   62.779866][ T1546]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   62.779870][ T1546]  ____sys_sendmsg (net/socket.c:2713)
[   62.779872][ T1546]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.779874][ T1546]  ? sock_write_iter (net/socket.c:1269)
[   62.779876][ T1546]  ? move_addr_to_kernel (net/socket.c:258)
[   62.779880][ T1546]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   62.779883][ T1546]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.779887][ T1546]  ___sys_sendmsg (net/socket.c:2767)
[   62.779888][ T1546]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   62.779891][ T1546]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.779893][ T1546]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   62.779908][ T1546]  __sys_sendmsg (net/socket.c:2799)
[   62.779911][ T1546]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.779916][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.779918][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.779921][ T1546]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.779925][ T1546]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.779927][ T1546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.779930][ T1546] RIP: 0033:0x7fd762f2b54e
[   62.779933][ T1546] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   62.779935][ T1546] RSP: 002b:00007fff8f2db110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.779938][ T1546] RAX: ffffffffffffffda RBX: 00007fff8f2db8d8 RCX: 00007fd762f2b54e
[   62.779939][ T1546] RDX: 0000000000000000 RSI: 00007fff8f2db1c0 RDI: 0000000000000005
[   62.779940][ T1546] RBP: 00007fff8f2db120 R08: 0000000000000000 R09: 0000000000000000
[   62.779941][ T1546] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179ed
[   62.779941][ T1546] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8f2db890
| [   63.917164][ T1584] softirqs last disabled at (36694): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   63.917167][ T1584] Preemption disabled at:
| [   63.917167][ T1584] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.917175][ T1584] Tainted: [W]=WARN
[   63.917176][ T1584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.917178][ T1584] Call Trace:
[   63.917179][ T1584]  <TASK>
[   63.917181][ T1584]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.917187][ T1584]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.917188][ T1584]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.917193][ T1584]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.917197][ T1584]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   63.917201][ T1584]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   63.917203][ T1584]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.917210][ T1584]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.917212][ T1584]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.917216][ T1584]  put_chars (drivers/char/virtio_console.c:1176)
[   63.917219][ T1584]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.917225][ T1584]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.917232][ T1584]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.917236][ T1584]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.917240][ T1584]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.917244][ T1584]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.917246][ T1584]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   63.917249][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.917251][ T1584]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.917255][ T1584]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.917259][ T1584]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.917261][ T1584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.917267][ T1584]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.917269][ T1584]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.917271][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.917273][ T1584]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   63.917277][ T1584]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.917278][ T1584]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.917281][ T1584]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.917284][ T1584]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.917287][ T1584]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   63.917292][ T1584]  _printk (kernel/printk/printk.c:2504)
[   63.917295][ T1584]  ? snapshot_read.cold (user.c:?)
[   63.917297][ T1584]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.917300][ T1584]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.917303][ T1584]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.917305][ T1584]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   63.917309][ T1584]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   63.917312][ T1584]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.917314][ T1584]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   63.917317][ T1584]  ? netdev_notice (net/core/dev.c:13194)
[   63.917319][ T1584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.917322][ T1584]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.917325][ T1584]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   63.917328][ T1584]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.917330][ T1584]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   63.917332][ T1584]  ? register_netdev (net/core/dev.c:11618)
[   63.917334][ T1584]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   63.917339][ T1584]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   63.917342][ T1584]  ? __kernel_text_address (kernel/extable.c:79)
[   63.917344][ T1584]  ? write_profile (profile.c:?)
[   63.917348][ T1584]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   63.917354][ T1584]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.917357][ T1584]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   63.917359][ T1584]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   63.917360][ T1584]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.917362][ T1584]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.917365][ T1584]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.917367][ T1584]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.917369][ T1584]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.917372][ T1584]  ? kasan_save_stack (mm/kasan/common.c:58)
[   63.917373][ T1584]  ? kasan_save_stack (mm/kasan/common.c:57)
[   63.917375][ T1584]  ? kasan_save_track (mm/kasan/common.c:78)
[   63.917376][ T1584]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   63.917378][ T1584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.917380][ T1584]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   63.917383][ T1584]  ? ___sys_sendmsg (net/socket.c:2758)
[   63.917386][ T1584]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.917389][ T1584]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.917391][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.917393][ T1584]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.917394][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.917395][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.917397][ T1584]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   63.917399][ T1584]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   63.917401][ T1584]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   63.917402][ T1584]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.917406][ T1584]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   63.917407][ T1584]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.917412][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.917414][ T1584]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   63.917419][ T1584]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.917425][ T1584]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.917426][ T1584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.917431][ T1584]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.917433][ T1584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.917435][ T1584]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.917437][ T1584]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.917440][ T1584]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.917442][ T1584]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.917445][ T1584]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.917447][ T1584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.917451][ T1584]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.917453][ T1584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.917456][ T1584]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.917459][ T1584]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.917462][ T1584]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.917468][ T1584]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.917470][ T1584]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.917475][ T1584]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.917479][ T1584]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.917481][ T1584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.917485][ T1584]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.917489][ T1584]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   63.917493][ T1584]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.917495][ T1584]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   63.917500][ T1584]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   63.917503][ T1584]  ____sys_sendmsg (net/socket.c:2713)
[   63.917505][ T1584]  ? copy_msghdr_from_user (net/socket.c:2650)
[   63.917507][ T1584]  ? sock_write_iter (net/socket.c:1269)
[   63.917509][ T1584]  ? move_addr_to_kernel (net/socket.c:258)
[   63.917516][ T1584]  ___sys_sendmsg (net/socket.c:2767)
[   63.917519][ T1584]  ? copy_msghdr_from_user (net/socket.c:2619)
[   63.917534][ T1584]  __sys_sendmsg (net/socket.c:2799)
[   63.917537][ T1584]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   63.917543][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.917546][ T1584]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.917549][ T1584]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   63.917552][ T1584]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.917554][ T1584] RIP: 0033:0x7f05de20254e
[   63.917558][ T1584] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.917560][ T1584] RSP: 002b:00007ffc1d1d4590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.917563][ T1584] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f05de20254e
[   63.917564][ T1584] RDX: 0000000000000000 RSI: 00007ffc1d1d4640 RDI: 0000000000000005
[   63.917565][ T1584] RBP: 00007ffc1d1d45a0 R08: 0000000000000000 R09: 0000000000000000
[   63.917566][ T1584] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179ee
[   63.917566][ T1584] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1d1d4d00
| [   65.655947][ T1642] softirqs last disabled at (24866): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   65.655949][ T1642] Preemption disabled at:
| [   65.655949][ T1642] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.655958][ T1642] Tainted: [W]=WARN
[   65.655958][ T1642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.655960][ T1642] Call Trace:
[   65.655962][ T1642]  <TASK>
[   65.655963][ T1642]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.655969][ T1642]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.655971][ T1642]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.655975][ T1642]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.655979][ T1642]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   65.655984][ T1642]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   65.655986][ T1642]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.655992][ T1642]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.655995][ T1642]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.656003][ T1642]  put_chars (drivers/char/virtio_console.c:1176)
[   65.656006][ T1642]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.656007][ T1642]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.656011][ T1642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.656014][ T1642]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.656019][ T1642]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.656023][ T1642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.656028][ T1642]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.656031][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.656035][ T1642]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.656039][ T1642]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.656042][ T1642]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   65.656045][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.656046][ T1642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.656050][ T1642]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.656054][ T1642]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.656056][ T1642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.656061][ T1642]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.656064][ T1642]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.656066][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.656069][ T1642]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   65.656073][ T1642]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.656075][ T1642]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.656078][ T1642]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.656081][ T1642]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.656083][ T1642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.656085][ T1642]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   65.656089][ T1642]  _printk (kernel/printk/printk.c:2504)
[   65.656092][ T1642]  ? snapshot_read.cold (user.c:?)
[   65.656096][ T1642]  ? br_multicast_flood (??:?)
[   65.656099][ T1642]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   65.656100][ T1642]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   65.656102][ T1642]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.656106][ T1642]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   65.656110][ T1642]  br_init_port (net/bridge/br_stp_if.c:39)
[   65.656113][ T1642]  new_nbp (net/bridge/br_if.c:449)
[   65.656116][ T1642]  br_add_if (net/bridge/br_if.c:592)
[   65.656118][ T1642]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   65.656126][ T1642]  do_set_master (net/core/rtnetlink.c:3071)
[   65.656130][ T1642]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   65.656133][ T1642]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   65.656135][ T1642]  ? __dev_get_by_name (net/core/dev.c:905)
[   65.656137][ T1642]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   65.656146][ T1642]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   65.656152][ T1642]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.656158][ T1642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.656160][ T1642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.656166][ T1642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.656170][ T1642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.656172][ T1642]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.656175][ T1642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.656176][ T1642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.656181][ T1642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.656183][ T1642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.656187][ T1642]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.656190][ T1642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.656193][ T1642]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.656199][ T1642]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.656201][ T1642]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.656205][ T1642]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.656209][ T1642]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.656215][ T1642]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.656219][ T1642]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.656223][ T1642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.656224][ T1642]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   65.656230][ T1642]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   65.656233][ T1642]  ____sys_sendmsg (net/socket.c:2713)
[   65.656236][ T1642]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.656238][ T1642]  ? sock_write_iter (net/socket.c:1269)
[   65.656240][ T1642]  ? move_addr_to_kernel (net/socket.c:258)
[   65.656244][ T1642]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   65.656247][ T1642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.656251][ T1642]  ___sys_sendmsg (net/socket.c:2767)
[   65.656252][ T1642]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   65.656255][ T1642]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.656257][ T1642]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   65.656272][ T1642]  __sys_sendmsg (net/socket.c:2799)
[   65.656275][ T1642]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.656280][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.656282][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.656285][ T1642]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.656289][ T1642]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.656292][ T1642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.656294][ T1642] RIP: 0033:0x7f110510b54e
[   65.656297][ T1642] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.656299][ T1642] RSP: 002b:00007ffd86022d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.656302][ T1642] RAX: ffffffffffffffda RBX: 00007ffd86023528 RCX: 00007f110510b54e
[   65.656303][ T1642] RDX: 0000000000000000 RSI: 00007ffd86022e10 RDI: 0000000000000005
[   65.656304][ T1642] RBP: 00007ffd86022d70 R08: 0000000000000000 R09: 0000000000000000
[   65.656305][ T1642] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179f0
[   65.656305][ T1642] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd860234e0
| [   72.580293][   T12] softirqs last disabled at (1118164): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   72.580296][   T12] Preemption disabled at:
| [   72.580296][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.580305][   T12] Tainted: [W]=WARN
[   72.580306][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.580307][   T12] Workqueue: netns cleanup_net
[   72.580311][   T12] Call Trace:
[   72.580312][   T12]  <TASK>
[   72.580314][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.580320][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.580322][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.580326][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.580330][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   72.580335][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   72.580337][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.580343][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   72.580346][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.580350][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   72.580352][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.580354][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.580357][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.580360][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.580365][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.580370][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.580375][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.580378][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.580383][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.580388][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.580389][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   72.580393][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.580395][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.580399][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.580403][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.580405][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.580411][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.580414][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.580415][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.580417][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   72.580421][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.580423][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.580426][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.580429][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.580430][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   72.580432][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   72.580434][   T12]  ? kthread (kernel/kthread.c:436)
[   72.580436][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   72.580439][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   72.580444][   T12]  _printk (kernel/printk/printk.c:2504)
[   72.580448][   T12]  ? snapshot_read.cold (user.c:?)
[   72.580452][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   72.580456][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   72.580460][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   72.580463][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   72.580468][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.580469][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   72.580472][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   72.580474][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   72.580476][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   72.580481][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   72.580485][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   72.580491][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   72.580495][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   72.580498][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   72.580502][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   72.580506][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   72.580507][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.580511][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   72.580515][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   72.580519][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   72.580522][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.580524][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.580528][   T12]  process_one_work (kernel/workqueue.c:3387)
[   72.580535][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   72.580538][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.580546][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   72.580553][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   72.580555][   T12]  kthread (kernel/kthread.c:436)
[   72.580557][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   72.580560][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   72.580563][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   72.580566][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   72.580569][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   72.580573][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   72.580576][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   73.695668][ T1790] softirqs last disabled at (25810): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   73.695671][ T1790] Preemption disabled at:
| [   73.695671][ T1790] vprintk_emit (kernel/printk/printk.c:2471)
| [   73.695680][ T1790] Tainted: [W]=WARN
[   73.695681][ T1790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.695683][ T1790] Call Trace:
[   73.695684][ T1790]  <TASK>
[   73.695685][ T1790]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.695692][ T1790]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   73.695693][ T1790]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.695698][ T1790]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.695702][ T1790]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   73.695706][ T1790]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   73.695708][ T1790]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.695715][ T1790]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.695718][ T1790]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.695721][ T1790]  put_chars (drivers/char/virtio_console.c:1176)
[   73.695724][ T1790]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.695730][ T1790]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.695738][ T1790]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.695741][ T1790]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.695746][ T1790]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.695750][ T1790]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.695752][ T1790]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   73.695755][ T1790]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.695758][ T1790]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.695762][ T1790]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.695766][ T1790]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.695768][ T1790]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.695773][ T1790]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.695776][ T1790]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.695778][ T1790]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.695780][ T1790]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   73.695783][ T1790]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.695785][ T1790]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.695788][ T1790]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.695791][ T1790]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.695794][ T1790]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   73.695799][ T1790]  _printk (kernel/printk/printk.c:2504)
[   73.695803][ T1790]  ? snapshot_read.cold (user.c:?)
[   73.695804][ T1790]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   73.695807][ T1790]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.695809][ T1790]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   73.695812][ T1790]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   73.695815][ T1790]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   73.695818][ T1790]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   73.695820][ T1790]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   73.695823][ T1790]  ? netdev_notice (net/core/dev.c:13194)
[   73.695826][ T1790]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.695829][ T1790]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.695832][ T1790]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   73.695835][ T1790]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   73.695837][ T1790]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   73.695839][ T1790]  ? register_netdev (net/core/dev.c:11618)
[   73.695841][ T1790]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   73.695846][ T1790]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   73.695849][ T1790]  ? __kernel_text_address (kernel/extable.c:79)
[   73.695851][ T1790]  ? write_profile (profile.c:?)
[   73.695855][ T1790]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   73.695861][ T1790]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   73.695864][ T1790]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   73.695867][ T1790]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   73.695868][ T1790]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.695870][ T1790]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.695873][ T1790]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   73.695875][ T1790]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.695877][ T1790]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   73.695879][ T1790]  ? kasan_save_stack (mm/kasan/common.c:58)
[   73.695881][ T1790]  ? kasan_save_stack (mm/kasan/common.c:57)
[   73.695882][ T1790]  ? kasan_save_track (mm/kasan/common.c:78)
[   73.695884][ T1790]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   73.695886][ T1790]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.695888][ T1790]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   73.695891][ T1790]  ? ___sys_sendmsg (net/socket.c:2758)
[   73.695895][ T1790]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.695897][ T1790]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   73.695900][ T1790]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.695901][ T1790]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.695903][ T1790]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.695904][ T1790]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.695906][ T1790]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   73.695908][ T1790]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   73.695910][ T1790]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   73.695912][ T1790]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   73.695915][ T1790]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   73.695916][ T1790]  ? nla_get_range_signed (lib/nlattr.c:270)
[   73.695921][ T1790]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.695924][ T1790]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   73.695929][ T1790]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   73.695934][ T1790]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.695936][ T1790]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.695941][ T1790]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.695943][ T1790]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.695945][ T1790]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.695947][ T1790]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.695951][ T1790]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.695953][ T1790]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.695956][ T1790]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.695958][ T1790]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.695962][ T1790]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.695964][ T1790]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.695968][ T1790]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   73.695971][ T1790]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.695974][ T1790]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.695980][ T1790]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   73.695982][ T1790]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   73.695987][ T1790]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.695991][ T1790]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.695994][ T1790]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.695998][ T1790]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.696002][ T1790]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   73.696006][ T1790]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.696007][ T1790]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   73.696013][ T1790]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   73.696016][ T1790]  ____sys_sendmsg (net/socket.c:2713)
[   73.696018][ T1790]  ? copy_msghdr_from_user (net/socket.c:2650)
[   73.696020][ T1790]  ? sock_write_iter (net/socket.c:1269)
[   73.696022][ T1790]  ? move_addr_to_kernel (net/socket.c:258)
[   73.696030][ T1790]  ___sys_sendmsg (net/socket.c:2767)
[   73.696032][ T1790]  ? copy_msghdr_from_user (net/socket.c:2619)
[   73.696054][ T1790]  __sys_sendmsg (net/socket.c:2799)
[   73.696057][ T1790]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   73.696063][ T1790]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.696069][ T1790]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.696072][ T1790]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   73.696075][ T1790]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.696077][ T1790] RIP: 0033:0x7f4a5ca4354e
[   73.696081][ T1790] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.696082][ T1790] RSP: 002b:00007ffc86928cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.696085][ T1790] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4a5ca4354e
[   73.696086][ T1790] RDX: 0000000000000000 RSI: 00007ffc86928d80 RDI: 0000000000000005
[   73.696087][ T1790] RBP: 00007ffc86928ce0 R08: 0000000000000000 R09: 0000000000000000
[   73.696088][ T1790] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179f8
[   73.696089][ T1790] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc86929440
| [   75.526284][ T1864] softirqs last disabled at (23800): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   75.526286][ T1864] Preemption disabled at:
| [   75.526286][ T1864] vprintk_emit (kernel/printk/printk.c:2471)
| [   75.526295][ T1864] Tainted: [W]=WARN
[   75.526296][ T1864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   75.526297][ T1864] Call Trace:
[   75.526299][ T1864]  <TASK>
[   75.526300][ T1864]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   75.526307][ T1864]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   75.526308][ T1864]  __might_resched.cold (kernel/sched/core.c:9234)
[   75.526313][ T1864]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   75.526317][ T1864]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   75.526321][ T1864]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   75.526323][ T1864]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.526329][ T1864]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   75.526332][ T1864]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.526336][ T1864]  put_chars (drivers/char/virtio_console.c:1176)
[   75.526338][ T1864]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   75.526339][ T1864]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   75.526343][ T1864]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   75.526345][ T1864]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   75.526350][ T1864]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   75.526354][ T1864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.526359][ T1864]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   75.526362][ T1864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.526367][ T1864]  console_emit_next_record (kernel/printk/printk.c:3183)
[   75.526371][ T1864]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   75.526373][ T1864]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   75.526376][ T1864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.526378][ T1864]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.526381][ T1864]  console_flush_one_record (kernel/printk/printk.c:3268)
[   75.526386][ T1864]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   75.526387][ T1864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.526393][ T1864]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   75.526396][ T1864]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   75.526398][ T1864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.526399][ T1864]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   75.526403][ T1864]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   75.526405][ T1864]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   75.526407][ T1864]  vprintk_emit (kernel/printk/printk.c:2479)
[   75.526410][ T1864]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   75.526412][ T1864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.526415][ T1864]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   75.526418][ T1864]  _printk (kernel/printk/printk.c:2504)
[   75.526422][ T1864]  ? snapshot_read.cold (user.c:?)
[   75.526426][ T1864]  ? br_multicast_flood (??:?)
[   75.526428][ T1864]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   75.526430][ T1864]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   75.526431][ T1864]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.526435][ T1864]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   75.526440][ T1864]  br_init_port (net/bridge/br_stp_if.c:39)
[   75.526442][ T1864]  new_nbp (net/bridge/br_if.c:449)
[   75.526446][ T1864]  br_add_if (net/bridge/br_if.c:592)
[   75.526448][ T1864]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   75.526455][ T1864]  do_set_master (net/core/rtnetlink.c:3071)
[   75.526459][ T1864]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   75.526463][ T1864]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   75.526464][ T1864]  ? __dev_get_by_name (net/core/dev.c:905)
[   75.526466][ T1864]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   75.526475][ T1864]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   75.526482][ T1864]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.526487][ T1864]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.526489][ T1864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.526496][ T1864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.526499][ T1864]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.526501][ T1864]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.526504][ T1864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.526506][ T1864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.526510][ T1864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.526512][ T1864]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.526516][ T1864]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.526519][ T1864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.526521][ T1864]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   75.526528][ T1864]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   75.526530][ T1864]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   75.526534][ T1864]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.526538][ T1864]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   75.526544][ T1864]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.526548][ T1864]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   75.526552][ T1864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.526553][ T1864]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   75.526559][ T1864]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   75.526563][ T1864]  ____sys_sendmsg (net/socket.c:2713)
[   75.526565][ T1864]  ? copy_msghdr_from_user (net/socket.c:2650)
[   75.526567][ T1864]  ? sock_write_iter (net/socket.c:1269)
[   75.526569][ T1864]  ? move_addr_to_kernel (net/socket.c:258)
[   75.526573][ T1864]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   75.526576][ T1864]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.526579][ T1864]  ___sys_sendmsg (net/socket.c:2767)
[   75.526581][ T1864]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   75.526583][ T1864]  ? copy_msghdr_from_user (net/socket.c:2619)
[   75.526586][ T1864]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   75.526601][ T1864]  __sys_sendmsg (net/socket.c:2799)
[   75.526604][ T1864]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   75.526609][ T1864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.526611][ T1864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.526614][ T1864]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.526617][ T1864]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   75.526620][ T1864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.526622][ T1864] RIP: 0033:0x7f82ab2f454e
[   75.526626][ T1864] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   75.526628][ T1864] RSP: 002b:00007fff3c517870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   75.526630][ T1864] RAX: ffffffffffffffda RBX: 00007fff3c518038 RCX: 00007f82ab2f454e
[   75.526632][ T1864] RDX: 0000000000000000 RSI: 00007fff3c517920 RDI: 0000000000000005
[   75.526633][ T1864] RBP: 00007fff3c517880 R08: 0000000000000000 R09: 0000000000000000
[   75.526633][ T1864] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179f9
[   75.526634][ T1864] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3c517ff0
| [   76.648670][ T1902] softirqs last disabled at (18946): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   76.648673][ T1902] Preemption disabled at:
| [   76.648674][ T1902] vprintk_emit (kernel/printk/printk.c:2471)
| [   76.648683][ T1902] Tainted: [W]=WARN
[   76.648684][ T1902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.648686][ T1902] Call Trace:
[   76.648687][ T1902]  <TASK>
[   76.648689][ T1902]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   76.648696][ T1902]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   76.648698][ T1902]  __might_resched.cold (kernel/sched/core.c:9234)
[   76.648703][ T1902]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   76.648707][ T1902]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   76.648712][ T1902]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   76.648715][ T1902]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.648722][ T1902]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   76.648725][ T1902]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.648728][ T1902]  put_chars (drivers/char/virtio_console.c:1176)
[   76.648731][ T1902]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   76.648737][ T1902]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   76.648745][ T1902]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   76.648748][ T1902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.648752][ T1902]  console_emit_next_record (kernel/printk/printk.c:3183)
[   76.648756][ T1902]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   76.648758][ T1902]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   76.648761][ T1902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.648764][ T1902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.648767][ T1902]  console_flush_one_record (kernel/printk/printk.c:3268)
[   76.648771][ T1902]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   76.648773][ T1902]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.648778][ T1902]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   76.648781][ T1902]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   76.648783][ T1902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.648785][ T1902]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   76.648788][ T1902]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   76.648790][ T1902]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   76.648793][ T1902]  vprintk_emit (kernel/printk/printk.c:2479)
[   76.648796][ T1902]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   76.648798][ T1902]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   76.648803][ T1902]  _printk (kernel/printk/printk.c:2504)
[   76.648807][ T1902]  ? snapshot_read.cold (user.c:?)
[   76.648809][ T1902]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   76.648811][ T1902]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   76.648814][ T1902]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   76.648816][ T1902]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   76.648820][ T1902]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   76.648823][ T1902]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   76.648825][ T1902]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   76.648827][ T1902]  ? netdev_notice (net/core/dev.c:13194)
[   76.648830][ T1902]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.648833][ T1902]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.648836][ T1902]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   76.648839][ T1902]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   76.648841][ T1902]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   76.648843][ T1902]  ? register_netdev (net/core/dev.c:11618)
[   76.648845][ T1902]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   76.648850][ T1902]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   76.648852][ T1902]  ? __kernel_text_address (kernel/extable.c:79)
[   76.648855][ T1902]  ? write_profile (profile.c:?)
[   76.648859][ T1902]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   76.648865][ T1902]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   76.648868][ T1902]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   76.648870][ T1902]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   76.648871][ T1902]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   76.648873][ T1902]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   76.648877][ T1902]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   76.648878][ T1902]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   76.648880][ T1902]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   76.648883][ T1902]  ? kasan_save_stack (mm/kasan/common.c:58)
[   76.648884][ T1902]  ? kasan_save_stack (mm/kasan/common.c:57)
[   76.648886][ T1902]  ? kasan_save_track (mm/kasan/common.c:78)
[   76.648887][ T1902]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   76.648889][ T1902]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.648891][ T1902]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   76.648894][ T1902]  ? ___sys_sendmsg (net/socket.c:2758)
[   76.648897][ T1902]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.648899][ T1902]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   76.648902][ T1902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.648903][ T1902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.648905][ T1902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.648906][ T1902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.648908][ T1902]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   76.648910][ T1902]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   76.648911][ T1902]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   76.648913][ T1902]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   76.648917][ T1902]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   76.648918][ T1902]  ? nla_get_range_signed (lib/nlattr.c:270)
[   76.648923][ T1902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.648925][ T1902]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   76.648930][ T1902]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   76.648935][ T1902]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   76.648937][ T1902]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.648941][ T1902]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.648943][ T1902]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.648945][ T1902]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   76.648947][ T1902]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.648951][ T1902]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   76.648952][ T1902]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   76.648956][ T1902]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   76.648957][ T1902]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.648961][ T1902]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.648963][ T1902]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.648966][ T1902]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   76.648969][ T1902]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   76.648972][ T1902]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   76.648978][ T1902]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   76.648981][ T1902]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   76.648985][ T1902]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   76.648989][ T1902]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   76.648991][ T1902]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.648995][ T1902]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   76.648999][ T1902]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   76.649003][ T1902]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.649005][ T1902]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   76.649010][ T1902]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   76.649013][ T1902]  ____sys_sendmsg (net/socket.c:2713)
[   76.649015][ T1902]  ? copy_msghdr_from_user (net/socket.c:2650)
[   76.649017][ T1902]  ? sock_write_iter (net/socket.c:1269)
[   76.649019][ T1902]  ? move_addr_to_kernel (net/socket.c:258)
[   76.649026][ T1902]  ___sys_sendmsg (net/socket.c:2767)
[   76.649029][ T1902]  ? copy_msghdr_from_user (net/socket.c:2619)
[   76.649044][ T1902]  __sys_sendmsg (net/socket.c:2799)
[   76.649047][ T1902]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   76.649053][ T1902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.649056][ T1902]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   76.649059][ T1902]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   76.649062][ T1902]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.649064][ T1902] RIP: 0033:0x7f7ad7ec254e
[   76.649073][ T1902] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   76.649075][ T1902] RSP: 002b:00007ffc9a2e1370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   76.649078][ T1902] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7ad7ec254e
[   76.649079][ T1902] RDX: 0000000000000000 RSI: 00007ffc9a2e1420 RDI: 0000000000000005
[   76.649080][ T1902] RBP: 00007ffc9a2e1380 R08: 0000000000000000 R09: 0000000000000000
[   76.649081][ T1902] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179fb
[   76.649082][ T1902] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9a2e1ae0
| [   78.459229][ T1960] softirqs last disabled at (19261): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   78.459231][ T1960] Preemption disabled at:
| [   78.459232][ T1960] vprintk_emit (kernel/printk/printk.c:2471)
| [   78.459240][ T1960] Tainted: [W]=WARN
[   78.459241][ T1960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.459243][ T1960] Call Trace:
[   78.459244][ T1960]  <TASK>
[   78.459246][ T1960]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   78.459252][ T1960]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   78.459253][ T1960]  __might_resched.cold (kernel/sched/core.c:9234)
[   78.459258][ T1960]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   78.459261][ T1960]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   78.459266][ T1960]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   78.459268][ T1960]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.459274][ T1960]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.459276][ T1960]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.459280][ T1960]  put_chars (drivers/char/virtio_console.c:1176)
[   78.459283][ T1960]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   78.459284][ T1960]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   78.459287][ T1960]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.459290][ T1960]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   78.459295][ T1960]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   78.459298][ T1960]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.459303][ T1960]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   78.459306][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.459311][ T1960]  console_emit_next_record (kernel/printk/printk.c:3183)
[   78.459315][ T1960]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   78.459317][ T1960]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   78.459320][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.459322][ T1960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.459326][ T1960]  console_flush_one_record (kernel/printk/printk.c:3268)
[   78.459330][ T1960]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   78.459332][ T1960]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.459337][ T1960]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   78.459340][ T1960]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   78.459342][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.459344][ T1960]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   78.459347][ T1960]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   78.459349][ T1960]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   78.459352][ T1960]  vprintk_emit (kernel/printk/printk.c:2479)
[   78.459355][ T1960]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   78.459356][ T1960]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.459359][ T1960]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   78.459363][ T1960]  _printk (kernel/printk/printk.c:2504)
[   78.459366][ T1960]  ? snapshot_read.cold (user.c:?)
[   78.459370][ T1960]  ? br_multicast_flood (??:?)
[   78.459373][ T1960]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   78.459375][ T1960]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   78.459376][ T1960]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   78.459380][ T1960]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   78.459384][ T1960]  br_init_port (net/bridge/br_stp_if.c:39)
[   78.459387][ T1960]  new_nbp (net/bridge/br_if.c:449)
[   78.459391][ T1960]  br_add_if (net/bridge/br_if.c:592)
[   78.459392][ T1960]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   78.459400][ T1960]  do_set_master (net/core/rtnetlink.c:3071)
[   78.459403][ T1960]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   78.459407][ T1960]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   78.459409][ T1960]  ? __dev_get_by_name (net/core/dev.c:905)
[   78.459411][ T1960]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   78.459420][ T1960]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   78.459426][ T1960]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   78.459431][ T1960]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.459433][ T1960]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.459440][ T1960]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.459443][ T1960]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.459445][ T1960]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   78.459449][ T1960]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.459450][ T1960]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.459454][ T1960]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.459456][ T1960]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.459460][ T1960]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   78.459463][ T1960]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.459466][ T1960]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.459472][ T1960]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.459474][ T1960]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.459479][ T1960]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.459482][ T1960]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.459488][ T1960]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   78.459492][ T1960]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   78.459496][ T1960]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.459497][ T1960]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   78.459503][ T1960]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   78.459506][ T1960]  ____sys_sendmsg (net/socket.c:2713)
[   78.459508][ T1960]  ? copy_msghdr_from_user (net/socket.c:2650)
[   78.459511][ T1960]  ? sock_write_iter (net/socket.c:1269)
[   78.459512][ T1960]  ? move_addr_to_kernel (net/socket.c:258)
[   78.459517][ T1960]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   78.459519][ T1960]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.459523][ T1960]  ___sys_sendmsg (net/socket.c:2767)
[   78.459524][ T1960]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   78.459527][ T1960]  ? copy_msghdr_from_user (net/socket.c:2619)
[   78.459529][ T1960]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   78.459544][ T1960]  __sys_sendmsg (net/socket.c:2799)
[   78.459548][ T1960]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   78.459553][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.459555][ T1960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.459558][ T1960]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   78.459561][ T1960]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   78.459564][ T1960]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.459566][ T1960] RIP: 0033:0x7f1d50a3d54e
[   78.459570][ T1960] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.459571][ T1960] RSP: 002b:00007ffd93e6ac10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.459574][ T1960] RAX: ffffffffffffffda RBX: 00007ffd93e6b3d8 RCX: 00007f1d50a3d54e
[   78.459575][ T1960] RDX: 0000000000000000 RSI: 00007ffd93e6acc0 RDI: 0000000000000005
[   78.459576][ T1960] RBP: 00007ffd93e6ac20 R08: 0000000000000000 R09: 0000000000000000
[   78.459577][ T1960] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9179fc
[   78.459578][ T1960] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd93e6b390
| [   85.456119][   T12] softirqs last disabled at (1370532): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   85.456128][   T12] Preemption disabled at:
| [   85.456128][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   85.456137][   T12] Tainted: [W]=WARN
[   85.456138][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.456139][   T12] Workqueue: netns cleanup_net
[   85.456142][   T12] Call Trace:
[   85.456144][   T12]  <TASK>
[   85.456146][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   85.456152][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   85.456154][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   85.456158][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   85.456162][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   85.456167][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   85.456169][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.456176][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   85.456178][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.456182][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   85.456185][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   85.456186][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.456189][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.456192][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.456198][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   85.456202][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.456207][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   85.456210][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.456215][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   85.456219][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   85.456221][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   85.456224][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.456226][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.456230][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   85.456235][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   85.456237][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.456242][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   85.456245][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   85.456247][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.456249][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   85.456253][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   85.456254][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   85.456257][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   85.456261][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   85.456262][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   85.456264][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   85.456266][   T12]  ? kthread (kernel/kthread.c:436)
[   85.456268][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   85.456271][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   85.456275][   T12]  _printk (kernel/printk/printk.c:2504)
[   85.456279][   T12]  ? snapshot_read.cold (user.c:?)
[   85.456283][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   85.456287][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   85.456291][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   85.456294][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   85.456299][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.456300][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   85.456303][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   85.456305][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   85.456307][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   85.456312][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   85.456315][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   85.456322][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   85.456326][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   85.456329][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   85.456333][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   85.456337][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   85.456338][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.456341][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   85.456346][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   85.456350][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   85.456353][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.456355][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.456359][   T12]  process_one_work (kernel/workqueue.c:3387)
[   85.456366][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   85.456369][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.456377][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   85.456384][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   85.456386][   T12]  kthread (kernel/kthread.c:436)
[   85.456388][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   85.456391][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   85.456394][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   85.456397][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   85.456401][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   85.456404][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   85.456407][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.564612][ T2108] softirqs last disabled at (31376): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   86.564614][ T2108] Preemption disabled at:
| [   86.564615][ T2108] vprintk_emit (kernel/printk/printk.c:2471)
| [   86.564624][ T2108] Tainted: [W]=WARN
[   86.564625][ T2108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.564626][ T2108] Call Trace:
[   86.564628][ T2108]  <TASK>
[   86.564629][ T2108]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   86.564635][ T2108]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   86.564637][ T2108]  __might_resched.cold (kernel/sched/core.c:9234)
[   86.564641][ T2108]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   86.564645][ T2108]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   86.564650][ T2108]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   86.564651][ T2108]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.564658][ T2108]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   86.564660][ T2108]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.564664][ T2108]  put_chars (drivers/char/virtio_console.c:1176)
[   86.564667][ T2108]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   86.564673][ T2108]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   86.564680][ T2108]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   86.564683][ T2108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.564688][ T2108]  console_emit_next_record (kernel/printk/printk.c:3183)
[   86.564691][ T2108]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   86.564693][ T2108]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   86.564696][ T2108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.564699][ T2108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.564703][ T2108]  console_flush_one_record (kernel/printk/printk.c:3268)
[   86.564707][ T2108]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   86.564709][ T2108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.564714][ T2108]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   86.564717][ T2108]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   86.564719][ T2108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.564720][ T2108]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   86.564724][ T2108]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   86.564725][ T2108]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   86.564728][ T2108]  vprintk_emit (kernel/printk/printk.c:2479)
[   86.564731][ T2108]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   86.564734][ T2108]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   86.564739][ T2108]  _printk (kernel/printk/printk.c:2504)
[   86.564742][ T2108]  ? snapshot_read.cold (user.c:?)
[   86.564744][ T2108]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   86.564747][ T2108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   86.564749][ T2108]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   86.564751][ T2108]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   86.564755][ T2108]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   86.564758][ T2108]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   86.564760][ T2108]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   86.564762][ T2108]  ? netdev_notice (net/core/dev.c:13194)
[   86.564765][ T2108]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.564768][ T2108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.564771][ T2108]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   86.564774][ T2108]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   86.564776][ T2108]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   86.564778][ T2108]  ? register_netdev (net/core/dev.c:11618)
[   86.564779][ T2108]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   86.564784][ T2108]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   86.564787][ T2108]  ? __kernel_text_address (kernel/extable.c:79)
[   86.564789][ T2108]  ? write_profile (profile.c:?)
[   86.564793][ T2108]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   86.564799][ T2108]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   86.564802][ T2108]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   86.564804][ T2108]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   86.564805][ T2108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   86.564807][ T2108]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   86.564811][ T2108]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   86.564812][ T2108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   86.564814][ T2108]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   86.564816][ T2108]  ? kasan_save_stack (mm/kasan/common.c:58)
[   86.564818][ T2108]  ? kasan_save_stack (mm/kasan/common.c:57)
[   86.564819][ T2108]  ? kasan_save_track (mm/kasan/common.c:78)
[   86.564821][ T2108]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   86.564823][ T2108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.564825][ T2108]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   86.564827][ T2108]  ? ___sys_sendmsg (net/socket.c:2758)
[   86.564831][ T2108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   86.564833][ T2108]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   86.564835][ T2108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.564837][ T2108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.564839][ T2108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.564840][ T2108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.564841][ T2108]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   86.564844][ T2108]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   86.564845][ T2108]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   86.564847][ T2108]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   86.564850][ T2108]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   86.564851][ T2108]  ? nla_get_range_signed (lib/nlattr.c:270)
[   86.564856][ T2108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.564858][ T2108]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   86.564863][ T2108]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.564868][ T2108]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.564870][ T2108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.564874][ T2108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   86.564876][ T2108]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.564878][ T2108]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.564880][ T2108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.564884][ T2108]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.564885][ T2108]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.564888][ T2108]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.564890][ T2108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.564894][ T2108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   86.564896][ T2108]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.564899][ T2108]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.564903][ T2108]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.564905][ T2108]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.564912][ T2108]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   86.564914][ T2108]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   86.564918][ T2108]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.564922][ T2108]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.564924][ T2108]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.564928][ T2108]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.564932][ T2108]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   86.564936][ T2108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.564937][ T2108]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   86.564942][ T2108]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   86.564945][ T2108]  ____sys_sendmsg (net/socket.c:2713)
[   86.564947][ T2108]  ? copy_msghdr_from_user (net/socket.c:2650)
[   86.564950][ T2108]  ? sock_write_iter (net/socket.c:1269)
[   86.564951][ T2108]  ? move_addr_to_kernel (net/socket.c:258)
[   86.564958][ T2108]  ___sys_sendmsg (net/socket.c:2767)
[   86.564961][ T2108]  ? copy_msghdr_from_user (net/socket.c:2619)
[   86.564976][ T2108]  __sys_sendmsg (net/socket.c:2799)
[   86.564979][ T2108]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   86.564986][ T2108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.564988][ T2108]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.564991][ T2108]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   86.564994][ T2108]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.564996][ T2108] RIP: 0033:0x7f7a631a054e
[   86.564999][ T2108] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   86.565001][ T2108] RSP: 002b:00007ffd8c094460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   86.565004][ T2108] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7a631a054e
[   86.565005][ T2108] RDX: 0000000000000000 RSI: 00007ffd8c094510 RDI: 0000000000000005
[   86.565006][ T2108] RBP: 00007ffd8c094470 R08: 0000000000000000 R09: 0000000000000000
[   86.565007][ T2108] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a04
[   86.565007][ T2108] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8c094bd0
| [   88.481075][ T2182] softirqs last disabled at (23940): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   88.481077][ T2182] Preemption disabled at:
| [   88.481078][ T2182] vprintk_emit (kernel/printk/printk.c:2471)
| [   88.481087][ T2182] Tainted: [W]=WARN
[   88.481088][ T2182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.481090][ T2182] Call Trace:
[   88.481091][ T2182]  <TASK>
[   88.481093][ T2182]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.481099][ T2182]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   88.481101][ T2182]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.481105][ T2182]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.481110][ T2182]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   88.481114][ T2182]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   88.481116][ T2182]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.481123][ T2182]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.481125][ T2182]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.481129][ T2182]  put_chars (drivers/char/virtio_console.c:1176)
[   88.481132][ T2182]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.481133][ T2182]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   88.481137][ T2182]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.481144][ T2182]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   88.481149][ T2182]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.481153][ T2182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.481158][ T2182]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.481162][ T2182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.481166][ T2182]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.481170][ T2182]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.481172][ T2182]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   88.481175][ T2182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.481177][ T2182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.481181][ T2182]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.481185][ T2182]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.481187][ T2182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.481193][ T2182]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.481196][ T2182]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.481197][ T2182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.481199][ T2182]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   88.481203][ T2182]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.481205][ T2182]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.481207][ T2182]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.481211][ T2182]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.481212][ T2182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.481215][ T2182]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   88.481219][ T2182]  _printk (kernel/printk/printk.c:2504)
[   88.481223][ T2182]  ? snapshot_read.cold (user.c:?)
[   88.481226][ T2182]  ? br_multicast_flood (??:?)
[   88.481229][ T2182]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   88.481230][ T2182]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   88.481232][ T2182]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.481236][ T2182]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   88.481240][ T2182]  br_init_port (net/bridge/br_stp_if.c:39)
[   88.481242][ T2182]  new_nbp (net/bridge/br_if.c:449)
[   88.481246][ T2182]  br_add_if (net/bridge/br_if.c:592)
[   88.481248][ T2182]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   88.481256][ T2182]  do_set_master (net/core/rtnetlink.c:3071)
[   88.481260][ T2182]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   88.481264][ T2182]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   88.481265][ T2182]  ? __dev_get_by_name (net/core/dev.c:905)
[   88.481267][ T2182]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   88.481276][ T2182]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   88.481283][ T2182]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.481288][ T2182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.481290][ T2182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.481297][ T2182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.481301][ T2182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.481303][ T2182]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.481306][ T2182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.481307][ T2182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.481312][ T2182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.481314][ T2182]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.481318][ T2182]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.481321][ T2182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.481324][ T2182]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.481330][ T2182]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.481332][ T2182]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.481337][ T2182]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.481341][ T2182]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.481346][ T2182]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.481350][ T2182]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.481354][ T2182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.481356][ T2182]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   88.481361][ T2182]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   88.481365][ T2182]  ____sys_sendmsg (net/socket.c:2713)
[   88.481367][ T2182]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.481370][ T2182]  ? sock_write_iter (net/socket.c:1269)
[   88.481371][ T2182]  ? move_addr_to_kernel (net/socket.c:258)
[   88.481376][ T2182]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   88.481379][ T2182]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.481383][ T2182]  ___sys_sendmsg (net/socket.c:2767)
[   88.481384][ T2182]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   88.481387][ T2182]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.481389][ T2182]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   88.481404][ T2182]  __sys_sendmsg (net/socket.c:2799)
[   88.481407][ T2182]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.481413][ T2182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.481415][ T2182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.481418][ T2182]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.481421][ T2182]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.481424][ T2182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.481426][ T2182] RIP: 0033:0x7f07dc52a54e
[   88.481430][ T2182] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.481432][ T2182] RSP: 002b:00007ffc5321c9d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.481435][ T2182] RAX: ffffffffffffffda RBX: 00007ffc5321d198 RCX: 00007f07dc52a54e
[   88.481436][ T2182] RDX: 0000000000000000 RSI: 00007ffc5321ca80 RDI: 0000000000000005
[   88.481437][ T2182] RBP: 00007ffc5321c9e0 R08: 0000000000000000 R09: 0000000000000000
[   88.481438][ T2182] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a06
[   88.481439][ T2182] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5321d150
| [   89.684854][ T2219] softirqs last disabled at (13854): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   89.684857][ T2219] Preemption disabled at:
| [   89.684857][ T2219] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.684866][ T2219] Tainted: [W]=WARN
[   89.684867][ T2219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.684868][ T2219] Call Trace:
[   89.684870][ T2219]  <TASK>
[   89.684872][ T2219]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.684878][ T2219]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.684880][ T2219]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.684884][ T2219]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.684888][ T2219]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   89.684893][ T2219]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   89.684895][ T2219]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.684901][ T2219]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.684904][ T2219]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.684908][ T2219]  put_chars (drivers/char/virtio_console.c:1176)
[   89.684910][ T2219]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.684917][ T2219]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.684924][ T2219]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.684928][ T2219]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.684932][ T2219]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.684937][ T2219]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.684939][ T2219]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   89.684942][ T2219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.684945][ T2219]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.684949][ T2219]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.684953][ T2219]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.684955][ T2219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.684961][ T2219]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.684963][ T2219]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.684965][ T2219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.684967][ T2219]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   89.684971][ T2219]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.684973][ T2219]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.684976][ T2219]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.684979][ T2219]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.684981][ T2219]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   89.684986][ T2219]  _printk (kernel/printk/printk.c:2504)
[   89.684990][ T2219]  ? snapshot_read.cold (user.c:?)
[   89.684992][ T2219]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   89.684995][ T2219]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.684997][ T2219]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.684999][ T2219]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   89.685003][ T2219]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   89.685006][ T2219]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   89.685008][ T2219]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   89.685011][ T2219]  ? netdev_notice (net/core/dev.c:13194)
[   89.685014][ T2219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.685017][ T2219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.685020][ T2219]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   89.685023][ T2219]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   89.685025][ T2219]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   89.685027][ T2219]  ? register_netdev (net/core/dev.c:11618)
[   89.685029][ T2219]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   89.685034][ T2219]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   89.685037][ T2219]  ? __kernel_text_address (kernel/extable.c:79)
[   89.685039][ T2219]  ? write_profile (profile.c:?)
[   89.685043][ T2219]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   89.685049][ T2219]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   89.685052][ T2219]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   89.685054][ T2219]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   89.685056][ T2219]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   89.685058][ T2219]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.685061][ T2219]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   89.685063][ T2219]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.685065][ T2219]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.685070][ T2219]  ? kasan_save_stack (mm/kasan/common.c:58)
[   89.685072][ T2219]  ? kasan_save_stack (mm/kasan/common.c:57)
[   89.685074][ T2219]  ? kasan_save_track (mm/kasan/common.c:78)
[   89.685075][ T2219]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   89.685078][ T2219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.685079][ T2219]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   89.685082][ T2219]  ? ___sys_sendmsg (net/socket.c:2758)
[   89.685086][ T2219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.685089][ T2219]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.685091][ T2219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.685093][ T2219]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.685095][ T2219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.685096][ T2219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.685098][ T2219]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   89.685100][ T2219]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   89.685101][ T2219]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   89.685103][ T2219]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.685107][ T2219]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   89.685108][ T2219]  ? nla_get_range_signed (lib/nlattr.c:270)
[   89.685113][ T2219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.685115][ T2219]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   89.685120][ T2219]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.685126][ T2219]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.685128][ T2219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.685132][ T2219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.685134][ T2219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.685136][ T2219]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.685138][ T2219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.685142][ T2219]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.685144][ T2219]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.685153][ T2219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.685154][ T2219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.685159][ T2219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.685161][ T2219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.685165][ T2219]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.685168][ T2219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.685171][ T2219]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.685177][ T2219]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.685179][ T2219]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.685184][ T2219]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.685188][ T2219]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.685191][ T2219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.685195][ T2219]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.685200][ T2219]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.685204][ T2219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.685205][ T2219]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   89.685211][ T2219]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.685214][ T2219]  ____sys_sendmsg (net/socket.c:2713)
[   89.685216][ T2219]  ? copy_msghdr_from_user (net/socket.c:2650)
[   89.685218][ T2219]  ? sock_write_iter (net/socket.c:1269)
[   89.685220][ T2219]  ? move_addr_to_kernel (net/socket.c:258)
[   89.685227][ T2219]  ___sys_sendmsg (net/socket.c:2767)
[   89.685230][ T2219]  ? copy_msghdr_from_user (net/socket.c:2619)
[   89.685245][ T2219]  __sys_sendmsg (net/socket.c:2799)
[   89.685248][ T2219]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   89.685254][ T2219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.685257][ T2219]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.685261][ T2219]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.685263][ T2219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.685266][ T2219] RIP: 0033:0x7f5ca7c8754e
[   89.685269][ T2219] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   89.685271][ T2219] RSP: 002b:00007fffa6fb3860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.685274][ T2219] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5ca7c8754e
[   89.685275][ T2219] RDX: 0000000000000000 RSI: 00007fffa6fb3910 RDI: 0000000000000005
[   89.685276][ T2219] RBP: 00007fffa6fb3870 R08: 0000000000000000 R09: 0000000000000000
[   89.685277][ T2219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a08
[   89.685278][ T2219] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa6fb3fd0
| [   91.588089][ T2285] softirqs last disabled at (17306): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   91.588091][ T2285] Preemption disabled at:
| [   91.588091][ T2285] vprintk_emit (kernel/printk/printk.c:2471)
| [   91.588100][ T2285] Tainted: [W]=WARN
[   91.588101][ T2285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.588102][ T2285] Call Trace:
[   91.588104][ T2285]  <TASK>
[   91.588106][ T2285]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   91.588111][ T2285]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   91.588113][ T2285]  __might_resched.cold (kernel/sched/core.c:9234)
[   91.588117][ T2285]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   91.588122][ T2285]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   91.588126][ T2285]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   91.588128][ T2285]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.588134][ T2285]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   91.588137][ T2285]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.588141][ T2285]  put_chars (drivers/char/virtio_console.c:1176)
[   91.588143][ T2285]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   91.588145][ T2285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   91.588148][ T2285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.588151][ T2285]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   91.588156][ T2285]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   91.588164][ T2285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.588169][ T2285]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   91.588172][ T2285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.588177][ T2285]  console_emit_next_record (kernel/printk/printk.c:3183)
[   91.588181][ T2285]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   91.588183][ T2285]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   91.588186][ T2285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.588188][ T2285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.588192][ T2285]  console_flush_one_record (kernel/printk/printk.c:3268)
[   91.588196][ T2285]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   91.588198][ T2285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.588203][ T2285]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   91.588206][ T2285]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   91.588208][ T2285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.588209][ T2285]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   91.588213][ T2285]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   91.588215][ T2285]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   91.588218][ T2285]  vprintk_emit (kernel/printk/printk.c:2479)
[   91.588221][ T2285]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   91.588223][ T2285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.588225][ T2285]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   91.588229][ T2285]  _printk (kernel/printk/printk.c:2504)
[   91.588233][ T2285]  ? snapshot_read.cold (user.c:?)
[   91.588236][ T2285]  ? br_multicast_flood (??:?)
[   91.588239][ T2285]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   91.588240][ T2285]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   91.588241][ T2285]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   91.588246][ T2285]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   91.588250][ T2285]  br_init_port (net/bridge/br_stp_if.c:39)
[   91.588252][ T2285]  new_nbp (net/bridge/br_if.c:449)
[   91.588256][ T2285]  br_add_if (net/bridge/br_if.c:592)
[   91.588258][ T2285]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   91.588266][ T2285]  do_set_master (net/core/rtnetlink.c:3071)
[   91.588270][ T2285]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   91.588273][ T2285]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   91.588275][ T2285]  ? __dev_get_by_name (net/core/dev.c:905)
[   91.588277][ T2285]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   91.588286][ T2285]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   91.588292][ T2285]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   91.588297][ T2285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.588299][ T2285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.588306][ T2285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.588310][ T2285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.588312][ T2285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.588315][ T2285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.588316][ T2285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.588321][ T2285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   91.588323][ T2285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.588326][ T2285]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.588329][ T2285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.588332][ T2285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.588338][ T2285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   91.588340][ T2285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   91.588345][ T2285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.588349][ T2285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.588354][ T2285]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.588358][ T2285]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   91.588362][ T2285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.588364][ T2285]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   91.588369][ T2285]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   91.588373][ T2285]  ____sys_sendmsg (net/socket.c:2713)
[   91.588376][ T2285]  ? copy_msghdr_from_user (net/socket.c:2650)
[   91.588378][ T2285]  ? sock_write_iter (net/socket.c:1269)
[   91.588380][ T2285]  ? move_addr_to_kernel (net/socket.c:258)
[   91.588384][ T2285]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   91.588387][ T2285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.588390][ T2285]  ___sys_sendmsg (net/socket.c:2767)
[   91.588392][ T2285]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   91.588395][ T2285]  ? copy_msghdr_from_user (net/socket.c:2619)
[   91.588397][ T2285]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   91.588412][ T2285]  __sys_sendmsg (net/socket.c:2799)
[   91.588415][ T2285]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   91.588420][ T2285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.588422][ T2285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.588425][ T2285]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.588429][ T2285]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   91.588432][ T2285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.588434][ T2285] RIP: 0033:0x7fa18772854e
[   91.588438][ T2285] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   91.588439][ T2285] RSP: 002b:00007ffdc07ba000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.588442][ T2285] RAX: ffffffffffffffda RBX: 00007ffdc07ba7c8 RCX: 00007fa18772854e
[   91.588444][ T2285] RDX: 0000000000000000 RSI: 00007ffdc07ba0b0 RDI: 0000000000000005
[   91.588444][ T2285] RBP: 00007ffdc07ba010 R08: 0000000000000000 R09: 0000000000000000
[   91.588445][ T2285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a09
[   91.588446][ T2285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc07ba780
| [   98.636975][   T12] softirqs last disabled at (1679946): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   98.636978][   T12] Preemption disabled at:
| [   98.636978][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   98.636987][   T12] Tainted: [W]=WARN
[   98.636988][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.636990][   T12] Workqueue: netns cleanup_net
[   98.636993][   T12] Call Trace:
[   98.636995][   T12]  <TASK>
[   98.636996][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   98.637002][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   98.637004][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   98.637008][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.637012][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   98.637017][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   98.637019][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.637026][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   98.637028][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.637032][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   98.637035][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   98.637036][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   98.637040][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.637042][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   98.637048][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   98.637051][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.637057][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   98.637060][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.637065][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   98.637072][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   98.637074][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   98.637078][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.637080][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.637084][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   98.637088][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   98.637090][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.637095][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   98.637098][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   98.637100][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.637102][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   98.637106][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   98.637108][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   98.637111][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   98.637114][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   98.637115][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   98.637117][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   98.637119][   T12]  ? kthread (kernel/kthread.c:436)
[   98.637121][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   98.637124][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   98.637129][   T12]  _printk (kernel/printk/printk.c:2504)
[   98.637133][   T12]  ? snapshot_read.cold (user.c:?)
[   98.637137][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   98.637141][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   98.637145][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   98.637147][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   98.637152][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.637154][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   98.637156][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   98.637158][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.637161][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   98.637165][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   98.637169][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   98.637175][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   98.637179][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   98.637182][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   98.637186][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   98.637190][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.637191][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   98.637195][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   98.637199][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   98.637207][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.637211][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.637213][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.637216][   T12]  process_one_work (kernel/workqueue.c:3387)
[   98.637223][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   98.637226][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   98.637234][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   98.637241][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   98.637243][   T12]  kthread (kernel/kthread.c:436)
[   98.637245][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.637248][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   98.637251][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.637254][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   98.637258][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.637261][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   98.637264][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   99.741592][ T2433] softirqs last disabled at (22234): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   99.741595][ T2433] Preemption disabled at:
| [   99.741595][ T2433] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.741604][ T2433] Tainted: [W]=WARN
[   99.741605][ T2433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.741606][ T2433] Call Trace:
[   99.741608][ T2433]  <TASK>
[   99.741609][ T2433]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.741616][ T2433]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.741617][ T2433]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.741622][ T2433]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.741626][ T2433]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   99.741631][ T2433]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   99.741633][ T2433]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.741639][ T2433]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.741642][ T2433]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.741645][ T2433]  put_chars (drivers/char/virtio_console.c:1176)
[   99.741648][ T2433]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.741654][ T2433]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.741662][ T2433]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.741666][ T2433]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.741670][ T2433]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.741674][ T2433]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.741676][ T2433]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   99.741679][ T2433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.741682][ T2433]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.741686][ T2433]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.741690][ T2433]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.741692][ T2433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.741697][ T2433]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.741700][ T2433]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.741702][ T2433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.741704][ T2433]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   99.741708][ T2433]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.741710][ T2433]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.741712][ T2433]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.741715][ T2433]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.741718][ T2433]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   99.741723][ T2433]  _printk (kernel/printk/printk.c:2504)
[   99.741727][ T2433]  ? snapshot_read.cold (user.c:?)
[   99.741729][ T2433]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   99.741731][ T2433]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.741734][ T2433]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   99.741736][ T2433]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   99.741740][ T2433]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   99.741743][ T2433]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   99.741745][ T2433]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   99.741748][ T2433]  ? netdev_notice (net/core/dev.c:13194)
[   99.741751][ T2433]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.741754][ T2433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.741756][ T2433]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   99.741760][ T2433]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   99.741762][ T2433]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   99.741764][ T2433]  ? register_netdev (net/core/dev.c:11618)
[   99.741766][ T2433]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   99.741771][ T2433]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   99.741773][ T2433]  ? __kernel_text_address (kernel/extable.c:79)
[   99.741776][ T2433]  ? write_profile (profile.c:?)
[   99.741780][ T2433]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   99.741786][ T2433]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   99.741789][ T2433]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   99.741791][ T2433]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   99.741793][ T2433]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   99.741795][ T2433]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.741798][ T2433]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   99.741800][ T2433]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.741802][ T2433]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   99.741804][ T2433]  ? kasan_save_stack (mm/kasan/common.c:58)
[   99.741806][ T2433]  ? kasan_save_stack (mm/kasan/common.c:57)
[   99.741808][ T2433]  ? kasan_save_track (mm/kasan/common.c:78)
[   99.741809][ T2433]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.741811][ T2433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.741813][ T2433]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   99.741816][ T2433]  ? ___sys_sendmsg (net/socket.c:2758)
[   99.741820][ T2433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.741822][ T2433]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   99.741824][ T2433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.741826][ T2433]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.741828][ T2433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.741829][ T2433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.741830][ T2433]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   99.741832][ T2433]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   99.741834][ T2433]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   99.741836][ T2433]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   99.741839][ T2433]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   99.741840][ T2433]  ? nla_get_range_signed (lib/nlattr.c:270)
[   99.741845][ T2433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.741847][ T2433]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   99.741852][ T2433]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.741858][ T2433]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.741860][ T2433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.741864][ T2433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.741866][ T2433]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.741868][ T2433]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.741870][ T2433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.741874][ T2433]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.741876][ T2433]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.741879][ T2433]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.741880][ T2433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.741885][ T2433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.741887][ T2433]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.741890][ T2433]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.741893][ T2433]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.741896][ T2433]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.741903][ T2433]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.741905][ T2433]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.741909][ T2433]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.741913][ T2433]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.741916][ T2433]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.741920][ T2433]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.741924][ T2433]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.741928][ T2433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.741929][ T2433]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   99.741935][ T2433]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   99.741937][ T2433]  ____sys_sendmsg (net/socket.c:2713)
[   99.741940][ T2433]  ? copy_msghdr_from_user (net/socket.c:2650)
[   99.741942][ T2433]  ? sock_write_iter (net/socket.c:1269)
[   99.741944][ T2433]  ? move_addr_to_kernel (net/socket.c:258)
[   99.741951][ T2433]  ___sys_sendmsg (net/socket.c:2767)
[   99.741954][ T2433]  ? copy_msghdr_from_user (net/socket.c:2619)
[   99.741970][ T2433]  __sys_sendmsg (net/socket.c:2799)
[   99.741973][ T2433]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   99.741979][ T2433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.741982][ T2433]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.741985][ T2433]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   99.741988][ T2433]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.741990][ T2433] RIP: 0033:0x7f950101e54e
[   99.741994][ T2433] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.741995][ T2433] RSP: 002b:00007ffe52043ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.741998][ T2433] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f950101e54e
[   99.741999][ T2433] RDX: 0000000000000000 RSI: 00007ffe52043f70 RDI: 0000000000000005
[   99.742000][ T2433] RBP: 00007ffe52043ed0 R08: 0000000000000000 R09: 0000000000000000
[   99.742001][ T2433] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a12
[   99.742002][ T2433] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe52044630
| [  101.537723][ T2508] softirqs last disabled at (26392): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  101.537726][ T2508] Preemption disabled at:
| [  101.537726][ T2508] vprintk_emit (kernel/printk/printk.c:2471)
| [  101.537735][ T2508] Tainted: [W]=WARN
[  101.537736][ T2508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.537737][ T2508] Call Trace:
[  101.537739][ T2508]  <TASK>
[  101.537741][ T2508]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  101.537747][ T2508]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  101.537749][ T2508]  __might_resched.cold (kernel/sched/core.c:9234)
[  101.537753][ T2508]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  101.537757][ T2508]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  101.537762][ T2508]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  101.537763][ T2508]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.537770][ T2508]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.537772][ T2508]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.537776][ T2508]  put_chars (drivers/char/virtio_console.c:1176)
[  101.537778][ T2508]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  101.537780][ T2508]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  101.537783][ T2508]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.537786][ T2508]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  101.537791][ T2508]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  101.537795][ T2508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.537800][ T2508]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  101.537803][ T2508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.537808][ T2508]  console_emit_next_record (kernel/printk/printk.c:3183)
[  101.537812][ T2508]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  101.537814][ T2508]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  101.537817][ T2508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.537819][ T2508]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.537823][ T2508]  console_flush_one_record (kernel/printk/printk.c:3268)
[  101.537827][ T2508]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  101.537829][ T2508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.537834][ T2508]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  101.537837][ T2508]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  101.537839][ T2508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.537841][ T2508]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  101.537844][ T2508]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  101.537846][ T2508]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  101.537849][ T2508]  vprintk_emit (kernel/printk/printk.c:2479)
[  101.537852][ T2508]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  101.537854][ T2508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.537857][ T2508]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  101.537860][ T2508]  _printk (kernel/printk/printk.c:2504)
[  101.537864][ T2508]  ? snapshot_read.cold (user.c:?)
[  101.537868][ T2508]  ? br_multicast_flood (??:?)
[  101.537871][ T2508]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  101.537872][ T2508]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  101.537873][ T2508]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  101.537877][ T2508]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  101.537882][ T2508]  br_init_port (net/bridge/br_stp_if.c:39)
[  101.537884][ T2508]  new_nbp (net/bridge/br_if.c:449)
[  101.537888][ T2508]  br_add_if (net/bridge/br_if.c:592)
[  101.537890][ T2508]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  101.537898][ T2508]  do_set_master (net/core/rtnetlink.c:3071)
[  101.537902][ T2508]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  101.537905][ T2508]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  101.537907][ T2508]  ? __dev_get_by_name (net/core/dev.c:905)
[  101.537909][ T2508]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  101.537919][ T2508]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  101.537925][ T2508]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  101.537930][ T2508]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  101.537932][ T2508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.537939][ T2508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.537943][ T2508]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  101.537945][ T2508]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  101.537948][ T2508]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.537950][ T2508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.537954][ T2508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  101.537956][ T2508]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.537960][ T2508]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  101.537963][ T2508]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.537966][ T2508]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.537972][ T2508]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.537974][ T2508]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.537979][ T2508]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.537983][ T2508]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.537988][ T2508]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  101.537992][ T2508]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  101.537996][ T2508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.537998][ T2508]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  101.538003][ T2508]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  101.538007][ T2508]  ____sys_sendmsg (net/socket.c:2713)
[  101.538009][ T2508]  ? copy_msghdr_from_user (net/socket.c:2650)
[  101.538012][ T2508]  ? sock_write_iter (net/socket.c:1269)
[  101.538013][ T2508]  ? move_addr_to_kernel (net/socket.c:258)
[  101.538018][ T2508]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  101.538020][ T2508]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.538024][ T2508]  ___sys_sendmsg (net/socket.c:2767)
[  101.538026][ T2508]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  101.538028][ T2508]  ? copy_msghdr_from_user (net/socket.c:2619)
[  101.538031][ T2508]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  101.538046][ T2508]  __sys_sendmsg (net/socket.c:2799)
[  101.538048][ T2508]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  101.538054][ T2508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.538056][ T2508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.538059][ T2508]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  101.538062][ T2508]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  101.538065][ T2508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.538070][ T2508] RIP: 0033:0x7f56ee34454e
[  101.538074][ T2508] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.538075][ T2508] RSP: 002b:00007fff1b373b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.538078][ T2508] RAX: ffffffffffffffda RBX: 00007fff1b374308 RCX: 00007f56ee34454e
[  101.538080][ T2508] RDX: 0000000000000000 RSI: 00007fff1b373bf0 RDI: 0000000000000005
[  101.538081][ T2508] RBP: 00007fff1b373b50 R08: 0000000000000000 R09: 0000000000000000
[  101.538082][ T2508] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a13
[  101.538083][ T2508] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1b3742c0
| [  102.673845][ T2546] softirqs last disabled at (15298): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  102.673847][ T2546] Preemption disabled at:
| [  102.673848][ T2546] vprintk_emit (kernel/printk/printk.c:2471)
| [  102.673856][ T2546] Tainted: [W]=WARN
[  102.673857][ T2546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.673859][ T2546] Call Trace:
[  102.673860][ T2546]  <TASK>
[  102.673862][ T2546]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.673868][ T2546]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  102.673870][ T2546]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.673874][ T2546]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.673878][ T2546]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  102.673882][ T2546]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  102.673884][ T2546]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.673891][ T2546]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  102.673894][ T2546]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.673897][ T2546]  put_chars (drivers/char/virtio_console.c:1176)
[  102.673900][ T2546]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.673906][ T2546]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.673913][ T2546]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.673916][ T2546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.673921][ T2546]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.673925][ T2546]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.673927][ T2546]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  102.673930][ T2546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.673933][ T2546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.673937][ T2546]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.673941][ T2546]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.673943][ T2546]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.673948][ T2546]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.673951][ T2546]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.673952][ T2546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.673954][ T2546]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  102.673958][ T2546]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.673960][ T2546]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.673962][ T2546]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.673966][ T2546]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.673968][ T2546]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  102.673973][ T2546]  _printk (kernel/printk/printk.c:2504)
[  102.673977][ T2546]  ? snapshot_read.cold (user.c:?)
[  102.673978][ T2546]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  102.673981][ T2546]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.673984][ T2546]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  102.673986][ T2546]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  102.673989][ T2546]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  102.673992][ T2546]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  102.673994][ T2546]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  102.673997][ T2546]  ? netdev_notice (net/core/dev.c:13194)
[  102.674000][ T2546]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.674003][ T2546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.674005][ T2546]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  102.674009][ T2546]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  102.674011][ T2546]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  102.674013][ T2546]  ? register_netdev (net/core/dev.c:11618)
[  102.674014][ T2546]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  102.674020][ T2546]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  102.674022][ T2546]  ? __kernel_text_address (kernel/extable.c:79)
[  102.674025][ T2546]  ? write_profile (profile.c:?)
[  102.674029][ T2546]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  102.674034][ T2546]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  102.674038][ T2546]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  102.674040][ T2546]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  102.674041][ T2546]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  102.674043][ T2546]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.674047][ T2546]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  102.674048][ T2546]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.674050][ T2546]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  102.674053][ T2546]  ? kasan_save_stack (mm/kasan/common.c:58)
[  102.674055][ T2546]  ? kasan_save_stack (mm/kasan/common.c:57)
[  102.674056][ T2546]  ? kasan_save_track (mm/kasan/common.c:78)
[  102.674057][ T2546]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  102.674059][ T2546]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.674061][ T2546]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  102.674064][ T2546]  ? ___sys_sendmsg (net/socket.c:2758)
[  102.674070][ T2546]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.674072][ T2546]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  102.674075][ T2546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.674077][ T2546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.674078][ T2546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.674079][ T2546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.674081][ T2546]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  102.674083][ T2546]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  102.674085][ T2546]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  102.674087][ T2546]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  102.674090][ T2546]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  102.674091][ T2546]  ? nla_get_range_signed (lib/nlattr.c:270)
[  102.674096][ T2546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.674099][ T2546]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  102.674104][ T2546]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  102.674109][ T2546]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.674111][ T2546]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.674115][ T2546]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.674117][ T2546]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.674119][ T2546]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.674121][ T2546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.674125][ T2546]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.674127][ T2546]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  102.674130][ T2546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.674131][ T2546]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.674136][ T2546]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.674138][ T2546]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.674141][ T2546]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.674144][ T2546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.674147][ T2546]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.674153][ T2546]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  102.674155][ T2546]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  102.674159][ T2546]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.674163][ T2546]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.674166][ T2546]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.674170][ T2546]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.674174][ T2546]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  102.674178][ T2546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.674179][ T2546]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  102.674185][ T2546]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  102.674187][ T2546]  ____sys_sendmsg (net/socket.c:2713)
[  102.674190][ T2546]  ? copy_msghdr_from_user (net/socket.c:2650)
[  102.674192][ T2546]  ? sock_write_iter (net/socket.c:1269)
[  102.674193][ T2546]  ? move_addr_to_kernel (net/socket.c:258)
[  102.674201][ T2546]  ___sys_sendmsg (net/socket.c:2767)
[  102.674203][ T2546]  ? copy_msghdr_from_user (net/socket.c:2619)
[  102.674219][ T2546]  __sys_sendmsg (net/socket.c:2799)
[  102.674222][ T2546]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  102.674232][ T2546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.674235][ T2546]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.674238][ T2546]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  102.674241][ T2546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.674243][ T2546] RIP: 0033:0x7fd2a19cd54e
[  102.674247][ T2546] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  102.674249][ T2546] RSP: 002b:00007ffe23d31390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.674251][ T2546] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd2a19cd54e
[  102.674253][ T2546] RDX: 0000000000000000 RSI: 00007ffe23d31440 RDI: 0000000000000005
[  102.674254][ T2546] RBP: 00007ffe23d313a0 R08: 0000000000000000 R09: 0000000000000000
[  102.674254][ T2546] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a15
[  102.674255][ T2546] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe23d31b00
| [  104.447801][ T2604] softirqs last disabled at (17590): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  104.447803][ T2604] Preemption disabled at:
| [  104.447804][ T2604] vprintk_emit (kernel/printk/printk.c:2471)
| [  104.447812][ T2604] Tainted: [W]=WARN
[  104.447813][ T2604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.447814][ T2604] Call Trace:
[  104.447816][ T2604]  <TASK>
[  104.447817][ T2604]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  104.447823][ T2604]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  104.447825][ T2604]  __might_resched.cold (kernel/sched/core.c:9234)
[  104.447829][ T2604]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  104.447833][ T2604]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  104.447838][ T2604]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  104.447840][ T2604]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.447846][ T2604]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  104.447849][ T2604]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.447853][ T2604]  put_chars (drivers/char/virtio_console.c:1176)
[  104.447855][ T2604]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  104.447857][ T2604]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  104.447860][ T2604]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  104.447863][ T2604]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  104.447868][ T2604]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  104.447873][ T2604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.447878][ T2604]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  104.447881][ T2604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.447886][ T2604]  console_emit_next_record (kernel/printk/printk.c:3183)
[  104.447890][ T2604]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  104.447892][ T2604]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  104.447895][ T2604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.447896][ T2604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.447900][ T2604]  console_flush_one_record (kernel/printk/printk.c:3268)
[  104.447905][ T2604]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  104.447907][ T2604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.447912][ T2604]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  104.447915][ T2604]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  104.447917][ T2604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.447918][ T2604]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  104.447922][ T2604]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  104.447924][ T2604]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  104.447927][ T2604]  vprintk_emit (kernel/printk/printk.c:2479)
[  104.447930][ T2604]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  104.447932][ T2604]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.447935][ T2604]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  104.447938][ T2604]  _printk (kernel/printk/printk.c:2504)
[  104.447942][ T2604]  ? snapshot_read.cold (user.c:?)
[  104.447946][ T2604]  ? br_multicast_flood (??:?)
[  104.447949][ T2604]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  104.447950][ T2604]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  104.447951][ T2604]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  104.447955][ T2604]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  104.447960][ T2604]  br_init_port (net/bridge/br_stp_if.c:39)
[  104.447962][ T2604]  new_nbp (net/bridge/br_if.c:449)
[  104.447966][ T2604]  br_add_if (net/bridge/br_if.c:592)
[  104.447968][ T2604]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  104.447976][ T2604]  do_set_master (net/core/rtnetlink.c:3071)
[  104.447980][ T2604]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  104.447983][ T2604]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  104.447985][ T2604]  ? __dev_get_by_name (net/core/dev.c:905)
[  104.447987][ T2604]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  104.447996][ T2604]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  104.448003][ T2604]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  104.448008][ T2604]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  104.448010][ T2604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.448017][ T2604]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.448021][ T2604]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  104.448023][ T2604]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.448026][ T2604]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.448027][ T2604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.448032][ T2604]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  104.448034][ T2604]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  104.448038][ T2604]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  104.448041][ T2604]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.448044][ T2604]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  104.448050][ T2604]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  104.448052][ T2604]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  104.448057][ T2604]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.448061][ T2604]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  104.448069][ T2604]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.448073][ T2604]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  104.448077][ T2604]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.448079][ T2604]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  104.448084][ T2604]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  104.448088][ T2604]  ____sys_sendmsg (net/socket.c:2713)
[  104.448091][ T2604]  ? copy_msghdr_from_user (net/socket.c:2650)
[  104.448093][ T2604]  ? sock_write_iter (net/socket.c:1269)
[  104.448094][ T2604]  ? move_addr_to_kernel (net/socket.c:258)
[  104.448099][ T2604]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  104.448102][ T2604]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  104.448105][ T2604]  ___sys_sendmsg (net/socket.c:2767)
[  104.448107][ T2604]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  104.448109][ T2604]  ? copy_msghdr_from_user (net/socket.c:2619)
[  104.448112][ T2604]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  104.448127][ T2604]  __sys_sendmsg (net/socket.c:2799)
[  104.448130][ T2604]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  104.448136][ T2604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.448138][ T2604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.448141][ T2604]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.448144][ T2604]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  104.448147][ T2604]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.448149][ T2604] RIP: 0033:0x7f7fbaac254e
[  104.448153][ T2604] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  104.448155][ T2604] RSP: 002b:00007ffd2f4bdc40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  104.448158][ T2604] RAX: ffffffffffffffda RBX: 00007ffd2f4be408 RCX: 00007f7fbaac254e
[  104.448159][ T2604] RDX: 0000000000000000 RSI: 00007ffd2f4bdcf0 RDI: 0000000000000005
[  104.448160][ T2604] RBP: 00007ffd2f4bdc50 R08: 0000000000000000 R09: 0000000000000000
[  104.448161][ T2604] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a16
[  104.448162][ T2604] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2f4be3c0
| [  111.491268][   T12] softirqs last disabled at (1944648): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  111.491270][   T12] Preemption disabled at:
| [  111.491271][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  111.491280][   T12] Tainted: [W]=WARN
[  111.491285][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.491287][   T12] Workqueue: netns cleanup_net
[  111.491290][   T12] Call Trace:
[  111.491292][   T12]  <TASK>
[  111.491294][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  111.491299][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  111.491301][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  111.491305][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  111.491309][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  111.491314][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  111.491316][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.491322][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  111.491325][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.491329][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  111.491331][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  111.491333][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  111.491336][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  111.491339][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  111.491344][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  111.491348][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.491354][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  111.491357][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.491362][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  111.491366][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  111.491368][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  111.491371][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.491373][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.491377][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  111.491381][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  111.491383][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.491389][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  111.491392][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  111.491394][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.491395][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  111.491399][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  111.491401][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  111.491404][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  111.491407][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  111.491408][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  111.491410][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  111.491412][   T12]  ? kthread (kernel/kthread.c:436)
[  111.491414][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  111.491417][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  111.491422][   T12]  _printk (kernel/printk/printk.c:2504)
[  111.491426][   T12]  ? snapshot_read.cold (user.c:?)
[  111.491430][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  111.491434][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  111.491438][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  111.491441][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  111.491446][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.491448][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  111.491450][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  111.491452][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.491455][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  111.491459][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  111.491462][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  111.491469][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  111.491473][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  111.491476][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  111.491480][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  111.491483][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  111.491485][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  111.491488][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.491493][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  111.491496][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.491500][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.491502][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.491505][   T12]  process_one_work (kernel/workqueue.c:3387)
[  111.491512][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  111.491515][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  111.491523][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  111.491530][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  111.491532][   T12]  kthread (kernel/kthread.c:436)
[  111.491534][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.491537][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  111.491540][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.491543][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  111.491547][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.491550][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  111.491553][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  112.681024][ T2752] softirqs last disabled at (17896): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  112.681027][ T2752] Preemption disabled at:
| [  112.681028][ T2752] vprintk_emit (kernel/printk/printk.c:2471)
| [  112.681037][ T2752] Tainted: [W]=WARN
[  112.681037][ T2752] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.681039][ T2752] Call Trace:
[  112.681040][ T2752]  <TASK>
[  112.681042][ T2752]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  112.681048][ T2752]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  112.681050][ T2752]  __might_resched.cold (kernel/sched/core.c:9234)
[  112.681054][ T2752]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  112.681059][ T2752]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  112.681063][ T2752]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  112.681065][ T2752]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.681074][ T2752]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  112.681076][ T2752]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.681081][ T2752]  put_chars (drivers/char/virtio_console.c:1176)
[  112.681084][ T2752]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  112.681090][ T2752]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  112.681098][ T2752]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  112.681101][ T2752]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.681106][ T2752]  console_emit_next_record (kernel/printk/printk.c:3183)
[  112.681110][ T2752]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  112.681112][ T2752]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  112.681115][ T2752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.681118][ T2752]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.681122][ T2752]  console_flush_one_record (kernel/printk/printk.c:3268)
[  112.681126][ T2752]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  112.681128][ T2752]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.681133][ T2752]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  112.681136][ T2752]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  112.681138][ T2752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.681140][ T2752]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  112.681144][ T2752]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  112.681145][ T2752]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  112.681148][ T2752]  vprintk_emit (kernel/printk/printk.c:2479)
[  112.681151][ T2752]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  112.681154][ T2752]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  112.681159][ T2752]  _printk (kernel/printk/printk.c:2504)
[  112.681163][ T2752]  ? snapshot_read.cold (user.c:?)
[  112.681165][ T2752]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  112.681167][ T2752]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  112.681170][ T2752]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  112.681172][ T2752]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  112.681176][ T2752]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  112.681179][ T2752]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  112.681181][ T2752]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  112.681184][ T2752]  ? netdev_notice (net/core/dev.c:13194)
[  112.681187][ T2752]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.681190][ T2752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.681192][ T2752]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  112.681196][ T2752]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  112.681198][ T2752]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  112.681200][ T2752]  ? register_netdev (net/core/dev.c:11618)
[  112.681201][ T2752]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  112.681207][ T2752]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  112.681209][ T2752]  ? __kernel_text_address (kernel/extable.c:79)
[  112.681212][ T2752]  ? write_profile (profile.c:?)
[  112.681216][ T2752]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  112.681221][ T2752]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  112.681225][ T2752]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  112.681227][ T2752]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  112.681228][ T2752]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  112.681230][ T2752]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  112.681234][ T2752]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  112.681236][ T2752]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  112.681238][ T2752]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  112.681240][ T2752]  ? kasan_save_stack (mm/kasan/common.c:58)
[  112.681242][ T2752]  ? kasan_save_stack (mm/kasan/common.c:57)
[  112.681243][ T2752]  ? kasan_save_track (mm/kasan/common.c:78)
[  112.681244][ T2752]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  112.681247][ T2752]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.681249][ T2752]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  112.681252][ T2752]  ? ___sys_sendmsg (net/socket.c:2758)
[  112.681255][ T2752]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  112.681257][ T2752]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  112.681260][ T2752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.681262][ T2752]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.681263][ T2752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.681264][ T2752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.681266][ T2752]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  112.681268][ T2752]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  112.681270][ T2752]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  112.681272][ T2752]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  112.681275][ T2752]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  112.681276][ T2752]  ? nla_get_range_signed (lib/nlattr.c:270)
[  112.681281][ T2752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.681284][ T2752]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  112.681293][ T2752]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  112.681299][ T2752]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.681301][ T2752]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.681305][ T2752]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  112.681307][ T2752]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.681309][ T2752]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.681311][ T2752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.681315][ T2752]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.681317][ T2752]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  112.681320][ T2752]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.681321][ T2752]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.681326][ T2752]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  112.681328][ T2752]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.681331][ T2752]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  112.681334][ T2752]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.681337][ T2752]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  112.681344][ T2752]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  112.681346][ T2752]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  112.681350][ T2752]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  112.681354][ T2752]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  112.681357][ T2752]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.681361][ T2752]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  112.681365][ T2752]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  112.681368][ T2752]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.681370][ T2752]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  112.681375][ T2752]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  112.681378][ T2752]  ____sys_sendmsg (net/socket.c:2713)
[  112.681381][ T2752]  ? copy_msghdr_from_user (net/socket.c:2650)
[  112.681383][ T2752]  ? sock_write_iter (net/socket.c:1269)
[  112.681385][ T2752]  ? move_addr_to_kernel (net/socket.c:258)
[  112.681392][ T2752]  ___sys_sendmsg (net/socket.c:2767)
[  112.681395][ T2752]  ? copy_msghdr_from_user (net/socket.c:2619)
[  112.681410][ T2752]  __sys_sendmsg (net/socket.c:2799)
[  112.681413][ T2752]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  112.681420][ T2752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.681423][ T2752]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  112.681426][ T2752]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  112.681429][ T2752]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  112.681431][ T2752] RIP: 0033:0x7f9693d4754e
[  112.681434][ T2752] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  112.681436][ T2752] RSP: 002b:00007ffdec975410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  112.681439][ T2752] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9693d4754e
[  112.681440][ T2752] RDX: 0000000000000000 RSI: 00007ffdec9754c0 RDI: 0000000000000005
[  112.681441][ T2752] RBP: 00007ffdec975420 R08: 0000000000000000 R09: 0000000000000000
[  112.681442][ T2752] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a1f
[  112.681443][ T2752] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdec975b80
| [  114.512647][ T2827] softirqs last disabled at (19714): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  114.512649][ T2827] Preemption disabled at:
| [  114.512649][ T2827] vprintk_emit (kernel/printk/printk.c:2471)
| [  114.512658][ T2827] Tainted: [W]=WARN
[  114.512659][ T2827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.512660][ T2827] Call Trace:
[  114.512662][ T2827]  <TASK>
[  114.512663][ T2827]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  114.512670][ T2827]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  114.512672][ T2827]  __might_resched.cold (kernel/sched/core.c:9234)
[  114.512676][ T2827]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  114.512680][ T2827]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  114.512685][ T2827]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  114.512687][ T2827]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.512693][ T2827]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  114.512696][ T2827]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.512700][ T2827]  put_chars (drivers/char/virtio_console.c:1176)
[  114.512703][ T2827]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  114.512704][ T2827]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  114.512707][ T2827]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  114.512710][ T2827]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  114.512715][ T2827]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  114.512719][ T2827]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.512724][ T2827]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  114.512727][ T2827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.512732][ T2827]  console_emit_next_record (kernel/printk/printk.c:3183)
[  114.512736][ T2827]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  114.512738][ T2827]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  114.512741][ T2827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.512743][ T2827]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.512747][ T2827]  console_flush_one_record (kernel/printk/printk.c:3268)
[  114.512751][ T2827]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  114.512754][ T2827]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.512759][ T2827]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  114.512762][ T2827]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  114.512763][ T2827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.512765][ T2827]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  114.512769][ T2827]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  114.512771][ T2827]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  114.512773][ T2827]  vprintk_emit (kernel/printk/printk.c:2479)
[  114.512777][ T2827]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  114.512778][ T2827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.512781][ T2827]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  114.512785][ T2827]  _printk (kernel/printk/printk.c:2504)
[  114.512789][ T2827]  ? snapshot_read.cold (user.c:?)
[  114.512792][ T2827]  ? br_multicast_flood (??:?)
[  114.512795][ T2827]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  114.512797][ T2827]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  114.512798][ T2827]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  114.512802][ T2827]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  114.512806][ T2827]  br_init_port (net/bridge/br_stp_if.c:39)
[  114.512809][ T2827]  new_nbp (net/bridge/br_if.c:449)
[  114.512813][ T2827]  br_add_if (net/bridge/br_if.c:592)
[  114.512815][ T2827]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  114.512822][ T2827]  do_set_master (net/core/rtnetlink.c:3071)
[  114.512826][ T2827]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  114.512830][ T2827]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  114.512831][ T2827]  ? __dev_get_by_name (net/core/dev.c:905)
[  114.512833][ T2827]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  114.512843][ T2827]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  114.512849][ T2827]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  114.512854][ T2827]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  114.512856][ T2827]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.512863][ T2827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.512867][ T2827]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  114.512869][ T2827]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  114.512872][ T2827]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.512873][ T2827]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.512878][ T2827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  114.512880][ T2827]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.512884][ T2827]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  114.512887][ T2827]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.512890][ T2827]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  114.512896][ T2827]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  114.512898][ T2827]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  114.512902][ T2827]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.512906][ T2827]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  114.512912][ T2827]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  114.512916][ T2827]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  114.512920][ T2827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.512922][ T2827]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  114.512927][ T2827]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  114.512931][ T2827]  ____sys_sendmsg (net/socket.c:2713)
[  114.512933][ T2827]  ? copy_msghdr_from_user (net/socket.c:2650)
[  114.512936][ T2827]  ? sock_write_iter (net/socket.c:1269)
[  114.512937][ T2827]  ? move_addr_to_kernel (net/socket.c:258)
[  114.512942][ T2827]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  114.512944][ T2827]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.512948][ T2827]  ___sys_sendmsg (net/socket.c:2767)
[  114.512950][ T2827]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  114.512952][ T2827]  ? copy_msghdr_from_user (net/socket.c:2619)
[  114.512955][ T2827]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  114.512969][ T2827]  __sys_sendmsg (net/socket.c:2799)
[  114.512972][ T2827]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  114.512978][ T2827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.512980][ T2827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.512983][ T2827]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  114.512986][ T2827]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  114.512989][ T2827]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.512991][ T2827] RIP: 0033:0x7f1a0a30154e
[  114.512995][ T2827] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  114.512997][ T2827] RSP: 002b:00007ffc4d519e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  114.513000][ T2827] RAX: ffffffffffffffda RBX: 00007ffc4d51a5e8 RCX: 00007f1a0a30154e
[  114.513001][ T2827] RDX: 0000000000000000 RSI: 00007ffc4d519ed0 RDI: 0000000000000005
[  114.513002][ T2827] RBP: 00007ffc4d519e30 R08: 0000000000000000 R09: 0000000000000000
[  114.513003][ T2827] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a20
[  114.513004][ T2827] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4d51a5a0
| [  115.658994][ T2864] softirqs last disabled at (28416): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  115.658996][ T2864] Preemption disabled at:
| [  115.658997][ T2864] vprintk_emit (kernel/printk/printk.c:2471)
| [  115.659005][ T2864] Tainted: [W]=WARN
[  115.659006][ T2864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  115.659008][ T2864] Call Trace:
[  115.659009][ T2864]  <TASK>
[  115.659011][ T2864]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  115.659017][ T2864]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  115.659018][ T2864]  __might_resched.cold (kernel/sched/core.c:9234)
[  115.659023][ T2864]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  115.659027][ T2864]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  115.659031][ T2864]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  115.659033][ T2864]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  115.659040][ T2864]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  115.659043][ T2864]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  115.659046][ T2864]  put_chars (drivers/char/virtio_console.c:1176)
[  115.659049][ T2864]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  115.659055][ T2864]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  115.659063][ T2864]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  115.659066][ T2864]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.659073][ T2864]  console_emit_next_record (kernel/printk/printk.c:3183)
[  115.659077][ T2864]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  115.659078][ T2864]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  115.659082][ T2864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.659085][ T2864]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.659089][ T2864]  console_flush_one_record (kernel/printk/printk.c:3268)
[  115.659093][ T2864]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  115.659095][ T2864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  115.659100][ T2864]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  115.659103][ T2864]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  115.659105][ T2864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.659107][ T2864]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  115.659111][ T2864]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  115.659112][ T2864]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  115.659115][ T2864]  vprintk_emit (kernel/printk/printk.c:2479)
[  115.659118][ T2864]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  115.659121][ T2864]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  115.659126][ T2864]  _printk (kernel/printk/printk.c:2504)
[  115.659130][ T2864]  ? snapshot_read.cold (user.c:?)
[  115.659132][ T2864]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  115.659134][ T2864]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  115.659137][ T2864]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  115.659139][ T2864]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  115.659143][ T2864]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  115.659146][ T2864]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  115.659148][ T2864]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  115.659151][ T2864]  ? netdev_notice (net/core/dev.c:13194)
[  115.659154][ T2864]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  115.659157][ T2864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  115.659159][ T2864]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  115.659163][ T2864]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  115.659165][ T2864]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  115.659167][ T2864]  ? register_netdev (net/core/dev.c:11618)
[  115.659168][ T2864]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  115.659174][ T2864]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  115.659176][ T2864]  ? __kernel_text_address (kernel/extable.c:79)
[  115.659179][ T2864]  ? write_profile (profile.c:?)
[  115.659182][ T2864]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  115.659188][ T2864]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  115.659191][ T2864]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  115.659194][ T2864]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  115.659195][ T2864]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  115.659197][ T2864]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  115.659201][ T2864]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  115.659203][ T2864]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  115.659205][ T2864]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  115.659207][ T2864]  ? kasan_save_stack (mm/kasan/common.c:58)
[  115.659209][ T2864]  ? kasan_save_stack (mm/kasan/common.c:57)
[  115.659210][ T2864]  ? kasan_save_track (mm/kasan/common.c:78)
[  115.659211][ T2864]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  115.659214][ T2864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  115.659216][ T2864]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  115.659218][ T2864]  ? ___sys_sendmsg (net/socket.c:2758)
[  115.659222][ T2864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  115.659224][ T2864]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  115.659227][ T2864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.659229][ T2864]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.659230][ T2864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.659231][ T2864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.659233][ T2864]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  115.659235][ T2864]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  115.659237][ T2864]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  115.659239][ T2864]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  115.659242][ T2864]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  115.659243][ T2864]  ? nla_get_range_signed (lib/nlattr.c:270)
[  115.659248][ T2864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.659250][ T2864]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  115.659255][ T2864]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  115.659261][ T2864]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  115.659263][ T2864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  115.659267][ T2864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  115.659269][ T2864]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  115.659271][ T2864]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  115.659273][ T2864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  115.659277][ T2864]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  115.659279][ T2864]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  115.659282][ T2864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  115.659283][ T2864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  115.659288][ T2864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  115.659290][ T2864]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  115.659293][ T2864]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  115.659296][ T2864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  115.659299][ T2864]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  115.659305][ T2864]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  115.659311][ T2864]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  115.659316][ T2864]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  115.659320][ T2864]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  115.659323][ T2864]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  115.659327][ T2864]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  115.659331][ T2864]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  115.659334][ T2864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  115.659336][ T2864]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  115.659341][ T2864]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  115.659344][ T2864]  ____sys_sendmsg (net/socket.c:2713)
[  115.659346][ T2864]  ? copy_msghdr_from_user (net/socket.c:2650)
[  115.659349][ T2864]  ? sock_write_iter (net/socket.c:1269)
[  115.659350][ T2864]  ? move_addr_to_kernel (net/socket.c:258)
[  115.659357][ T2864]  ___sys_sendmsg (net/socket.c:2767)
[  115.659360][ T2864]  ? copy_msghdr_from_user (net/socket.c:2619)
[  115.659376][ T2864]  __sys_sendmsg (net/socket.c:2799)
[  115.659379][ T2864]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  115.659385][ T2864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.659388][ T2864]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  115.659391][ T2864]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  115.659394][ T2864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  115.659396][ T2864] RIP: 0033:0x7f31a6a0e54e
[  115.659400][ T2864] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  115.659401][ T2864] RSP: 002b:00007ffdc675a570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  115.659404][ T2864] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f31a6a0e54e
[  115.659405][ T2864] RDX: 0000000000000000 RSI: 00007ffdc675a620 RDI: 0000000000000005
[  115.659406][ T2864] RBP: 00007ffdc675a580 R08: 0000000000000000 R09: 0000000000000000
[  115.659407][ T2864] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a22
[  115.659408][ T2864] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc675ace0
| [  117.436648][ T2930] softirqs last disabled at (18352): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  117.436650][ T2930] Preemption disabled at:
| [  117.436651][ T2930] vprintk_emit (kernel/printk/printk.c:2471)
| [  117.436659][ T2930] Tainted: [W]=WARN
[  117.436660][ T2930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.436662][ T2930] Call Trace:
[  117.436663][ T2930]  <TASK>
[  117.436665][ T2930]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  117.436671][ T2930]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  117.436673][ T2930]  __might_resched.cold (kernel/sched/core.c:9234)
[  117.436678][ T2930]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  117.436682][ T2930]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  117.436687][ T2930]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  117.436689][ T2930]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.436695][ T2930]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  117.436698][ T2930]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.436702][ T2930]  put_chars (drivers/char/virtio_console.c:1176)
[  117.436704][ T2930]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  117.436706][ T2930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  117.436709][ T2930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  117.436712][ T2930]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  117.436717][ T2930]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  117.436721][ T2930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.436726][ T2930]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  117.436729][ T2930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.436734][ T2930]  console_emit_next_record (kernel/printk/printk.c:3183)
[  117.436738][ T2930]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  117.436740][ T2930]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  117.436743][ T2930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.436745][ T2930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.436749][ T2930]  console_flush_one_record (kernel/printk/printk.c:3268)
[  117.436753][ T2930]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  117.436755][ T2930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.436760][ T2930]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  117.436763][ T2930]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  117.436765][ T2930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.436767][ T2930]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  117.436771][ T2930]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  117.436772][ T2930]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  117.436775][ T2930]  vprintk_emit (kernel/printk/printk.c:2479)
[  117.436778][ T2930]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  117.436780][ T2930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.436783][ T2930]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  117.436786][ T2930]  _printk (kernel/printk/printk.c:2504)
[  117.436790][ T2930]  ? snapshot_read.cold (user.c:?)
[  117.436794][ T2930]  ? br_multicast_flood (??:?)
[  117.436797][ T2930]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  117.436798][ T2930]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  117.436799][ T2930]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  117.436803][ T2930]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  117.436808][ T2930]  br_init_port (net/bridge/br_stp_if.c:39)
[  117.436810][ T2930]  new_nbp (net/bridge/br_if.c:449)
[  117.436814][ T2930]  br_add_if (net/bridge/br_if.c:592)
[  117.436816][ T2930]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  117.436824][ T2930]  do_set_master (net/core/rtnetlink.c:3071)
[  117.436828][ T2930]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  117.436832][ T2930]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  117.436833][ T2930]  ? __dev_get_by_name (net/core/dev.c:905)
[  117.436835][ T2930]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  117.436845][ T2930]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  117.436851][ T2930]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  117.436857][ T2930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  117.436858][ T2930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.436865][ T2930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.436869][ T2930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  117.436871][ T2930]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  117.436874][ T2930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  117.436876][ T2930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.436880][ T2930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  117.436883][ T2930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  117.436887][ T2930]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  117.436890][ T2930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  117.436893][ T2930]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  117.436899][ T2930]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  117.436901][ T2930]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  117.436906][ T2930]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  117.436910][ T2930]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  117.436916][ T2930]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  117.436919][ T2930]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  117.436923][ T2930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.436925][ T2930]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  117.436931][ T2930]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  117.436934][ T2930]  ____sys_sendmsg (net/socket.c:2713)
[  117.436937][ T2930]  ? copy_msghdr_from_user (net/socket.c:2650)
[  117.436939][ T2930]  ? sock_write_iter (net/socket.c:1269)
[  117.436940][ T2930]  ? move_addr_to_kernel (net/socket.c:258)
[  117.436945][ T2930]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  117.436947][ T2930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  117.436951][ T2930]  ___sys_sendmsg (net/socket.c:2767)
[  117.436953][ T2930]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  117.436955][ T2930]  ? copy_msghdr_from_user (net/socket.c:2619)
[  117.436958][ T2930]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  117.436973][ T2930]  __sys_sendmsg (net/socket.c:2799)
[  117.436976][ T2930]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  117.436981][ T2930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.436983][ T2930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.436986][ T2930]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.436990][ T2930]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  117.436993][ T2930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.436995][ T2930] RIP: 0033:0x7f5ac1d0a54e
[  117.436999][ T2930] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  117.437001][ T2930] RSP: 002b:00007ffdb72a6090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  117.437003][ T2930] RAX: ffffffffffffffda RBX: 00007ffdb72a6858 RCX: 00007f5ac1d0a54e
[  117.437005][ T2930] RDX: 0000000000000000 RSI: 00007ffdb72a6140 RDI: 0000000000000005
[  117.437006][ T2930] RBP: 00007ffdb72a60a0 R08: 0000000000000000 R09: 0000000000000000
[  117.437006][ T2930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a23
[  117.437007][ T2930] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb72a6810
| [  125.477211][   T12] softirqs last disabled at (2220067): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  125.477214][   T12] Preemption disabled at:
| [  125.477214][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  125.477223][   T12] Tainted: [W]=WARN
[  125.477224][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  125.477226][   T12] Workqueue: netns cleanup_net
[  125.477229][   T12] Call Trace:
[  125.477231][   T12]  <TASK>
[  125.477233][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  125.477239][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  125.477241][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  125.477245][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  125.477249][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  125.477253][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  125.477255][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.477262][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  125.477265][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.477269][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  125.477271][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  125.477273][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  125.477276][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  125.477279][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  125.477284][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  125.477288][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.477293][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  125.477296][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.477301][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  125.477305][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  125.477307][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  125.477310][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.477312][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.477316][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  125.477321][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  125.477323][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.477328][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  125.477331][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  125.477333][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.477335][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  125.477339][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  125.477340][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  125.477343][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  125.477347][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  125.477348][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  125.477350][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  125.477352][   T12]  ? kthread (kernel/kthread.c:436)
[  125.477354][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  125.477357][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  125.477361][   T12]  _printk (kernel/printk/printk.c:2504)
[  125.477365][   T12]  ? snapshot_read.cold (user.c:?)
[  125.477376][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  125.477380][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  125.477384][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  125.477387][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  125.477391][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.477393][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  125.477396][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  125.477398][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  125.477400][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  125.477404][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  125.477408][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  125.477414][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  125.477418][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  125.477421][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  125.477425][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  125.477428][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  125.477430][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  125.477433][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  125.477438][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  125.477441][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  125.477445][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.477447][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.477450][   T12]  process_one_work (kernel/workqueue.c:3387)
[  125.477457][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  125.477460][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  125.477468][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  125.477475][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  125.477477][   T12]  kthread (kernel/kthread.c:436)
[  125.477479][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  125.477482][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  125.477485][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  125.477488][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  125.477492][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  125.477495][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  125.477498][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  126.584155][ T3145] softirqs last disabled at (15528): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  126.584158][ T3145] Preemption disabled at:
| [  126.584159][ T3145] vprintk_emit (kernel/printk/printk.c:2471)
| [  126.584167][ T3145] Tainted: [W]=WARN
[  126.584168][ T3145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.584170][ T3145] Call Trace:
[  126.584171][ T3145]  <TASK>
[  126.584173][ T3145]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  126.584179][ T3145]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  126.584181][ T3145]  __might_resched.cold (kernel/sched/core.c:9234)
[  126.584185][ T3145]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  126.584189][ T3145]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  126.584194][ T3145]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  126.584196][ T3145]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.584202][ T3145]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  126.584205][ T3145]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.584209][ T3145]  put_chars (drivers/char/virtio_console.c:1176)
[  126.584211][ T3145]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  126.584218][ T3145]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  126.584225][ T3145]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  126.584228][ T3145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.584233][ T3145]  console_emit_next_record (kernel/printk/printk.c:3183)
[  126.584237][ T3145]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  126.584239][ T3145]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  126.584242][ T3145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.584245][ T3145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.584249][ T3145]  console_flush_one_record (kernel/printk/printk.c:3268)
[  126.584253][ T3145]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  126.584255][ T3145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.584261][ T3145]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  126.584263][ T3145]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  126.584265][ T3145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.584267][ T3145]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  126.584271][ T3145]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  126.584273][ T3145]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  126.584275][ T3145]  vprintk_emit (kernel/printk/printk.c:2479)
[  126.584279][ T3145]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  126.584281][ T3145]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  126.584287][ T3145]  _printk (kernel/printk/printk.c:2504)
[  126.584290][ T3145]  ? snapshot_read.cold (user.c:?)
[  126.584292][ T3145]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  126.584295][ T3145]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  126.584297][ T3145]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  126.584300][ T3145]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  126.584303][ T3145]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  126.584306][ T3145]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.584308][ T3145]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  126.584311][ T3145]  ? netdev_notice (net/core/dev.c:13194)
[  126.584314][ T3145]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.584317][ T3145]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.584320][ T3145]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  126.584323][ T3145]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.584325][ T3145]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  126.584327][ T3145]  ? register_netdev (net/core/dev.c:11618)
[  126.584329][ T3145]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  126.584334][ T3145]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  126.584337][ T3145]  ? __kernel_text_address (kernel/extable.c:79)
[  126.584339][ T3145]  ? write_profile (profile.c:?)
[  126.584343][ T3145]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  126.584349][ T3145]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.584352][ T3145]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  126.584355][ T3145]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  126.584356][ T3145]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  126.584358][ T3145]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  126.584361][ T3145]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  126.584363][ T3145]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  126.584365][ T3145]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  126.584367][ T3145]  ? kasan_save_stack (mm/kasan/common.c:58)
[  126.584369][ T3145]  ? kasan_save_stack (mm/kasan/common.c:57)
[  126.584370][ T3145]  ? kasan_save_track (mm/kasan/common.c:78)
[  126.584372][ T3145]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  126.584378][ T3145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.584380][ T3145]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  126.584383][ T3145]  ? ___sys_sendmsg (net/socket.c:2758)
[  126.584386][ T3145]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.584388][ T3145]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  126.584391][ T3145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.584393][ T3145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.584394][ T3145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.584396][ T3145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.584397][ T3145]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  126.584400][ T3145]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  126.584401][ T3145]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  126.584403][ T3145]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  126.584406][ T3145]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  126.584407][ T3145]  ? nla_get_range_signed (lib/nlattr.c:270)
[  126.584412][ T3145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.584415][ T3145]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  126.584420][ T3145]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  126.584425][ T3145]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.584427][ T3145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.584431][ T3145]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.584433][ T3145]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.584435][ T3145]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.584437][ T3145]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.584441][ T3145]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.584443][ T3145]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  126.584446][ T3145]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.584447][ T3145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.584452][ T3145]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.584454][ T3145]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.584457][ T3145]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.584460][ T3145]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.584463][ T3145]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  126.584470][ T3145]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  126.584471][ T3145]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  126.584476][ T3145]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.584480][ T3145]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  126.584482][ T3145]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.584487][ T3145]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.584490][ T3145]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  126.584494][ T3145]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.584496][ T3145]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  126.584501][ T3145]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  126.584504][ T3145]  ____sys_sendmsg (net/socket.c:2713)
[  126.584506][ T3145]  ? copy_msghdr_from_user (net/socket.c:2650)
[  126.584509][ T3145]  ? sock_write_iter (net/socket.c:1269)
[  126.584510][ T3145]  ? move_addr_to_kernel (net/socket.c:258)
[  126.584518][ T3145]  ___sys_sendmsg (net/socket.c:2767)
[  126.584520][ T3145]  ? copy_msghdr_from_user (net/socket.c:2619)
[  126.584536][ T3145]  __sys_sendmsg (net/socket.c:2799)
[  126.584539][ T3145]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  126.584545][ T3145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.584548][ T3145]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.584551][ T3145]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  126.584554][ T3145]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.584556][ T3145] RIP: 0033:0x7f0ee2ff454e
[  126.584560][ T3145] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  126.584562][ T3145] RSP: 002b:00007ffed8c6dfb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  126.584564][ T3145] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0ee2ff454e
[  126.584566][ T3145] RDX: 0000000000000000 RSI: 00007ffed8c6e060 RDI: 0000000000000005
[  126.584567][ T3145] RBP: 00007ffed8c6dfc0 R08: 0000000000000000 R09: 0000000000000000
[  126.584568][ T3145] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a2c
[  126.584569][ T3145] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed8c6e720
| [  128.480582][ T3219] softirqs last disabled at (18350): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  128.480584][ T3219] Preemption disabled at:
| [  128.480584][ T3219] vprintk_emit (kernel/printk/printk.c:2471)
| [  128.480593][ T3219] Tainted: [W]=WARN
[  128.480594][ T3219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  128.480595][ T3219] Call Trace:
[  128.480597][ T3219]  <TASK>
[  128.480599][ T3219]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  128.480605][ T3219]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  128.480607][ T3219]  __might_resched.cold (kernel/sched/core.c:9234)
[  128.480611][ T3219]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  128.480615][ T3219]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  128.480620][ T3219]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  128.480622][ T3219]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.480628][ T3219]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  128.480631][ T3219]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.480634][ T3219]  put_chars (drivers/char/virtio_console.c:1176)
[  128.480637][ T3219]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  128.480638][ T3219]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  128.480642][ T3219]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  128.480644][ T3219]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  128.480649][ T3219]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  128.480654][ T3219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.480659][ T3219]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  128.480662][ T3219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.480667][ T3219]  console_emit_next_record (kernel/printk/printk.c:3183)
[  128.480671][ T3219]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  128.480672][ T3219]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  128.480676][ T3219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.480677][ T3219]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.480681][ T3219]  console_flush_one_record (kernel/printk/printk.c:3268)
[  128.480686][ T3219]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  128.480688][ T3219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.480693][ T3219]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  128.480697][ T3219]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  128.480700][ T3219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.480703][ T3219]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  128.480707][ T3219]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  128.480709][ T3219]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  128.480711][ T3219]  vprintk_emit (kernel/printk/printk.c:2479)
[  128.480715][ T3219]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  128.480717][ T3219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.480719][ T3219]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  128.480723][ T3219]  _printk (kernel/printk/printk.c:2504)
[  128.480727][ T3219]  ? snapshot_read.cold (user.c:?)
[  128.480730][ T3219]  ? br_multicast_flood (??:?)
[  128.480733][ T3219]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  128.480735][ T3219]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  128.480736][ T3219]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  128.480740][ T3219]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  128.480745][ T3219]  br_init_port (net/bridge/br_stp_if.c:39)
[  128.480747][ T3219]  new_nbp (net/bridge/br_if.c:449)
[  128.480751][ T3219]  br_add_if (net/bridge/br_if.c:592)
[  128.480753][ T3219]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  128.480761][ T3219]  do_set_master (net/core/rtnetlink.c:3071)
[  128.480765][ T3219]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  128.480768][ T3219]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  128.480770][ T3219]  ? __dev_get_by_name (net/core/dev.c:905)
[  128.480772][ T3219]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  128.480781][ T3219]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  128.480788][ T3219]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  128.480793][ T3219]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  128.480795][ T3219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.480802][ T3219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.480806][ T3219]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  128.480808][ T3219]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  128.480811][ T3219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  128.480812][ T3219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.480817][ T3219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  128.480819][ T3219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  128.480823][ T3219]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  128.480826][ T3219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  128.480829][ T3219]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  128.480836][ T3219]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  128.480839][ T3219]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  128.480845][ T3219]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  128.480849][ T3219]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  128.480855][ T3219]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  128.480859][ T3219]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  128.480863][ T3219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.480864][ T3219]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  128.480870][ T3219]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  128.480874][ T3219]  ____sys_sendmsg (net/socket.c:2713)
[  128.480876][ T3219]  ? copy_msghdr_from_user (net/socket.c:2650)
[  128.480878][ T3219]  ? sock_write_iter (net/socket.c:1269)
[  128.480880][ T3219]  ? move_addr_to_kernel (net/socket.c:258)
[  128.480885][ T3219]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  128.480887][ T3219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  128.480891][ T3219]  ___sys_sendmsg (net/socket.c:2767)
[  128.480893][ T3219]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  128.480895][ T3219]  ? copy_msghdr_from_user (net/socket.c:2619)
[  128.480898][ T3219]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  128.480913][ T3219]  __sys_sendmsg (net/socket.c:2799)
[  128.480916][ T3219]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  128.480921][ T3219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.480923][ T3219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.480926][ T3219]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  128.480930][ T3219]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  128.480933][ T3219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  128.480936][ T3219] RIP: 0033:0x7f72a218754e
[  128.480940][ T3219] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  128.480942][ T3219] RSP: 002b:00007fff9855cb60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  128.480946][ T3219] RAX: ffffffffffffffda RBX: 00007fff9855d328 RCX: 00007f72a218754e
[  128.480948][ T3219] RDX: 0000000000000000 RSI: 00007fff9855cc10 RDI: 0000000000000005
[  128.480949][ T3219] RBP: 00007fff9855cb70 R08: 0000000000000000 R09: 0000000000000000
[  128.480951][ T3219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a2e
[  128.480952][ T3219] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9855d2e0
| [  128.491465][    C0]
| [  128.491465][    C0]
| [  128.491465][    C0] stack backtrace:
| [  128.491470][    C0] Tainted: [W]=WARN
[  128.491470][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  128.491472][    C0] Workqueue: ipv6_addrconf addrconf_dad_work
[  128.491474][    C0] Call Trace:
[  128.491475][    C0]  <IRQ>
[  128.491477][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  128.491482][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  128.491486][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  128.491488][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  128.491492][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  128.491494][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  128.491495][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  128.491498][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  128.491499][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  128.491501][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.491503][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.491505][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  128.491507][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  128.491508][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[  128.491510][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  128.491512][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  128.491514][    C0]  _printk (kernel/printk/printk.c:2504)
[  128.491515][    C0]  ? snapshot_read.cold (user.c:?)
[  128.491517][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  128.491519][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.491521][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[  128.491523][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  128.491524][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  128.491526][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  128.491528][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  128.491530][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  128.491533][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  128.491535][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.491536][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  128.491538][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  128.491540][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  128.491543][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  128.491544][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.491547][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  128.491550][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  128.491552][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  128.491554][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.491555][    C0]  handle_softirqs (kernel/softirq.c:645)
[  128.491557][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.491558][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  128.491560][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  128.491562][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  128.491563][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  128.491565][    C0]  </IRQ>
[  128.491566][    C0]  <TASK>
[  128.491566][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  128.491568][    C0] RIP: 0010:mutex_spin_on_owner (./arch/x86/include/asm/vdso/processor.h:13 ./arch/x86/include/asm/vdso/processor.h:18 kernel/locking/mutex.c:416)
[  128.491570][    C0] Code: b8 00 00 00 00 00 fc ff df 48 8d 7b 50 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 d3 00 00 00 48 8b 04 24 48 3b 43 50 75 b0 f3 90 <48> 85 db 0f 85 8b fe ff ff 31 c0 e9 aa fe ff ff 65 8b 15 07 ad ee
All code
========
   0:	b8 00 00 00 00       	mov    $0x0,%eax
   5:	00 fc                	add    %bh,%ah
   7:	ff                   	lcall  (bad)
   8:	df 48 8d             	fisttps -0x73(%rax)
   b:	7b 50                	jnp    0x5d
   d:	48 89 f9             	mov    %rdi,%rcx
  10:	48 c1 e9 03          	shr    $0x3,%rcx
  14:	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1)
  18:	0f 85 d3 00 00 00    	jne    0xf1
  1e:	48 8b 04 24          	mov    (%rsp),%rax
  22:	48 3b 43 50          	cmp    0x50(%rbx),%rax
  26:	75 b0                	jne    0xffffffffffffffd8
  28:	f3 90                	pause
  2a:*	48 85 db             	test   %rbx,%rbx		<-- trapping instruction
  2d:	0f 85 8b fe ff ff    	jne    0xfffffffffffffebe
  33:	31 c0                	xor    %eax,%eax
  35:	e9 aa fe ff ff       	jmp    0xfffffffffffffee4
  3a:	65                   	gs
  3b:	8b                   	.byte 0x8b
  3c:	15                   	.byte 0x15
  3d:	07                   	(bad)
  3e:	ad                   	lods   (%rsi),%eax
  3f:	ee                   	out    %al,(%dx)

Code starting with the faulting instruction
===========================================
   0:	48 85 db             	test   %rbx,%rbx
   3:	0f 85 8b fe ff ff    	jne    0xfffffffffffffe94
   9:	31 c0                	xor    %eax,%eax
   b:	e9 aa fe ff ff       	jmp    0xfffffffffffffeba
  10:	65                   	gs
  11:	8b                   	.byte 0x8b
  12:	15                   	.byte 0x15
  13:	07                   	(bad)
  14:	ad                   	lods   (%rsi),%eax
  15:	ee                   	out    %al,(%dx)
[  128.491571][    C0] RSP: 0018:ffa00000000c79a0 EFLAGS: 00000246
[  128.491573][    C0] RAX: ff11000001b64740 RBX: ffffffff8fb1b6e0 RCX: dffffc0000000000
[  128.491574][    C0] RDX: 0000000000000000 RSI: 1fe220000036c8e8 RDI: ff1100000eaa8054
[  128.491575][    C0] RBP: ff1100000eaa8040 R08: ffffffff8b7553f7 R09: 1ffffffff1f636dc
[  128.491576][    C0] R10: fffffbfff1f636dd R11: fffffbfff1f636dd R12: 0000000000000000
[  128.491577][    C0] R13: dffffc0000000000 R14: ffe21c0001d5500e R15: ff1100000eaa8040
[  128.491578][    C0]  ? mutex_spin_on_owner (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:392)
[  128.491581][    C0]  __mutex_lock (kernel/locking/mutex.c:509 kernel/locking/mutex.c:650 kernel/locking/mutex.c:821)
[  128.491582][    C0]  ? addrconf_dad_work (./include/linux/rtnetlink.h:134 net/ipv6/addrconf.c:4230)
[  128.491584][    C0]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  128.491586][    C0]  ? look_up_lock_class (kernel/locking/lockdep.c:949 (discriminator 5))
[  128.491587][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  128.491589][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  128.491591][    C0]  ? addrconf_dad_work (./include/linux/rtnetlink.h:134 net/ipv6/addrconf.c:4230)
[  128.491592][    C0]  addrconf_dad_work (./include/linux/rtnetlink.h:134 net/ipv6/addrconf.c:4230)
[  128.491594][    C0]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[  128.491596][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.491597][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.491598][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.491599][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.491601][    C0]  process_one_work (kernel/workqueue.c:3387)
[  128.491604][    C0]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  128.491606][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  128.491609][    C0]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  128.491612][    C0]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  128.491614][    C0]  kthread (kernel/kthread.c:436)
[  128.491615][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  128.491618][    C0]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  128.491620][    C0]  ret_from_fork (arch/x86/kernel/process.c:158)
[  128.491622][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  128.491624][    C0]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  128.491627][    C0]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  128.491629][    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  129.739118][ T3278] softirqs last disabled at (0): 0x0
| [  129.739120][ T3278] Preemption disabled at:
| [  129.739121][ T3278] vprintk_emit (kernel/printk/printk.c:2471)
| [  129.739131][ T3278] Tainted: [W]=WARN
[  129.739132][ T3278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  129.739133][ T3278] Call Trace:
[  129.739135][ T3278]  <TASK>
[  129.739136][ T3278]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  129.739142][ T3278]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  129.739143][ T3278]  __might_resched.cold (kernel/sched/core.c:9234)
[  129.739147][ T3278]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  129.739149][ T3278]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  129.739152][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739154][ T3278]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  129.739157][ T3278]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  129.739160][ T3278]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  129.739165][ T3278]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  129.739167][ T3278]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  129.739170][ T3278]  put_chars (drivers/char/virtio_console.c:1176)
[  129.739171][ T3278]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  129.739173][ T3278]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  129.739176][ T3278]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  129.739180][ T3278]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  129.739182][ T3278]  ? vsnprintf (lib/vsprintf.c:2900)
[  129.739185][ T3278]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  129.739187][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739188][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739189][ T3278]  console_emit_next_record (kernel/printk/printk.c:3183)
[  129.739192][ T3278]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  129.739194][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739195][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739196][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739197][ T3278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.739200][ T3278]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  129.739201][ T3278]  console_flush_one_record (kernel/printk/printk.c:3268)
[  129.739204][ T3278]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  129.739207][ T3278]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  129.739208][ T3278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.739210][ T3278]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  129.739212][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739213][ T3278]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  129.739214][ T3278]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  129.739216][ T3278]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  129.739217][ T3278]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  129.739219][ T3278]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  129.739221][ T3278]  vprintk_emit (kernel/printk/printk.c:2479)
[  129.739222][ T3278]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  129.739224][ T3278]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  129.739225][ T3278]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  129.739228][ T3278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.739229][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739231][ T3278]  _printk (kernel/printk/printk.c:2504)
[  129.739234][ T3278]  ? snapshot_read.cold (user.c:?)
[  129.739235][ T3278]  ? br_multicast_flood (??:?)
[  129.739239][ T3278]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  129.739242][ T3278]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  129.739243][ T3278]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  129.739244][ T3278]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  129.739247][ T3278]  br_init_port (net/bridge/br_stp_if.c:39)
[  129.739249][ T3278]  new_nbp (net/bridge/br_if.c:449)
[  129.739251][ T3278]  br_add_if (net/bridge/br_if.c:592)
[  129.739253][ T3278]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  129.739257][ T3278]  do_set_master (net/core/rtnetlink.c:3071)
[  129.739259][ T3278]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  129.739261][ T3278]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  129.739262][ T3278]  ? __dev_get_by_name (net/core/dev.c:905)
[  129.739263][ T3278]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  129.739267][ T3278]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  129.739269][ T3278]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  129.739271][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739273][ T3278]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  129.739274][ T3278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.739275][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739277][ T3278]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  129.739279][ T3278]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  129.739281][ T3278]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  129.739283][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739285][ T3278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.739286][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739287][ T3278]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  129.739289][ T3278]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  129.739290][ T3278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  129.739292][ T3278]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  129.739293][ T3278]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  129.739297][ T3278]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  129.739300][ T3278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  129.739301][ T3278]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  129.739303][ T3278]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  129.739304][ T3278]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  129.739307][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739308][ T3278]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  129.739310][ T3278]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  129.739312][ T3278]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  129.739314][ T3278]  ? next_uptodate_folio (mm/filemap.c:3747)
[  129.739317][ T3278]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  129.739319][ T3278]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  129.739321][ T3278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.739323][ T3278]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  129.739326][ T3278]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  129.739330][ T3278]  ____sys_sendmsg (net/socket.c:2713)
[  129.739331][ T3278]  ? copy_msghdr_from_user (net/socket.c:2650)
[  129.739333][ T3278]  ? sock_write_iter (net/socket.c:1269)
[  129.739334][ T3278]  ? move_addr_to_kernel (net/socket.c:258)
[  129.739337][ T3278]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  129.739339][ T3278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.739341][ T3278]  ___sys_sendmsg (net/socket.c:2767)
[  129.739343][ T3278]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  129.739344][ T3278]  ? copy_msghdr_from_user (net/socket.c:2619)
[  129.739346][ T3278]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  129.739351][ T3278]  __sys_sendmsg (net/socket.c:2799)
[  129.739353][ T3278]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  129.739355][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739356][ T3278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.739358][ T3278]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  129.739360][ T3278]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  129.739362][ T3278]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  129.739364][ T3278] RIP: 0033:0x7f2ae8ae254e
[  129.739366][ T3278] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  129.739368][ T3278] RSP: 002b:00007ffda0bdb8d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  129.739371][ T3278] RAX: ffffffffffffffda RBX: 00007ffda0bdc098 RCX: 00007f2ae8ae254e
[  129.739373][ T3278] RDX: 0000000000000000 RSI: 00007ffda0bdb980 RDI: 0000000000000005
[  129.739374][ T3278] RBP: 00007ffda0bdb8e0 R08: 0000000000000000 R09: 0000000000000000
[  129.739374][ T3278] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a30
[  129.739375][ T3278] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda0bdc050
| [  137.251931][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  137.251933][   T12] Preemption disabled at:
| [  137.251934][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  137.251943][   T12] Tainted: [W]=WARN
[  137.251944][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  137.251946][   T12] Workqueue: netns cleanup_net
[  137.251952][   T12] Call Trace:
[  137.251953][   T12]  <TASK>
[  137.251955][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  137.251961][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  137.251962][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  137.251966][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  137.251968][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  137.251971][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.251973][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  137.251976][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  137.251979][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.251983][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  137.251985][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.251987][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  137.251989][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  137.251990][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  137.251993][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  137.251997][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  137.251999][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  137.252002][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  137.252004][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.252005][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.252007][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  137.252009][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  137.252011][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.252012][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.252013][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.252014][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.252017][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  137.252019][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  137.252021][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  137.252024][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  137.252025][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.252027][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  137.252029][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.252030][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.252031][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  137.252033][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  137.252034][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  137.252036][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  137.252037][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  137.252039][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  137.252040][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  137.252042][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  137.252044][   T12]  ? kthread (kernel/kthread.c:436)
[  137.252047][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  137.252049][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  137.252052][   T12]  _printk (kernel/printk/printk.c:2504)
[  137.252055][   T12]  ? snapshot_read.cold (user.c:?)
[  137.252057][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  137.252060][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  137.252062][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  137.252065][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  137.252071][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.252072][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  137.252073][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  137.252076][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  137.252078][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  137.252079][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  137.252082][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  137.252084][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  137.252088][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  137.252090][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  137.252093][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  137.252095][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  137.252097][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  137.252099][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  137.252101][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  137.252103][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.252105][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.252106][   T12]  process_one_work (kernel/workqueue.c:3387)
[  137.252109][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  137.252111][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  137.252113][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  137.252116][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  137.252119][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  137.252121][   T12]  kthread (kernel/kthread.c:436)
[  137.252122][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  137.252124][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  137.252126][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  137.252127][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  137.252129][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  137.252132][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  137.252134][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  138.523882][ T3566] softirqs last disabled at (0): 0x0
| [  138.523884][ T3566] Preemption disabled at:
| [  138.523885][ T3566] vprintk_emit (kernel/printk/printk.c:2471)
| [  138.523895][ T3566] Tainted: [W]=WARN
[  138.523896][ T3566] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  138.523897][ T3566] Call Trace:
[  138.523898][ T3566]  <TASK>
[  138.523900][ T3566]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  138.523906][ T3566]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  138.523907][ T3566]  __might_resched.cold (kernel/sched/core.c:9234)
[  138.523910][ T3566]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  138.523913][ T3566]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  138.523916][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.523918][ T3566]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  138.523921][ T3566]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  138.523924][ T3566]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  138.523929][ T3566]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  138.523931][ T3566]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  138.523933][ T3566]  put_chars (drivers/char/virtio_console.c:1176)
[  138.523935][ T3566]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  138.523937][ T3566]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  138.523939][ T3566]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  138.523944][ T3566]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  138.523946][ T3566]  ? vsnprintf (lib/vsprintf.c:2900)
[  138.523949][ T3566]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  138.523951][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.523952][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.523953][ T3566]  console_emit_next_record (kernel/printk/printk.c:3183)
[  138.523956][ T3566]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  138.523958][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.523959][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.523960][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.523961][ T3566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.523964][ T3566]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  138.523966][ T3566]  console_flush_one_record (kernel/printk/printk.c:3268)
[  138.523968][ T3566]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  138.523971][ T3566]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  138.523972][ T3566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.523974][ T3566]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  138.523976][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.523977][ T3566]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  138.523978][ T3566]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  138.523980][ T3566]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  138.523981][ T3566]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  138.523983][ T3566]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  138.523984][ T3566]  vprintk_emit (kernel/printk/printk.c:2479)
[  138.523986][ T3566]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  138.523987][ T3566]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  138.523989][ T3566]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  138.523992][ T3566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.523993][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.523994][ T3566]  _printk (kernel/printk/printk.c:2504)
[  138.523997][ T3566]  ? snapshot_read.cold (user.c:?)
[  138.523999][ T3566]  ? br_multicast_flood (??:?)
[  138.524003][ T3566]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  138.524006][ T3566]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  138.524007][ T3566]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  138.524009][ T3566]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  138.524011][ T3566]  br_init_port (net/bridge/br_stp_if.c:39)
[  138.524013][ T3566]  new_nbp (net/bridge/br_if.c:449)
[  138.524015][ T3566]  br_add_if (net/bridge/br_if.c:592)
[  138.524017][ T3566]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  138.524021][ T3566]  do_set_master (net/core/rtnetlink.c:3071)
[  138.524023][ T3566]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  138.524025][ T3566]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  138.524026][ T3566]  ? __dev_get_by_name (net/core/dev.c:905)
[  138.524028][ T3566]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  138.524032][ T3566]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  138.524034][ T3566]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  138.524036][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.524038][ T3566]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  138.524039][ T3566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.524040][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.524042][ T3566]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  138.524044][ T3566]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  138.524046][ T3566]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  138.524048][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.524049][ T3566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.524051][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.524052][ T3566]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  138.524053][ T3566]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  138.524055][ T3566]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  138.524056][ T3566]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  138.524058][ T3566]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  138.524061][ T3566]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  138.524064][ T3566]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  138.524066][ T3566]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  138.524070][ T3566]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  138.524071][ T3566]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  138.524074][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.524075][ T3566]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  138.524077][ T3566]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  138.524079][ T3566]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  138.524081][ T3566]  ? next_uptodate_folio (mm/filemap.c:3747)
[  138.524084][ T3566]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  138.524086][ T3566]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  138.524088][ T3566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.524089][ T3566]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  138.524093][ T3566]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  138.524096][ T3566]  ____sys_sendmsg (net/socket.c:2713)
[  138.524097][ T3566]  ? copy_msghdr_from_user (net/socket.c:2650)
[  138.524099][ T3566]  ? sock_write_iter (net/socket.c:1269)
[  138.524101][ T3566]  ? move_addr_to_kernel (net/socket.c:258)
[  138.524103][ T3566]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  138.524105][ T3566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.524107][ T3566]  ___sys_sendmsg (net/socket.c:2767)
[  138.524108][ T3566]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  138.524110][ T3566]  ? copy_msghdr_from_user (net/socket.c:2619)
[  138.524112][ T3566]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  138.524116][ T3566]  __sys_sendmsg (net/socket.c:2799)
[  138.524118][ T3566]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  138.524121][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.524122][ T3566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.524123][ T3566]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  138.524126][ T3566]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  138.524127][ T3566]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  138.524129][ T3566] RIP: 0033:0x7f914c11954e
[  138.524131][ T3566] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  138.524133][ T3566] RSP: 002b:00007ffec4017fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  138.524137][ T3566] RAX: ffffffffffffffda RBX: 00007ffec40187a8 RCX: 00007f914c11954e
[  138.524138][ T3566] RDX: 0000000000000000 RSI: 00007ffec4018090 RDI: 0000000000000005
[  138.524139][ T3566] RBP: 00007ffec4017ff0 R08: 0000000000000000 R09: 0000000000000000
[  138.524140][ T3566] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a38
[  138.524141][ T3566] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec4018760
| [  139.918432][ T3635] softirqs last disabled at (0): 0x0
| [  139.918433][ T3635] Preemption disabled at:
| [  139.918434][ T3635] vprintk_emit (kernel/printk/printk.c:2471)
| [  139.918444][ T3635] Tainted: [W]=WARN
[  139.918445][ T3635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  139.918446][ T3635] Call Trace:
[  139.918448][ T3635]  <TASK>
[  139.918449][ T3635]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  139.918455][ T3635]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  139.918461][ T3635]  __might_resched.cold (kernel/sched/core.c:9234)
[  139.918466][ T3635]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  139.918469][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918472][ T3635]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  139.918474][ T3635]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  139.918477][ T3635]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  139.918482][ T3635]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  139.918484][ T3635]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  139.918487][ T3635]  put_chars (drivers/char/virtio_console.c:1176)
[  139.918488][ T3635]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  139.918489][ T3635]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  139.918492][ T3635]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  139.918494][ T3635]  ? pointer (lib/vsprintf.c:2577)
[  139.918497][ T3635]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  139.918502][ T3635]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  139.918504][ T3635]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  139.918505][ T3635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.918508][ T3635]  console_emit_next_record (kernel/printk/printk.c:3183)
[  139.918511][ T3635]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  139.918513][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918514][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918515][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918516][ T3635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.918518][ T3635]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  139.918520][ T3635]  console_flush_one_record (kernel/printk/printk.c:3268)
[  139.918522][ T3635]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  139.918525][ T3635]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  139.918527][ T3635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.918528][ T3635]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  139.918530][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918531][ T3635]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  139.918532][ T3635]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  139.918534][ T3635]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  139.918535][ T3635]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  139.918537][ T3635]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  139.918539][ T3635]  vprintk_emit (kernel/printk/printk.c:2479)
[  139.918540][ T3635]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  139.918542][ T3635]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  139.918544][ T3635]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  139.918547][ T3635]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  139.918549][ T3635]  _printk (kernel/printk/printk.c:2504)
[  139.918552][ T3635]  ? snapshot_read.cold (user.c:?)
[  139.918554][ T3635]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  139.918557][ T3635]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  139.918560][ T3635]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  139.918563][ T3635]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  139.918567][ T3635]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  139.918570][ T3635]  ? netdev_notice (net/core/dev.c:13194)
[  139.918572][ T3635]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  139.918575][ T3635]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  139.918578][ T3635]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  139.918581][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918582][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918583][ T3635]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  139.918585][ T3635]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  139.918586][ T3635]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  139.918587][ T3635]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  139.918589][ T3635]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  139.918591][ T3635]  ? register_netdev (net/core/dev.c:11618)
[  139.918592][ T3635]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  139.918594][ T3635]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  139.918596][ T3635]  ? __kernel_text_address (kernel/extable.c:79)
[  139.918599][ T3635]  ? write_profile (profile.c:?)
[  139.918602][ T3635]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  139.918605][ T3635]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  139.918607][ T3635]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  139.918608][ T3635]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  139.918610][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918612][ T3635]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  139.918617][ T3635]  ? kasan_save_stack (mm/kasan/common.c:58)
[  139.918620][ T3635]  ? kasan_save_stack (mm/kasan/common.c:57)
[  139.918621][ T3635]  ? kasan_save_track (mm/kasan/common.c:78)
[  139.918623][ T3635]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  139.918625][ T3635]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  139.918626][ T3635]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  139.918627][ T3635]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  139.918628][ T3635]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  139.918631][ T3635]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  139.918633][ T3635]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  139.918634][ T3635]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  139.918637][ T3635]  ? ____sys_sendmsg (net/socket.c:2713)
[  139.918638][ T3635]  ? ___sys_sendmsg (net/socket.c:2767)
[  139.918640][ T3635]  ? __sys_sendmsg (net/socket.c:2799)
[  139.918641][ T3635]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  139.918644][ T3635]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  139.918646][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918648][ T3635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.918649][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918650][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918651][ T3635]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  139.918653][ T3635]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  139.918654][ T3635]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  139.918656][ T3635]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  139.918659][ T3635]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  139.918660][ T3635]  ? nla_get_range_signed (lib/nlattr.c:270)
[  139.918665][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918667][ T3635]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  139.918669][ T3635]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  139.918671][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918673][ T3635]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  139.918674][ T3635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.918676][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918677][ T3635]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  139.918679][ T3635]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  139.918681][ T3635]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  139.918682][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918683][ T3635]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  139.918686][ T3635]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  139.918689][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918690][ T3635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.918691][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918693][ T3635]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  139.918694][ T3635]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  139.918696][ T3635]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  139.918697][ T3635]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  139.918699][ T3635]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  139.918703][ T3635]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  139.918705][ T3635]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  139.918707][ T3635]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  139.918710][ T3635]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  139.918711][ T3635]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  139.918714][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918715][ T3635]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  139.918717][ T3635]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  139.918720][ T3635]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  139.918723][ T3635]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  139.918726][ T3635]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  139.918729][ T3635]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  139.918731][ T3635]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  139.918733][ T3635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.918734][ T3635]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  139.918737][ T3635]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  139.918739][ T3635]  ____sys_sendmsg (net/socket.c:2713)
[  139.918741][ T3635]  ? copy_msghdr_from_user (net/socket.c:2650)
[  139.918743][ T3635]  ? sock_write_iter (net/socket.c:1269)
[  139.918746][ T3635]  ? move_addr_to_kernel (net/socket.c:258)
[  139.918748][ T3635]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  139.918752][ T3635]  ___sys_sendmsg (net/socket.c:2767)
[  139.918754][ T3635]  ? copy_msghdr_from_user (net/socket.c:2619)
[  139.918759][ T3635]  __sys_sendmsg (net/socket.c:2799)
[  139.918761][ T3635]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  139.918764][ T3635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.918765][ T3635]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  139.918767][ T3635]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  139.918769][ T3635]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  139.918770][ T3635] RIP: 0033:0x7fe646a2b54e
[  139.918772][ T3635] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  139.918775][ T3635] RSP: 002b:00007ffc4c94f680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  139.918778][ T3635] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe646a2b54e
[  139.918780][ T3635] RDX: 0000000000000000 RSI: 00007ffc4c94f730 RDI: 0000000000000005
[  139.918781][ T3635] RBP: 00007ffc4c94f690 R08: 0000000000000000 R09: 0000000000000000
[  139.918781][ T3635] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a3a
[  139.918782][ T3635] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4c94fdf0
| [  141.056165][ T3685] softirqs last disabled at (0): 0x0
| [  141.056166][ T3685] Preemption disabled at:
| [  141.056167][ T3685] vprintk_emit (kernel/printk/printk.c:2471)
| [  141.056177][ T3685] Tainted: [W]=WARN
[  141.056178][ T3685] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  141.056181][ T3685] Call Trace:
[  141.056182][ T3685]  <TASK>
[  141.056183][ T3685]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  141.056189][ T3685]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  141.056191][ T3685]  __might_resched.cold (kernel/sched/core.c:9234)
[  141.056194][ T3685]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  141.056196][ T3685]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  141.056200][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056202][ T3685]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  141.056206][ T3685]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  141.056209][ T3685]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.056214][ T3685]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  141.056216][ T3685]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.056219][ T3685]  put_chars (drivers/char/virtio_console.c:1176)
[  141.056220][ T3685]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  141.056222][ T3685]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  141.056224][ T3685]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  141.056229][ T3685]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  141.056231][ T3685]  ? vsnprintf (lib/vsprintf.c:2900)
[  141.056234][ T3685]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  141.056236][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056237][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056239][ T3685]  console_emit_next_record (kernel/printk/printk.c:3183)
[  141.056241][ T3685]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  141.056243][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056244][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056245][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056246][ T3685]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.056249][ T3685]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  141.056251][ T3685]  console_flush_one_record (kernel/printk/printk.c:3268)
[  141.056253][ T3685]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  141.056256][ T3685]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  141.056258][ T3685]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.056259][ T3685]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  141.056261][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056262][ T3685]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.056263][ T3685]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  141.056265][ T3685]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  141.056266][ T3685]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  141.056268][ T3685]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  141.056270][ T3685]  vprintk_emit (kernel/printk/printk.c:2479)
[  141.056272][ T3685]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  141.056273][ T3685]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  141.056275][ T3685]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  141.056278][ T3685]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.056279][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056280][ T3685]  _printk (kernel/printk/printk.c:2504)
[  141.056284][ T3685]  ? snapshot_read.cold (user.c:?)
[  141.056286][ T3685]  ? br_multicast_flood (??:?)
[  141.056289][ T3685]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  141.056292][ T3685]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  141.056293][ T3685]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  141.056295][ T3685]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  141.056297][ T3685]  br_init_port (net/bridge/br_stp_if.c:39)
[  141.056299][ T3685]  new_nbp (net/bridge/br_if.c:449)
[  141.056301][ T3685]  br_add_if (net/bridge/br_if.c:592)
[  141.056303][ T3685]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  141.056307][ T3685]  do_set_master (net/core/rtnetlink.c:3071)
[  141.056309][ T3685]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  141.056311][ T3685]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  141.056312][ T3685]  ? __dev_get_by_name (net/core/dev.c:905)
[  141.056314][ T3685]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  141.056318][ T3685]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  141.056320][ T3685]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  141.056322][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056323][ T3685]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.056324][ T3685]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.056326][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056327][ T3685]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  141.056330][ T3685]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  141.056332][ T3685]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  141.056334][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056335][ T3685]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.056336][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056338][ T3685]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.056339][ T3685]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  141.056341][ T3685]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.056342][ T3685]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  141.056343][ T3685]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  141.056347][ T3685]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  141.056351][ T3685]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.056352][ T3685]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.056353][ T3685]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  141.056355][ T3685]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  141.056358][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056359][ T3685]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.056361][ T3685]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  141.056363][ T3685]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  141.056365][ T3685]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  141.056368][ T3685]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  141.056371][ T3685]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  141.056373][ T3685]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  141.056375][ T3685]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.056376][ T3685]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  141.056380][ T3685]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  141.056383][ T3685]  ____sys_sendmsg (net/socket.c:2713)
[  141.056385][ T3685]  ? copy_msghdr_from_user (net/socket.c:2650)
[  141.056386][ T3685]  ? sock_write_iter (net/socket.c:1269)
[  141.056388][ T3685]  ? move_addr_to_kernel (net/socket.c:258)
[  141.056390][ T3685]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  141.056392][ T3685]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.056394][ T3685]  ___sys_sendmsg (net/socket.c:2767)
[  141.056396][ T3685]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  141.056398][ T3685]  ? copy_msghdr_from_user (net/socket.c:2619)
[  141.056399][ T3685]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  141.056404][ T3685]  __sys_sendmsg (net/socket.c:2799)
[  141.056406][ T3685]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  141.056409][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056410][ T3685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056411][ T3685]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  141.056414][ T3685]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  141.056416][ T3685]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  141.056418][ T3685] RIP: 0033:0x7fdad661f54e
[  141.056420][ T3685] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  141.056421][ T3685] RSP: 002b:00007ffea2c2bbc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  141.056425][ T3685] RAX: ffffffffffffffda RBX: 00007ffea2c2c388 RCX: 00007fdad661f54e
[  141.056427][ T3685] RDX: 0000000000000000 RSI: 00007ffea2c2bc70 RDI: 0000000000000005
[  141.056427][ T3685] RBP: 00007ffea2c2bbd0 R08: 0000000000000000 R09: 0000000000000000
[  141.056428][ T3685] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a3b
[  141.056429][ T3685] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea2c2c340
| [  148.123215][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  148.123217][   T12] Preemption disabled at:
| [  148.123218][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  148.123227][   T12] Tainted: [W]=WARN
[  148.123228][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.123230][   T12] Workqueue: netns cleanup_net
[  148.123237][   T12] Call Trace:
[  148.123238][   T12]  <TASK>
[  148.123240][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  148.123245][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  148.123247][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  148.123250][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  148.123252][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  148.123255][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.123258][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  148.123261][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  148.123263][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.123268][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  148.123269][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.123272][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  148.123274][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  148.123276][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  148.123278][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  148.123283][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  148.123285][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  148.123288][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  148.123289][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.123290][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.123292][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  148.123295][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  148.123297][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.123298][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.123299][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.123300][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.123302][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  148.123304][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  148.123306][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  148.123309][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  148.123311][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.123313][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  148.123314][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.123315][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  148.123317][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  148.123318][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  148.123320][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  148.123322][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  148.123323][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  148.123325][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  148.123326][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  148.123327][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  148.123330][   T12]  ? kthread (kernel/kthread.c:436)
[  148.123332][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  148.123335][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  148.123338][   T12]  _printk (kernel/printk/printk.c:2504)
[  148.123341][   T12]  ? snapshot_read.cold (user.c:?)
[  148.123343][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  148.123346][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  148.123349][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  148.123351][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  148.123353][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.123354][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  148.123356][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  148.123359][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  148.123360][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  148.123362][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  148.123364][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  148.123366][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  148.123370][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  148.123372][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  148.123375][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  148.123377][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  148.123379][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  148.123382][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  148.123383][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  148.123385][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.123387][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.123389][   T12]  process_one_work (kernel/workqueue.c:3387)
[  148.123391][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  148.123393][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  148.123396][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  148.123398][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  148.123401][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  148.123403][   T12]  kthread (kernel/kthread.c:436)
[  148.123404][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  148.123406][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  148.123408][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  148.123410][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  148.123412][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  148.123415][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  148.123417][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  149.460494][ T3944] softirqs last disabled at (0): 0x0
| [  149.460496][ T3944] Preemption disabled at:
| [  149.460497][ T3944] vprintk_emit (kernel/printk/printk.c:2471)
| [  149.460507][ T3944] Tainted: [W]=WARN
[  149.460508][ T3944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  149.460510][ T3944] Call Trace:
[  149.460511][ T3944]  <TASK>
[  149.460512][ T3944]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  149.460524][ T3944]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  149.460525][ T3944]  __might_resched.cold (kernel/sched/core.c:9234)
[  149.460529][ T3944]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  149.460531][ T3944]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  149.460534][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460537][ T3944]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  149.460540][ T3944]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.460543][ T3944]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.460548][ T3944]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  149.460550][ T3944]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.460552][ T3944]  put_chars (drivers/char/virtio_console.c:1176)
[  149.460554][ T3944]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  149.460555][ T3944]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  149.460558][ T3944]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  149.460563][ T3944]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  149.460565][ T3944]  ? vsnprintf (lib/vsprintf.c:2900)
[  149.460568][ T3944]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.460570][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460571][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460573][ T3944]  console_emit_next_record (kernel/printk/printk.c:3183)
[  149.460575][ T3944]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  149.460577][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460578][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460579][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460580][ T3944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.460583][ T3944]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  149.460585][ T3944]  console_flush_one_record (kernel/printk/printk.c:3268)
[  149.460587][ T3944]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  149.460590][ T3944]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  149.460592][ T3944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.460593][ T3944]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  149.460595][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460596][ T3944]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.460598][ T3944]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  149.460599][ T3944]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  149.460601][ T3944]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  149.460603][ T3944]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  149.460604][ T3944]  vprintk_emit (kernel/printk/printk.c:2479)
[  149.460606][ T3944]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  149.460607][ T3944]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.460609][ T3944]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  149.460612][ T3944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.460613][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460615][ T3944]  _printk (kernel/printk/printk.c:2504)
[  149.460618][ T3944]  ? snapshot_read.cold (user.c:?)
[  149.460620][ T3944]  ? br_multicast_flood (??:?)
[  149.460623][ T3944]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  149.460626][ T3944]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  149.460627][ T3944]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  149.460629][ T3944]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  149.460632][ T3944]  br_init_port (net/bridge/br_stp_if.c:39)
[  149.460634][ T3944]  new_nbp (net/bridge/br_if.c:449)
[  149.460637][ T3944]  br_add_if (net/bridge/br_if.c:592)
[  149.460639][ T3944]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  149.460643][ T3944]  do_set_master (net/core/rtnetlink.c:3071)
[  149.460646][ T3944]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  149.460648][ T3944]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  149.460649][ T3944]  ? __dev_get_by_name (net/core/dev.c:905)
[  149.460651][ T3944]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  149.460655][ T3944]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  149.460658][ T3944]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  149.460660][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460662][ T3944]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  149.460663][ T3944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.460665][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460667][ T3944]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  149.460670][ T3944]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  149.460672][ T3944]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  149.460674][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460676][ T3944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.460677][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460679][ T3944]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  149.460680][ T3944]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  149.460682][ T3944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  149.460684][ T3944]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  149.460686][ T3944]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  149.460690][ T3944]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  149.460693][ T3944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  149.460694][ T3944]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.460696][ T3944]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  149.460698][ T3944]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  149.460700][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460701][ T3944]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.460703][ T3944]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  149.460706][ T3944]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  149.460708][ T3944]  ? next_uptodate_folio (mm/filemap.c:3747)
[  149.460711][ T3944]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  149.460713][ T3944]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  149.460715][ T3944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.460716][ T3944]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  149.460720][ T3944]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  149.460723][ T3944]  ____sys_sendmsg (net/socket.c:2713)
[  149.460725][ T3944]  ? copy_msghdr_from_user (net/socket.c:2650)
[  149.460726][ T3944]  ? sock_write_iter (net/socket.c:1269)
[  149.460728][ T3944]  ? move_addr_to_kernel (net/socket.c:258)
[  149.460730][ T3944]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  149.460732][ T3944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.460734][ T3944]  ___sys_sendmsg (net/socket.c:2767)
[  149.460736][ T3944]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  149.460738][ T3944]  ? copy_msghdr_from_user (net/socket.c:2619)
[  149.460739][ T3944]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  149.460744][ T3944]  __sys_sendmsg (net/socket.c:2799)
[  149.460746][ T3944]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  149.460749][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460750][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.460751][ T3944]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  149.460754][ T3944]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  149.460756][ T3944]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  149.460758][ T3944] RIP: 0033:0x7f9b73ff254e
[  149.460760][ T3944] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  149.460762][ T3944] RSP: 002b:00007ffc8123fa80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  149.460765][ T3944] RAX: ffffffffffffffda RBX: 00007ffc81240248 RCX: 00007f9b73ff254e
[  149.460767][ T3944] RDX: 0000000000000000 RSI: 00007ffc8123fb30 RDI: 0000000000000005
[  149.460768][ T3944] RBP: 00007ffc8123fa90 R08: 0000000000000000 R09: 0000000000000000
[  149.460769][ T3944] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a43
[  149.460770][ T3944] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc81240200
| [  150.867342][ T4013] softirqs last disabled at (0): 0x0
| [  150.867344][ T4013] Preemption disabled at:
| [  150.867344][ T4013] vprintk_emit (kernel/printk/printk.c:2471)
| [  150.867355][ T4013] Tainted: [W]=WARN
[  150.867357][ T4013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  150.867358][ T4013] Call Trace:
[  150.867360][ T4013]  <TASK>
[  150.867361][ T4013]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  150.867367][ T4013]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  150.867368][ T4013]  __might_resched.cold (kernel/sched/core.c:9234)
[  150.867372][ T4013]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  150.867375][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867378][ T4013]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  150.867381][ T4013]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  150.867384][ T4013]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  150.867390][ T4013]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  150.867391][ T4013]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  150.867394][ T4013]  put_chars (drivers/char/virtio_console.c:1176)
[  150.867396][ T4013]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  150.867397][ T4013]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  150.867400][ T4013]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  150.867402][ T4013]  ? pointer (lib/vsprintf.c:2577)
[  150.867405][ T4013]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  150.867410][ T4013]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  150.867412][ T4013]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  150.867414][ T4013]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.867417][ T4013]  console_emit_next_record (kernel/printk/printk.c:3183)
[  150.867420][ T4013]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  150.867422][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867423][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867424][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867425][ T4013]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.867427][ T4013]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  150.867429][ T4013]  console_flush_one_record (kernel/printk/printk.c:3268)
[  150.867432][ T4013]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  150.867435][ T4013]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  150.867437][ T4013]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.867439][ T4013]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  150.867440][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867442][ T4013]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  150.867443][ T4013]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  150.867445][ T4013]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  150.867447][ T4013]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  150.867449][ T4013]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  150.867451][ T4013]  vprintk_emit (kernel/printk/printk.c:2479)
[  150.867453][ T4013]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  150.867454][ T4013]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  150.867457][ T4013]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  150.867460][ T4013]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  150.867462][ T4013]  _printk (kernel/printk/printk.c:2504)
[  150.867465][ T4013]  ? snapshot_read.cold (user.c:?)
[  150.867467][ T4013]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  150.867470][ T4013]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  150.867473][ T4013]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  150.867475][ T4013]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  150.867478][ T4013]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  150.867481][ T4013]  ? netdev_notice (net/core/dev.c:13194)
[  150.867483][ T4013]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  150.867485][ T4013]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  150.867487][ T4013]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  150.867489][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867490][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867491][ T4013]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  150.867493][ T4013]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  150.867494][ T4013]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  150.867496][ T4013]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  150.867497][ T4013]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  150.867499][ T4013]  ? register_netdev (net/core/dev.c:11618)
[  150.867500][ T4013]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  150.867502][ T4013]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  150.867505][ T4013]  ? __kernel_text_address (kernel/extable.c:79)
[  150.867507][ T4013]  ? write_profile (profile.c:?)
[  150.867510][ T4013]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  150.867514][ T4013]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  150.867516][ T4013]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  150.867517][ T4013]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  150.867519][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867520][ T4013]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  150.867527][ T4013]  ? kasan_save_stack (mm/kasan/common.c:58)
[  150.867530][ T4013]  ? kasan_save_stack (mm/kasan/common.c:57)
[  150.867531][ T4013]  ? kasan_save_track (mm/kasan/common.c:78)
[  150.867532][ T4013]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  150.867533][ T4013]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  150.867535][ T4013]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  150.867536][ T4013]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  150.867537][ T4013]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  150.867540][ T4013]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  150.867542][ T4013]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  150.867543][ T4013]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  150.867546][ T4013]  ? ____sys_sendmsg (net/socket.c:2713)
[  150.867548][ T4013]  ? ___sys_sendmsg (net/socket.c:2767)
[  150.867549][ T4013]  ? __sys_sendmsg (net/socket.c:2799)
[  150.867551][ T4013]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  150.867553][ T4013]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  150.867556][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867557][ T4013]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.867558][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867560][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867561][ T4013]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  150.867562][ T4013]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  150.867564][ T4013]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  150.867565][ T4013]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  150.867567][ T4013]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  150.867568][ T4013]  ? nla_get_range_signed (lib/nlattr.c:270)
[  150.867571][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867572][ T4013]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  150.867574][ T4013]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  150.867576][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867578][ T4013]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  150.867579][ T4013]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.867581][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867582][ T4013]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  150.867584][ T4013]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  150.867586][ T4013]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  150.867588][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867589][ T4013]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  150.867592][ T4013]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  150.867595][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867596][ T4013]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.867597][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867599][ T4013]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  150.867600][ T4013]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  150.867602][ T4013]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  150.867603][ T4013]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  150.867605][ T4013]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  150.867607][ T4013]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  150.867609][ T4013]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  150.867611][ T4013]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  150.867612][ T4013]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  150.867614][ T4013]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  150.867617][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867618][ T4013]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  150.867620][ T4013]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  150.867622][ T4013]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  150.867624][ T4013]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  150.867627][ T4013]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  150.867629][ T4013]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  150.867631][ T4013]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  150.867633][ T4013]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.867634][ T4013]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  150.867638][ T4013]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  150.867640][ T4013]  ____sys_sendmsg (net/socket.c:2713)
[  150.867642][ T4013]  ? copy_msghdr_from_user (net/socket.c:2650)
[  150.867643][ T4013]  ? sock_write_iter (net/socket.c:1269)
[  150.867645][ T4013]  ? move_addr_to_kernel (net/socket.c:258)
[  150.867646][ T4013]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  150.867649][ T4013]  ___sys_sendmsg (net/socket.c:2767)
[  150.867651][ T4013]  ? copy_msghdr_from_user (net/socket.c:2619)
[  150.867656][ T4013]  __sys_sendmsg (net/socket.c:2799)
[  150.867658][ T4013]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  150.867661][ T4013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.867663][ T4013]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  150.867665][ T4013]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  150.867667][ T4013]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  150.867668][ T4013] RIP: 0033:0x7f516b0a354e
[  150.867670][ T4013] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  150.867672][ T4013] RSP: 002b:00007ffe0dfc1e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  150.867676][ T4013] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f516b0a354e
[  150.867677][ T4013] RDX: 0000000000000000 RSI: 00007ffe0dfc1f40 RDI: 0000000000000005
[  150.867678][ T4013] RBP: 00007ffe0dfc1ea0 R08: 0000000000000000 R09: 0000000000000000
[  150.867679][ T4013] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a45
[  150.867680][ T4013] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0dfc2600
| [  152.074388][ T4070] softirqs last disabled at (0): 0x0
| [  152.074390][ T4070] Preemption disabled at:
| [  152.074390][ T4070] vprintk_emit (kernel/printk/printk.c:2471)
| [  152.074400][ T4070] Tainted: [W]=WARN
[  152.074401][ T4070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  152.074403][ T4070] Call Trace:
[  152.074404][ T4070]  <TASK>
[  152.074406][ T4070]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  152.074411][ T4070]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  152.074413][ T4070]  __might_resched.cold (kernel/sched/core.c:9234)
[  152.074417][ T4070]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  152.074419][ T4070]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  152.074422][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074425][ T4070]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  152.074428][ T4070]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.074431][ T4070]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.074436][ T4070]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  152.074438][ T4070]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.074441][ T4070]  put_chars (drivers/char/virtio_console.c:1176)
[  152.074443][ T4070]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  152.074445][ T4070]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  152.074447][ T4070]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  152.074452][ T4070]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  152.074454][ T4070]  ? vsnprintf (lib/vsprintf.c:2900)
[  152.074457][ T4070]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.074459][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074460][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074462][ T4070]  console_emit_next_record (kernel/printk/printk.c:3183)
[  152.074465][ T4070]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  152.074467][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074468][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074469][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074470][ T4070]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.074472][ T4070]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  152.074474][ T4070]  console_flush_one_record (kernel/printk/printk.c:3268)
[  152.074476][ T4070]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  152.074479][ T4070]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  152.074481][ T4070]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.074483][ T4070]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  152.074484][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074486][ T4070]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.074487][ T4070]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  152.074489][ T4070]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  152.074490][ T4070]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  152.074492][ T4070]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  152.074494][ T4070]  vprintk_emit (kernel/printk/printk.c:2479)
[  152.074496][ T4070]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  152.074497][ T4070]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.074499][ T4070]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  152.074502][ T4070]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.074503][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074505][ T4070]  _printk (kernel/printk/printk.c:2504)
[  152.074507][ T4070]  ? snapshot_read.cold (user.c:?)
[  152.074510][ T4070]  ? br_multicast_flood (??:?)
[  152.074513][ T4070]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  152.074516][ T4070]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  152.074517][ T4070]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  152.074519][ T4070]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  152.074521][ T4070]  br_init_port (net/bridge/br_stp_if.c:39)
[  152.074523][ T4070]  new_nbp (net/bridge/br_if.c:449)
[  152.074525][ T4070]  br_add_if (net/bridge/br_if.c:592)
[  152.074527][ T4070]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  152.074536][ T4070]  do_set_master (net/core/rtnetlink.c:3071)
[  152.074539][ T4070]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  152.074540][ T4070]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  152.074542][ T4070]  ? __dev_get_by_name (net/core/dev.c:905)
[  152.074544][ T4070]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  152.074547][ T4070]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  152.074550][ T4070]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  152.074552][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074553][ T4070]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.074554][ T4070]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.074556][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074557][ T4070]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  152.074560][ T4070]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  152.074562][ T4070]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  152.074564][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074565][ T4070]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.074567][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074568][ T4070]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.074569][ T4070]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  152.074571][ T4070]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.074573][ T4070]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  152.074574][ T4070]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  152.074578][ T4070]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  152.074581][ T4070]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.074583][ T4070]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.074585][ T4070]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  152.074586][ T4070]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  152.074589][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074590][ T4070]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.074592][ T4070]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  152.074595][ T4070]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  152.074597][ T4070]  ? next_uptodate_folio (mm/filemap.c:3747)
[  152.074600][ T4070]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  152.074602][ T4070]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  152.074604][ T4070]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.074606][ T4070]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  152.074609][ T4070]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  152.074612][ T4070]  ____sys_sendmsg (net/socket.c:2713)
[  152.074614][ T4070]  ? copy_msghdr_from_user (net/socket.c:2650)
[  152.074616][ T4070]  ? sock_write_iter (net/socket.c:1269)
[  152.074617][ T4070]  ? move_addr_to_kernel (net/socket.c:258)
[  152.074620][ T4070]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  152.074622][ T4070]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.074624][ T4070]  ___sys_sendmsg (net/socket.c:2767)
[  152.074626][ T4070]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  152.074628][ T4070]  ? copy_msghdr_from_user (net/socket.c:2619)
[  152.074629][ T4070]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  152.074634][ T4070]  __sys_sendmsg (net/socket.c:2799)
[  152.074636][ T4070]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  152.074639][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074640][ T4070]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.074642][ T4070]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  152.074644][ T4070]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  152.074646][ T4070]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.074648][ T4070] RIP: 0033:0x7f0b7ba1154e
[  152.074650][ T4070] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  152.074652][ T4070] RSP: 002b:00007ffd0148da20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  152.074656][ T4070] RAX: ffffffffffffffda RBX: 00007ffd0148e1e8 RCX: 00007f0b7ba1154e
[  152.074658][ T4070] RDX: 0000000000000000 RSI: 00007ffd0148dad0 RDI: 0000000000000005
[  152.074658][ T4070] RBP: 00007ffd0148da30 R08: 0000000000000000 R09: 0000000000000000
[  152.074659][ T4070] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a46
[  152.074660][ T4070] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0148e1a0
| [  159.143824][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  159.143827][   T12] Preemption disabled at:
| [  159.143828][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  159.143837][   T12] Tainted: [W]=WARN
[  159.143838][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  159.143839][   T12] Workqueue: netns cleanup_net
[  159.143845][   T12] Call Trace:
[  159.143847][   T12]  <TASK>
[  159.143848][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  159.143854][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  159.143855][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  159.143859][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  159.143861][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  159.143864][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.143866][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  159.143869][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  159.143872][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  159.143876][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  159.143878][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  159.143881][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  159.143883][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  159.143884][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  159.143887][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  159.143892][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  159.143894][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  159.143897][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  159.143899][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.143900][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.143902][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  159.143904][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  159.143906][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.143907][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.143908][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.143909][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  159.143912][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  159.143914][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  159.143916][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  159.143919][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  159.143921][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  159.143922][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  159.143924][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.143925][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  159.143927][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  159.143928][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  159.143930][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  159.143931][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  159.143933][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  159.143934][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  159.143936][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  159.143937][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  159.143940][   T12]  ? kthread (kernel/kthread.c:436)
[  159.143942][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  159.143945][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  159.143947][   T12]  _printk (kernel/printk/printk.c:2504)
[  159.143951][   T12]  ? snapshot_read.cold (user.c:?)
[  159.143953][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  159.143956][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  159.143958][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  159.143961][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  159.143963][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.143964][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  159.143965][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  159.143968][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  159.143970][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  159.143971][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  159.143973][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  159.143976][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  159.143980][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  159.143982][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  159.143985][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  159.143987][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  159.143989][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  159.143992][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  159.143994][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  159.143996][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  159.143997][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.143999][   T12]  process_one_work (kernel/workqueue.c:3387)
[  159.144002][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  159.144004][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  159.144006][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  159.144008][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  159.144011][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  159.144013][   T12]  kthread (kernel/kthread.c:436)
[  159.144015][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  159.144017][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  159.144019][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  159.144020][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  159.144022][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  159.144025][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  159.144027][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  160.378142][ T4328] softirqs last disabled at (0): 0x0
| [  160.378143][ T4328] Preemption disabled at:
| [  160.378144][ T4328] vprintk_emit (kernel/printk/printk.c:2471)
| [  160.378154][ T4328] Tainted: [W]=WARN
[  160.378155][ T4328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  160.378157][ T4328] Call Trace:
[  160.378158][ T4328]  <TASK>
[  160.378159][ T4328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  160.378165][ T4328]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  160.378167][ T4328]  __might_resched.cold (kernel/sched/core.c:9234)
[  160.378170][ T4328]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  160.378172][ T4328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  160.378175][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378178][ T4328]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  160.378181][ T4328]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.378184][ T4328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.378189][ T4328]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  160.378191][ T4328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.378193][ T4328]  put_chars (drivers/char/virtio_console.c:1176)
[  160.378195][ T4328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  160.378197][ T4328]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  160.378199][ T4328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  160.378204][ T4328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  160.378206][ T4328]  ? vsnprintf (lib/vsprintf.c:2900)
[  160.378209][ T4328]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.378211][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378212][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378214][ T4328]  console_emit_next_record (kernel/printk/printk.c:3183)
[  160.378216][ T4328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  160.378218][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378219][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378221][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378222][ T4328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.378224][ T4328]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  160.378226][ T4328]  console_flush_one_record (kernel/printk/printk.c:3268)
[  160.378228][ T4328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  160.378231][ T4328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  160.378233][ T4328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.378235][ T4328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  160.378236][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378237][ T4328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.378239][ T4328]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  160.378240][ T4328]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  160.378242][ T4328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  160.378244][ T4328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  160.378245][ T4328]  vprintk_emit (kernel/printk/printk.c:2479)
[  160.378247][ T4328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  160.378248][ T4328]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.378250][ T4328]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  160.378252][ T4328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.378254][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378256][ T4328]  _printk (kernel/printk/printk.c:2504)
[  160.378259][ T4328]  ? snapshot_read.cold (user.c:?)
[  160.378261][ T4328]  ? br_multicast_flood (??:?)
[  160.378264][ T4328]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  160.378267][ T4328]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  160.378268][ T4328]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.378270][ T4328]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  160.378273][ T4328]  br_init_port (net/bridge/br_stp_if.c:39)
[  160.378274][ T4328]  new_nbp (net/bridge/br_if.c:449)
[  160.378277][ T4328]  br_add_if (net/bridge/br_if.c:592)
[  160.378278][ T4328]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  160.378283][ T4328]  do_set_master (net/core/rtnetlink.c:3071)
[  160.378285][ T4328]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  160.378287][ T4328]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  160.378288][ T4328]  ? __dev_get_by_name (net/core/dev.c:905)
[  160.378290][ T4328]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  160.378293][ T4328]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  160.378296][ T4328]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.378298][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378299][ T4328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.378300][ T4328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.378302][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378303][ T4328]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  160.378306][ T4328]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  160.378308][ T4328]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  160.378310][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378311][ T4328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.378313][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378314][ T4328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.378315][ T4328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.378317][ T4328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.378318][ T4328]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  160.378320][ T4328]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  160.378324][ T4328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  160.378327][ T4328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.378328][ T4328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.378330][ T4328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  160.378331][ T4328]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  160.378334][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378335][ T4328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.378337][ T4328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  160.378339][ T4328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  160.378341][ T4328]  ? next_uptodate_folio (mm/filemap.c:3747)
[  160.378344][ T4328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  160.378347][ T4328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  160.378349][ T4328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.378350][ T4328]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  160.378354][ T4328]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  160.378357][ T4328]  ____sys_sendmsg (net/socket.c:2713)
[  160.378358][ T4328]  ? copy_msghdr_from_user (net/socket.c:2650)
[  160.378360][ T4328]  ? sock_write_iter (net/socket.c:1269)
[  160.378362][ T4328]  ? move_addr_to_kernel (net/socket.c:258)
[  160.378364][ T4328]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  160.378366][ T4328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.378368][ T4328]  ___sys_sendmsg (net/socket.c:2767)
[  160.378370][ T4328]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  160.378372][ T4328]  ? copy_msghdr_from_user (net/socket.c:2619)
[  160.378373][ T4328]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  160.378378][ T4328]  __sys_sendmsg (net/socket.c:2799)
[  160.378380][ T4328]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  160.378383][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378384][ T4328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.378385][ T4328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  160.378388][ T4328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  160.378390][ T4328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  160.378392][ T4328] RIP: 0033:0x7faefab3a54e
[  160.378394][ T4328] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  160.378395][ T4328] RSP: 002b:00007ffdfadc1ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  160.378399][ T4328] RAX: ffffffffffffffda RBX: 00007ffdfadc2668 RCX: 00007faefab3a54e
[  160.378401][ T4328] RDX: 0000000000000000 RSI: 00007ffdfadc1f50 RDI: 0000000000000005
[  160.378402][ T4328] RBP: 00007ffdfadc1eb0 R08: 0000000000000000 R09: 0000000000000000
[  160.378402][ T4328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a4e
[  160.378403][ T4328] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfadc2620
| [  161.938312][ T4395] softirqs last disabled at (0): 0x0
| [  161.938314][ T4395] Preemption disabled at:
| [  161.938315][ T4395] vprintk_emit (kernel/printk/printk.c:2471)
| [  161.938325][ T4395] Tainted: [W]=WARN
[  161.938326][ T4395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  161.938328][ T4395] Call Trace:
[  161.938329][ T4395]  <TASK>
[  161.938330][ T4395]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  161.938336][ T4395]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  161.938338][ T4395]  __might_resched.cold (kernel/sched/core.c:9234)
[  161.938341][ T4395]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  161.938345][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938347][ T4395]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  161.938350][ T4395]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  161.938353][ T4395]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.938358][ T4395]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  161.938360][ T4395]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.938363][ T4395]  put_chars (drivers/char/virtio_console.c:1176)
[  161.938364][ T4395]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  161.938366][ T4395]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  161.938368][ T4395]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  161.938370][ T4395]  ? pointer (lib/vsprintf.c:2577)
[  161.938374][ T4395]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  161.938378][ T4395]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  161.938380][ T4395]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  161.938382][ T4395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.938385][ T4395]  console_emit_next_record (kernel/printk/printk.c:3183)
[  161.938388][ T4395]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  161.938390][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938391][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938392][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938393][ T4395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.938395][ T4395]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  161.938397][ T4395]  console_flush_one_record (kernel/printk/printk.c:3268)
[  161.938399][ T4395]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  161.938402][ T4395]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  161.938404][ T4395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.938406][ T4395]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  161.938407][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938408][ T4395]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.938410][ T4395]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  161.938412][ T4395]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  161.938413][ T4395]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  161.938415][ T4395]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  161.938417][ T4395]  vprintk_emit (kernel/printk/printk.c:2479)
[  161.938418][ T4395]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  161.938419][ T4395]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  161.938422][ T4395]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  161.938425][ T4395]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  161.938427][ T4395]  _printk (kernel/printk/printk.c:2504)
[  161.938430][ T4395]  ? snapshot_read.cold (user.c:?)
[  161.938433][ T4395]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  161.938435][ T4395]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  161.938438][ T4395]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  161.938440][ T4395]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  161.938443][ T4395]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  161.938445][ T4395]  ? netdev_notice (net/core/dev.c:13194)
[  161.938448][ T4395]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  161.938449][ T4395]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  161.938452][ T4395]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  161.938454][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938455][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938456][ T4395]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  161.938457][ T4395]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  161.938459][ T4395]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  161.938460][ T4395]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  161.938461][ T4395]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  161.938463][ T4395]  ? register_netdev (net/core/dev.c:11618)
[  161.938465][ T4395]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.938467][ T4395]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  161.938469][ T4395]  ? __kernel_text_address (kernel/extable.c:79)
[  161.938472][ T4395]  ? write_profile (profile.c:?)
[  161.938475][ T4395]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  161.938478][ T4395]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  161.938480][ T4395]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  161.938482][ T4395]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  161.938483][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938484][ T4395]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  161.938487][ T4395]  ? kasan_save_stack (mm/kasan/common.c:58)
[  161.938489][ T4395]  ? kasan_save_stack (mm/kasan/common.c:57)
[  161.938490][ T4395]  ? kasan_save_track (mm/kasan/common.c:78)
[  161.938492][ T4395]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  161.938493][ T4395]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  161.938494][ T4395]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  161.938495][ T4395]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  161.938496][ T4395]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  161.938499][ T4395]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  161.938501][ T4395]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  161.938503][ T4395]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  161.938505][ T4395]  ? ____sys_sendmsg (net/socket.c:2713)
[  161.938507][ T4395]  ? ___sys_sendmsg (net/socket.c:2767)
[  161.938508][ T4395]  ? __sys_sendmsg (net/socket.c:2799)
[  161.938510][ T4395]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  161.938513][ T4395]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.938515][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938516][ T4395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.938518][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938519][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938520][ T4395]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  161.938522][ T4395]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  161.938523][ T4395]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  161.938524][ T4395]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  161.938526][ T4395]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  161.938527][ T4395]  ? nla_get_range_signed (lib/nlattr.c:270)
[  161.938530][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938532][ T4395]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  161.938534][ T4395]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  161.938536][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938537][ T4395]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  161.938539][ T4395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.938540][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938542][ T4395]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  161.938544][ T4395]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  161.938545][ T4395]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  161.938547][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938548][ T4395]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  161.938552][ T4395]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  161.938554][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938555][ T4395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.938557][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938558][ T4395]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  161.938559][ T4395]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  161.938561][ T4395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  161.938562][ T4395]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  161.938564][ T4395]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  161.938566][ T4395]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  161.938568][ T4395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  161.938569][ T4395]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.938571][ T4395]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  161.938573][ T4395]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  161.938576][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938577][ T4395]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.938579][ T4395]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  161.938581][ T4395]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  161.938583][ T4395]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.938585][ T4395]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  161.938587][ T4395]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  161.938589][ T4395]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  161.938590][ T4395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.938599][ T4395]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  161.938603][ T4395]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  161.938604][ T4395]  ____sys_sendmsg (net/socket.c:2713)
[  161.938606][ T4395]  ? copy_msghdr_from_user (net/socket.c:2650)
[  161.938608][ T4395]  ? sock_write_iter (net/socket.c:1269)
[  161.938610][ T4395]  ? move_addr_to_kernel (net/socket.c:258)
[  161.938611][ T4395]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  161.938614][ T4395]  ___sys_sendmsg (net/socket.c:2767)
[  161.938616][ T4395]  ? copy_msghdr_from_user (net/socket.c:2619)
[  161.938620][ T4395]  __sys_sendmsg (net/socket.c:2799)
[  161.938623][ T4395]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  161.938627][ T4395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.938629][ T4395]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  161.938631][ T4395]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  161.938633][ T4395]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.938634][ T4395] RIP: 0033:0x7f86d3adc54e
[  161.938636][ T4395] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  161.938638][ T4395] RSP: 002b:00007fffb6242960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  161.938641][ T4395] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f86d3adc54e
[  161.938643][ T4395] RDX: 0000000000000000 RSI: 00007fffb6242a10 RDI: 0000000000000005
[  161.938644][ T4395] RBP: 00007fffb6242970 R08: 0000000000000000 R09: 0000000000000000
[  161.938645][ T4395] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a50
[  161.938646][ T4395] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb62430d0
| [  163.241137][ T4454] softirqs last disabled at (0): 0x0
| [  163.241139][ T4454] Preemption disabled at:
| [  163.241140][ T4454] vprintk_emit (kernel/printk/printk.c:2471)
| [  163.241151][ T4454] Tainted: [W]=WARN
[  163.241152][ T4454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  163.241154][ T4454] Call Trace:
[  163.241155][ T4454]  <TASK>
[  163.241157][ T4454]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  163.241162][ T4454]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  163.241164][ T4454]  __might_resched.cold (kernel/sched/core.c:9234)
[  163.241167][ T4454]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  163.241170][ T4454]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  163.241173][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241175][ T4454]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  163.241178][ T4454]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.241181][ T4454]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  163.241186][ T4454]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  163.241188][ T4454]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  163.241190][ T4454]  put_chars (drivers/char/virtio_console.c:1176)
[  163.241192][ T4454]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  163.241194][ T4454]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  163.241196][ T4454]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  163.241201][ T4454]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  163.241203][ T4454]  ? vsnprintf (lib/vsprintf.c:2900)
[  163.241206][ T4454]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.241208][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241209][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241211][ T4454]  console_emit_next_record (kernel/printk/printk.c:3183)
[  163.241213][ T4454]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  163.241216][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241217][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241218][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241219][ T4454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.241222][ T4454]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  163.241224][ T4454]  console_flush_one_record (kernel/printk/printk.c:3268)
[  163.241226][ T4454]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  163.241229][ T4454]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  163.241231][ T4454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.241232][ T4454]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  163.241234][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241235][ T4454]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.241236][ T4454]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  163.241238][ T4454]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  163.241240][ T4454]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  163.241241][ T4454]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  163.241243][ T4454]  vprintk_emit (kernel/printk/printk.c:2479)
[  163.241245][ T4454]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  163.241246][ T4454]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.241248][ T4454]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  163.241250][ T4454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.241252][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241253][ T4454]  _printk (kernel/printk/printk.c:2504)
[  163.241256][ T4454]  ? snapshot_read.cold (user.c:?)
[  163.241258][ T4454]  ? br_multicast_flood (??:?)
[  163.241262][ T4454]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  163.241265][ T4454]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  163.241266][ T4454]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  163.241268][ T4454]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  163.241271][ T4454]  br_init_port (net/bridge/br_stp_if.c:39)
[  163.241272][ T4454]  new_nbp (net/bridge/br_if.c:449)
[  163.241275][ T4454]  br_add_if (net/bridge/br_if.c:592)
[  163.241277][ T4454]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  163.241281][ T4454]  do_set_master (net/core/rtnetlink.c:3071)
[  163.241283][ T4454]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  163.241285][ T4454]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  163.241286][ T4454]  ? __dev_get_by_name (net/core/dev.c:905)
[  163.241288][ T4454]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  163.241291][ T4454]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  163.241294][ T4454]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  163.241296][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241297][ T4454]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  163.241298][ T4454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.241300][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241301][ T4454]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  163.241304][ T4454]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  163.241306][ T4454]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  163.241308][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241309][ T4454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.241311][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241312][ T4454]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  163.241313][ T4454]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  163.241315][ T4454]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  163.241317][ T4454]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  163.241318][ T4454]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  163.241322][ T4454]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  163.241325][ T4454]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  163.241327][ T4454]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.241328][ T4454]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  163.241330][ T4454]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  163.241333][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241334][ T4454]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.241336][ T4454]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  163.241338][ T4454]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  163.241340][ T4454]  ? next_uptodate_folio (mm/filemap.c:3747)
[  163.241343][ T4454]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  163.241346][ T4454]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  163.241348][ T4454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.241349][ T4454]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  163.241353][ T4454]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  163.241356][ T4454]  ____sys_sendmsg (net/socket.c:2713)
[  163.241358][ T4454]  ? copy_msghdr_from_user (net/socket.c:2650)
[  163.241359][ T4454]  ? sock_write_iter (net/socket.c:1269)
[  163.241361][ T4454]  ? move_addr_to_kernel (net/socket.c:258)
[  163.241363][ T4454]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  163.241365][ T4454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.241367][ T4454]  ___sys_sendmsg (net/socket.c:2767)
[  163.241369][ T4454]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  163.241371][ T4454]  ? copy_msghdr_from_user (net/socket.c:2619)
[  163.241373][ T4454]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  163.241377][ T4454]  __sys_sendmsg (net/socket.c:2799)
[  163.241380][ T4454]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  163.241382][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241383][ T4454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.241385][ T4454]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  163.241387][ T4454]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  163.241389][ T4454]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  163.241392][ T4454] RIP: 0033:0x7fe5c30ba54e
[  163.241394][ T4454] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  163.241396][ T4454] RSP: 002b:00007fff80751740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  163.241400][ T4454] RAX: ffffffffffffffda RBX: 00007fff80751f08 RCX: 00007fe5c30ba54e
[  163.241401][ T4454] RDX: 0000000000000000 RSI: 00007fff807517f0 RDI: 0000000000000005
[  163.241402][ T4454] RBP: 00007fff80751750 R08: 0000000000000000 R09: 0000000000000000
[  163.241403][ T4454] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a51
[  163.241404][ T4454] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff80751ec0
| [  168.858835][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  168.858838][   T12] Preemption disabled at:
| [  168.858839][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  168.858847][   T12] Tainted: [W]=WARN
[  168.858848][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  168.858850][   T12] Workqueue: netns cleanup_net
[  168.858856][   T12] Call Trace:
[  168.858857][   T12]  <TASK>
[  168.858859][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  168.858865][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  168.858866][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  168.858870][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  168.858871][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  168.858874][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.858877][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  168.858880][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.858882][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.858887][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  168.858889][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.858891][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  168.858893][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  168.858895][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  168.858897][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  168.858902][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  168.858904][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  168.858907][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.858909][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.858910][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.858911][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  168.858914][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  168.858916][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.858917][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.858918][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.858919][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.858922][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  168.858924][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  168.858926][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  168.858929][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  168.858931][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.858933][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  168.858934][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.858935][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.858937][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  168.858939][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  168.858940][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  168.858942][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  168.858943][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  168.858945][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  168.858946][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  168.858948][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  168.858951][   T12]  ? kthread (kernel/kthread.c:436)
[  168.858953][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  168.858955][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  168.858958][   T12]  _printk (kernel/printk/printk.c:2504)
[  168.858961][   T12]  ? snapshot_read.cold (user.c:?)
[  168.858963][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  168.858966][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  168.858968][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  168.858971][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  168.858973][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.858974][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  168.858976][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  168.858978][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  168.858980][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  168.858981][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  168.858983][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  168.858986][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  168.858990][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  168.858992][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  168.858995][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  168.858997][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  168.858999][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  168.859002][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  168.859004][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  168.859006][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.859007][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.859009][   T12]  process_one_work (kernel/workqueue.c:3387)
[  168.859012][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  168.859014][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  168.859016][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.859018][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  168.859021][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  168.859023][   T12]  kthread (kernel/kthread.c:436)
[  168.859025][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  168.859027][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  168.859029][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  168.859030][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  168.859032][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  168.859035][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  168.859037][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  170.332404][ T4577] softirqs last disabled at (0): 0x0
| [  170.332406][ T4577] Preemption disabled at:
| [  170.332407][ T4577] vprintk_emit (kernel/printk/printk.c:2471)
| [  170.332417][ T4577] Tainted: [W]=WARN
[  170.332418][ T4577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  170.332420][ T4577] Call Trace:
[  170.332422][ T4577]  <TASK>
[  170.332423][ T4577]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  170.332429][ T4577]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  170.332430][ T4577]  __might_resched.cold (kernel/sched/core.c:9234)
[  170.332434][ T4577]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  170.332436][ T4577]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  170.332439][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332441][ T4577]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  170.332444][ T4577]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.332448][ T4577]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.332453][ T4577]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  170.332454][ T4577]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.332457][ T4577]  put_chars (drivers/char/virtio_console.c:1176)
[  170.332459][ T4577]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  170.332460][ T4577]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  170.332463][ T4577]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  170.332468][ T4577]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  170.332470][ T4577]  ? vsnprintf (lib/vsprintf.c:2900)
[  170.332473][ T4577]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.332474][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332475][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332477][ T4577]  console_emit_next_record (kernel/printk/printk.c:3183)
[  170.332480][ T4577]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  170.332482][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332483][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332484][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332485][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.332487][ T4577]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  170.332489][ T4577]  console_flush_one_record (kernel/printk/printk.c:3268)
[  170.332492][ T4577]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  170.332495][ T4577]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  170.332496][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.332498][ T4577]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  170.332500][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332501][ T4577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.332502][ T4577]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  170.332504][ T4577]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  170.332505][ T4577]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  170.332507][ T4577]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  170.332508][ T4577]  vprintk_emit (kernel/printk/printk.c:2479)
[  170.332510][ T4577]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  170.332511][ T4577]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.332513][ T4577]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  170.332516][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.332518][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332519][ T4577]  _printk (kernel/printk/printk.c:2504)
[  170.332522][ T4577]  ? snapshot_read.cold (user.c:?)
[  170.332524][ T4577]  ? br_multicast_flood (??:?)
[  170.332527][ T4577]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  170.332530][ T4577]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  170.332531][ T4577]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  170.332533][ T4577]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  170.332536][ T4577]  br_init_port (net/bridge/br_stp_if.c:39)
[  170.332538][ T4577]  new_nbp (net/bridge/br_if.c:449)
[  170.332540][ T4577]  br_add_if (net/bridge/br_if.c:592)
[  170.332542][ T4577]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  170.332546][ T4577]  do_set_master (net/core/rtnetlink.c:3071)
[  170.332548][ T4577]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  170.332550][ T4577]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  170.332551][ T4577]  ? __dev_get_by_name (net/core/dev.c:905)
[  170.332553][ T4577]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  170.332556][ T4577]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  170.332559][ T4577]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  170.332561][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332562][ T4577]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  170.332563][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.332565][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332566][ T4577]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  170.332569][ T4577]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  170.332571][ T4577]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  170.332573][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332574][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.332576][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332577][ T4577]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  170.332578][ T4577]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  170.332580][ T4577]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  170.332581][ T4577]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  170.332583][ T4577]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  170.332587][ T4577]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  170.332590][ T4577]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  170.332591][ T4577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.332593][ T4577]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  170.332595][ T4577]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  170.332597][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332599][ T4577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.332601][ T4577]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  170.332603][ T4577]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  170.332605][ T4577]  ? next_uptodate_folio (mm/filemap.c:3747)
[  170.332608][ T4577]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  170.332610][ T4577]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  170.332612][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.332614][ T4577]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  170.332617][ T4577]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  170.332620][ T4577]  ____sys_sendmsg (net/socket.c:2713)
[  170.332622][ T4577]  ? copy_msghdr_from_user (net/socket.c:2650)
[  170.332624][ T4577]  ? sock_write_iter (net/socket.c:1269)
[  170.332626][ T4577]  ? move_addr_to_kernel (net/socket.c:258)
[  170.332628][ T4577]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  170.332631][ T4577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.332633][ T4577]  ___sys_sendmsg (net/socket.c:2767)
[  170.332634][ T4577]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  170.332636][ T4577]  ? copy_msghdr_from_user (net/socket.c:2619)
[  170.332638][ T4577]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  170.332642][ T4577]  __sys_sendmsg (net/socket.c:2799)
[  170.332650][ T4577]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  170.332652][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332653][ T4577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.332655][ T4577]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  170.332657][ T4577]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  170.332659][ T4577]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.332661][ T4577] RIP: 0033:0x7f60b6c8254e
[  170.332663][ T4577] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  170.332665][ T4577] RSP: 002b:00007fff24b98640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  170.332669][ T4577] RAX: ffffffffffffffda RBX: 00007fff24b98e08 RCX: 00007f60b6c8254e
[  170.332670][ T4577] RDX: 0000000000000000 RSI: 00007fff24b986f0 RDI: 0000000000000005
[  170.332671][ T4577] RBP: 00007fff24b98650 R08: 0000000000000000 R09: 0000000000000000
[  170.332672][ T4577] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a58
[  170.332673][ T4577] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff24b98dc0
| [  171.921347][ T4647] softirqs last disabled at (0): 0x0
| [  171.921348][ T4647] Preemption disabled at:
| [  171.921349][ T4647] vprintk_emit (kernel/printk/printk.c:2471)
| [  171.921359][ T4647] Tainted: [W]=WARN
[  171.921360][ T4647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  171.921362][ T4647] Call Trace:
[  171.921363][ T4647]  <TASK>
[  171.921365][ T4647]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  171.921370][ T4647]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  171.921372][ T4647]  __might_resched.cold (kernel/sched/core.c:9234)
[  171.921375][ T4647]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  171.921379][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921381][ T4647]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  171.921384][ T4647]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.921388][ T4647]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.921393][ T4647]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  171.921395][ T4647]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.921397][ T4647]  put_chars (drivers/char/virtio_console.c:1176)
[  171.921399][ T4647]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  171.921400][ T4647]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  171.921403][ T4647]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  171.921405][ T4647]  ? pointer (lib/vsprintf.c:2577)
[  171.921409][ T4647]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  171.921414][ T4647]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  171.921415][ T4647]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.921417][ T4647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.921420][ T4647]  console_emit_next_record (kernel/printk/printk.c:3183)
[  171.921423][ T4647]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  171.921425][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921426][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921427][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921428][ T4647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.921430][ T4647]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  171.921432][ T4647]  console_flush_one_record (kernel/printk/printk.c:3268)
[  171.921435][ T4647]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  171.921437][ T4647]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  171.921439][ T4647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.921441][ T4647]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  171.921443][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921444][ T4647]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.921445][ T4647]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  171.921447][ T4647]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  171.921448][ T4647]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  171.921451][ T4647]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  171.921452][ T4647]  vprintk_emit (kernel/printk/printk.c:2479)
[  171.921454][ T4647]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  171.921455][ T4647]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  171.921458][ T4647]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  171.921461][ T4647]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  171.921463][ T4647]  _printk (kernel/printk/printk.c:2504)
[  171.921467][ T4647]  ? snapshot_read.cold (user.c:?)
[  171.921469][ T4647]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  171.921471][ T4647]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  171.921474][ T4647]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  171.921476][ T4647]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  171.921479][ T4647]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  171.921481][ T4647]  ? netdev_notice (net/core/dev.c:13194)
[  171.921484][ T4647]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  171.921485][ T4647]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  171.921488][ T4647]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.921490][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921491][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921492][ T4647]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  171.921493][ T4647]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  171.921495][ T4647]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  171.921496][ T4647]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  171.921498][ T4647]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  171.921500][ T4647]  ? register_netdev (net/core/dev.c:11618)
[  171.921501][ T4647]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.921503][ T4647]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  171.921506][ T4647]  ? __kernel_text_address (kernel/extable.c:79)
[  171.921508][ T4647]  ? write_profile (profile.c:?)
[  171.921511][ T4647]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  171.921515][ T4647]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  171.921517][ T4647]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  171.921518][ T4647]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  171.921520][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921521][ T4647]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  171.921524][ T4647]  ? kasan_save_stack (mm/kasan/common.c:58)
[  171.921526][ T4647]  ? kasan_save_stack (mm/kasan/common.c:57)
[  171.921527][ T4647]  ? kasan_save_track (mm/kasan/common.c:78)
[  171.921528][ T4647]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  171.921529][ T4647]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  171.921531][ T4647]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  171.921532][ T4647]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  171.921533][ T4647]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  171.921536][ T4647]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.921538][ T4647]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  171.921539][ T4647]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  171.921542][ T4647]  ? ____sys_sendmsg (net/socket.c:2713)
[  171.921543][ T4647]  ? ___sys_sendmsg (net/socket.c:2767)
[  171.921545][ T4647]  ? __sys_sendmsg (net/socket.c:2799)
[  171.921547][ T4647]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.921549][ T4647]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.921551][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921552][ T4647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.921554][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921555][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921556][ T4647]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  171.921558][ T4647]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  171.921559][ T4647]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  171.921560][ T4647]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  171.921562][ T4647]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  171.921563][ T4647]  ? nla_get_range_signed (lib/nlattr.c:270)
[  171.921567][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921568][ T4647]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  171.921570][ T4647]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  171.921572][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921573][ T4647]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  171.921574][ T4647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.921576][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921577][ T4647]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  171.921580][ T4647]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  171.921581][ T4647]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  171.921582][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921584][ T4647]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  171.921587][ T4647]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  171.921589][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921590][ T4647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.921592][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921593][ T4647]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  171.921595][ T4647]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  171.921596][ T4647]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.921598][ T4647]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.921599][ T4647]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  171.921602][ T4647]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  171.921603][ T4647]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.921605][ T4647]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.921607][ T4647]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  171.921608][ T4647]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  171.921611][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921612][ T4647]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.921614][ T4647]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.921616][ T4647]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  171.921618][ T4647]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.921620][ T4647]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  171.921622][ T4647]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  171.921624][ T4647]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  171.921626][ T4647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.921628][ T4647]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  171.921631][ T4647]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  171.921633][ T4647]  ____sys_sendmsg (net/socket.c:2713)
[  171.921635][ T4647]  ? copy_msghdr_from_user (net/socket.c:2650)
[  171.921636][ T4647]  ? sock_write_iter (net/socket.c:1269)
[  171.921638][ T4647]  ? move_addr_to_kernel (net/socket.c:258)
[  171.921639][ T4647]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.921642][ T4647]  ___sys_sendmsg (net/socket.c:2767)
[  171.921644][ T4647]  ? copy_msghdr_from_user (net/socket.c:2619)
[  171.921649][ T4647]  __sys_sendmsg (net/socket.c:2799)
[  171.921651][ T4647]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  171.921657][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.921659][ T4647]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.921661][ T4647]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  171.921662][ T4647]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.921664][ T4647] RIP: 0033:0x7f170558d54e
[  171.921666][ T4647] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  171.921668][ T4647] RSP: 002b:00007fff95113420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  171.921671][ T4647] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f170558d54e
[  171.921673][ T4647] RDX: 0000000000000000 RSI: 00007fff951134d0 RDI: 0000000000000005
[  171.921674][ T4647] RBP: 00007fff95113430 R08: 0000000000000000 R09: 0000000000000000
[  171.921675][ T4647] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a5a
[  171.921676][ T4647] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff95113b90
| [  173.058609][ T4697] softirqs last disabled at (0): 0x0
| [  173.058611][ T4697] Preemption disabled at:
| [  173.058612][ T4697] vprintk_emit (kernel/printk/printk.c:2471)
| [  173.058622][ T4697] Tainted: [W]=WARN
[  173.058623][ T4697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  173.058625][ T4697] Call Trace:
[  173.058626][ T4697]  <TASK>
[  173.058628][ T4697]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  173.058634][ T4697]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  173.058635][ T4697]  __might_resched.cold (kernel/sched/core.c:9234)
[  173.058639][ T4697]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  173.058641][ T4697]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  173.058645][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058647][ T4697]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  173.058650][ T4697]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.058653][ T4697]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.058658][ T4697]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  173.058664][ T4697]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.058667][ T4697]  put_chars (drivers/char/virtio_console.c:1176)
[  173.058669][ T4697]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  173.058671][ T4697]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  173.058674][ T4697]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  173.058678][ T4697]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  173.058680][ T4697]  ? vsnprintf (lib/vsprintf.c:2900)
[  173.058684][ T4697]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.058685][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058686][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058688][ T4697]  console_emit_next_record (kernel/printk/printk.c:3183)
[  173.058691][ T4697]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  173.058693][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058694][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058695][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058696][ T4697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.058698][ T4697]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  173.058700][ T4697]  console_flush_one_record (kernel/printk/printk.c:3268)
[  173.058703][ T4697]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  173.058705][ T4697]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  173.058707][ T4697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.058709][ T4697]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  173.058711][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058712][ T4697]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.058713][ T4697]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  173.058715][ T4697]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  173.058716][ T4697]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  173.058718][ T4697]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  173.058720][ T4697]  vprintk_emit (kernel/printk/printk.c:2479)
[  173.058721][ T4697]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  173.058722][ T4697]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.058724][ T4697]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  173.058727][ T4697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.058728][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058730][ T4697]  _printk (kernel/printk/printk.c:2504)
[  173.058733][ T4697]  ? snapshot_read.cold (user.c:?)
[  173.058735][ T4697]  ? br_multicast_flood (??:?)
[  173.058738][ T4697]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  173.058741][ T4697]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  173.058742][ T4697]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  173.058744][ T4697]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  173.058747][ T4697]  br_init_port (net/bridge/br_stp_if.c:39)
[  173.058748][ T4697]  new_nbp (net/bridge/br_if.c:449)
[  173.058751][ T4697]  br_add_if (net/bridge/br_if.c:592)
[  173.058752][ T4697]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  173.058757][ T4697]  do_set_master (net/core/rtnetlink.c:3071)
[  173.058759][ T4697]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  173.058761][ T4697]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  173.058762][ T4697]  ? __dev_get_by_name (net/core/dev.c:905)
[  173.058764][ T4697]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  173.058767][ T4697]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  173.058770][ T4697]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  173.058772][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058773][ T4697]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  173.058774][ T4697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.058776][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058777][ T4697]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  173.058780][ T4697]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  173.058782][ T4697]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  173.058784][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058785][ T4697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.058787][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058788][ T4697]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  173.058789][ T4697]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  173.058791][ T4697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  173.058793][ T4697]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  173.058794][ T4697]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  173.058798][ T4697]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  173.058801][ T4697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  173.058803][ T4697]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.058804][ T4697]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  173.058806][ T4697]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  173.058809][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058810][ T4697]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.058812][ T4697]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  173.058814][ T4697]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  173.058816][ T4697]  ? next_uptodate_folio (mm/filemap.c:3747)
[  173.058819][ T4697]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  173.058821][ T4697]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  173.058823][ T4697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.058825][ T4697]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  173.058828][ T4697]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  173.058831][ T4697]  ____sys_sendmsg (net/socket.c:2713)
[  173.058833][ T4697]  ? copy_msghdr_from_user (net/socket.c:2650)
[  173.058835][ T4697]  ? sock_write_iter (net/socket.c:1269)
[  173.058836][ T4697]  ? move_addr_to_kernel (net/socket.c:258)
[  173.058838][ T4697]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  173.058841][ T4697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.058843][ T4697]  ___sys_sendmsg (net/socket.c:2767)
[  173.058844][ T4697]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  173.058846][ T4697]  ? copy_msghdr_from_user (net/socket.c:2619)
[  173.058848][ T4697]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  173.058852][ T4697]  __sys_sendmsg (net/socket.c:2799)
[  173.058854][ T4697]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  173.058857][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058858][ T4697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.058859][ T4697]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  173.058862][ T4697]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  173.058864][ T4697]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  173.058866][ T4697] RIP: 0033:0x7f73b877c54e
[  173.058869][ T4697] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  173.058870][ T4697] RSP: 002b:00007ffde14f3050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  173.058874][ T4697] RAX: ffffffffffffffda RBX: 00007ffde14f3818 RCX: 00007f73b877c54e
[  173.058876][ T4697] RDX: 0000000000000000 RSI: 00007ffde14f3100 RDI: 0000000000000005
[  173.058876][ T4697] RBP: 00007ffde14f3060 R08: 0000000000000000 R09: 0000000000000000
[  173.058877][ T4697] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a5b
[  173.058878][ T4697] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde14f37d0
| [  178.619932][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  178.619934][   T12] Preemption disabled at:
| [  178.619935][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  178.619944][   T12] Tainted: [W]=WARN
[  178.619945][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.619947][   T12] Workqueue: netns cleanup_net
[  178.619954][   T12] Call Trace:
[  178.619955][   T12]  <TASK>
[  178.619957][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  178.619963][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  178.619964][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  178.619967][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  178.619970][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  178.619973][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.619975][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  178.619978][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.619981][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.619985][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  178.619987][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.619990][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  178.619991][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  178.619993][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  178.619996][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  178.620000][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  178.620002][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  178.620005][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.620007][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.620008][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.620010][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  178.620012][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  178.620014][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.620015][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.620016][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.620018][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.620020][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  178.620022][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  178.620024][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  178.620027][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  178.620029][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.620031][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  178.620032][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.620033][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.620035][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  178.620036][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  178.620038][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  178.620040][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  178.620041][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  178.620043][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  178.620044][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  178.620046][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  178.620049][   T12]  ? kthread (kernel/kthread.c:436)
[  178.620051][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  178.620053][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  178.620056][   T12]  _printk (kernel/printk/printk.c:2504)
[  178.620059][   T12]  ? snapshot_read.cold (user.c:?)
[  178.620061][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  178.620065][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  178.620070][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  178.620072][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  178.620075][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.620076][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  178.620077][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  178.620080][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  178.620082][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  178.620083][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  178.620085][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  178.620088][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  178.620092][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  178.620094][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  178.620097][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  178.620099][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  178.620101][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  178.620103][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  178.620105][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  178.620107][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  178.620110][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.620111][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.620113][   T12]  process_one_work (kernel/workqueue.c:3387)
[  178.620116][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  178.620118][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  178.620120][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.620122][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  178.620125][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  178.620127][   T12]  kthread (kernel/kthread.c:436)
[  178.620129][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  178.620130][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  178.620132][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  178.620134][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  178.620136][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  178.620139][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  178.620141][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  179.872279][ T4820] softirqs last disabled at (0): 0x0
| [  179.872281][ T4820] Preemption disabled at:
| [  179.872281][ T4820] vprintk_emit (kernel/printk/printk.c:2471)
| [  179.872291][ T4820] Tainted: [W]=WARN
[  179.872292][ T4820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  179.872294][ T4820] Call Trace:
[  179.872295][ T4820]  <TASK>
[  179.872297][ T4820]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  179.872302][ T4820]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  179.872304][ T4820]  __might_resched.cold (kernel/sched/core.c:9234)
[  179.872308][ T4820]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  179.872310][ T4820]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  179.872313][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872315][ T4820]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  179.872318][ T4820]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  179.872321][ T4820]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  179.872326][ T4820]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  179.872328][ T4820]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  179.872330][ T4820]  put_chars (drivers/char/virtio_console.c:1176)
[  179.872332][ T4820]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  179.872334][ T4820]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  179.872336][ T4820]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  179.872341][ T4820]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  179.872342][ T4820]  ? vsnprintf (lib/vsprintf.c:2900)
[  179.872345][ T4820]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  179.872347][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872348][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872350][ T4820]  console_emit_next_record (kernel/printk/printk.c:3183)
[  179.872353][ T4820]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  179.872355][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872356][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872357][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872358][ T4820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.872360][ T4820]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  179.872362][ T4820]  console_flush_one_record (kernel/printk/printk.c:3268)
[  179.872364][ T4820]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  179.872367][ T4820]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  179.872369][ T4820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.872371][ T4820]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  179.872372][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872373][ T4820]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  179.872375][ T4820]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  179.872377][ T4820]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  179.872378][ T4820]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  179.872380][ T4820]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  179.872382][ T4820]  vprintk_emit (kernel/printk/printk.c:2479)
[  179.872383][ T4820]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  179.872385][ T4820]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  179.872386][ T4820]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  179.872389][ T4820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.872391][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872392][ T4820]  _printk (kernel/printk/printk.c:2504)
[  179.872395][ T4820]  ? snapshot_read.cold (user.c:?)
[  179.872397][ T4820]  ? br_multicast_flood (??:?)
[  179.872400][ T4820]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  179.872403][ T4820]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  179.872405][ T4820]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  179.872406][ T4820]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  179.872409][ T4820]  br_init_port (net/bridge/br_stp_if.c:39)
[  179.872411][ T4820]  new_nbp (net/bridge/br_if.c:449)
[  179.872413][ T4820]  br_add_if (net/bridge/br_if.c:592)
[  179.872415][ T4820]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  179.872419][ T4820]  do_set_master (net/core/rtnetlink.c:3071)
[  179.872421][ T4820]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  179.872422][ T4820]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  179.872424][ T4820]  ? __dev_get_by_name (net/core/dev.c:905)
[  179.872426][ T4820]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  179.872429][ T4820]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  179.872431][ T4820]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  179.872433][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872435][ T4820]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  179.872436][ T4820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.872437][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872439][ T4820]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  179.872441][ T4820]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  179.872443][ T4820]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  179.872446][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872447][ T4820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.872448][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872449][ T4820]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  179.872451][ T4820]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  179.872453][ T4820]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  179.872454][ T4820]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  179.872455][ T4820]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  179.872459][ T4820]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  179.872462][ T4820]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  179.872464][ T4820]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  179.872465][ T4820]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  179.872467][ T4820]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  179.872470][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872471][ T4820]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  179.872473][ T4820]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  179.872475][ T4820]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  179.872477][ T4820]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  179.872480][ T4820]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  179.872483][ T4820]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  179.872485][ T4820]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  179.872487][ T4820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.872488][ T4820]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  179.872492][ T4820]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  179.872495][ T4820]  ____sys_sendmsg (net/socket.c:2713)
[  179.872497][ T4820]  ? copy_msghdr_from_user (net/socket.c:2650)
[  179.872498][ T4820]  ? sock_write_iter (net/socket.c:1269)
[  179.872500][ T4820]  ? move_addr_to_kernel (net/socket.c:258)
[  179.872502][ T4820]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  179.872505][ T4820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.872506][ T4820]  ___sys_sendmsg (net/socket.c:2767)
[  179.872508][ T4820]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  179.872510][ T4820]  ? copy_msghdr_from_user (net/socket.c:2619)
[  179.872511][ T4820]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  179.872516][ T4820]  __sys_sendmsg (net/socket.c:2799)
[  179.872518][ T4820]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  179.872521][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872522][ T4820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.872523][ T4820]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  179.872526][ T4820]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  179.872528][ T4820]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  179.872530][ T4820] RIP: 0033:0x7fc7cb36054e
[  179.872532][ T4820] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  179.872534][ T4820] RSP: 002b:00007ffdc8d96500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  179.872537][ T4820] RAX: ffffffffffffffda RBX: 00007ffdc8d96cc8 RCX: 00007fc7cb36054e
[  179.872539][ T4820] RDX: 0000000000000000 RSI: 00007ffdc8d965b0 RDI: 0000000000000005
[  179.872540][ T4820] RBP: 00007ffdc8d96510 R08: 0000000000000000 R09: 0000000000000000
[  179.872540][ T4820] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a62
[  179.872541][ T4820] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc8d96c80
| [  181.259115][ T4889] softirqs last disabled at (0): 0x0
| [  181.259117][ T4889] Preemption disabled at:
| [  181.259118][ T4889] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.259128][ T4889] Tainted: [W]=WARN
[  181.259129][ T4889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.259130][ T4889] Call Trace:
[  181.259132][ T4889]  <TASK>
[  181.259133][ T4889]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.259139][ T4889]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.259140][ T4889]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.259144][ T4889]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.259147][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259149][ T4889]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  181.259152][ T4889]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.259155][ T4889]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.259160][ T4889]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  181.259162][ T4889]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.259165][ T4889]  put_chars (drivers/char/virtio_console.c:1176)
[  181.259166][ T4889]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.259168][ T4889]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  181.259170][ T4889]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  181.259172][ T4889]  ? pointer (lib/vsprintf.c:2577)
[  181.259176][ T4889]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.259180][ T4889]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.259182][ T4889]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.259184][ T4889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.259186][ T4889]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.259189][ T4889]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.259191][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259192][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259193][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259194][ T4889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.259196][ T4889]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  181.259198][ T4889]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.259200][ T4889]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.259203][ T4889]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.259205][ T4889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.259207][ T4889]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.259208][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259209][ T4889]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.259211][ T4889]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  181.259212][ T4889]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  181.259214][ T4889]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.259216][ T4889]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.259217][ T4889]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.259219][ T4889]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.259220][ T4889]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  181.259223][ T4889]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  181.259226][ T4889]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  181.259228][ T4889]  _printk (kernel/printk/printk.c:2504)
[  181.259232][ T4889]  ? snapshot_read.cold (user.c:?)
[  181.259234][ T4889]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  181.259236][ T4889]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  181.259239][ T4889]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  181.259241][ T4889]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  181.259244][ T4889]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  181.259246][ T4889]  ? netdev_notice (net/core/dev.c:13194)
[  181.259248][ T4889]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  181.259250][ T4889]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  181.259252][ T4889]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.259254][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259255][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259256][ T4889]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  181.259258][ T4889]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  181.259259][ T4889]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  181.259260][ T4889]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  181.259262][ T4889]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  181.259263][ T4889]  ? register_netdev (net/core/dev.c:11618)
[  181.259265][ T4889]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.259267][ T4889]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  181.259270][ T4889]  ? __kernel_text_address (kernel/extable.c:79)
[  181.259272][ T4889]  ? write_profile (profile.c:?)
[  181.259275][ T4889]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  181.259279][ T4889]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  181.259281][ T4889]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  181.259282][ T4889]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  181.259284][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259285][ T4889]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  181.259288][ T4889]  ? kasan_save_stack (mm/kasan/common.c:58)
[  181.259290][ T4889]  ? kasan_save_stack (mm/kasan/common.c:57)
[  181.259291][ T4889]  ? kasan_save_track (mm/kasan/common.c:78)
[  181.259292][ T4889]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  181.259293][ T4889]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  181.259294][ T4889]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  181.259295][ T4889]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  181.259297][ T4889]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.259300][ T4889]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.259301][ T4889]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.259303][ T4889]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.259305][ T4889]  ? ____sys_sendmsg (net/socket.c:2713)
[  181.259307][ T4889]  ? ___sys_sendmsg (net/socket.c:2767)
[  181.259308][ T4889]  ? __sys_sendmsg (net/socket.c:2799)
[  181.259310][ T4889]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.259312][ T4889]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.259315][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259316][ T4889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.259318][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259319][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259320][ T4889]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  181.259322][ T4889]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  181.259323][ T4889]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  181.259324][ T4889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  181.259326][ T4889]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  181.259327][ T4889]  ? nla_get_range_signed (lib/nlattr.c:270)
[  181.259330][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259332][ T4889]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  181.259334][ T4889]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  181.259336][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259337][ T4889]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  181.259338][ T4889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.259340][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259341][ T4889]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  181.259344][ T4889]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  181.259345][ T4889]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  181.259346][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259347][ T4889]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  181.259351][ T4889]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  181.259353][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259354][ T4889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.259356][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259357][ T4889]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  181.259359][ T4889]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  181.259360][ T4889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.259362][ T4889]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  181.259363][ T4889]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  181.259365][ T4889]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.259367][ T4889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.259368][ T4889]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.259370][ T4889]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  181.259372][ T4889]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  181.259375][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259376][ T4889]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.259378][ T4889]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.259380][ T4889]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  181.259382][ T4889]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.259384][ T4889]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.259386][ T4889]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  181.259387][ T4889]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  181.259389][ T4889]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.259391][ T4889]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  181.259394][ T4889]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.259396][ T4889]  ____sys_sendmsg (net/socket.c:2713)
[  181.259398][ T4889]  ? copy_msghdr_from_user (net/socket.c:2650)
[  181.259399][ T4889]  ? sock_write_iter (net/socket.c:1269)
[  181.259401][ T4889]  ? move_addr_to_kernel (net/socket.c:258)
[  181.259402][ T4889]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  181.259405][ T4889]  ___sys_sendmsg (net/socket.c:2767)
[  181.259407][ T4889]  ? copy_msghdr_from_user (net/socket.c:2619)
[  181.259412][ T4889]  __sys_sendmsg (net/socket.c:2799)
[  181.259414][ T4889]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  181.259417][ T4889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.259418][ T4889]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.259420][ T4889]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  181.259422][ T4889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.259424][ T4889] RIP: 0033:0x7ff388b1454e
[  181.259425][ T4889] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  181.259427][ T4889] RSP: 002b:00007ffca1c28400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  181.259431][ T4889] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff388b1454e
[  181.259433][ T4889] RDX: 0000000000000000 RSI: 00007ffca1c284b0 RDI: 0000000000000005
[  181.259434][ T4889] RBP: 00007ffca1c28410 R08: 0000000000000000 R09: 0000000000000000
[  181.259435][ T4889] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a63
[  181.259436][ T4889] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca1c28b70
| [  182.510747][ T4939] softirqs last disabled at (0): 0x0
| [  182.510749][ T4939] Preemption disabled at:
| [  182.510750][ T4939] vprintk_emit (kernel/printk/printk.c:2471)
| [  182.510764][ T4939] Tainted: [W]=WARN
[  182.510765][ T4939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  182.510767][ T4939] Call Trace:
[  182.510769][ T4939]  <TASK>
[  182.510771][ T4939]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  182.510778][ T4939]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  182.510780][ T4939]  __might_resched.cold (kernel/sched/core.c:9234)
[  182.510785][ T4939]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  182.510788][ T4939]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  182.510792][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.510795][ T4939]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  182.510799][ T4939]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  182.510803][ T4939]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  182.510809][ T4939]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  182.510811][ T4939]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  182.510815][ T4939]  put_chars (drivers/char/virtio_console.c:1176)
[  182.510817][ T4939]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  182.510820][ T4939]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  182.510824][ T4939]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  182.510830][ T4939]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  182.510832][ T4939]  ? vsnprintf (lib/vsprintf.c:2900)
[  182.510836][ T4939]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  182.510839][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.510841][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.510844][ T4939]  console_emit_next_record (kernel/printk/printk.c:3183)
[  182.510848][ T4939]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  182.510851][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.510853][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.510855][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.510856][ T4939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.510860][ T4939]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  182.510862][ T4939]  console_flush_one_record (kernel/printk/printk.c:3268)
[  182.510866][ T4939]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  182.510870][ T4939]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  182.510872][ T4939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.510875][ T4939]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  182.510877][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.510879][ T4939]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  182.510881][ T4939]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  182.510883][ T4939]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  182.510885][ T4939]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  182.510888][ T4939]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  182.510890][ T4939]  vprintk_emit (kernel/printk/printk.c:2479)
[  182.510893][ T4939]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  182.510895][ T4939]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  182.510897][ T4939]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  182.510901][ T4939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.510903][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.510905][ T4939]  _printk (kernel/printk/printk.c:2504)
[  182.510909][ T4939]  ? snapshot_read.cold (user.c:?)
[  182.510912][ T4939]  ? br_multicast_flood (??:?)
[  182.510916][ T4939]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  182.510920][ T4939]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  182.510921][ T4939]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  182.510924][ T4939]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  182.510928][ T4939]  br_init_port (net/bridge/br_stp_if.c:39)
[  182.510930][ T4939]  new_nbp (net/bridge/br_if.c:449)
[  182.510933][ T4939]  br_add_if (net/bridge/br_if.c:592)
[  182.510936][ T4939]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  182.510941][ T4939]  do_set_master (net/core/rtnetlink.c:3071)
[  182.510944][ T4939]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  182.510947][ T4939]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  182.510949][ T4939]  ? __dev_get_by_name (net/core/dev.c:905)
[  182.510951][ T4939]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  182.510956][ T4939]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  182.510960][ T4939]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  182.510963][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.510965][ T4939]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  182.510967][ T4939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.510969][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.510971][ T4939]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  182.510974][ T4939]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  182.510977][ T4939]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  182.510980][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.510982][ T4939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.510984][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.510986][ T4939]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  182.510988][ T4939]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  182.510990][ T4939]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  182.510993][ T4939]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  182.510995][ T4939]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  182.511000][ T4939]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  182.511003][ T4939]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  182.511005][ T4939]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  182.511008][ T4939]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  182.511010][ T4939]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  182.511014][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.511016][ T4939]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  182.511018][ T4939]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  182.511021][ T4939]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  182.511024][ T4939]  ? next_uptodate_folio (mm/filemap.c:3747)
[  182.511028][ T4939]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  182.511031][ T4939]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  182.511034][ T4939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.511036][ T4939]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  182.511040][ T4939]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  182.511044][ T4939]  ____sys_sendmsg (net/socket.c:2713)
[  182.511046][ T4939]  ? copy_msghdr_from_user (net/socket.c:2650)
[  182.511049][ T4939]  ? sock_write_iter (net/socket.c:1269)
[  182.511051][ T4939]  ? move_addr_to_kernel (net/socket.c:258)
[  182.511054][ T4939]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  182.511057][ T4939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.511060][ T4939]  ___sys_sendmsg (net/socket.c:2767)
[  182.511062][ T4939]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  182.511065][ T4939]  ? copy_msghdr_from_user (net/socket.c:2619)
[  182.511069][ T4939]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  182.511076][ T4939]  __sys_sendmsg (net/socket.c:2799)
[  182.511079][ T4939]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  182.511083][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.511084][ T4939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.511087][ T4939]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  182.511090][ T4939]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  182.511093][ T4939]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  182.511096][ T4939] RIP: 0033:0x7f4462a2b54e
[  182.511098][ T4939] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  182.511101][ T4939] RSP: 002b:00007ffe5a96f4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  182.511106][ T4939] RAX: ffffffffffffffda RBX: 00007ffe5a96fc98 RCX: 00007f4462a2b54e
[  182.511108][ T4939] RDX: 0000000000000000 RSI: 00007ffe5a96f580 RDI: 0000000000000005
[  182.511109][ T4939] RBP: 00007ffe5a96f4e0 R08: 0000000000000000 R09: 0000000000000000
[  182.511110][ T4939] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a64
[  182.511111][ T4939] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5a96fc50
| [  188.088867][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  188.088869][   T12] Preemption disabled at:
| [  188.088870][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  188.088880][   T12] Tainted: [W]=WARN
[  188.088881][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  188.088883][   T12] Workqueue: netns cleanup_net
[  188.088889][   T12] Call Trace:
[  188.088891][   T12]  <TASK>
[  188.088892][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  188.088898][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  188.088899][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  188.088903][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  188.088905][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  188.088908][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.088910][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  188.088913][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.088916][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.088921][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  188.088923][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.088926][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  188.088927][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  188.088929][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  188.088932][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  188.088937][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  188.088938][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  188.088942][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.088944][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.088945][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.088947][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  188.088949][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  188.088952][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.088953][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.088954][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.088955][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.088958][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  188.088959][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  188.088962][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  188.088965][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  188.088967][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.088968][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  188.088970][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.088972][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.088973][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  188.088975][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  188.088976][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  188.088978][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  188.088980][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  188.088981][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  188.088983][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  188.088984][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  188.088987][   T12]  ? kthread (kernel/kthread.c:436)
[  188.088989][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  188.088992][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  188.088995][   T12]  _printk (kernel/printk/printk.c:2504)
[  188.088998][   T12]  ? snapshot_read.cold (user.c:?)
[  188.089001][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  188.089004][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  188.089006][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  188.089009][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  188.089011][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.089013][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  188.089014][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  188.089017][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  188.089019][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  188.089020][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  188.089023][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  188.089025][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  188.089030][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  188.089032][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  188.089035][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  188.089038][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  188.089042][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  188.089046][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  188.089049][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  188.089051][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.089053][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.089055][   T12]  process_one_work (kernel/workqueue.c:3387)
[  188.089058][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  188.089060][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  188.089063][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.089065][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  188.089072][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  188.089075][   T12]  kthread (kernel/kthread.c:436)
[  188.089077][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  188.089079][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  188.089081][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  188.089084][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  188.089086][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  188.089090][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  188.089092][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  189.345424][ T5062] softirqs last disabled at (0): 0x0
| [  189.345426][ T5062] Preemption disabled at:
| [  189.345427][ T5062] vprintk_emit (kernel/printk/printk.c:2471)
| [  189.345438][ T5062] Tainted: [W]=WARN
[  189.345439][ T5062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  189.345441][ T5062] Call Trace:
[  189.345442][ T5062]  <TASK>
[  189.345443][ T5062]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  189.345449][ T5062]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  189.345450][ T5062]  __might_resched.cold (kernel/sched/core.c:9234)
[  189.345453][ T5062]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  189.345456][ T5062]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  189.345459][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345461][ T5062]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  189.345464][ T5062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  189.345467][ T5062]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.345472][ T5062]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  189.345473][ T5062]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.345476][ T5062]  put_chars (drivers/char/virtio_console.c:1176)
[  189.345477][ T5062]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  189.345479][ T5062]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  189.345482][ T5062]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  189.345487][ T5062]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  189.345488][ T5062]  ? vsnprintf (lib/vsprintf.c:2900)
[  189.345492][ T5062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  189.345493][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345494][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345496][ T5062]  console_emit_next_record (kernel/printk/printk.c:3183)
[  189.345498][ T5062]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  189.345502][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345503][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345505][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345507][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.345510][ T5062]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  189.345513][ T5062]  console_flush_one_record (kernel/printk/printk.c:3268)
[  189.345517][ T5062]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  189.345521][ T5062]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  189.345523][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.345525][ T5062]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  189.345528][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345529][ T5062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  189.345532][ T5062]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  189.345534][ T5062]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  189.345536][ T5062]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  189.345538][ T5062]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  189.345539][ T5062]  vprintk_emit (kernel/printk/printk.c:2479)
[  189.345541][ T5062]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  189.345542][ T5062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  189.345544][ T5062]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  189.345547][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.345548][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345550][ T5062]  _printk (kernel/printk/printk.c:2504)
[  189.345553][ T5062]  ? snapshot_read.cold (user.c:?)
[  189.345555][ T5062]  ? br_multicast_flood (??:?)
[  189.345558][ T5062]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  189.345561][ T5062]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  189.345563][ T5062]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  189.345566][ T5062]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  189.345570][ T5062]  br_init_port (net/bridge/br_stp_if.c:39)
[  189.345573][ T5062]  new_nbp (net/bridge/br_if.c:449)
[  189.345576][ T5062]  br_add_if (net/bridge/br_if.c:592)
[  189.345579][ T5062]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  189.345584][ T5062]  do_set_master (net/core/rtnetlink.c:3071)
[  189.345587][ T5062]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  189.345590][ T5062]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  189.345592][ T5062]  ? __dev_get_by_name (net/core/dev.c:905)
[  189.345594][ T5062]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  189.345600][ T5062]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  189.345604][ T5062]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  189.345607][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345609][ T5062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  189.345611][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.345613][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345615][ T5062]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  189.345617][ T5062]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  189.345620][ T5062]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  189.345623][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345626][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.345628][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345630][ T5062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  189.345633][ T5062]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  189.345635][ T5062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  189.345638][ T5062]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  189.345640][ T5062]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  189.345645][ T5062]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  189.345649][ T5062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  189.345651][ T5062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  189.345653][ T5062]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  189.345655][ T5062]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  189.345659][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345661][ T5062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  189.345665][ T5062]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  189.345668][ T5062]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  189.345671][ T5062]  ? next_uptodate_folio (mm/filemap.c:3747)
[  189.345675][ T5062]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  189.345678][ T5062]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  189.345681][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.345683][ T5062]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  189.345688][ T5062]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  189.345691][ T5062]  ____sys_sendmsg (net/socket.c:2713)
[  189.345694][ T5062]  ? copy_msghdr_from_user (net/socket.c:2650)
[  189.345696][ T5062]  ? sock_write_iter (net/socket.c:1269)
[  189.345698][ T5062]  ? move_addr_to_kernel (net/socket.c:258)
[  189.345701][ T5062]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  189.345705][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.345708][ T5062]  ___sys_sendmsg (net/socket.c:2767)
[  189.345710][ T5062]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  189.345712][ T5062]  ? copy_msghdr_from_user (net/socket.c:2619)
[  189.345715][ T5062]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  189.345722][ T5062]  __sys_sendmsg (net/socket.c:2799)
[  189.345725][ T5062]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  189.345729][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345731][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.345733][ T5062]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  189.345737][ T5062]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  189.345739][ T5062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  189.345742][ T5062] RIP: 0033:0x7f37b60f454e
[  189.345745][ T5062] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  189.345748][ T5062] RSP: 002b:00007fff8e586c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  189.345752][ T5062] RAX: ffffffffffffffda RBX: 00007fff8e5873c8 RCX: 00007f37b60f454e
[  189.345755][ T5062] RDX: 0000000000000000 RSI: 00007fff8e586cb0 RDI: 0000000000000005
[  189.345756][ T5062] RBP: 00007fff8e586c10 R08: 0000000000000000 R09: 0000000000000000
[  189.345757][ T5062] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a6b
[  189.345759][ T5062] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8e587380
| [  190.805260][ T5132] softirqs last disabled at (0): 0x0
| [  190.805262][ T5132] Preemption disabled at:
| [  190.805263][ T5132] vprintk_emit (kernel/printk/printk.c:2471)
| [  190.805273][ T5132] Tainted: [W]=WARN
[  190.805274][ T5132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  190.805276][ T5132] Call Trace:
[  190.805277][ T5132]  <TASK>
[  190.805278][ T5132]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  190.805284][ T5132]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  190.805285][ T5132]  __might_resched.cold (kernel/sched/core.c:9234)
[  190.805289][ T5132]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  190.805293][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805295][ T5132]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  190.805298][ T5132]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  190.805301][ T5132]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  190.805306][ T5132]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  190.805308][ T5132]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  190.805311][ T5132]  put_chars (drivers/char/virtio_console.c:1176)
[  190.805312][ T5132]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  190.805313][ T5132]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  190.805316][ T5132]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  190.805318][ T5132]  ? pointer (lib/vsprintf.c:2577)
[  190.805322][ T5132]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  190.805326][ T5132]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  190.805328][ T5132]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  190.805330][ T5132]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.805332][ T5132]  console_emit_next_record (kernel/printk/printk.c:3183)
[  190.805335][ T5132]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  190.805337][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805338][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805339][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805340][ T5132]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.805342][ T5132]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  190.805344][ T5132]  console_flush_one_record (kernel/printk/printk.c:3268)
[  190.805347][ T5132]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  190.805349][ T5132]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  190.805351][ T5132]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.805353][ T5132]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  190.805354][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805355][ T5132]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.805357][ T5132]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  190.805358][ T5132]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  190.805360][ T5132]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  190.805362][ T5132]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  190.805363][ T5132]  vprintk_emit (kernel/printk/printk.c:2479)
[  190.805365][ T5132]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  190.805366][ T5132]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  190.805368][ T5132]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  190.805371][ T5132]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  190.805374][ T5132]  _printk (kernel/printk/printk.c:2504)
[  190.805377][ T5132]  ? snapshot_read.cold (user.c:?)
[  190.805379][ T5132]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  190.805381][ T5132]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  190.805384][ T5132]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  190.805386][ T5132]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  190.805389][ T5132]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  190.805391][ T5132]  ? netdev_notice (net/core/dev.c:13194)
[  190.805393][ T5132]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  190.805395][ T5132]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  190.805397][ T5132]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  190.805399][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805400][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805401][ T5132]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  190.805402][ T5132]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  190.805404][ T5132]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  190.805405][ T5132]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  190.805407][ T5132]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  190.805409][ T5132]  ? register_netdev (net/core/dev.c:11618)
[  190.805410][ T5132]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.805412][ T5132]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  190.805414][ T5132]  ? __kernel_text_address (kernel/extable.c:79)
[  190.805417][ T5132]  ? write_profile (profile.c:?)
[  190.805420][ T5132]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  190.805423][ T5132]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  190.805425][ T5132]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  190.805427][ T5132]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  190.805428][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805429][ T5132]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  190.805433][ T5132]  ? kasan_save_stack (mm/kasan/common.c:58)
[  190.805434][ T5132]  ? kasan_save_stack (mm/kasan/common.c:57)
[  190.805435][ T5132]  ? kasan_save_track (mm/kasan/common.c:78)
[  190.805437][ T5132]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  190.805438][ T5132]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  190.805439][ T5132]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  190.805440][ T5132]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  190.805441][ T5132]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  190.805444][ T5132]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  190.805446][ T5132]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  190.805447][ T5132]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  190.805450][ T5132]  ? ____sys_sendmsg (net/socket.c:2713)
[  190.805451][ T5132]  ? ___sys_sendmsg (net/socket.c:2767)
[  190.805453][ T5132]  ? __sys_sendmsg (net/socket.c:2799)
[  190.805454][ T5132]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  190.805457][ T5132]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  190.805459][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805460][ T5132]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.805462][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805463][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805464][ T5132]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  190.805465][ T5132]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  190.805467][ T5132]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  190.805468][ T5132]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  190.805470][ T5132]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  190.805471][ T5132]  ? nla_get_range_signed (lib/nlattr.c:270)
[  190.805474][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805475][ T5132]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  190.805477][ T5132]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  190.805479][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805480][ T5132]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  190.805482][ T5132]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.805483][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805484][ T5132]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  190.805487][ T5132]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  190.805488][ T5132]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  190.805490][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805491][ T5132]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  190.805494][ T5132]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  190.805496][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805497][ T5132]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.805499][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805500][ T5132]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  190.805501][ T5132]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  190.805503][ T5132]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  190.805504][ T5132]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  190.805506][ T5132]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  190.805508][ T5132]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  190.805510][ T5132]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  190.805511][ T5132]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.805513][ T5132]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  190.805515][ T5132]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  190.805518][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805519][ T5132]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.805521][ T5132]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  190.805523][ T5132]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  190.805525][ T5132]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  190.805527][ T5132]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  190.805529][ T5132]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  190.805530][ T5132]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  190.805532][ T5132]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.805534][ T5132]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  190.805537][ T5132]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  190.805539][ T5132]  ____sys_sendmsg (net/socket.c:2713)
[  190.805540][ T5132]  ? copy_msghdr_from_user (net/socket.c:2650)
[  190.805542][ T5132]  ? sock_write_iter (net/socket.c:1269)
[  190.805544][ T5132]  ? move_addr_to_kernel (net/socket.c:258)
[  190.805545][ T5132]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  190.805548][ T5132]  ___sys_sendmsg (net/socket.c:2767)
[  190.805550][ T5132]  ? copy_msghdr_from_user (net/socket.c:2619)
[  190.805554][ T5132]  __sys_sendmsg (net/socket.c:2799)
[  190.805556][ T5132]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  190.805559][ T5132]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.805560][ T5132]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  190.805562][ T5132]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  190.805564][ T5132]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  190.805565][ T5132] RIP: 0033:0x7fe49149d54e
[  190.805567][ T5132] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  190.805569][ T5132] RSP: 002b:00007fffc3c80950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  190.805573][ T5132] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe49149d54e
[  190.805574][ T5132] RDX: 0000000000000000 RSI: 00007fffc3c80a00 RDI: 0000000000000005
[  190.805575][ T5132] RBP: 00007fffc3c80960 R08: 0000000000000000 R09: 0000000000000000
[  190.805576][ T5132] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a6d
[  190.805577][ T5132] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc3c810c0
| [  191.979136][ T5189] softirqs last disabled at (0): 0x0
| [  191.979138][ T5189] Preemption disabled at:
| [  191.979139][ T5189] vprintk_emit (kernel/printk/printk.c:2471)
| [  191.979149][ T5189] Tainted: [W]=WARN
[  191.979150][ T5189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  191.979152][ T5189] Call Trace:
[  191.979153][ T5189]  <TASK>
[  191.979155][ T5189]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  191.979161][ T5189]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  191.979162][ T5189]  __might_resched.cold (kernel/sched/core.c:9234)
[  191.979166][ T5189]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  191.979168][ T5189]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  191.979171][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979174][ T5189]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  191.979177][ T5189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.979180][ T5189]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.979185][ T5189]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  191.979187][ T5189]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.979189][ T5189]  put_chars (drivers/char/virtio_console.c:1176)
[  191.979191][ T5189]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  191.979193][ T5189]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  191.979195][ T5189]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  191.979200][ T5189]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  191.979202][ T5189]  ? vsnprintf (lib/vsprintf.c:2900)
[  191.979205][ T5189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.979207][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979208][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979209][ T5189]  console_emit_next_record (kernel/printk/printk.c:3183)
[  191.979212][ T5189]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  191.979214][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979215][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979216][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979218][ T5189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.979220][ T5189]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  191.979222][ T5189]  console_flush_one_record (kernel/printk/printk.c:3268)
[  191.979224][ T5189]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  191.979227][ T5189]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  191.979229][ T5189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.979231][ T5189]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  191.979232][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979233][ T5189]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.979235][ T5189]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  191.979236][ T5189]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  191.979238][ T5189]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  191.979240][ T5189]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  191.979242][ T5189]  vprintk_emit (kernel/printk/printk.c:2479)
[  191.979243][ T5189]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  191.979245][ T5189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.979246][ T5189]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  191.979249][ T5189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.979251][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979252][ T5189]  _printk (kernel/printk/printk.c:2504)
[  191.979255][ T5189]  ? snapshot_read.cold (user.c:?)
[  191.979257][ T5189]  ? br_multicast_flood (??:?)
[  191.979261][ T5189]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  191.979264][ T5189]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  191.979265][ T5189]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  191.979266][ T5189]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  191.979269][ T5189]  br_init_port (net/bridge/br_stp_if.c:39)
[  191.979271][ T5189]  new_nbp (net/bridge/br_if.c:449)
[  191.979273][ T5189]  br_add_if (net/bridge/br_if.c:592)
[  191.979275][ T5189]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  191.979279][ T5189]  do_set_master (net/core/rtnetlink.c:3071)
[  191.979281][ T5189]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  191.979283][ T5189]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  191.979284][ T5189]  ? __dev_get_by_name (net/core/dev.c:905)
[  191.979286][ T5189]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  191.979290][ T5189]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  191.979292][ T5189]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  191.979294][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979295][ T5189]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  191.979297][ T5189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.979298][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979300][ T5189]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  191.979302][ T5189]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  191.979304][ T5189]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  191.979307][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979308][ T5189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.979309][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979310][ T5189]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  191.979312][ T5189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  191.979314][ T5189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  191.979315][ T5189]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  191.979317][ T5189]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  191.979321][ T5189]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  191.979323][ T5189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  191.979325][ T5189]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.979327][ T5189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  191.979328][ T5189]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  191.979331][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979333][ T5189]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.979335][ T5189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  191.979337][ T5189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  191.979339][ T5189]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  191.979342][ T5189]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  191.979345][ T5189]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  191.979347][ T5189]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  191.979349][ T5189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.979350][ T5189]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  191.979354][ T5189]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  191.979357][ T5189]  ____sys_sendmsg (net/socket.c:2713)
[  191.979359][ T5189]  ? copy_msghdr_from_user (net/socket.c:2650)
[  191.979360][ T5189]  ? sock_write_iter (net/socket.c:1269)
[  191.979362][ T5189]  ? move_addr_to_kernel (net/socket.c:258)
[  191.979364][ T5189]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  191.979367][ T5189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.979369][ T5189]  ___sys_sendmsg (net/socket.c:2767)
[  191.979370][ T5189]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  191.979372][ T5189]  ? copy_msghdr_from_user (net/socket.c:2619)
[  191.979374][ T5189]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  191.979378][ T5189]  __sys_sendmsg (net/socket.c:2799)
[  191.979380][ T5189]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  191.979383][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979384][ T5189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.979386][ T5189]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  191.979388][ T5189]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  191.979390][ T5189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  191.979392][ T5189] RIP: 0033:0x7fa1373de54e
[  191.979394][ T5189] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  191.979395][ T5189] RSP: 002b:00007fff019f7420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  191.979399][ T5189] RAX: ffffffffffffffda RBX: 00007fff019f7be8 RCX: 00007fa1373de54e
[  191.979400][ T5189] RDX: 0000000000000000 RSI: 00007fff019f74d0 RDI: 0000000000000005
[  191.979401][ T5189] RBP: 00007fff019f7430 R08: 0000000000000000 R09: 0000000000000000
[  191.979402][ T5189] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a6e
[  191.979403][ T5189] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff019f7ba0
| [  197.578578][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  197.578580][   T12] Preemption disabled at:
| [  197.578581][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  197.578590][   T12] Tainted: [W]=WARN
[  197.578591][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  197.578593][   T12] Workqueue: netns cleanup_net
[  197.578599][   T12] Call Trace:
[  197.578601][   T12]  <TASK>
[  197.578603][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  197.578608][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  197.578610][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  197.578613][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  197.578615][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  197.578618][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.578621][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  197.578624][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  197.578627][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.578631][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  197.578633][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.578635][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  197.578637][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  197.578639][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  197.578642][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  197.578646][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  197.578648][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  197.578651][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  197.578653][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.578654][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.578656][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  197.578658][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  197.578660][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.578662][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.578663][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.578664][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.578666][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  197.578668][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  197.578670][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  197.578673][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  197.578675][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.578677][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  197.578678][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.578679][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  197.578681][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  197.578682][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  197.578684][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  197.578686][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  197.578687][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  197.578689][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  197.578690][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  197.578692][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  197.578694][   T12]  ? kthread (kernel/kthread.c:436)
[  197.578696][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  197.578699][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  197.578702][   T12]  _printk (kernel/printk/printk.c:2504)
[  197.578705][   T12]  ? snapshot_read.cold (user.c:?)
[  197.578707][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  197.578711][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  197.578713][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  197.578715][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  197.578717][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.578719][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  197.578720][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  197.578723][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  197.578725][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  197.578726][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  197.578728][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  197.578731][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  197.578735][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  197.578737][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  197.578740][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  197.578742][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  197.578744][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  197.578747][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  197.578748][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  197.578750][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.578752][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.578754][   T12]  process_one_work (kernel/workqueue.c:3387)
[  197.578757][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  197.578759][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  197.578761][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  197.578763][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  197.578766][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  197.578768][   T12]  kthread (kernel/kthread.c:436)
[  197.578770][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  197.578772][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  197.578774][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  197.578775][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  197.578777][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  197.578781][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  197.578782][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  198.912557][ T5313] softirqs last disabled at (0): 0x0
| [  198.912559][ T5313] Preemption disabled at:
| [  198.912560][ T5313] vprintk_emit (kernel/printk/printk.c:2471)
| [  198.912570][ T5313] Tainted: [W]=WARN
[  198.912571][ T5313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  198.912573][ T5313] Call Trace:
[  198.912574][ T5313]  <TASK>
[  198.912575][ T5313]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  198.912581][ T5313]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  198.912582][ T5313]  __might_resched.cold (kernel/sched/core.c:9234)
[  198.912586][ T5313]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  198.912588][ T5313]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  198.912591][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912593][ T5313]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  198.912597][ T5313]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.912600][ T5313]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.912605][ T5313]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  198.912607][ T5313]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.912609][ T5313]  put_chars (drivers/char/virtio_console.c:1176)
[  198.912611][ T5313]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  198.912613][ T5313]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  198.912615][ T5313]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  198.912620][ T5313]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  198.912621][ T5313]  ? vsnprintf (lib/vsprintf.c:2900)
[  198.912625][ T5313]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.912626][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912628][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912630][ T5313]  console_emit_next_record (kernel/printk/printk.c:3183)
[  198.912632][ T5313]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  198.912634][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912635][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912636][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912637][ T5313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.912640][ T5313]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  198.912642][ T5313]  console_flush_one_record (kernel/printk/printk.c:3268)
[  198.912644][ T5313]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  198.912647][ T5313]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  198.912649][ T5313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.912651][ T5313]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  198.912652][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912653][ T5313]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.912655][ T5313]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  198.912656][ T5313]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  198.912658][ T5313]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  198.912660][ T5313]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  198.912661][ T5313]  vprintk_emit (kernel/printk/printk.c:2479)
[  198.912663][ T5313]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  198.912664][ T5313]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.912666][ T5313]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  198.912668][ T5313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.912670][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912671][ T5313]  _printk (kernel/printk/printk.c:2504)
[  198.912674][ T5313]  ? snapshot_read.cold (user.c:?)
[  198.912676][ T5313]  ? br_multicast_flood (??:?)
[  198.912680][ T5313]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  198.912682][ T5313]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  198.912684][ T5313]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  198.912685][ T5313]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  198.912688][ T5313]  br_init_port (net/bridge/br_stp_if.c:39)
[  198.912690][ T5313]  new_nbp (net/bridge/br_if.c:449)
[  198.912692][ T5313]  br_add_if (net/bridge/br_if.c:592)
[  198.912694][ T5313]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  198.912698][ T5313]  do_set_master (net/core/rtnetlink.c:3071)
[  198.912700][ T5313]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  198.912702][ T5313]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  198.912703][ T5313]  ? __dev_get_by_name (net/core/dev.c:905)
[  198.912705][ T5313]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  198.912708][ T5313]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  198.912711][ T5313]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  198.912713][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912714][ T5313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  198.912715][ T5313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.912717][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912718][ T5313]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  198.912721][ T5313]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  198.912723][ T5313]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  198.912725][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912726][ T5313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.912728][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912729][ T5313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  198.912730][ T5313]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  198.912732][ T5313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  198.912733][ T5313]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  198.912735][ T5313]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  198.912739][ T5313]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  198.912742][ T5313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  198.912743][ T5313]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.912745][ T5313]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  198.912746][ T5313]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  198.912749][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912750][ T5313]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.912752][ T5313]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  198.912755][ T5313]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  198.912757][ T5313]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  198.912759][ T5313]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  198.912762][ T5313]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  198.912764][ T5313]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  198.912766][ T5313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.912768][ T5313]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  198.912771][ T5313]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  198.912774][ T5313]  ____sys_sendmsg (net/socket.c:2713)
[  198.912776][ T5313]  ? copy_msghdr_from_user (net/socket.c:2650)
[  198.912777][ T5313]  ? sock_write_iter (net/socket.c:1269)
[  198.912779][ T5313]  ? move_addr_to_kernel (net/socket.c:258)
[  198.912781][ T5313]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  198.912784][ T5313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.912786][ T5313]  ___sys_sendmsg (net/socket.c:2767)
[  198.912787][ T5313]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  198.912789][ T5313]  ? copy_msghdr_from_user (net/socket.c:2619)
[  198.912791][ T5313]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  198.912795][ T5313]  __sys_sendmsg (net/socket.c:2799)
[  198.912797][ T5313]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  198.912800][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912801][ T5313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.912802][ T5313]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  198.912805][ T5313]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  198.912807][ T5313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  198.912809][ T5313] RIP: 0033:0x7f3e836d054e
[  198.912811][ T5313] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  198.912812][ T5313] RSP: 002b:00007ffc5bebb650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  198.912816][ T5313] RAX: ffffffffffffffda RBX: 00007ffc5bebbe18 RCX: 00007f3e836d054e
[  198.912817][ T5313] RDX: 0000000000000000 RSI: 00007ffc5bebb700 RDI: 0000000000000005
[  198.912818][ T5313] RBP: 00007ffc5bebb660 R08: 0000000000000000 R09: 0000000000000000
[  198.912825][ T5313] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a75
[  198.912826][ T5313] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5bebbdd0
| [  200.360046][ T5382] softirqs last disabled at (0): 0x0
| [  200.360048][ T5382] Preemption disabled at:
| [  200.360049][ T5382] vprintk_emit (kernel/printk/printk.c:2471)
| [  200.360060][ T5382] Tainted: [W]=WARN
[  200.360061][ T5382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  200.360062][ T5382] Call Trace:
[  200.360064][ T5382]  <TASK>
[  200.360065][ T5382]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  200.360073][ T5382]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  200.360075][ T5382]  __might_resched.cold (kernel/sched/core.c:9234)
[  200.360078][ T5382]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  200.360082][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360084][ T5382]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  200.360087][ T5382]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  200.360090][ T5382]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.360095][ T5382]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  200.360097][ T5382]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.360099][ T5382]  put_chars (drivers/char/virtio_console.c:1176)
[  200.360101][ T5382]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  200.360102][ T5382]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  200.360104][ T5382]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  200.360107][ T5382]  ? pointer (lib/vsprintf.c:2577)
[  200.360110][ T5382]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  200.360115][ T5382]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  200.360117][ T5382]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  200.360118][ T5382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.360121][ T5382]  console_emit_next_record (kernel/printk/printk.c:3183)
[  200.360124][ T5382]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  200.360126][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360127][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360128][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360129][ T5382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.360131][ T5382]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  200.360133][ T5382]  console_flush_one_record (kernel/printk/printk.c:3268)
[  200.360135][ T5382]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  200.360138][ T5382]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  200.360140][ T5382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.360142][ T5382]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  200.360143][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360144][ T5382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  200.360146][ T5382]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  200.360147][ T5382]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  200.360149][ T5382]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  200.360151][ T5382]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  200.360152][ T5382]  vprintk_emit (kernel/printk/printk.c:2479)
[  200.360154][ T5382]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  200.360156][ T5382]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  200.360158][ T5382]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  200.360161][ T5382]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  200.360163][ T5382]  _printk (kernel/printk/printk.c:2504)
[  200.360166][ T5382]  ? snapshot_read.cold (user.c:?)
[  200.360168][ T5382]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  200.360171][ T5382]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  200.360174][ T5382]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  200.360176][ T5382]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  200.360179][ T5382]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  200.360181][ T5382]  ? netdev_notice (net/core/dev.c:13194)
[  200.360183][ T5382]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  200.360185][ T5382]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  200.360188][ T5382]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  200.360189][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360190][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360191][ T5382]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  200.360193][ T5382]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  200.360194][ T5382]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  200.360196][ T5382]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  200.360197][ T5382]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  200.360199][ T5382]  ? register_netdev (net/core/dev.c:11618)
[  200.360200][ T5382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  200.360202][ T5382]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  200.360205][ T5382]  ? __kernel_text_address (kernel/extable.c:79)
[  200.360207][ T5382]  ? write_profile (profile.c:?)
[  200.360210][ T5382]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  200.360213][ T5382]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  200.360215][ T5382]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  200.360217][ T5382]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  200.360218][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360219][ T5382]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  200.360223][ T5382]  ? kasan_save_stack (mm/kasan/common.c:58)
[  200.360224][ T5382]  ? kasan_save_stack (mm/kasan/common.c:57)
[  200.360226][ T5382]  ? kasan_save_track (mm/kasan/common.c:78)
[  200.360227][ T5382]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  200.360228][ T5382]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  200.360229][ T5382]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  200.360230][ T5382]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  200.360231][ T5382]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  200.360234][ T5382]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  200.360236][ T5382]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  200.360237][ T5382]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  200.360240][ T5382]  ? ____sys_sendmsg (net/socket.c:2713)
[  200.360241][ T5382]  ? ___sys_sendmsg (net/socket.c:2767)
[  200.360243][ T5382]  ? __sys_sendmsg (net/socket.c:2799)
[  200.360244][ T5382]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  200.360247][ T5382]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  200.360249][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360250][ T5382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.360252][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360253][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360254][ T5382]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  200.360256][ T5382]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  200.360257][ T5382]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  200.360258][ T5382]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  200.360260][ T5382]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  200.360261][ T5382]  ? nla_get_range_signed (lib/nlattr.c:270)
[  200.360264][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360266][ T5382]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  200.360268][ T5382]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  200.360270][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360271][ T5382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  200.360272][ T5382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.360274][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360275][ T5382]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  200.360277][ T5382]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  200.360279][ T5382]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  200.360280][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360281][ T5382]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  200.360285][ T5382]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  200.360287][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360288][ T5382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.360290][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360291][ T5382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  200.360292][ T5382]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  200.360294][ T5382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  200.360295][ T5382]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  200.360297][ T5382]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  200.360299][ T5382]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  200.360301][ T5382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  200.360302][ T5382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  200.360304][ T5382]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  200.360306][ T5382]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  200.360309][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360310][ T5382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  200.360312][ T5382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  200.360314][ T5382]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  200.360316][ T5382]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  200.360318][ T5382]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  200.360320][ T5382]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  200.360321][ T5382]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  200.360323][ T5382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.360325][ T5382]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  200.360328][ T5382]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  200.360330][ T5382]  ____sys_sendmsg (net/socket.c:2713)
[  200.360331][ T5382]  ? copy_msghdr_from_user (net/socket.c:2650)
[  200.360333][ T5382]  ? sock_write_iter (net/socket.c:1269)
[  200.360335][ T5382]  ? move_addr_to_kernel (net/socket.c:258)
[  200.360336][ T5382]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  200.360339][ T5382]  ___sys_sendmsg (net/socket.c:2767)
[  200.360341][ T5382]  ? copy_msghdr_from_user (net/socket.c:2619)
[  200.360346][ T5382]  __sys_sendmsg (net/socket.c:2799)
[  200.360348][ T5382]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  200.360350][ T5382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.360352][ T5382]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  200.360354][ T5382]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  200.360355][ T5382]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  200.360357][ T5382] RIP: 0033:0x7f0d7e3c954e
[  200.360359][ T5382] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  200.360361][ T5382] RSP: 002b:00007fff37fbff80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  200.360365][ T5382] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0d7e3c954e
[  200.360366][ T5382] RDX: 0000000000000000 RSI: 00007fff37fc0030 RDI: 0000000000000005
[  200.360367][ T5382] RBP: 00007fff37fbff90 R08: 0000000000000000 R09: 0000000000000000
[  200.360368][ T5382] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a76
[  200.360369][ T5382] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff37fc06f0
| [  201.482154][ T5432] softirqs last disabled at (0): 0x0
| [  201.482155][ T5432] Preemption disabled at:
| [  201.482156][ T5432] vprintk_emit (kernel/printk/printk.c:2471)
| [  201.482166][ T5432] Tainted: [W]=WARN
[  201.482167][ T5432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  201.482168][ T5432] Call Trace:
[  201.482170][ T5432]  <TASK>
[  201.482171][ T5432]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  201.482177][ T5432]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  201.482178][ T5432]  __might_resched.cold (kernel/sched/core.c:9234)
[  201.482182][ T5432]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  201.482184][ T5432]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  201.482188][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482190][ T5432]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  201.482193][ T5432]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  201.482196][ T5432]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  201.482201][ T5432]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  201.482202][ T5432]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  201.482205][ T5432]  put_chars (drivers/char/virtio_console.c:1176)
[  201.482207][ T5432]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  201.482208][ T5432]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  201.482211][ T5432]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  201.482215][ T5432]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  201.482217][ T5432]  ? vsnprintf (lib/vsprintf.c:2900)
[  201.482220][ T5432]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  201.482222][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482223][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482225][ T5432]  console_emit_next_record (kernel/printk/printk.c:3183)
[  201.482227][ T5432]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  201.482230][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482231][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482231][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482233][ T5432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.482235][ T5432]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  201.482237][ T5432]  console_flush_one_record (kernel/printk/printk.c:3268)
[  201.482239][ T5432]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  201.482242][ T5432]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  201.482244][ T5432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.482246][ T5432]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  201.482248][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482249][ T5432]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  201.482250][ T5432]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  201.482252][ T5432]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  201.482253][ T5432]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  201.482255][ T5432]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  201.482257][ T5432]  vprintk_emit (kernel/printk/printk.c:2479)
[  201.482258][ T5432]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  201.482259][ T5432]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  201.482261][ T5432]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  201.482264][ T5432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.482265][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482267][ T5432]  _printk (kernel/printk/printk.c:2504)
[  201.482270][ T5432]  ? snapshot_read.cold (user.c:?)
[  201.482272][ T5432]  ? br_multicast_flood (??:?)
[  201.482276][ T5432]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  201.482278][ T5432]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  201.482279][ T5432]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  201.482281][ T5432]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  201.482284][ T5432]  br_init_port (net/bridge/br_stp_if.c:39)
[  201.482286][ T5432]  new_nbp (net/bridge/br_if.c:449)
[  201.482288][ T5432]  br_add_if (net/bridge/br_if.c:592)
[  201.482290][ T5432]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  201.482294][ T5432]  do_set_master (net/core/rtnetlink.c:3071)
[  201.482296][ T5432]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  201.482298][ T5432]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  201.482299][ T5432]  ? __dev_get_by_name (net/core/dev.c:905)
[  201.482301][ T5432]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  201.482305][ T5432]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  201.482307][ T5432]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  201.482309][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482310][ T5432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  201.482312][ T5432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.482313][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482314][ T5432]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  201.482317][ T5432]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  201.482319][ T5432]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  201.482321][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482322][ T5432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.482324][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482325][ T5432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  201.482326][ T5432]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  201.482328][ T5432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  201.482330][ T5432]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  201.482331][ T5432]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  201.482335][ T5432]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  201.482338][ T5432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  201.482339][ T5432]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  201.482341][ T5432]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  201.482342][ T5432]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  201.482346][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482347][ T5432]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  201.482349][ T5432]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  201.482351][ T5432]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  201.482353][ T5432]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  201.482355][ T5432]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  201.482358][ T5432]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  201.482360][ T5432]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  201.482362][ T5432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.482364][ T5432]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  201.482367][ T5432]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  201.482370][ T5432]  ____sys_sendmsg (net/socket.c:2713)
[  201.482372][ T5432]  ? copy_msghdr_from_user (net/socket.c:2650)
[  201.482373][ T5432]  ? sock_write_iter (net/socket.c:1269)
[  201.482375][ T5432]  ? move_addr_to_kernel (net/socket.c:258)
[  201.482377][ T5432]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  201.482380][ T5432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.482381][ T5432]  ___sys_sendmsg (net/socket.c:2767)
[  201.482383][ T5432]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  201.482385][ T5432]  ? copy_msghdr_from_user (net/socket.c:2619)
[  201.482387][ T5432]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  201.482391][ T5432]  __sys_sendmsg (net/socket.c:2799)
[  201.482393][ T5432]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  201.482396][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482397][ T5432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.482398][ T5432]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  201.482401][ T5432]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  201.482403][ T5432]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  201.482404][ T5432] RIP: 0033:0x7ff1e33d454e
[  201.482406][ T5432] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  201.482408][ T5432] RSP: 002b:00007fff3e0fa3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  201.482412][ T5432] RAX: ffffffffffffffda RBX: 00007fff3e0fab98 RCX: 00007ff1e33d454e
[  201.482413][ T5432] RDX: 0000000000000000 RSI: 00007fff3e0fa480 RDI: 0000000000000005
[  201.482414][ T5432] RBP: 00007fff3e0fa3e0 R08: 0000000000000000 R09: 0000000000000000
[  201.482415][ T5432] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a77
[  201.482416][ T5432] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3e0fab50
| [  215.025774][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  215.025777][   T12] Preemption disabled at:
| [  215.025777][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  215.025787][   T12] Tainted: [W]=WARN
[  215.025788][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  215.025789][   T12] Workqueue: netns cleanup_net
[  215.025796][   T12] Call Trace:
[  215.025798][   T12]  <TASK>
[  215.025799][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  215.025805][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  215.025806][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  215.025810][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  215.025812][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  215.025815][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.025818][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  215.025821][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  215.025824][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  215.025828][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  215.025830][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  215.025833][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  215.025834][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  215.025836][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  215.025839][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  215.025843][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  215.025845][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  215.025848][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  215.025850][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.025851][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.025853][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  215.025856][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  215.025858][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.025859][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.025860][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.025861][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.025863][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  215.025865][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  215.025868][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  215.025871][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  215.025873][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.025874][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  215.025876][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.025877][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.025879][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  215.025880][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  215.025882][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  215.025883][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  215.025885][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  215.025886][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  215.025888][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  215.025889][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  215.025892][   T12]  ? kthread (kernel/kthread.c:436)
[  215.025894][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  215.025897][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  215.025899][   T12]  _printk (kernel/printk/printk.c:2504)
[  215.025903][   T12]  ? snapshot_read.cold (user.c:?)
[  215.025905][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  215.025908][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  215.025911][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  215.025913][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  215.025916][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.025917][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  215.025925][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  215.025928][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  215.025930][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  215.025931][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  215.025934][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  215.025936][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  215.025940][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  215.025943][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  215.025945][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  215.025947][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  215.025949][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  215.025952][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  215.025954][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  215.025956][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.025958][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.025959][   T12]  process_one_work (kernel/workqueue.c:3387)
[  215.025962][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  215.025965][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  215.025967][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  215.025970][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  215.025972][   T12]  kthread (kernel/kthread.c:436)
[  215.025974][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  215.025976][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  215.025977][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  215.025979][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  215.025981][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  215.025984][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  215.025986][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  217.291318][ T5768] softirqs last disabled at (0): 0x0
| [  217.291320][ T5768] Preemption disabled at:
| [  217.291321][ T5768] vprintk_emit (kernel/printk/printk.c:2471)
| [  217.291331][ T5768] Tainted: [W]=WARN
[  217.291332][ T5768] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  217.291334][ T5768] Call Trace:
[  217.291335][ T5768]  <TASK>
[  217.291337][ T5768]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  217.291342][ T5768]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  217.291343][ T5768]  __might_resched.cold (kernel/sched/core.c:9234)
[  217.291348][ T5768]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  217.291351][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291354][ T5768]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  217.291357][ T5768]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  217.291360][ T5768]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.291365][ T5768]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  217.291367][ T5768]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.291369][ T5768]  put_chars (drivers/char/virtio_console.c:1176)
[  217.291371][ T5768]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  217.291372][ T5768]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  217.291374][ T5768]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  217.291376][ T5768]  ? pointer (lib/vsprintf.c:2577)
[  217.291380][ T5768]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  217.291385][ T5768]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  217.291386][ T5768]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  217.291388][ T5768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.291391][ T5768]  console_emit_next_record (kernel/printk/printk.c:3183)
[  217.291394][ T5768]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  217.291396][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291397][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291398][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291399][ T5768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.291401][ T5768]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  217.291403][ T5768]  console_flush_one_record (kernel/printk/printk.c:3268)
[  217.291405][ T5768]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  217.291408][ T5768]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  217.291410][ T5768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.291412][ T5768]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  217.291413][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291414][ T5768]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.291416][ T5768]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  217.291417][ T5768]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  217.291419][ T5768]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  217.291421][ T5768]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  217.291423][ T5768]  vprintk_emit (kernel/printk/printk.c:2479)
[  217.291424][ T5768]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  217.291425][ T5768]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  217.291428][ T5768]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  217.291431][ T5768]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  217.291433][ T5768]  _printk (kernel/printk/printk.c:2504)
[  217.291436][ T5768]  ? snapshot_read.cold (user.c:?)
[  217.291438][ T5768]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  217.291441][ T5768]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  217.291444][ T5768]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  217.291446][ T5768]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  217.291449][ T5768]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  217.291452][ T5768]  ? netdev_notice (net/core/dev.c:13194)
[  217.291454][ T5768]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  217.291455][ T5768]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  217.291458][ T5768]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  217.291460][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291461][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291462][ T5768]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  217.291463][ T5768]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  217.291465][ T5768]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  217.291466][ T5768]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  217.291467][ T5768]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  217.291469][ T5768]  ? register_netdev (net/core/dev.c:11618)
[  217.291471][ T5768]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.291473][ T5768]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  217.291475][ T5768]  ? __kernel_text_address (kernel/extable.c:79)
[  217.291478][ T5768]  ? write_profile (profile.c:?)
[  217.291481][ T5768]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  217.291485][ T5768]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  217.291487][ T5768]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  217.291488][ T5768]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  217.291490][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291491][ T5768]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  217.291494][ T5768]  ? kasan_save_stack (mm/kasan/common.c:58)
[  217.291496][ T5768]  ? kasan_save_stack (mm/kasan/common.c:57)
[  217.291497][ T5768]  ? kasan_save_track (mm/kasan/common.c:78)
[  217.291498][ T5768]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  217.291500][ T5768]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  217.291501][ T5768]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  217.291502][ T5768]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  217.291503][ T5768]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  217.291506][ T5768]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.291508][ T5768]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.291510][ T5768]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  217.291512][ T5768]  ? ____sys_sendmsg (net/socket.c:2713)
[  217.291514][ T5768]  ? ___sys_sendmsg (net/socket.c:2767)
[  217.291515][ T5768]  ? __sys_sendmsg (net/socket.c:2799)
[  217.291517][ T5768]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  217.291520][ T5768]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.291522][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291524][ T5768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.291525][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291526][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291527][ T5768]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  217.291529][ T5768]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  217.291530][ T5768]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  217.291531][ T5768]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  217.291533][ T5768]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  217.291534][ T5768]  ? nla_get_range_signed (lib/nlattr.c:270)
[  217.291538][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291539][ T5768]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  217.291541][ T5768]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  217.291543][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291544][ T5768]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.291545][ T5768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.291547][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291548][ T5768]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  217.291551][ T5768]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  217.291553][ T5768]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  217.291554][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291555][ T5768]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  217.291559][ T5768]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  217.291561][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291562][ T5768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.291564][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291565][ T5768]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.291567][ T5768]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  217.291568][ T5768]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  217.291570][ T5768]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  217.291571][ T5768]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  217.291574][ T5768]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  217.291576][ T5768]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  217.291577][ T5768]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.291579][ T5768]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  217.291580][ T5768]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  217.291583][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291584][ T5768]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.291586][ T5768]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.291589][ T5768]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  217.291591][ T5768]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.291592][ T5768]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.291595][ T5768]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  217.291596][ T5768]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  217.291598][ T5768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.291599][ T5768]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  217.291603][ T5768]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  217.291604][ T5768]  ____sys_sendmsg (net/socket.c:2713)
[  217.291606][ T5768]  ? copy_msghdr_from_user (net/socket.c:2650)
[  217.291608][ T5768]  ? sock_write_iter (net/socket.c:1269)
[  217.291609][ T5768]  ? move_addr_to_kernel (net/socket.c:258)
[  217.291611][ T5768]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  217.291613][ T5768]  ___sys_sendmsg (net/socket.c:2767)
[  217.291615][ T5768]  ? copy_msghdr_from_user (net/socket.c:2619)
[  217.291620][ T5768]  __sys_sendmsg (net/socket.c:2799)
[  217.291622][ T5768]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  217.291625][ T5768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.291627][ T5768]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  217.291629][ T5768]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  217.291631][ T5768]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.291633][ T5768] RIP: 0033:0x7f19f1ac054e
[  217.291635][ T5768] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  217.291637][ T5768] RSP: 002b:00007ffff13164b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  217.291641][ T5768] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f19f1ac054e
[  217.291643][ T5768] RDX: 0000000000000000 RSI: 00007ffff1316560 RDI: 0000000000000005
[  217.291644][ T5768] RBP: 00007ffff13164c0 R08: 0000000000000000 R09: 0000000000000000
[  217.291644][ T5768] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a87
[  217.291645][ T5768] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff1316c20
| [  218.431151][ T5843] softirqs last disabled at (0): 0x0
| [  218.431152][ T5843] Preemption disabled at:
| [  218.431153][ T5843] vprintk_emit (kernel/printk/printk.c:2471)
| [  218.431163][ T5843] Tainted: [W]=WARN
[  218.431164][ T5843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  218.431165][ T5843] Call Trace:
[  218.431167][ T5843]  <TASK>
[  218.431168][ T5843]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  218.431174][ T5843]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  218.431176][ T5843]  __might_resched.cold (kernel/sched/core.c:9234)
[  218.431179][ T5843]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  218.431182][ T5843]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  218.431185][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431187][ T5843]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  218.431190][ T5843]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  218.431193][ T5843]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.431198][ T5843]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  218.431200][ T5843]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.431203][ T5843]  put_chars (drivers/char/virtio_console.c:1176)
[  218.431205][ T5843]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  218.431206][ T5843]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  218.431209][ T5843]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  218.431214][ T5843]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  218.431215][ T5843]  ? vsnprintf (lib/vsprintf.c:2900)
[  218.431218][ T5843]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  218.431220][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431221][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431223][ T5843]  console_emit_next_record (kernel/printk/printk.c:3183)
[  218.431226][ T5843]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  218.431228][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431229][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431230][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431231][ T5843]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.431233][ T5843]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  218.431235][ T5843]  console_flush_one_record (kernel/printk/printk.c:3268)
[  218.431238][ T5843]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  218.431240][ T5843]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  218.431242][ T5843]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.431244][ T5843]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  218.431246][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431247][ T5843]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  218.431248][ T5843]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  218.431250][ T5843]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  218.431251][ T5843]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  218.431253][ T5843]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  218.431255][ T5843]  vprintk_emit (kernel/printk/printk.c:2479)
[  218.431257][ T5843]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  218.431258][ T5843]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  218.431259][ T5843]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  218.431262][ T5843]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.431264][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431265][ T5843]  _printk (kernel/printk/printk.c:2504)
[  218.431268][ T5843]  ? snapshot_read.cold (user.c:?)
[  218.431271][ T5843]  ? br_multicast_flood (??:?)
[  218.431274][ T5843]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  218.431277][ T5843]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  218.431278][ T5843]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  218.431279][ T5843]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  218.431282][ T5843]  br_init_port (net/bridge/br_stp_if.c:39)
[  218.431284][ T5843]  new_nbp (net/bridge/br_if.c:449)
[  218.431286][ T5843]  br_add_if (net/bridge/br_if.c:592)
[  218.431288][ T5843]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  218.431292][ T5843]  do_set_master (net/core/rtnetlink.c:3071)
[  218.431294][ T5843]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  218.431296][ T5843]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  218.431297][ T5843]  ? __dev_get_by_name (net/core/dev.c:905)
[  218.431299][ T5843]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  218.431303][ T5843]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  218.431305][ T5843]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  218.431307][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431309][ T5843]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.431310][ T5843]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.431311][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431313][ T5843]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  218.431315][ T5843]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  218.431317][ T5843]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  218.431319][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431321][ T5843]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.431322][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431323][ T5843]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.431324][ T5843]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  218.431326][ T5843]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  218.431327][ T5843]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  218.431329][ T5843]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  218.431333][ T5843]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  218.431336][ T5843]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  218.431337][ T5843]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  218.431339][ T5843]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  218.431340][ T5843]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  218.431343][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431344][ T5843]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  218.431346][ T5843]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  218.431349][ T5843]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  218.431351][ T5843]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  218.431353][ T5843]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  218.431356][ T5843]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  218.431359][ T5843]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  218.431361][ T5843]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.431362][ T5843]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  218.431366][ T5843]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  218.431369][ T5843]  ____sys_sendmsg (net/socket.c:2713)
[  218.431371][ T5843]  ? copy_msghdr_from_user (net/socket.c:2650)
[  218.431372][ T5843]  ? sock_write_iter (net/socket.c:1269)
[  218.431374][ T5843]  ? move_addr_to_kernel (net/socket.c:258)
[  218.431376][ T5843]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  218.431379][ T5843]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.431381][ T5843]  ___sys_sendmsg (net/socket.c:2767)
[  218.431383][ T5843]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  218.431384][ T5843]  ? copy_msghdr_from_user (net/socket.c:2619)
[  218.431386][ T5843]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  218.431391][ T5843]  __sys_sendmsg (net/socket.c:2799)
[  218.431393][ T5843]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  218.431395][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431397][ T5843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.431398][ T5843]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  218.431400][ T5843]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  218.431402][ T5843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  218.431404][ T5843] RIP: 0033:0x7fd48ef8f54e
[  218.431407][ T5843] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  218.431408][ T5843] RSP: 002b:00007ffdb6a6f1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  218.431412][ T5843] RAX: ffffffffffffffda RBX: 00007ffdb6a6f9a8 RCX: 00007fd48ef8f54e
[  218.431414][ T5843] RDX: 0000000000000000 RSI: 00007ffdb6a6f290 RDI: 0000000000000005
[  218.431415][ T5843] RBP: 00007ffdb6a6f1f0 R08: 0000000000000000 R09: 0000000000000000
[  218.431416][ T5843] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a88
[  218.431417][ T5843] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb6a6f960
| [  219.663288][ T5902] softirqs last disabled at (0): 0x0
| [  219.663290][ T5902] Preemption disabled at:
| [  219.663291][ T5902] vprintk_emit (kernel/printk/printk.c:2471)
| [  219.663301][ T5902] Tainted: [W]=WARN
[  219.663302][ T5902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  219.663303][ T5902] Call Trace:
[  219.663305][ T5902]  <TASK>
[  219.663306][ T5902]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  219.663312][ T5902]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  219.663313][ T5902]  __might_resched.cold (kernel/sched/core.c:9234)
[  219.663317][ T5902]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  219.663319][ T5902]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  219.663323][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663325][ T5902]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  219.663328][ T5902]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  219.663332][ T5902]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.663337][ T5902]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  219.663339][ T5902]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.663341][ T5902]  put_chars (drivers/char/virtio_console.c:1176)
[  219.663343][ T5902]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  219.663345][ T5902]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22))
[  219.663347][ T5902]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  219.663349][ T5902]  ? __schedule (kernel/sched/core.c:7277)
[  219.663354][ T5902]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  219.663359][ T5902]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  219.663360][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663362][ T5902]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  219.663363][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663364][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663366][ T5902]  console_emit_next_record (kernel/printk/printk.c:3183)
[  219.663369][ T5902]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  219.663371][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663373][ T5902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.663375][ T5902]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  219.663377][ T5902]  console_flush_one_record (kernel/printk/printk.c:3268)
[  219.663380][ T5902]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  219.663382][ T5902]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  219.663384][ T5902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.663386][ T5902]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  219.663388][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663389][ T5902]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.663391][ T5902]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  219.663392][ T5902]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  219.663394][ T5902]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  219.663396][ T5902]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  219.663397][ T5902]  vprintk_emit (kernel/printk/printk.c:2479)
[  219.663399][ T5902]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  219.663400][ T5902]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  219.663402][ T5902]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  219.663405][ T5902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.663407][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663408][ T5902]  _printk (kernel/printk/printk.c:2504)
[  219.663411][ T5902]  ? snapshot_read.cold (user.c:?)
[  219.663413][ T5902]  ? br_multicast_flood (??:?)
[  219.663417][ T5902]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  219.663420][ T5902]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  219.663421][ T5902]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  219.663423][ T5902]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  219.663426][ T5902]  br_init_port (net/bridge/br_stp_if.c:39)
[  219.663427][ T5902]  new_nbp (net/bridge/br_if.c:449)
[  219.663430][ T5902]  br_add_if (net/bridge/br_if.c:592)
[  219.663431][ T5902]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  219.663436][ T5902]  do_set_master (net/core/rtnetlink.c:3071)
[  219.663438][ T5902]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  219.663440][ T5902]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  219.663441][ T5902]  ? __dev_get_by_name (net/core/dev.c:905)
[  219.663443][ T5902]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  219.663447][ T5902]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  219.663449][ T5902]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  219.663451][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663453][ T5902]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.663454][ T5902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.663456][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663457][ T5902]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  219.663460][ T5902]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  219.663462][ T5902]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  219.663464][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663465][ T5902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.663467][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663468][ T5902]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.663470][ T5902]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  219.663472][ T5902]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.663473][ T5902]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  219.663475][ T5902]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  219.663479][ T5902]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  219.663482][ T5902]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.663483][ T5902]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.663485][ T5902]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  219.663487][ T5902]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  219.663490][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663491][ T5902]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.663493][ T5902]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  219.663495][ T5902]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  219.663497][ T5902]  ? next_uptodate_folio (mm/filemap.c:3747)
[  219.663501][ T5902]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  219.663503][ T5902]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  219.663505][ T5902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.663507][ T5902]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  219.663510][ T5902]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  219.663513][ T5902]  ____sys_sendmsg (net/socket.c:2713)
[  219.663515][ T5902]  ? copy_msghdr_from_user (net/socket.c:2650)
[  219.663517][ T5902]  ? sock_write_iter (net/socket.c:1269)
[  219.663519][ T5902]  ? move_addr_to_kernel (net/socket.c:258)
[  219.663521][ T5902]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  219.663523][ T5902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.663525][ T5902]  ___sys_sendmsg (net/socket.c:2767)
[  219.663527][ T5902]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  219.663529][ T5902]  ? copy_msghdr_from_user (net/socket.c:2619)
[  219.663531][ T5902]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  219.663535][ T5902]  __sys_sendmsg (net/socket.c:2799)
[  219.663538][ T5902]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  219.663540][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663541][ T5902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.663543][ T5902]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  219.663546][ T5902]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  219.663548][ T5902]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.663550][ T5902] RIP: 0033:0x7fc1aa91654e
[  219.663552][ T5902] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  219.663554][ T5902] RSP: 002b:00007ffc7f623f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  219.663558][ T5902] RAX: ffffffffffffffda RBX: 00007ffc7f624738 RCX: 00007fc1aa91654e
[  219.663560][ T5902] RDX: 0000000000000000 RSI: 00007ffc7f624020 RDI: 0000000000000005
[  219.663561][ T5902] RBP: 00007ffc7f623f80 R08: 0000000000000000 R09: 0000000000000000
[  219.663562][ T5902] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a8a
[  219.663563][ T5902] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7f6246f0
| [  314.890541][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  314.890544][   T12] Preemption disabled at:
| [  314.890544][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  314.890553][   T12] Tainted: [W]=WARN
[  314.890554][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  314.890556][   T12] Workqueue: netns cleanup_net
[  314.890562][   T12] Call Trace:
[  314.890563][   T12]  <TASK>
[  314.890565][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  314.890571][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  314.890572][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  314.890576][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  314.890578][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  314.890581][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.890583][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  314.890586][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  314.890589][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  314.890593][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  314.890595][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  314.890597][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  314.890599][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  314.890601][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  314.890603][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  314.890608][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  314.890609][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  314.890613][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  314.890614][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.890615][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.890617][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  314.890620][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  314.890622][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.890623][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.890625][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  314.890627][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  314.890630][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  314.890633][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  314.890634][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.890636][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  314.890638][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.890639][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  314.890640][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  314.890642][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  314.890643][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  314.890645][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  314.890647][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  314.890648][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  314.890649][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  314.890651][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  314.890654][   T12]  ? kthread (kernel/kthread.c:436)
[  314.890656][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  314.890659][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  314.890661][   T12]  _printk (kernel/printk/printk.c:2504)
[  314.890664][   T12]  ? snapshot_read.cold (user.c:?)
[  314.890666][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  314.890669][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  314.890672][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  314.890673][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  314.890676][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.890677][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  314.890678][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  314.890681][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  314.890683][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  314.890684][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  314.890686][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  314.890688][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  314.890692][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  314.890694][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  314.890697][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  314.890699][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  314.890701][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  314.890704][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  314.890705][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  314.890707][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  314.890710][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.890711][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.890713][   T12]  process_one_work (kernel/workqueue.c:3387)
[  314.890716][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  314.890718][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  314.890721][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  314.890723][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  314.890725][   T12]  kthread (kernel/kthread.c:436)
[  314.890727][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  314.890729][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  314.890731][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  314.890732][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  314.890734][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  314.890737][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  314.890739][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  317.146990][ T6570] softirqs last disabled at (0): 0x0
| [  317.146991][ T6570] Preemption disabled at:
| [  317.146992][ T6570] vprintk_emit (kernel/printk/printk.c:2471)
| [  317.147002][ T6570] Tainted: [W]=WARN
[  317.147003][ T6570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  317.147006][ T6570] Call Trace:
[  317.147007][ T6570]  <TASK>
[  317.147008][ T6570]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  317.147014][ T6570]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  317.147015][ T6570]  __might_resched.cold (kernel/sched/core.c:9234)
[  317.147019][ T6570]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  317.147022][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147025][ T6570]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  317.147028][ T6570]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  317.147031][ T6570]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  317.147037][ T6570]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  317.147040][ T6570]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  317.147044][ T6570]  put_chars (drivers/char/virtio_console.c:1176)
[  317.147046][ T6570]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  317.147047][ T6570]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  317.147050][ T6570]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  317.147052][ T6570]  ? pointer (lib/vsprintf.c:2577)
[  317.147056][ T6570]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  317.147060][ T6570]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  317.147062][ T6570]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  317.147064][ T6570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  317.147070][ T6570]  console_emit_next_record (kernel/printk/printk.c:3183)
[  317.147073][ T6570]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  317.147075][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147076][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147077][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147078][ T6570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  317.147080][ T6570]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  317.147082][ T6570]  console_flush_one_record (kernel/printk/printk.c:3268)
[  317.147085][ T6570]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  317.147087][ T6570]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  317.147089][ T6570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  317.147091][ T6570]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  317.147093][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147094][ T6570]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  317.147095][ T6570]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  317.147097][ T6570]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  317.147098][ T6570]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  317.147100][ T6570]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  317.147102][ T6570]  vprintk_emit (kernel/printk/printk.c:2479)
[  317.147103][ T6570]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  317.147105][ T6570]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  317.147107][ T6570]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  317.147110][ T6570]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  317.147113][ T6570]  _printk (kernel/printk/printk.c:2504)
[  317.147116][ T6570]  ? snapshot_read.cold (user.c:?)
[  317.147118][ T6570]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  317.147120][ T6570]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  317.147123][ T6570]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  317.147125][ T6570]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  317.147129][ T6570]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  317.147131][ T6570]  ? netdev_notice (net/core/dev.c:13194)
[  317.147133][ T6570]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  317.147135][ T6570]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  317.147137][ T6570]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  317.147139][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147140][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147141][ T6570]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  317.147143][ T6570]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  317.147144][ T6570]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  317.147145][ T6570]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  317.147147][ T6570]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  317.147149][ T6570]  ? register_netdev (net/core/dev.c:11618)
[  317.147150][ T6570]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  317.147152][ T6570]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  317.147154][ T6570]  ? __kernel_text_address (kernel/extable.c:79)
[  317.147157][ T6570]  ? write_profile (profile.c:?)
[  317.147160][ T6570]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  317.147164][ T6570]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  317.147165][ T6570]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  317.147167][ T6570]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  317.147168][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147169][ T6570]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  317.147172][ T6570]  ? kasan_save_stack (mm/kasan/common.c:58)
[  317.147174][ T6570]  ? kasan_save_stack (mm/kasan/common.c:57)
[  317.147175][ T6570]  ? kasan_save_track (mm/kasan/common.c:78)
[  317.147176][ T6570]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  317.147178][ T6570]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  317.147179][ T6570]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  317.147180][ T6570]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  317.147181][ T6570]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  317.147184][ T6570]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  317.147186][ T6570]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  317.147187][ T6570]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  317.147190][ T6570]  ? ____sys_sendmsg (net/socket.c:2713)
[  317.147191][ T6570]  ? ___sys_sendmsg (net/socket.c:2767)
[  317.147193][ T6570]  ? __sys_sendmsg (net/socket.c:2799)
[  317.147194][ T6570]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  317.147197][ T6570]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  317.147199][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147200][ T6570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  317.147202][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147203][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147204][ T6570]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  317.147205][ T6570]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  317.147207][ T6570]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  317.147208][ T6570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  317.147210][ T6570]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  317.147211][ T6570]  ? nla_get_range_signed (lib/nlattr.c:270)
[  317.147214][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147215][ T6570]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  317.147217][ T6570]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  317.147220][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147221][ T6570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  317.147222][ T6570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  317.147224][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147225][ T6570]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  317.147227][ T6570]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  317.147229][ T6570]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  317.147230][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147231][ T6570]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  317.147235][ T6570]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  317.147237][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147238][ T6570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  317.147240][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147241][ T6570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  317.147242][ T6570]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  317.147244][ T6570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  317.147246][ T6570]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  317.147247][ T6570]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  317.147249][ T6570]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  317.147251][ T6570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  317.147253][ T6570]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  317.147254][ T6570]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  317.147256][ T6570]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  317.147259][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147260][ T6570]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  317.147262][ T6570]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  317.147264][ T6570]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  317.147266][ T6570]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  317.147268][ T6570]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  317.147270][ T6570]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  317.147272][ T6570]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  317.147273][ T6570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  317.147275][ T6570]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  317.147278][ T6570]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  317.147280][ T6570]  ____sys_sendmsg (net/socket.c:2713)
[  317.147282][ T6570]  ? copy_msghdr_from_user (net/socket.c:2650)
[  317.147284][ T6570]  ? sock_write_iter (net/socket.c:1269)
[  317.147285][ T6570]  ? move_addr_to_kernel (net/socket.c:258)
[  317.147287][ T6570]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  317.147289][ T6570]  ___sys_sendmsg (net/socket.c:2767)
[  317.147291][ T6570]  ? copy_msghdr_from_user (net/socket.c:2619)
[  317.147296][ T6570]  __sys_sendmsg (net/socket.c:2799)
[  317.147298][ T6570]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  317.147301][ T6570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  317.147302][ T6570]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  317.147304][ T6570]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  317.147306][ T6570]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  317.147307][ T6570] RIP: 0033:0x7f2fee67854e
[  317.147309][ T6570] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  317.147311][ T6570] RSP: 002b:00007ffdad5f3840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  317.147315][ T6570] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2fee67854e
[  317.147316][ T6570] RDX: 0000000000000000 RSI: 00007ffdad5f38f0 RDI: 0000000000000005
[  317.147317][ T6570] RBP: 00007ffdad5f3850 R08: 0000000000000000 R09: 0000000000000000
[  317.147318][ T6570] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917aeb
[  317.147319][ T6570] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdad5f3fb0
| [  318.307615][ T6644] softirqs last disabled at (0): 0x0
| [  318.307617][ T6644] Preemption disabled at:
| [  318.307618][ T6644] vprintk_emit (kernel/printk/printk.c:2471)
| [  318.307629][ T6644] Tainted: [W]=WARN
[  318.307629][ T6644] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  318.307631][ T6644] Call Trace:
[  318.307633][ T6644]  <TASK>
[  318.307634][ T6644]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  318.307640][ T6644]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  318.307641][ T6644]  __might_resched.cold (kernel/sched/core.c:9234)
[  318.307645][ T6644]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  318.307647][ T6644]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  318.307651][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307653][ T6644]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  318.307656][ T6644]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  318.307660][ T6644]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  318.307664][ T6644]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  318.307666][ T6644]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  318.307669][ T6644]  put_chars (drivers/char/virtio_console.c:1176)
[  318.307671][ T6644]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  318.307673][ T6644]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  318.307676][ T6644]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  318.307680][ T6644]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  318.307682][ T6644]  ? vsnprintf (lib/vsprintf.c:2900)
[  318.307685][ T6644]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  318.307687][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307689][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307690][ T6644]  console_emit_next_record (kernel/printk/printk.c:3183)
[  318.307693][ T6644]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  318.307695][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307696][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307698][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307699][ T6644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  318.307701][ T6644]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  318.307703][ T6644]  console_flush_one_record (kernel/printk/printk.c:3268)
[  318.307706][ T6644]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  318.307709][ T6644]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  318.307711][ T6644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  318.307713][ T6644]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  318.307714][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307715][ T6644]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  318.307717][ T6644]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  318.307719][ T6644]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  318.307720][ T6644]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  318.307723][ T6644]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  318.307724][ T6644]  vprintk_emit (kernel/printk/printk.c:2479)
[  318.307726][ T6644]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  318.307727][ T6644]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  318.307729][ T6644]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  318.307732][ T6644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  318.307733][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307735][ T6644]  _printk (kernel/printk/printk.c:2504)
[  318.307738][ T6644]  ? snapshot_read.cold (user.c:?)
[  318.307740][ T6644]  ? br_multicast_flood (??:?)
[  318.307744][ T6644]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  318.307747][ T6644]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  318.307748][ T6644]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  318.307750][ T6644]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  318.307753][ T6644]  br_init_port (net/bridge/br_stp_if.c:39)
[  318.307755][ T6644]  new_nbp (net/bridge/br_if.c:449)
[  318.307757][ T6644]  br_add_if (net/bridge/br_if.c:592)
[  318.307759][ T6644]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  318.307763][ T6644]  do_set_master (net/core/rtnetlink.c:3071)
[  318.307765][ T6644]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  318.307767][ T6644]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  318.307769][ T6644]  ? __dev_get_by_name (net/core/dev.c:905)
[  318.307771][ T6644]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  318.307775][ T6644]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  318.307777][ T6644]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  318.307780][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307781][ T6644]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  318.307782][ T6644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  318.307784][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307786][ T6644]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  318.307788][ T6644]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  318.307790][ T6644]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  318.307792][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307794][ T6644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  318.307795][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307797][ T6644]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  318.307798][ T6644]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  318.307800][ T6644]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  318.307802][ T6644]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  318.307803][ T6644]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  318.307807][ T6644]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  318.307810][ T6644]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  318.307812][ T6644]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  318.307814][ T6644]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  318.307815][ T6644]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  318.307818][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307820][ T6644]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  318.307822][ T6644]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  318.307824][ T6644]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  318.307826][ T6644]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  318.307829][ T6644]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  318.307832][ T6644]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  318.307835][ T6644]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  318.307837][ T6644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  318.307838][ T6644]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  318.307842][ T6644]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  318.307845][ T6644]  ____sys_sendmsg (net/socket.c:2713)
[  318.307847][ T6644]  ? copy_msghdr_from_user (net/socket.c:2650)
[  318.307849][ T6644]  ? sock_write_iter (net/socket.c:1269)
[  318.307851][ T6644]  ? move_addr_to_kernel (net/socket.c:258)
[  318.307853][ T6644]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  318.307855][ T6644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  318.307858][ T6644]  ___sys_sendmsg (net/socket.c:2767)
[  318.307859][ T6644]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  318.307861][ T6644]  ? copy_msghdr_from_user (net/socket.c:2619)
[  318.307863][ T6644]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  318.307868][ T6644]  __sys_sendmsg (net/socket.c:2799)
[  318.307870][ T6644]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  318.307873][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307874][ T6644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.307876][ T6644]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  318.307878][ T6644]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  318.307880][ T6644]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  318.307882][ T6644] RIP: 0033:0x7fd08d3d854e
[  318.307884][ T6644] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  318.307886][ T6644] RSP: 002b:00007fff17a81540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  318.307890][ T6644] RAX: ffffffffffffffda RBX: 00007fff17a81d08 RCX: 00007fd08d3d854e
[  318.307892][ T6644] RDX: 0000000000000000 RSI: 00007fff17a815f0 RDI: 0000000000000005
[  318.307893][ T6644] RBP: 00007fff17a81550 R08: 0000000000000000 R09: 0000000000000000
[  318.307894][ T6644] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917aec
[  318.307895][ T6644] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff17a81cc0
| [  319.466731][ T6703] softirqs last disabled at (0): 0x0
| [  319.466733][ T6703] Preemption disabled at:
| [  319.466734][ T6703] vprintk_emit (kernel/printk/printk.c:2471)
| [  319.466745][ T6703] Tainted: [W]=WARN
[  319.466746][ T6703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  319.466747][ T6703] Call Trace:
[  319.466749][ T6703]  <TASK>
[  319.466750][ T6703]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  319.466755][ T6703]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  319.466757][ T6703]  __might_resched.cold (kernel/sched/core.c:9234)
[  319.466760][ T6703]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  319.466763][ T6703]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  319.466766][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466769][ T6703]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  319.466772][ T6703]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  319.466775][ T6703]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  319.466780][ T6703]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  319.466782][ T6703]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  319.466784][ T6703]  put_chars (drivers/char/virtio_console.c:1176)
[  319.466786][ T6703]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  319.466788][ T6703]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  319.466791][ T6703]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  319.466795][ T6703]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  319.466797][ T6703]  ? vsnprintf (lib/vsprintf.c:2900)
[  319.466801][ T6703]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  319.466802][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466803][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466805][ T6703]  console_emit_next_record (kernel/printk/printk.c:3183)
[  319.466808][ T6703]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  319.466810][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466811][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466812][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466813][ T6703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.466816][ T6703]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  319.466818][ T6703]  console_flush_one_record (kernel/printk/printk.c:3268)
[  319.466820][ T6703]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  319.466823][ T6703]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  319.466825][ T6703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.466826][ T6703]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  319.466828][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466830][ T6703]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  319.466831][ T6703]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  319.466833][ T6703]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  319.466834][ T6703]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  319.466836][ T6703]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  319.466838][ T6703]  vprintk_emit (kernel/printk/printk.c:2479)
[  319.466840][ T6703]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  319.466841][ T6703]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  319.466843][ T6703]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  319.466846][ T6703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.466847][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466849][ T6703]  _printk (kernel/printk/printk.c:2504)
[  319.466852][ T6703]  ? snapshot_read.cold (user.c:?)
[  319.466854][ T6703]  ? br_multicast_flood (??:?)
[  319.466857][ T6703]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  319.466860][ T6703]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  319.466861][ T6703]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  319.466863][ T6703]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  319.466866][ T6703]  br_init_port (net/bridge/br_stp_if.c:39)
[  319.466868][ T6703]  new_nbp (net/bridge/br_if.c:449)
[  319.466870][ T6703]  br_add_if (net/bridge/br_if.c:592)
[  319.466872][ T6703]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  319.466876][ T6703]  do_set_master (net/core/rtnetlink.c:3071)
[  319.466878][ T6703]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  319.466880][ T6703]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  319.466882][ T6703]  ? __dev_get_by_name (net/core/dev.c:905)
[  319.466883][ T6703]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  319.466887][ T6703]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  319.466890][ T6703]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  319.466892][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466893][ T6703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  319.466894][ T6703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.466896][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466897][ T6703]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  319.466900][ T6703]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  319.466902][ T6703]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  319.466904][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466905][ T6703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.466907][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466908][ T6703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  319.466910][ T6703]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  319.466912][ T6703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  319.466913][ T6703]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  319.466915][ T6703]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  319.466918][ T6703]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  319.466922][ T6703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  319.466923][ T6703]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  319.466925][ T6703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  319.466926][ T6703]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  319.466929][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466930][ T6703]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  319.466933][ T6703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  319.466935][ T6703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  319.466937][ T6703]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  319.466940][ T6703]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  319.466943][ T6703]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  319.466945][ T6703]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  319.466947][ T6703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.466949][ T6703]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  319.466952][ T6703]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  319.466955][ T6703]  ____sys_sendmsg (net/socket.c:2713)
[  319.466957][ T6703]  ? copy_msghdr_from_user (net/socket.c:2650)
[  319.466959][ T6703]  ? sock_write_iter (net/socket.c:1269)
[  319.466960][ T6703]  ? move_addr_to_kernel (net/socket.c:258)
[  319.466963][ T6703]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  319.466965][ T6703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.466967][ T6703]  ___sys_sendmsg (net/socket.c:2767)
[  319.466969][ T6703]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  319.466971][ T6703]  ? copy_msghdr_from_user (net/socket.c:2619)
[  319.466973][ T6703]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  319.466977][ T6703]  __sys_sendmsg (net/socket.c:2799)
[  319.466979][ T6703]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  319.466982][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466983][ T6703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.466985][ T6703]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  319.466987][ T6703]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  319.466989][ T6703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  319.466991][ T6703] RIP: 0033:0x7f7ec0dd754e
[  319.466993][ T6703] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  319.466995][ T6703] RSP: 002b:00007fff804b8d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  319.466999][ T6703] RAX: ffffffffffffffda RBX: 00007fff804b9518 RCX: 00007f7ec0dd754e
[  319.467000][ T6703] RDX: 0000000000000000 RSI: 00007fff804b8e00 RDI: 0000000000000005
[  319.467001][ T6703] RBP: 00007fff804b8d60 R08: 0000000000000000 R09: 0000000000000000
[  319.467002][ T6703] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917aed
[  319.467003][ T6703] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff804b94d0
| [  333.232545][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  333.232548][   T12] Preemption disabled at:
| [  333.232548][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  333.232558][   T12] Tainted: [W]=WARN
[  333.232559][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  333.232561][   T12] Workqueue: netns cleanup_net
[  333.232568][   T12] Call Trace:
[  333.232569][   T12]  <TASK>
[  333.232570][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  333.232576][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  333.232578][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  333.232581][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  333.232583][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  333.232587][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.232589][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  333.232593][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  333.232595][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  333.232600][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  333.232602][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  333.232604][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  333.232606][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  333.232608][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  333.232610][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  333.232615][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  333.232617][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  333.232620][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  333.232622][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.232623][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.232625][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  333.232628][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  333.232630][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.232631][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.232632][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.232633][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  333.232636][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  333.232638][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  333.232640][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  333.232643][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  333.232645][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  333.232653][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  333.232655][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.232656][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  333.232657][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  333.232659][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  333.232661][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  333.232663][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  333.232664][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  333.232666][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  333.232667][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  333.232669][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  333.232671][   T12]  ? kthread (kernel/kthread.c:436)
[  333.232674][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  333.232677][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  333.232679][   T12]  _printk (kernel/printk/printk.c:2504)
[  333.232682][   T12]  ? snapshot_read.cold (user.c:?)
[  333.232685][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  333.232688][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  333.232690][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  333.232693][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  333.232695][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.232696][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  333.232697][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  333.232701][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  333.232702][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  333.232703][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  333.232706][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  333.232708][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  333.232712][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  333.232715][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  333.232717][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  333.232719][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  333.232721][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  333.232724][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  333.232726][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  333.232728][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  333.232730][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.232731][   T12]  process_one_work (kernel/workqueue.c:3387)
[  333.232734][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  333.232737][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  333.232740][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  333.232743][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  333.232744][   T12]  kthread (kernel/kthread.c:436)
[  333.232746][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  333.232748][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  333.232750][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  333.232751][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  333.232753][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  333.232756][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  333.232758][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  335.067564][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  335.067566][   T12] Preemption disabled at:
| [  335.067567][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  335.067576][   T12] Tainted: [W]=WARN
[  335.067577][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  335.067579][   T12] Workqueue: netns cleanup_net
[  335.067585][   T12] Call Trace:
[  335.067587][   T12]  <TASK>
[  335.067589][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  335.067595][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  335.067596][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  335.067600][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  335.067601][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  335.067605][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.067607][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  335.067610][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  335.067613][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  335.067618][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  335.067619][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  335.067622][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  335.067624][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  335.067626][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  335.067628][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  335.067633][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  335.067635][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  335.067638][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  335.067640][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.067641][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.067643][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  335.067646][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  335.067648][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.067649][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.067650][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.067652][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  335.067654][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  335.067656][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  335.067664][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  335.067667][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  335.067669][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  335.067671][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  335.067673][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.067674][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  335.067676][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  335.067678][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  335.067679][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  335.067681][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  335.067683][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  335.067685][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  335.067686][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  335.067688][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  335.067691][   T12]  ? kthread (kernel/kthread.c:436)
[  335.067693][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  335.067696][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  335.067699][   T12]  _printk (kernel/printk/printk.c:2504)
[  335.067702][   T12]  ? snapshot_read.cold (user.c:?)
[  335.067704][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  335.067708][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  335.067710][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  335.067712][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  335.067715][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.067716][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  335.067718][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  335.067721][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  335.067722][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  335.067724][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  335.067726][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  335.067728][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  335.067732][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  335.067735][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  335.067737][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  335.067740][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  335.067742][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  335.067744][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  335.067746][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  335.067749][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  335.067750][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.067752][   T12]  process_one_work (kernel/workqueue.c:3387)
[  335.067755][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  335.067758][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  335.067760][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  335.067763][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  335.067765][   T12]  kthread (kernel/kthread.c:436)
[  335.067767][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  335.067769][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  335.067771][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  335.067772][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  335.067774][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  335.067777][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  335.067779][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  336.529689][ T7147] softirqs last disabled at (0): 0x0
| [  336.529691][ T7147] Preemption disabled at:
| [  336.529692][ T7147] vprintk_emit (kernel/printk/printk.c:2471)
| [  336.529702][ T7147] Tainted: [W]=WARN
[  336.529703][ T7147] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  336.529705][ T7147] Call Trace:
[  336.529706][ T7147]  <TASK>
[  336.529708][ T7147]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  336.529713][ T7147]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  336.529715][ T7147]  __might_resched.cold (kernel/sched/core.c:9234)
[  336.529718][ T7147]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  336.529720][ T7147]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  336.529724][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529726][ T7147]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  336.529729][ T7147]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  336.529732][ T7147]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  336.529737][ T7147]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  336.529739][ T7147]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  336.529742][ T7147]  put_chars (drivers/char/virtio_console.c:1176)
[  336.529744][ T7147]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  336.529746][ T7147]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  336.529748][ T7147]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  336.529753][ T7147]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  336.529755][ T7147]  ? vsnprintf (lib/vsprintf.c:2900)
[  336.529758][ T7147]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  336.529760][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529761][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529763][ T7147]  console_emit_next_record (kernel/printk/printk.c:3183)
[  336.529765][ T7147]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  336.529767][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529768][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529770][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529771][ T7147]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  336.529773][ T7147]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  336.529775][ T7147]  console_flush_one_record (kernel/printk/printk.c:3268)
[  336.529777][ T7147]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  336.529780][ T7147]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  336.529782][ T7147]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  336.529783][ T7147]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  336.529785][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529786][ T7147]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  336.529788][ T7147]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  336.529789][ T7147]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  336.529791][ T7147]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  336.529793][ T7147]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  336.529794][ T7147]  vprintk_emit (kernel/printk/printk.c:2479)
[  336.529796][ T7147]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  336.529797][ T7147]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  336.529799][ T7147]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  336.529802][ T7147]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  336.529803][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529805][ T7147]  _printk (kernel/printk/printk.c:2504)
[  336.529808][ T7147]  ? snapshot_read.cold (user.c:?)
[  336.529810][ T7147]  ? br_multicast_flood (??:?)
[  336.529813][ T7147]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  336.529816][ T7147]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  336.529817][ T7147]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  336.529819][ T7147]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  336.529822][ T7147]  br_init_port (net/bridge/br_stp_if.c:39)
[  336.529824][ T7147]  new_nbp (net/bridge/br_if.c:449)
[  336.529826][ T7147]  br_add_if (net/bridge/br_if.c:592)
[  336.529828][ T7147]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  336.529832][ T7147]  do_set_master (net/core/rtnetlink.c:3071)
[  336.529834][ T7147]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  336.529836][ T7147]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  336.529837][ T7147]  ? __dev_get_by_name (net/core/dev.c:905)
[  336.529839][ T7147]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  336.529843][ T7147]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  336.529845][ T7147]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  336.529847][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529849][ T7147]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  336.529850][ T7147]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  336.529851][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529853][ T7147]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  336.529855][ T7147]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  336.529857][ T7147]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  336.529859][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529861][ T7147]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  336.529862][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529863][ T7147]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  336.529865][ T7147]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  336.529866][ T7147]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  336.529868][ T7147]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  336.529869][ T7147]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  336.529873][ T7147]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  336.529876][ T7147]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  336.529877][ T7147]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  336.529879][ T7147]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  336.529881][ T7147]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  336.529883][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529884][ T7147]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  336.529886][ T7147]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  336.529889][ T7147]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  336.529891][ T7147]  ? next_uptodate_folio (mm/filemap.c:3747)
[  336.529894][ T7147]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  336.529896][ T7147]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  336.529898][ T7147]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  336.529900][ T7147]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  336.529903][ T7147]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  336.529907][ T7147]  ____sys_sendmsg (net/socket.c:2713)
[  336.529908][ T7147]  ? copy_msghdr_from_user (net/socket.c:2650)
[  336.529910][ T7147]  ? sock_write_iter (net/socket.c:1269)
[  336.529912][ T7147]  ? move_addr_to_kernel (net/socket.c:258)
[  336.529914][ T7147]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  336.529917][ T7147]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  336.529919][ T7147]  ___sys_sendmsg (net/socket.c:2767)
[  336.529920][ T7147]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  336.529922][ T7147]  ? copy_msghdr_from_user (net/socket.c:2619)
[  336.529924][ T7147]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  336.529928][ T7147]  __sys_sendmsg (net/socket.c:2799)
[  336.529930][ T7147]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  336.529933][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529934][ T7147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.529936][ T7147]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  336.529938][ T7147]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  336.529941][ T7147]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  336.529943][ T7147] RIP: 0033:0x7f464f65c54e
[  336.529945][ T7147] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  336.529947][ T7147] RSP: 002b:00007ffc002bc150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  336.529950][ T7147] RAX: ffffffffffffffda RBX: 00007ffc002bc918 RCX: 00007f464f65c54e
[  336.529952][ T7147] RDX: 0000000000000000 RSI: 00007ffc002bc200 RDI: 0000000000000005
[  336.529953][ T7147] RBP: 00007ffc002bc160 R08: 0000000000000000 R09: 0000000000000000
[  336.529954][ T7147] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917afe
[  336.529955][ T7147] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc002bc8d0
| [  337.674154][ T7206] softirqs last disabled at (0): 0x0
| [  337.674155][ T7206] Preemption disabled at:
| [  337.674156][ T7206] vprintk_emit (kernel/printk/printk.c:2471)
| [  337.674167][ T7206] Tainted: [W]=WARN
[  337.674168][ T7206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  337.674170][ T7206] Call Trace:
[  337.674171][ T7206]  <TASK>
[  337.674172][ T7206]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  337.674178][ T7206]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  337.674179][ T7206]  __might_resched.cold (kernel/sched/core.c:9234)
[  337.674183][ T7206]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  337.674185][ T7206]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  337.674189][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674191][ T7206]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  337.674194][ T7206]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  337.674198][ T7206]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  337.674203][ T7206]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  337.674205][ T7206]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  337.674207][ T7206]  put_chars (drivers/char/virtio_console.c:1176)
[  337.674209][ T7206]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  337.674210][ T7206]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  337.674213][ T7206]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  337.674218][ T7206]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  337.674220][ T7206]  ? vsnprintf (lib/vsprintf.c:2900)
[  337.674223][ T7206]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  337.674225][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674226][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674227][ T7206]  console_emit_next_record (kernel/printk/printk.c:3183)
[  337.674230][ T7206]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  337.674232][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674234][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674235][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674236][ T7206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.674238][ T7206]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  337.674240][ T7206]  console_flush_one_record (kernel/printk/printk.c:3268)
[  337.674242][ T7206]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  337.674245][ T7206]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  337.674247][ T7206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.674249][ T7206]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  337.674250][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674251][ T7206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  337.674253][ T7206]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  337.674254][ T7206]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  337.674256][ T7206]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  337.674258][ T7206]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  337.674260][ T7206]  vprintk_emit (kernel/printk/printk.c:2479)
[  337.674261][ T7206]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  337.674263][ T7206]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  337.674264][ T7206]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  337.674267][ T7206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.674269][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674270][ T7206]  _printk (kernel/printk/printk.c:2504)
[  337.674273][ T7206]  ? snapshot_read.cold (user.c:?)
[  337.674275][ T7206]  ? br_multicast_flood (??:?)
[  337.674279][ T7206]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  337.674282][ T7206]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  337.674283][ T7206]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  337.674285][ T7206]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  337.674288][ T7206]  br_init_port (net/bridge/br_stp_if.c:39)
[  337.674290][ T7206]  new_nbp (net/bridge/br_if.c:449)
[  337.674292][ T7206]  br_add_if (net/bridge/br_if.c:592)
[  337.674294][ T7206]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  337.674298][ T7206]  do_set_master (net/core/rtnetlink.c:3071)
[  337.674300][ T7206]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  337.674302][ T7206]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  337.674303][ T7206]  ? __dev_get_by_name (net/core/dev.c:905)
[  337.674305][ T7206]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  337.674309][ T7206]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  337.674311][ T7206]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  337.674313][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674315][ T7206]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  337.674316][ T7206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.674317][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674319][ T7206]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  337.674321][ T7206]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  337.674323][ T7206]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  337.674326][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674327][ T7206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.674328][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674330][ T7206]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  337.674331][ T7206]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  337.674333][ T7206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  337.674334][ T7206]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  337.674336][ T7206]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  337.674339][ T7206]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  337.674342][ T7206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  337.674344][ T7206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  337.674346][ T7206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  337.674347][ T7206]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  337.674350][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674352][ T7206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  337.674354][ T7206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  337.674356][ T7206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  337.674358][ T7206]  ? next_uptodate_folio (mm/filemap.c:3747)
[  337.674361][ T7206]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  337.674363][ T7206]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  337.674365][ T7206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.674366][ T7206]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  337.674370][ T7206]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  337.674373][ T7206]  ____sys_sendmsg (net/socket.c:2713)
[  337.674375][ T7206]  ? copy_msghdr_from_user (net/socket.c:2650)
[  337.674376][ T7206]  ? sock_write_iter (net/socket.c:1269)
[  337.674378][ T7206]  ? move_addr_to_kernel (net/socket.c:258)
[  337.674380][ T7206]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  337.674383][ T7206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.674385][ T7206]  ___sys_sendmsg (net/socket.c:2767)
[  337.674386][ T7206]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  337.674388][ T7206]  ? copy_msghdr_from_user (net/socket.c:2619)
[  337.674390][ T7206]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  337.674395][ T7206]  __sys_sendmsg (net/socket.c:2799)
[  337.674397][ T7206]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  337.674400][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674401][ T7206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.674402][ T7206]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  337.674405][ T7206]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  337.674407][ T7206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  337.674409][ T7206] RIP: 0033:0x7fd610bba54e
[  337.674411][ T7206] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  337.674413][ T7206] RSP: 002b:00007ffd82b58fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  337.674416][ T7206] RAX: ffffffffffffffda RBX: 00007ffd82b59768 RCX: 00007fd610bba54e
[  337.674418][ T7206] RDX: 0000000000000000 RSI: 00007ffd82b59050 RDI: 0000000000000005
[  337.674419][ T7206] RBP: 00007ffd82b58fb0 R08: 0000000000000000 R09: 0000000000000000
[  337.674420][ T7206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b00
[  337.674421][ T7206] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd82b59720
| [  433.998270][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  433.998273][   T12] Preemption disabled at:
| [  433.998274][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  433.998283][   T12] Tainted: [W]=WARN
[  433.998284][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  433.998285][   T12] Workqueue: netns cleanup_net
[  433.998292][   T12] Call Trace:
[  433.998293][   T12]  <TASK>
[  433.998295][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  433.998300][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  433.998302][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  433.998306][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  433.998308][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  433.998311][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.998314][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  433.998317][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  433.998320][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  433.998324][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  433.998326][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  433.998329][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  433.998331][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  433.998333][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  433.998336][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  433.998341][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  433.998343][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  433.998346][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  433.998348][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.998349][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.998351][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  433.998354][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  433.998357][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.998358][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.998359][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.998360][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.998362][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  433.998364][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  433.998367][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  433.998370][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  433.998372][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.998374][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  433.998375][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.998376][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  433.998378][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  433.998380][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  433.998381][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  433.998383][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  433.998385][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  433.998387][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  433.998388][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  433.998390][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  433.998393][   T12]  ? kthread (kernel/kthread.c:436)
[  433.998395][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  433.998398][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  433.998401][   T12]  _printk (kernel/printk/printk.c:2504)
[  433.998404][   T12]  ? snapshot_read.cold (user.c:?)
[  433.998407][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  433.998410][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  433.998412][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  433.998415][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  433.998417][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.998418][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  433.998420][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  433.998423][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  433.998424][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  433.998426][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  433.998428][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  433.998431][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  433.998435][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  433.998437][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  433.998440][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  433.998442][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  433.998444][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  433.998447][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  433.998449][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  433.998452][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.998453][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.998455][   T12]  process_one_work (kernel/workqueue.c:3387)
[  433.998458][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  433.998461][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  433.998464][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  433.998467][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  433.998469][   T12]  kthread (kernel/kthread.c:436)
[  433.998471][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  433.998472][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  433.998475][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  433.998476][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  433.998478][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  433.998481][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  433.998484][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  436.075679][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  436.075682][   T12] Preemption disabled at:
| [  436.075683][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  436.075691][   T12] Tainted: [W]=WARN
[  436.075692][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  436.075694][   T12] Workqueue: netns cleanup_net
[  436.075701][   T12] Call Trace:
[  436.075703][   T12]  <TASK>
[  436.075704][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  436.075710][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  436.075712][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  436.075715][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  436.075717][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  436.075721][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.075723][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  436.075726][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  436.075729][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.075734][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  436.075736][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.075738][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  436.075740][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  436.075742][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  436.075744][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  436.075749][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  436.075751][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  436.075754][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  436.075756][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.075757][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.075759][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  436.075762][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  436.075764][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.075765][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.075766][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.075767][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.075770][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  436.075772][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  436.075774][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  436.075777][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  436.075779][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.075781][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  436.075783][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.075784][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  436.075785][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  436.075787][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  436.075788][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  436.075790][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  436.075791][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  436.075793][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  436.075795][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  436.075796][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  436.075799][   T12]  ? kthread (kernel/kthread.c:436)
[  436.075801][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  436.075804][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  436.075807][   T12]  _printk (kernel/printk/printk.c:2504)
[  436.075810][   T12]  ? snapshot_read.cold (user.c:?)
[  436.075812][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  436.075816][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  436.075818][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  436.075821][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  436.075823][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.075824][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  436.075826][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  436.075829][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  436.075830][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  436.075832][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  436.075835][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  436.075837][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  436.075841][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  436.075844][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  436.075846][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  436.075849][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  436.075851][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  436.075854][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  436.075856][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  436.075858][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.075859][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.075861][   T12]  process_one_work (kernel/workqueue.c:3387)
[  436.075864][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  436.075867][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  436.075869][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  436.075872][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  436.075874][   T12]  kthread (kernel/kthread.c:436)
[  436.075876][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  436.075878][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  436.075880][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  436.075882][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  436.075884][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  436.075886][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  436.075889][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  437.689767][ T7952] softirqs last disabled at (0): 0x0
| [  437.689769][ T7952] Preemption disabled at:
| [  437.689769][ T7952] vprintk_emit (kernel/printk/printk.c:2471)
| [  437.689780][ T7952] Tainted: [W]=WARN
[  437.689781][ T7952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  437.689783][ T7952] Call Trace:
[  437.689784][ T7952]  <TASK>
[  437.689785][ T7952]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  437.689791][ T7952]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  437.689792][ T7952]  __might_resched.cold (kernel/sched/core.c:9234)
[  437.689796][ T7952]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  437.689799][ T7952]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  437.689802][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689804][ T7952]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  437.689808][ T7952]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  437.689811][ T7952]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  437.689816][ T7952]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  437.689818][ T7952]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  437.689821][ T7952]  put_chars (drivers/char/virtio_console.c:1176)
[  437.689822][ T7952]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  437.689825][ T7952]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  437.689827][ T7952]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  437.689832][ T7952]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  437.689834][ T7952]  ? vsnprintf (lib/vsprintf.c:2900)
[  437.689838][ T7952]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  437.689840][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689841][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689843][ T7952]  console_emit_next_record (kernel/printk/printk.c:3183)
[  437.689845][ T7952]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  437.689847][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689849][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689850][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689851][ T7952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.689853][ T7952]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  437.689855][ T7952]  console_flush_one_record (kernel/printk/printk.c:3268)
[  437.689858][ T7952]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  437.689861][ T7952]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  437.689863][ T7952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.689864][ T7952]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  437.689866][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689867][ T7952]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  437.689869][ T7952]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  437.689871][ T7952]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  437.689872][ T7952]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  437.689874][ T7952]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  437.689876][ T7952]  vprintk_emit (kernel/printk/printk.c:2479)
[  437.689878][ T7952]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  437.689879][ T7952]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  437.689881][ T7952]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  437.689884][ T7952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.689885][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689887][ T7952]  _printk (kernel/printk/printk.c:2504)
[  437.689890][ T7952]  ? snapshot_read.cold (user.c:?)
[  437.689892][ T7952]  ? br_multicast_flood (??:?)
[  437.689896][ T7952]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  437.689899][ T7952]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  437.689900][ T7952]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  437.689902][ T7952]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  437.689904][ T7952]  br_init_port (net/bridge/br_stp_if.c:39)
[  437.689906][ T7952]  new_nbp (net/bridge/br_if.c:449)
[  437.689909][ T7952]  br_add_if (net/bridge/br_if.c:592)
[  437.689911][ T7952]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  437.689915][ T7952]  do_set_master (net/core/rtnetlink.c:3071)
[  437.689917][ T7952]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  437.689919][ T7952]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  437.689920][ T7952]  ? __dev_get_by_name (net/core/dev.c:905)
[  437.689922][ T7952]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  437.689926][ T7952]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  437.689928][ T7952]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  437.689931][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689932][ T7952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  437.689933][ T7952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.689935][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689936][ T7952]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  437.689939][ T7952]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  437.689941][ T7952]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  437.689943][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689945][ T7952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.689946][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689948][ T7952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  437.689949][ T7952]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  437.689951][ T7952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  437.689952][ T7952]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  437.689954][ T7952]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  437.689958][ T7952]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  437.689961][ T7952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  437.689963][ T7952]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  437.689965][ T7952]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  437.689966][ T7952]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  437.689969][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.689971][ T7952]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  437.689973][ T7952]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  437.689975][ T7952]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  437.689977][ T7952]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  437.689980][ T7952]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  437.689983][ T7952]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  437.689985][ T7952]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  437.689987][ T7952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.689989][ T7952]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  437.689992][ T7952]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  437.689995][ T7952]  ____sys_sendmsg (net/socket.c:2713)
[  437.689997][ T7952]  ? copy_msghdr_from_user (net/socket.c:2650)
[  437.689999][ T7952]  ? sock_write_iter (net/socket.c:1269)
[  437.690001][ T7952]  ? move_addr_to_kernel (net/socket.c:258)
[  437.690003][ T7952]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  437.690005][ T7952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.690007][ T7952]  ___sys_sendmsg (net/socket.c:2767)
[  437.690009][ T7952]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  437.690011][ T7952]  ? copy_msghdr_from_user (net/socket.c:2619)
[  437.690013][ T7952]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  437.690018][ T7952]  __sys_sendmsg (net/socket.c:2799)
[  437.690020][ T7952]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  437.690022][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.690024][ T7952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.690025][ T7952]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  437.690028][ T7952]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  437.690030][ T7952]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  437.690032][ T7952] RIP: 0033:0x7ff6e69bf54e
[  437.690034][ T7952] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  437.690037][ T7952] RSP: 002b:00007ffe98fcbaf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  437.690042][ T7952] RAX: ffffffffffffffda RBX: 00007ffe98fcc2b8 RCX: 00007ff6e69bf54e
[  437.690044][ T7952] RDX: 0000000000000000 RSI: 00007ffe98fcbba0 RDI: 0000000000000005
[  437.690045][ T7952] RBP: 00007ffe98fcbb00 R08: 0000000000000000 R09: 0000000000000000
[  437.690046][ T7952] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b64
[  437.690047][ T7952] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe98fcc270
| [  439.208914][ T8012] softirqs last disabled at (0): 0x0
| [  439.208917][ T8012] Preemption disabled at:
| [  439.208918][ T8012] vprintk_emit (kernel/printk/printk.c:2471)
| [  439.208931][ T8012] Tainted: [W]=WARN
[  439.208933][ T8012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  439.208936][ T8012] Call Trace:
[  439.208938][ T8012]  <TASK>
[  439.208940][ T8012]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  439.208947][ T8012]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  439.208949][ T8012]  __might_resched.cold (kernel/sched/core.c:9234)
[  439.208954][ T8012]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  439.208958][ T8012]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  439.208962][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.208967][ T8012]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  439.208971][ T8012]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  439.208975][ T8012]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  439.208981][ T8012]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  439.208984][ T8012]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  439.208988][ T8012]  put_chars (drivers/char/virtio_console.c:1176)
[  439.208991][ T8012]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  439.208995][ T8012]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  439.208999][ T8012]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  439.209006][ T8012]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  439.209008][ T8012]  ? vsnprintf (lib/vsprintf.c:2900)
[  439.209013][ T8012]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  439.209016][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209018][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209021][ T8012]  console_emit_next_record (kernel/printk/printk.c:3183)
[  439.209025][ T8012]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  439.209029][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209031][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209033][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209035][ T8012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.209039][ T8012]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  439.209042][ T8012]  console_flush_one_record (kernel/printk/printk.c:3268)
[  439.209046][ T8012]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  439.209051][ T8012]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  439.209054][ T8012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.209056][ T8012]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  439.209059][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209061][ T8012]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  439.209064][ T8012]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  439.209069][ T8012]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  439.209072][ T8012]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  439.209075][ T8012]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  439.209078][ T8012]  vprintk_emit (kernel/printk/printk.c:2479)
[  439.209081][ T8012]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  439.209083][ T8012]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  439.209086][ T8012]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  439.209090][ T8012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.209093][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209096][ T8012]  _printk (kernel/printk/printk.c:2504)
[  439.209101][ T8012]  ? snapshot_read.cold (user.c:?)
[  439.209104][ T8012]  ? br_multicast_flood (??:?)
[  439.209109][ T8012]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  439.209113][ T8012]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  439.209115][ T8012]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  439.209118][ T8012]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  439.209123][ T8012]  br_init_port (net/bridge/br_stp_if.c:39)
[  439.209126][ T8012]  new_nbp (net/bridge/br_if.c:449)
[  439.209129][ T8012]  br_add_if (net/bridge/br_if.c:592)
[  439.209132][ T8012]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  439.209139][ T8012]  do_set_master (net/core/rtnetlink.c:3071)
[  439.209142][ T8012]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  439.209146][ T8012]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  439.209148][ T8012]  ? __dev_get_by_name (net/core/dev.c:905)
[  439.209151][ T8012]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  439.209158][ T8012]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  439.209162][ T8012]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  439.209166][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209169][ T8012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  439.209171][ T8012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.209174][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209177][ T8012]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  439.209180][ T8012]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  439.209184][ T8012]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  439.209187][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209189][ T8012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.209192][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209195][ T8012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  439.209197][ T8012]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  439.209200][ T8012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  439.209203][ T8012]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  439.209205][ T8012]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  439.209211][ T8012]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  439.209216][ T8012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  439.209218][ T8012]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  439.209221][ T8012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  439.209224][ T8012]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  439.209229][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209231][ T8012]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  439.209234][ T8012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  439.209238][ T8012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  439.209241][ T8012]  ? next_uptodate_folio (mm/filemap.c:3747)
[  439.209246][ T8012]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  439.209249][ T8012]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  439.209253][ T8012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.209256][ T8012]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  439.209261][ T8012]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  439.209265][ T8012]  ____sys_sendmsg (net/socket.c:2713)
[  439.209268][ T8012]  ? copy_msghdr_from_user (net/socket.c:2650)
[  439.209271][ T8012]  ? sock_write_iter (net/socket.c:1269)
[  439.209274][ T8012]  ? move_addr_to_kernel (net/socket.c:258)
[  439.209278][ T8012]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  439.209281][ T8012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.209285][ T8012]  ___sys_sendmsg (net/socket.c:2767)
[  439.209293][ T8012]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  439.209296][ T8012]  ? copy_msghdr_from_user (net/socket.c:2619)
[  439.209299][ T8012]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  439.209308][ T8012]  __sys_sendmsg (net/socket.c:2799)
[  439.209311][ T8012]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  439.209316][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209318][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.209321][ T8012]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  439.209325][ T8012]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  439.209328][ T8012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  439.209332][ T8012] RIP: 0033:0x7f5d1e71854e
[  439.209334][ T8012] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  439.209337][ T8012] RSP: 002b:00007ffedbb92ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  439.209342][ T8012] RAX: ffffffffffffffda RBX: 00007ffedbb934a8 RCX: 00007f5d1e71854e
[  439.209345][ T8012] RDX: 0000000000000000 RSI: 00007ffedbb92d90 RDI: 0000000000000005
[  439.209347][ T8012] RBP: 00007ffedbb92cf0 R08: 0000000000000000 R09: 0000000000000000
[  439.209348][ T8012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b65
[  439.209350][ T8012] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedbb93460
| [  447.242362][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  447.242365][   T12] Preemption disabled at:
| [  447.242366][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  447.242375][   T12] Tainted: [W]=WARN
[  447.242376][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  447.242378][   T12] Workqueue: netns cleanup_net
[  447.242384][   T12] Call Trace:
[  447.242385][   T12]  <TASK>
[  447.242387][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  447.242393][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  447.242395][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  447.242398][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  447.242401][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  447.242404][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.242406][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  447.242409][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  447.242412][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  447.242417][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  447.242419][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  447.242422][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  447.242424][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  447.242426][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  447.242428][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  447.242433][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  447.242435][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  447.242438][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  447.242440][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.242441][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.242443][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  447.242446][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  447.242448][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.242449][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.242450][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.242451][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.242453][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  447.242455][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  447.242458][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  447.242461][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  447.242463][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.242465][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  447.242466][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.242467][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  447.242469][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  447.242471][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  447.242472][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  447.242474][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  447.242475][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  447.242477][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  447.242478][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  447.242480][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  447.242483][   T12]  ? kthread (kernel/kthread.c:436)
[  447.242486][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  447.242488][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  447.242491][   T12]  _printk (kernel/printk/printk.c:2504)
[  447.242494][   T12]  ? snapshot_read.cold (user.c:?)
[  447.242497][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  447.242500][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  447.242502][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  447.242505][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  447.242508][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.242509][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  447.242510][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  447.242514][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  447.242515][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  447.242517][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  447.242519][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  447.242522][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  447.242527][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  447.242529][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  447.242532][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  447.242534][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  447.242538][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  447.242541][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  447.242543][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  447.242545][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.242547][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.242549][   T12]  process_one_work (kernel/workqueue.c:3387)
[  447.242552][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  447.242555][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  447.242557][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  447.242561][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  447.242563][   T12]  kthread (kernel/kthread.c:436)
[  447.242564][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  447.242566][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  447.242568][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  447.242570][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  447.242572][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  447.242575][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  447.242577][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  448.616075][ T8309] softirqs last disabled at (0): 0x0
| [  448.616077][ T8309] Preemption disabled at:
| [  448.616078][ T8309] vprintk_emit (kernel/printk/printk.c:2471)
| [  448.616089][ T8309] Tainted: [W]=WARN
[  448.616090][ T8309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  448.616091][ T8309] Call Trace:
[  448.616093][ T8309]  <TASK>
[  448.616094][ T8309]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  448.616100][ T8309]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  448.616102][ T8309]  __might_resched.cold (kernel/sched/core.c:9234)
[  448.616105][ T8309]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  448.616107][ T8309]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  448.616110][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616113][ T8309]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  448.616116][ T8309]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  448.616119][ T8309]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  448.616125][ T8309]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  448.616127][ T8309]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  448.616129][ T8309]  put_chars (drivers/char/virtio_console.c:1176)
[  448.616131][ T8309]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  448.616133][ T8309]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  448.616136][ T8309]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  448.616141][ T8309]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  448.616143][ T8309]  ? vsnprintf (lib/vsprintf.c:2900)
[  448.616146][ T8309]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  448.616148][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616149][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616151][ T8309]  console_emit_next_record (kernel/printk/printk.c:3183)
[  448.616154][ T8309]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  448.616157][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616158][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616159][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616161][ T8309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.616163][ T8309]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  448.616165][ T8309]  console_flush_one_record (kernel/printk/printk.c:3268)
[  448.616168][ T8309]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  448.616171][ T8309]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  448.616173][ T8309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.616174][ T8309]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  448.616176][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616177][ T8309]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  448.616179][ T8309]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  448.616181][ T8309]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  448.616182][ T8309]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  448.616184][ T8309]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  448.616186][ T8309]  vprintk_emit (kernel/printk/printk.c:2479)
[  448.616188][ T8309]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  448.616189][ T8309]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  448.616191][ T8309]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  448.616194][ T8309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.616195][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616197][ T8309]  _printk (kernel/printk/printk.c:2504)
[  448.616200][ T8309]  ? snapshot_read.cold (user.c:?)
[  448.616202][ T8309]  ? br_multicast_flood (??:?)
[  448.616206][ T8309]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  448.616209][ T8309]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  448.616210][ T8309]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  448.616212][ T8309]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  448.616215][ T8309]  br_init_port (net/bridge/br_stp_if.c:39)
[  448.616216][ T8309]  new_nbp (net/bridge/br_if.c:449)
[  448.616219][ T8309]  br_add_if (net/bridge/br_if.c:592)
[  448.616221][ T8309]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  448.616225][ T8309]  do_set_master (net/core/rtnetlink.c:3071)
[  448.616227][ T8309]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  448.616229][ T8309]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  448.616230][ T8309]  ? __dev_get_by_name (net/core/dev.c:905)
[  448.616232][ T8309]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  448.616236][ T8309]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  448.616239][ T8309]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  448.616241][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616242][ T8309]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  448.616243][ T8309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.616245][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616246][ T8309]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  448.616249][ T8309]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  448.616251][ T8309]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  448.616253][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616254][ T8309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.616256][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616257][ T8309]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  448.616258][ T8309]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  448.616260][ T8309]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  448.616262][ T8309]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  448.616263][ T8309]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  448.616267][ T8309]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  448.616270][ T8309]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  448.616272][ T8309]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  448.616273][ T8309]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  448.616275][ T8309]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  448.616278][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616280][ T8309]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  448.616282][ T8309]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  448.616284][ T8309]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  448.616286][ T8309]  ? next_uptodate_folio (mm/filemap.c:3747)
[  448.616289][ T8309]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  448.616292][ T8309]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  448.616294][ T8309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.616296][ T8309]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  448.616299][ T8309]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  448.616302][ T8309]  ____sys_sendmsg (net/socket.c:2713)
[  448.616304][ T8309]  ? copy_msghdr_from_user (net/socket.c:2650)
[  448.616306][ T8309]  ? sock_write_iter (net/socket.c:1269)
[  448.616308][ T8309]  ? move_addr_to_kernel (net/socket.c:258)
[  448.616310][ T8309]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  448.616313][ T8309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.616315][ T8309]  ___sys_sendmsg (net/socket.c:2767)
[  448.616316][ T8309]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  448.616318][ T8309]  ? copy_msghdr_from_user (net/socket.c:2619)
[  448.616320][ T8309]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  448.616325][ T8309]  __sys_sendmsg (net/socket.c:2799)
[  448.616327][ T8309]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  448.616330][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616331][ T8309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.616333][ T8309]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  448.616336][ T8309]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  448.616338][ T8309]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  448.616340][ T8309] RIP: 0033:0x7f395300354e
[  448.616342][ T8309] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  448.616351][ T8309] RSP: 002b:00007ffeb8f03c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  448.616355][ T8309] RAX: ffffffffffffffda RBX: 00007ffeb8f04438 RCX: 00007f395300354e
[  448.616357][ T8309] RDX: 0000000000000000 RSI: 00007ffeb8f03d20 RDI: 0000000000000005
[  448.616358][ T8309] RBP: 00007ffeb8f03c80 R08: 0000000000000000 R09: 0000000000000000
[  448.616359][ T8309] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b6f
[  448.616360][ T8309] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb8f043f0
| [  450.015262][ T8378] softirqs last disabled at (0): 0x0
| [  450.015263][ T8378] Preemption disabled at:
| [  450.015264][ T8378] vprintk_emit (kernel/printk/printk.c:2471)
| [  450.015275][ T8378] Tainted: [W]=WARN
[  450.015276][ T8378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  450.015278][ T8378] Call Trace:
[  450.015279][ T8378]  <TASK>
[  450.015280][ T8378]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  450.015286][ T8378]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  450.015287][ T8378]  __might_resched.cold (kernel/sched/core.c:9234)
[  450.015292][ T8378]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  450.015295][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015298][ T8378]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  450.015301][ T8378]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  450.015304][ T8378]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  450.015309][ T8378]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  450.015311][ T8378]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  450.015314][ T8378]  put_chars (drivers/char/virtio_console.c:1176)
[  450.015316][ T8378]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  450.015317][ T8378]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  450.015319][ T8378]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  450.015322][ T8378]  ? pointer (lib/vsprintf.c:2577)
[  450.015325][ T8378]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  450.015330][ T8378]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  450.015332][ T8378]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  450.015334][ T8378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.015337][ T8378]  console_emit_next_record (kernel/printk/printk.c:3183)
[  450.015339][ T8378]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  450.015342][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015343][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015344][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015345][ T8378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.015347][ T8378]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  450.015349][ T8378]  console_flush_one_record (kernel/printk/printk.c:3268)
[  450.015357][ T8378]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  450.015362][ T8378]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  450.015364][ T8378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.015366][ T8378]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  450.015368][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015369][ T8378]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  450.015370][ T8378]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  450.015372][ T8378]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  450.015374][ T8378]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  450.015376][ T8378]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  450.015378][ T8378]  vprintk_emit (kernel/printk/printk.c:2479)
[  450.015380][ T8378]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  450.015381][ T8378]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  450.015384][ T8378]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  450.015387][ T8378]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  450.015389][ T8378]  _printk (kernel/printk/printk.c:2504)
[  450.015393][ T8378]  ? snapshot_read.cold (user.c:?)
[  450.015395][ T8378]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  450.015397][ T8378]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  450.015400][ T8378]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  450.015402][ T8378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  450.015406][ T8378]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  450.015408][ T8378]  ? netdev_notice (net/core/dev.c:13194)
[  450.015410][ T8378]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  450.015412][ T8378]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  450.015415][ T8378]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  450.015417][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015418][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015419][ T8378]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  450.015420][ T8378]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  450.015422][ T8378]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  450.015424][ T8378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  450.015425][ T8378]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  450.015427][ T8378]  ? register_netdev (net/core/dev.c:11618)
[  450.015429][ T8378]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  450.015431][ T8378]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  450.015434][ T8378]  ? __kernel_text_address (kernel/extable.c:79)
[  450.015436][ T8378]  ? write_profile (profile.c:?)
[  450.015439][ T8378]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  450.015443][ T8378]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  450.015445][ T8378]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  450.015447][ T8378]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  450.015448][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015449][ T8378]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  450.015453][ T8378]  ? kasan_save_stack (mm/kasan/common.c:58)
[  450.015455][ T8378]  ? kasan_save_stack (mm/kasan/common.c:57)
[  450.015456][ T8378]  ? kasan_save_track (mm/kasan/common.c:78)
[  450.015457][ T8378]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  450.015458][ T8378]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  450.015459][ T8378]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  450.015461][ T8378]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  450.015462][ T8378]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  450.015465][ T8378]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  450.015467][ T8378]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  450.015469][ T8378]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  450.015471][ T8378]  ? ____sys_sendmsg (net/socket.c:2713)
[  450.015473][ T8378]  ? ___sys_sendmsg (net/socket.c:2767)
[  450.015474][ T8378]  ? __sys_sendmsg (net/socket.c:2799)
[  450.015476][ T8378]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  450.015479][ T8378]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  450.015481][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015483][ T8378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.015484][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015485][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015486][ T8378]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  450.015488][ T8378]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  450.015489][ T8378]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  450.015491][ T8378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  450.015492][ T8378]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  450.015494][ T8378]  ? nla_get_range_signed (lib/nlattr.c:270)
[  450.015497][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015498][ T8378]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  450.015501][ T8378]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  450.015503][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015504][ T8378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  450.015505][ T8378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.015507][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015509][ T8378]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  450.015511][ T8378]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  450.015512][ T8378]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  450.015514][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015515][ T8378]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  450.015519][ T8378]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  450.015521][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015522][ T8378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.015524][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015525][ T8378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  450.015527][ T8378]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  450.015528][ T8378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  450.015530][ T8378]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  450.015532][ T8378]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  450.015534][ T8378]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  450.015536][ T8378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  450.015537][ T8378]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  450.015539][ T8378]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  450.015541][ T8378]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  450.015544][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015545][ T8378]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  450.015548][ T8378]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  450.015550][ T8378]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  450.015552][ T8378]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  450.015554][ T8378]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  450.015556][ T8378]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  450.015558][ T8378]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  450.015560][ T8378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.015562][ T8378]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  450.015565][ T8378]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  450.015567][ T8378]  ____sys_sendmsg (net/socket.c:2713)
[  450.015569][ T8378]  ? copy_msghdr_from_user (net/socket.c:2650)
[  450.015571][ T8378]  ? sock_write_iter (net/socket.c:1269)
[  450.015572][ T8378]  ? move_addr_to_kernel (net/socket.c:258)
[  450.015574][ T8378]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  450.015577][ T8378]  ___sys_sendmsg (net/socket.c:2767)
[  450.015579][ T8378]  ? copy_msghdr_from_user (net/socket.c:2619)
[  450.015584][ T8378]  __sys_sendmsg (net/socket.c:2799)
[  450.015586][ T8378]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  450.015589][ T8378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.015590][ T8378]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  450.015592][ T8378]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  450.015594][ T8378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  450.015596][ T8378] RIP: 0033:0x7fdf6cc7454e
[  450.015598][ T8378] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  450.015600][ T8378] RSP: 002b:00007ffcf54dd590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  450.015604][ T8378] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdf6cc7454e
[  450.015605][ T8378] RDX: 0000000000000000 RSI: 00007ffcf54dd640 RDI: 0000000000000005
[  450.015606][ T8378] RBP: 00007ffcf54dd5a0 R08: 0000000000000000 R09: 0000000000000000
[  450.015607][ T8378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b70
[  450.015608][ T8378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf54ddd00
| [  451.144460][ T8428] softirqs last disabled at (0): 0x0
| [  451.144462][ T8428] Preemption disabled at:
| [  451.144462][ T8428] vprintk_emit (kernel/printk/printk.c:2471)
| [  451.144473][ T8428] Tainted: [W]=WARN
[  451.144474][ T8428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  451.144475][ T8428] Call Trace:
[  451.144477][ T8428]  <TASK>
[  451.144478][ T8428]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  451.144484][ T8428]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  451.144485][ T8428]  __might_resched.cold (kernel/sched/core.c:9234)
[  451.144489][ T8428]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  451.144492][ T8428]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  451.144495][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144498][ T8428]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  451.144501][ T8428]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  451.144504][ T8428]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  451.144509][ T8428]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  451.144511][ T8428]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  451.144514][ T8428]  put_chars (drivers/char/virtio_console.c:1176)
[  451.144516][ T8428]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  451.144518][ T8428]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  451.144520][ T8428]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  451.144525][ T8428]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  451.144527][ T8428]  ? vsnprintf (lib/vsprintf.c:2900)
[  451.144530][ T8428]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  451.144532][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144533][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144535][ T8428]  console_emit_next_record (kernel/printk/printk.c:3183)
[  451.144538][ T8428]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  451.144540][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144541][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144542][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144543][ T8428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.144546][ T8428]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  451.144548][ T8428]  console_flush_one_record (kernel/printk/printk.c:3268)
[  451.144550][ T8428]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  451.144553][ T8428]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  451.144555][ T8428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.144557][ T8428]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  451.144558][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144559][ T8428]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  451.144561][ T8428]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  451.144563][ T8428]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  451.144564][ T8428]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  451.144566][ T8428]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  451.144568][ T8428]  vprintk_emit (kernel/printk/printk.c:2479)
[  451.144570][ T8428]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  451.144571][ T8428]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  451.144573][ T8428]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  451.144576][ T8428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.144577][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144579][ T8428]  _printk (kernel/printk/printk.c:2504)
[  451.144582][ T8428]  ? snapshot_read.cold (user.c:?)
[  451.144584][ T8428]  ? br_multicast_flood (??:?)
[  451.144587][ T8428]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  451.144590][ T8428]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  451.144591][ T8428]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  451.144593][ T8428]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  451.144596][ T8428]  br_init_port (net/bridge/br_stp_if.c:39)
[  451.144598][ T8428]  new_nbp (net/bridge/br_if.c:449)
[  451.144600][ T8428]  br_add_if (net/bridge/br_if.c:592)
[  451.144602][ T8428]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  451.144607][ T8428]  do_set_master (net/core/rtnetlink.c:3071)
[  451.144609][ T8428]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  451.144611][ T8428]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  451.144612][ T8428]  ? __dev_get_by_name (net/core/dev.c:905)
[  451.144614][ T8428]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  451.144618][ T8428]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  451.144620][ T8428]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  451.144622][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144624][ T8428]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  451.144625][ T8428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.144627][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144628][ T8428]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  451.144631][ T8428]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  451.144633][ T8428]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  451.144635][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144637][ T8428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.144638][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144639][ T8428]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  451.144641][ T8428]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  451.144643][ T8428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  451.144644][ T8428]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  451.144646][ T8428]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  451.144650][ T8428]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  451.144653][ T8428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  451.144654][ T8428]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  451.144656][ T8428]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  451.144658][ T8428]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  451.144661][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144662][ T8428]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  451.144664][ T8428]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  451.144666][ T8428]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  451.144669][ T8428]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  451.144671][ T8428]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  451.144674][ T8428]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  451.144677][ T8428]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  451.144679][ T8428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.144680][ T8428]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  451.144684][ T8428]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  451.144687][ T8428]  ____sys_sendmsg (net/socket.c:2713)
[  451.144689][ T8428]  ? copy_msghdr_from_user (net/socket.c:2650)
[  451.144691][ T8428]  ? sock_write_iter (net/socket.c:1269)
[  451.144693][ T8428]  ? move_addr_to_kernel (net/socket.c:258)
[  451.144695][ T8428]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  451.144698][ T8428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.144700][ T8428]  ___sys_sendmsg (net/socket.c:2767)
[  451.144701][ T8428]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  451.144703][ T8428]  ? copy_msghdr_from_user (net/socket.c:2619)
[  451.144705][ T8428]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  451.144710][ T8428]  __sys_sendmsg (net/socket.c:2799)
[  451.144712][ T8428]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  451.144715][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144716][ T8428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.144717][ T8428]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  451.144720][ T8428]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  451.144722][ T8428]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  451.144724][ T8428] RIP: 0033:0x7fb32ad8754e
[  451.144726][ T8428] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  451.144728][ T8428] RSP: 002b:00007ffee1527bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  451.144732][ T8428] RAX: ffffffffffffffda RBX: 00007ffee1528388 RCX: 00007fb32ad8754e
[  451.144733][ T8428] RDX: 0000000000000000 RSI: 00007ffee1527c70 RDI: 0000000000000005
[  451.144734][ T8428] RBP: 00007ffee1527bd0 R08: 0000000000000000 R09: 0000000000000000
[  451.144735][ T8428] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b71
[  451.144736][ T8428] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee1528340
| [  456.818724][ T8461] softirqs last disabled at (0): 0x0
| [  456.818727][ T8461] Preemption disabled at:
| [  456.818727][ T8461] vprintk_emit (kernel/printk/printk.c:2471)
| [  456.818738][ T8461] Tainted: [W]=WARN
[  456.818740][ T8461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  456.818742][ T8461] Call Trace:
[  456.818743][ T8461]  <TASK>
[  456.818744][ T8461]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  456.818750][ T8461]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  456.818752][ T8461]  __might_resched.cold (kernel/sched/core.c:9234)
[  456.818756][ T8461]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  456.818760][ T8461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.818762][ T8461]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  456.818765][ T8461]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  456.818768][ T8461]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  456.818774][ T8461]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  456.818776][ T8461]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  456.818779][ T8461]  put_chars (drivers/char/virtio_console.c:1176)
[  456.818780][ T8461]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  456.818782][ T8461]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  456.818784][ T8461]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  456.818787][ T8461]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  456.818792][ T8461]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  456.818794][ T8461]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  456.818796][ T8461]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  456.818798][ T8461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.818799][ T8461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.818800][ T8461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.818803][ T8461]  console_emit_next_record (kernel/printk/printk.c:3183)
[  456.818806][ T8461]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  456.818808][ T8461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.818809][ T8461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.818810][ T8461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.818811][ T8461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.818813][ T8461]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  456.818815][ T8461]  console_flush_one_record (kernel/printk/printk.c:3268)
[  456.818818][ T8461]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  456.818821][ T8461]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  456.818823][ T8461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.818824][ T8461]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  456.818826][ T8461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.818827][ T8461]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  456.818829][ T8461]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  456.818831][ T8461]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  456.818832][ T8461]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  456.818834][ T8461]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  456.818836][ T8461]  vprintk_emit (kernel/printk/printk.c:2479)
[  456.818838][ T8461]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  456.818840][ T8461]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  456.818843][ T8461]  _printk (kernel/printk/printk.c:2504)
[  456.818846][ T8461]  ? snapshot_read.cold (user.c:?)
[  456.818849][ T8461]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[  456.818852][ T8461] gact_init_module (net/sched/act_gact.c:180) act_gact
[  456.818854][ T8461]  do_one_initcall (init/main.c:1357)
[  456.818856][ T8461]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  456.818859][ T8461]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  456.818861][ T8461]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  456.818865][ T8461]  do_init_module (kernel/module/main.c:3117)
[  456.818867][ T8461]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  456.818868][ T8461]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  456.818870][ T8461]  load_module (kernel/module/main.c:3593)
[  456.818872][ T8461]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  456.818876][ T8461]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  456.818878][ T8461]  ? __ia32_sys_fsconfig (??:?)
[  456.818881][ T8461]  ? backing_file_read_iter (fs/backing-file.c:211)
[  456.818885][ T8461]  init_module_from_file (kernel/module/main.c:3790)
[  456.818887][ T8461]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  456.818889][ T8461]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  456.818892][ T8461]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  456.818894][ T8461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.818895][ T8461]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  456.818897][ T8461]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  456.818899][ T8461]  idempotent_init_module (kernel/module/main.c:3802)
[  456.818901][ T8461]  ? init_module_from_file (kernel/module/main.c:3791)
[  456.818903][ T8461]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  456.818905][ T8461]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  456.818908][ T8461]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  456.818910][ T8461]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  456.818913][ T8461]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  456.818917][ T8461]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  456.818919][ T8461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  456.818922][ T8461] RIP: 0033:0x7f55b9d8037d
[  456.818924][ T8461] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  456.818925][ T8461] RSP: 002b:00007fffc496d098 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  456.818929][ T8461] RAX: ffffffffffffffda RBX: 000056147aa1e810 RCX: 00007f55b9d8037d
[  456.818931][ T8461] RDX: 0000000000000000 RSI: 000056145d3b7ffd RDI: 0000000000000000
[  456.818931][ T8461] RBP: 00007fffc496d130 R08: 0000000000000000 R09: 0000000000000000
[  456.818932][ T8461] R10: 0000000000000000 R11: 0000000000000246 R12: 000056145d3b7ffd
[  456.818933][ T8461] R13: 000056147aa1e960 R14: 0000000000040000 R15: 0000000000000000
| [  459.339070][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  459.339073][   T12] Preemption disabled at:
| [  459.339073][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  459.339083][   T12] Tainted: [W]=WARN
[  459.339084][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  459.339086][   T12] Workqueue: netns cleanup_net
[  459.339092][   T12] Call Trace:
[  459.339093][   T12]  <TASK>
[  459.339095][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  459.339101][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  459.339102][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  459.339106][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  459.339108][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  459.339112][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.339114][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  459.339117][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  459.339120][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  459.339125][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  459.339127][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  459.339129][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  459.339131][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  459.339133][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  459.339135][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  459.339140][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  459.339142][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  459.339145][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  459.339147][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.339149][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.339151][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  459.339155][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  459.339157][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.339159][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.339160][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.339161][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.339164][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  459.339166][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  459.339168][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  459.339171][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  459.339173][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.339175][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  459.339177][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.339178][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  459.339180][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  459.339181][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  459.339183][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  459.339185][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  459.339186][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  459.339188][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  459.339189][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  459.339191][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  459.339194][   T12]  ? kthread (kernel/kthread.c:436)
[  459.339197][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  459.339199][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  459.339202][   T12]  _printk (kernel/printk/printk.c:2504)
[  459.339206][   T12]  ? snapshot_read.cold (user.c:?)
[  459.339208][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  459.339211][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  459.339214][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  459.339216][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  459.339218][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.339220][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  459.339221][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  459.339224][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  459.339226][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  459.339228][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  459.339230][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  459.339233][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  459.339236][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  459.339239][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  459.339241][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  459.339244][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  459.339246][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  459.339249][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  459.339251][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  459.339252][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  459.339255][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.339257][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.339259][   T12]  process_one_work (kernel/workqueue.c:3387)
[  459.339262][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  459.339265][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  459.339267][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  459.339270][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  459.339272][   T12]  kthread (kernel/kthread.c:436)
[  459.339274][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  459.339276][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  459.339278][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  459.339280][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  459.339282][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  459.339285][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  459.339287][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  460.746963][ T8650] softirqs last disabled at (0): 0x0
| [  460.746966][ T8650] Preemption disabled at:
| [  460.746968][ T8650] vprintk_emit (kernel/printk/printk.c:2471)
| [  460.746980][ T8650] Tainted: [W]=WARN
[  460.746982][ T8650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  460.746985][ T8650] Call Trace:
[  460.746987][ T8650]  <TASK>
[  460.746989][ T8650]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  460.746996][ T8650]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  460.746998][ T8650]  __might_resched.cold (kernel/sched/core.c:9234)
[  460.747003][ T8650]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  460.747007][ T8650]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  460.747011][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747015][ T8650]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  460.747019][ T8650]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  460.747023][ T8650]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  460.747029][ T8650]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  460.747032][ T8650]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  460.747036][ T8650]  put_chars (drivers/char/virtio_console.c:1176)
[  460.747039][ T8650]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  460.747042][ T8650]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  460.747046][ T8650]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  460.747053][ T8650]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  460.747056][ T8650]  ? vsnprintf (lib/vsprintf.c:2900)
[  460.747060][ T8650]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  460.747063][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747065][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747071][ T8650]  console_emit_next_record (kernel/printk/printk.c:3183)
[  460.747075][ T8650]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  460.747078][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747080][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747082][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747085][ T8650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.747088][ T8650]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  460.747092][ T8650]  console_flush_one_record (kernel/printk/printk.c:3268)
[  460.747095][ T8650]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  460.747100][ T8650]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  460.747103][ T8650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.747106][ T8650]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  460.747109][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747111][ T8650]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  460.747114][ T8650]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  460.747116][ T8650]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  460.747119][ T8650]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  460.747122][ T8650]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  460.747125][ T8650]  vprintk_emit (kernel/printk/printk.c:2479)
[  460.747128][ T8650]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  460.747130][ T8650]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  460.747133][ T8650]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  460.747137][ T8650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.747140][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747143][ T8650]  _printk (kernel/printk/printk.c:2504)
[  460.747147][ T8650]  ? snapshot_read.cold (user.c:?)
[  460.747150][ T8650]  ? br_multicast_flood (??:?)
[  460.747155][ T8650]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  460.747159][ T8650]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  460.747162][ T8650]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  460.747165][ T8650]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  460.747169][ T8650]  br_init_port (net/bridge/br_stp_if.c:39)
[  460.747172][ T8650]  new_nbp (net/bridge/br_if.c:449)
[  460.747176][ T8650]  br_add_if (net/bridge/br_if.c:592)
[  460.747179][ T8650]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  460.747185][ T8650]  do_set_master (net/core/rtnetlink.c:3071)
[  460.747188][ T8650]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  460.747191][ T8650]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  460.747194][ T8650]  ? __dev_get_by_name (net/core/dev.c:905)
[  460.747197][ T8650]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  460.747203][ T8650]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  460.747207][ T8650]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  460.747211][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747213][ T8650]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  460.747215][ T8650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.747218][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747221][ T8650]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  460.747224][ T8650]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  460.747228][ T8650]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  460.747231][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747233][ T8650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.747236][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747239][ T8650]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  460.747241][ T8650]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  460.747244][ T8650]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  460.747247][ T8650]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  460.747250][ T8650]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  460.747255][ T8650]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  460.747260][ T8650]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  460.747262][ T8650]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  460.747265][ T8650]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  460.747268][ T8650]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  460.747273][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747275][ T8650]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  460.747278][ T8650]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  460.747282][ T8650]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  460.747286][ T8650]  ? next_uptodate_folio (mm/filemap.c:3747)
[  460.747290][ T8650]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  460.747294][ T8650]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  460.747298][ T8650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.747300][ T8650]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  460.747305][ T8650]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  460.747309][ T8650]  ____sys_sendmsg (net/socket.c:2713)
[  460.747312][ T8650]  ? copy_msghdr_from_user (net/socket.c:2650)
[  460.747315][ T8650]  ? sock_write_iter (net/socket.c:1269)
[  460.747318][ T8650]  ? move_addr_to_kernel (net/socket.c:258)
[  460.747322][ T8650]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  460.747325][ T8650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.747329][ T8650]  ___sys_sendmsg (net/socket.c:2767)
[  460.747332][ T8650]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  460.747335][ T8650]  ? copy_msghdr_from_user (net/socket.c:2619)
[  460.747338][ T8650]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  460.747346][ T8650]  __sys_sendmsg (net/socket.c:2799)
[  460.747349][ T8650]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  460.747353][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747356][ T8650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.747359][ T8650]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  460.747362][ T8650]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  460.747365][ T8650]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  460.747369][ T8650] RIP: 0033:0x7f21e34fc54e
[  460.747372][ T8650] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  460.747375][ T8650] RSP: 002b:00007ffcccc35690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  460.747380][ T8650] RAX: ffffffffffffffda RBX: 00007ffcccc35e58 RCX: 00007f21e34fc54e
[  460.747382][ T8650] RDX: 0000000000000000 RSI: 00007ffcccc35740 RDI: 0000000000000005
[  460.747384][ T8650] RBP: 00007ffcccc356a0 R08: 0000000000000000 R09: 0000000000000000
[  460.747386][ T8650] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b7b
[  460.747388][ T8650] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcccc35e10
| [  462.434177][ T8719] softirqs last disabled at (0): 0x0
| [  462.434180][ T8719] Preemption disabled at:
| [  462.434182][ T8719] vprintk_emit (kernel/printk/printk.c:2471)
| [  462.434195][ T8719] Tainted: [W]=WARN
[  462.434197][ T8719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  462.434199][ T8719] Call Trace:
[  462.434201][ T8719]  <TASK>
[  462.434203][ T8719]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  462.434210][ T8719]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  462.434212][ T8719]  __might_resched.cold (kernel/sched/core.c:9234)
[  462.434217][ T8719]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  462.434222][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434226][ T8719]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  462.434230][ T8719]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  462.434234][ T8719]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  462.434241][ T8719]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  462.434244][ T8719]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  462.434247][ T8719]  put_chars (drivers/char/virtio_console.c:1176)
[  462.434250][ T8719]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  462.434253][ T8719]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  462.434256][ T8719]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  462.434260][ T8719]  ? pointer (lib/vsprintf.c:2577)
[  462.434265][ T8719]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  462.434272][ T8719]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  462.434274][ T8719]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  462.434278][ T8719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.434281][ T8719]  console_emit_next_record (kernel/printk/printk.c:3183)
[  462.434286][ T8719]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  462.434289][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434291][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434293][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434295][ T8719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.434299][ T8719]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  462.434302][ T8719]  console_flush_one_record (kernel/printk/printk.c:3268)
[  462.434306][ T8719]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  462.434310][ T8719]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  462.434313][ T8719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.434316][ T8719]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  462.434319][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434321][ T8719]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  462.434324][ T8719]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  462.434327][ T8719]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  462.434329][ T8719]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  462.434333][ T8719]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  462.434335][ T8719]  vprintk_emit (kernel/printk/printk.c:2479)
[  462.434338][ T8719]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  462.434341][ T8719]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  462.434344][ T8719]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  462.434348][ T8719]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  462.434352][ T8719]  _printk (kernel/printk/printk.c:2504)
[  462.434356][ T8719]  ? snapshot_read.cold (user.c:?)
[  462.434360][ T8719]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  462.434364][ T8719]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  462.434368][ T8719]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  462.434371][ T8719]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  462.434375][ T8719]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  462.434378][ T8719]  ? netdev_notice (net/core/dev.c:13194)
[  462.434382][ T8719]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  462.434385][ T8719]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  462.434389][ T8719]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  462.434391][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434393][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434396][ T8719]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  462.434398][ T8719]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  462.434401][ T8719]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  462.434403][ T8719]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  462.434406][ T8719]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  462.434409][ T8719]  ? register_netdev (net/core/dev.c:11618)
[  462.434411][ T8719]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  462.434414][ T8719]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  462.434418][ T8719]  ? __kernel_text_address (kernel/extable.c:79)
[  462.434422][ T8719]  ? write_profile (profile.c:?)
[  462.434432][ T8719]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  462.434437][ T8719]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  462.434440][ T8719]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  462.434443][ T8719]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  462.434445][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434447][ T8719]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  462.434452][ T8719]  ? kasan_save_stack (mm/kasan/common.c:58)
[  462.434454][ T8719]  ? kasan_save_stack (mm/kasan/common.c:57)
[  462.434456][ T8719]  ? kasan_save_track (mm/kasan/common.c:78)
[  462.434459][ T8719]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  462.434460][ T8719]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  462.434463][ T8719]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  462.434465][ T8719]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  462.434467][ T8719]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  462.434471][ T8719]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  462.434474][ T8719]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  462.434476][ T8719]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  462.434480][ T8719]  ? ____sys_sendmsg (net/socket.c:2713)
[  462.434482][ T8719]  ? ___sys_sendmsg (net/socket.c:2767)
[  462.434485][ T8719]  ? __sys_sendmsg (net/socket.c:2799)
[  462.434488][ T8719]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  462.434491][ T8719]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  462.434495][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434498][ T8719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.434500][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434502][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434504][ T8719]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  462.434507][ T8719]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  462.434509][ T8719]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  462.434512][ T8719]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  462.434515][ T8719]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  462.434517][ T8719]  ? nla_get_range_signed (lib/nlattr.c:270)
[  462.434522][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434524][ T8719]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  462.434528][ T8719]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  462.434532][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434534][ T8719]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  462.434537][ T8719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.434539][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434542][ T8719]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  462.434545][ T8719]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  462.434548][ T8719]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  462.434551][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434553][ T8719]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  462.434557][ T8719]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  462.434560][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434562][ T8719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.434565][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434567][ T8719]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  462.434570][ T8719]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  462.434573][ T8719]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  462.434575][ T8719]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  462.434578][ T8719]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  462.434582][ T8719]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  462.434585][ T8719]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  462.434587][ T8719]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  462.434590][ T8719]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  462.434593][ T8719]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  462.434598][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434600][ T8719]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  462.434603][ T8719]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  462.434607][ T8719]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  462.434610][ T8719]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  462.434614][ T8719]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  462.434618][ T8719]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  462.434620][ T8719]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  462.434624][ T8719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.434628][ T8719]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  462.434632][ T8719]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  462.434636][ T8719]  ____sys_sendmsg (net/socket.c:2713)
[  462.434638][ T8719]  ? copy_msghdr_from_user (net/socket.c:2650)
[  462.434641][ T8719]  ? sock_write_iter (net/socket.c:1269)
[  462.434644][ T8719]  ? move_addr_to_kernel (net/socket.c:258)
[  462.434646][ T8719]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  462.434651][ T8719]  ___sys_sendmsg (net/socket.c:2767)
[  462.434654][ T8719]  ? copy_msghdr_from_user (net/socket.c:2619)
[  462.434662][ T8719]  __sys_sendmsg (net/socket.c:2799)
[  462.434665][ T8719]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  462.434670][ T8719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.434673][ T8719]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  462.434676][ T8719]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  462.434679][ T8719]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  462.434681][ T8719] RIP: 0033:0x7f9a02b1154e
[  462.434684][ T8719] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  462.434687][ T8719] RSP: 002b:00007ffc4274e1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  462.434692][ T8719] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9a02b1154e
[  462.434694][ T8719] RDX: 0000000000000000 RSI: 00007ffc4274e270 RDI: 0000000000000005
[  462.434696][ T8719] RBP: 00007ffc4274e1d0 R08: 0000000000000000 R09: 0000000000000000
[  462.434698][ T8719] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b7c
[  462.434699][ T8719] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4274e930
| [  463.717173][ T8769] softirqs last disabled at (0): 0x0
| [  463.717176][ T8769] Preemption disabled at:
| [  463.717176][ T8769] vprintk_emit (kernel/printk/printk.c:2471)
| [  463.717187][ T8769] Tainted: [W]=WARN
[  463.717188][ T8769] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  463.717189][ T8769] Call Trace:
[  463.717191][ T8769]  <TASK>
[  463.717192][ T8769]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  463.717198][ T8769]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  463.717200][ T8769]  __might_resched.cold (kernel/sched/core.c:9234)
[  463.717204][ T8769]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  463.717206][ T8769]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  463.717210][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717212][ T8769]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  463.717215][ T8769]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  463.717219][ T8769]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  463.717224][ T8769]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  463.717226][ T8769]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  463.717229][ T8769]  put_chars (drivers/char/virtio_console.c:1176)
[  463.717231][ T8769]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  463.717232][ T8769]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  463.717235][ T8769]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  463.717240][ T8769]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  463.717242][ T8769]  ? vsnprintf (lib/vsprintf.c:2900)
[  463.717245][ T8769]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  463.717247][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717249][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717250][ T8769]  console_emit_next_record (kernel/printk/printk.c:3183)
[  463.717253][ T8769]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  463.717255][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717257][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717258][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717259][ T8769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.717261][ T8769]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  463.717263][ T8769]  console_flush_one_record (kernel/printk/printk.c:3268)
[  463.717266][ T8769]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  463.717269][ T8769]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  463.717271][ T8769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.717273][ T8769]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  463.717274][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717275][ T8769]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  463.717277][ T8769]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  463.717279][ T8769]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  463.717280][ T8769]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  463.717282][ T8769]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  463.717284][ T8769]  vprintk_emit (kernel/printk/printk.c:2479)
[  463.717286][ T8769]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  463.717287][ T8769]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  463.717289][ T8769]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  463.717292][ T8769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.717293][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717295][ T8769]  _printk (kernel/printk/printk.c:2504)
[  463.717298][ T8769]  ? snapshot_read.cold (user.c:?)
[  463.717300][ T8769]  ? br_multicast_flood (??:?)
[  463.717304][ T8769]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  463.717307][ T8769]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  463.717308][ T8769]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  463.717310][ T8769]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  463.717313][ T8769]  br_init_port (net/bridge/br_stp_if.c:39)
[  463.717315][ T8769]  new_nbp (net/bridge/br_if.c:449)
[  463.717318][ T8769]  br_add_if (net/bridge/br_if.c:592)
[  463.717320][ T8769]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  463.717324][ T8769]  do_set_master (net/core/rtnetlink.c:3071)
[  463.717327][ T8769]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  463.717328][ T8769]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  463.717330][ T8769]  ? __dev_get_by_name (net/core/dev.c:905)
[  463.717332][ T8769]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  463.717336][ T8769]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  463.717338][ T8769]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  463.717341][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717342][ T8769]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  463.717343][ T8769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.717345][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717346][ T8769]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  463.717349][ T8769]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  463.717351][ T8769]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  463.717354][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717355][ T8769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.717356][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717358][ T8769]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  463.717359][ T8769]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  463.717361][ T8769]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  463.717362][ T8769]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  463.717364][ T8769]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  463.717368][ T8769]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  463.717371][ T8769]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  463.717373][ T8769]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  463.717374][ T8769]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  463.717376][ T8769]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  463.717379][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717381][ T8769]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  463.717383][ T8769]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  463.717385][ T8769]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  463.717387][ T8769]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  463.717390][ T8769]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  463.717393][ T8769]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  463.717396][ T8769]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  463.717398][ T8769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.717400][ T8769]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  463.717403][ T8769]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  463.717406][ T8769]  ____sys_sendmsg (net/socket.c:2713)
[  463.717408][ T8769]  ? copy_msghdr_from_user (net/socket.c:2650)
[  463.717410][ T8769]  ? sock_write_iter (net/socket.c:1269)
[  463.717412][ T8769]  ? move_addr_to_kernel (net/socket.c:258)
[  463.717414][ T8769]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  463.717417][ T8769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.717419][ T8769]  ___sys_sendmsg (net/socket.c:2767)
[  463.717421][ T8769]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  463.717423][ T8769]  ? copy_msghdr_from_user (net/socket.c:2619)
[  463.717424][ T8769]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  463.717429][ T8769]  __sys_sendmsg (net/socket.c:2799)
[  463.717432][ T8769]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  463.717439][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717441][ T8769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.717442][ T8769]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  463.717445][ T8769]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  463.717447][ T8769]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  463.717449][ T8769] RIP: 0033:0x7f8b9c5d554e
[  463.717451][ T8769] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  463.717453][ T8769] RSP: 002b:00007ffff76121f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  463.717457][ T8769] RAX: ffffffffffffffda RBX: 00007ffff76129b8 RCX: 00007f8b9c5d554e
[  463.717459][ T8769] RDX: 0000000000000000 RSI: 00007ffff76122a0 RDI: 0000000000000005
[  463.717460][ T8769] RBP: 00007ffff7612200 R08: 0000000000000000 R09: 0000000000000000
[  463.717460][ T8769] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b7e
[  463.717461][ T8769] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff7612970
| [  471.824538][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  471.824542][   T12] Preemption disabled at:
| [  471.824543][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  471.824556][   T12] Tainted: [W]=WARN
[  471.824557][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  471.824559][   T12] Workqueue: netns cleanup_net
[  471.824567][   T12] Call Trace:
[  471.824569][   T12]  <TASK>
[  471.824572][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  471.824579][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  471.824582][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  471.824586][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  471.824589][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  471.824594][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.824597][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  471.824601][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  471.824605][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  471.824611][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  471.824614][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  471.824618][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  471.824621][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  471.824624][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  471.824628][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  471.824635][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  471.824638][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  471.824643][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  471.824646][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.824648][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.824651][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  471.824655][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  471.824659][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.824661][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.824663][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.824665][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.824669][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  471.824672][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  471.824676][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  471.824681][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  471.824684][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.824686][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  471.824689][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.824691][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  471.824694][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  471.824697][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  471.824699][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  471.824702][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  471.824705][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  471.824708][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  471.824710][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  471.824713][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  471.824717][   T12]  ? kthread (kernel/kthread.c:436)
[  471.824720][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  471.824724][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  471.824728][   T12]  _printk (kernel/printk/printk.c:2504)
[  471.824733][   T12]  ? snapshot_read.cold (user.c:?)
[  471.824736][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  471.824741][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  471.824745][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  471.824748][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  471.824752][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.824754][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  471.824757][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  471.824761][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  471.824764][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  471.824767][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  471.824771][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  471.824775][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  471.824780][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  471.824784][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  471.824787][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  471.824791][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  471.824795][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  471.824799][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  471.824803][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  471.824805][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.824808][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.824811][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.824814][   T12]  process_one_work (kernel/workqueue.c:3387)
[  471.824819][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  471.824823][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  471.824827][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  471.824832][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  471.824835][   T12]  kthread (kernel/kthread.c:436)
[  471.824838][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  471.824841][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  471.824844][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  471.824847][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  471.824851][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  471.824855][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  471.824858][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  473.328354][ T8988] softirqs last disabled at (0): 0x0
| [  473.328356][ T8988] Preemption disabled at:
| [  473.328356][ T8988] vprintk_emit (kernel/printk/printk.c:2471)
| [  473.328367][ T8988] Tainted: [W]=WARN
[  473.328368][ T8988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  473.328370][ T8988] Call Trace:
[  473.328371][ T8988]  <TASK>
[  473.328373][ T8988]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  473.328379][ T8988]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  473.328380][ T8988]  __might_resched.cold (kernel/sched/core.c:9234)
[  473.328384][ T8988]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  473.328386][ T8988]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  473.328390][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328392][ T8988]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  473.328395][ T8988]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  473.328399][ T8988]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  473.328404][ T8988]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  473.328406][ T8988]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  473.328408][ T8988]  put_chars (drivers/char/virtio_console.c:1176)
[  473.328410][ T8988]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  473.328412][ T8988]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  473.328415][ T8988]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  473.328420][ T8988]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  473.328422][ T8988]  ? vsnprintf (lib/vsprintf.c:2900)
[  473.328425][ T8988]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  473.328427][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328428][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328430][ T8988]  console_emit_next_record (kernel/printk/printk.c:3183)
[  473.328432][ T8988]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  473.328435][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328436][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328437][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328438][ T8988]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.328440][ T8988]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  473.328442][ T8988]  console_flush_one_record (kernel/printk/printk.c:3268)
[  473.328445][ T8988]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  473.328448][ T8988]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  473.328450][ T8988]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.328451][ T8988]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  473.328453][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328454][ T8988]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  473.328456][ T8988]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  473.328457][ T8988]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  473.328459][ T8988]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  473.328461][ T8988]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  473.328463][ T8988]  vprintk_emit (kernel/printk/printk.c:2479)
[  473.328465][ T8988]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  473.328466][ T8988]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  473.328468][ T8988]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  473.328471][ T8988]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.328472][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328474][ T8988]  _printk (kernel/printk/printk.c:2504)
[  473.328477][ T8988]  ? snapshot_read.cold (user.c:?)
[  473.328479][ T8988]  ? br_multicast_flood (??:?)
[  473.328482][ T8988]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  473.328485][ T8988]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  473.328487][ T8988]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  473.328488][ T8988]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  473.328497][ T8988]  br_init_port (net/bridge/br_stp_if.c:39)
[  473.328499][ T8988]  new_nbp (net/bridge/br_if.c:449)
[  473.328501][ T8988]  br_add_if (net/bridge/br_if.c:592)
[  473.328503][ T8988]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  473.328508][ T8988]  do_set_master (net/core/rtnetlink.c:3071)
[  473.328510][ T8988]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  473.328511][ T8988]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  473.328513][ T8988]  ? __dev_get_by_name (net/core/dev.c:905)
[  473.328515][ T8988]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  473.328519][ T8988]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  473.328521][ T8988]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  473.328523][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328525][ T8988]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  473.328526][ T8988]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.328528][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328529][ T8988]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  473.328532][ T8988]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  473.328534][ T8988]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  473.328537][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328538][ T8988]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.328539][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328541][ T8988]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  473.328542][ T8988]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  473.328544][ T8988]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  473.328545][ T8988]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  473.328547][ T8988]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  473.328551][ T8988]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  473.328554][ T8988]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  473.328555][ T8988]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  473.328557][ T8988]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  473.328558][ T8988]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  473.328561][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328563][ T8988]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  473.328565][ T8988]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  473.328567][ T8988]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  473.328569][ T8988]  ? next_uptodate_folio (mm/filemap.c:3747)
[  473.328572][ T8988]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  473.328574][ T8988]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  473.328576][ T8988]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.328578][ T8988]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  473.328582][ T8988]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  473.328585][ T8988]  ____sys_sendmsg (net/socket.c:2713)
[  473.328586][ T8988]  ? copy_msghdr_from_user (net/socket.c:2650)
[  473.328588][ T8988]  ? sock_write_iter (net/socket.c:1269)
[  473.328590][ T8988]  ? move_addr_to_kernel (net/socket.c:258)
[  473.328592][ T8988]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  473.328595][ T8988]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.328597][ T8988]  ___sys_sendmsg (net/socket.c:2767)
[  473.328598][ T8988]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  473.328600][ T8988]  ? copy_msghdr_from_user (net/socket.c:2619)
[  473.328602][ T8988]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  473.328607][ T8988]  __sys_sendmsg (net/socket.c:2799)
[  473.328609][ T8988]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  473.328611][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328613][ T8988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.328614][ T8988]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  473.328617][ T8988]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  473.328619][ T8988]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  473.328621][ T8988] RIP: 0033:0x7f558c35554e
[  473.328623][ T8988] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  473.328625][ T8988] RSP: 002b:00007ffefb76fff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  473.328628][ T8988] RAX: ffffffffffffffda RBX: 00007ffefb7707b8 RCX: 00007f558c35554e
[  473.328630][ T8988] RDX: 0000000000000000 RSI: 00007ffefb7700a0 RDI: 0000000000000005
[  473.328631][ T8988] RBP: 00007ffefb770000 R08: 0000000000000000 R09: 0000000000000000
[  473.328632][ T8988] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b87
[  473.328633][ T8988] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefb770770
| [  474.826180][ T9057] softirqs last disabled at (0): 0x0
| [  474.826182][ T9057] Preemption disabled at:
| [  474.826183][ T9057] vprintk_emit (kernel/printk/printk.c:2471)
| [  474.826193][ T9057] Tainted: [W]=WARN
[  474.826195][ T9057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  474.826197][ T9057] Call Trace:
[  474.826198][ T9057]  <TASK>
[  474.826199][ T9057]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  474.826205][ T9057]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  474.826206][ T9057]  __might_resched.cold (kernel/sched/core.c:9234)
[  474.826210][ T9057]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  474.826214][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826216][ T9057]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  474.826219][ T9057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  474.826223][ T9057]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  474.826228][ T9057]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  474.826230][ T9057]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  474.826233][ T9057]  put_chars (drivers/char/virtio_console.c:1176)
[  474.826234][ T9057]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  474.826236][ T9057]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  474.826238][ T9057]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  474.826240][ T9057]  ? pointer (lib/vsprintf.c:2577)
[  474.826244][ T9057]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  474.826249][ T9057]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  474.826251][ T9057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  474.826253][ T9057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.826256][ T9057]  console_emit_next_record (kernel/printk/printk.c:3183)
[  474.826258][ T9057]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  474.826261][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826262][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826263][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826264][ T9057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.826266][ T9057]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  474.826268][ T9057]  console_flush_one_record (kernel/printk/printk.c:3268)
[  474.826270][ T9057]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  474.826273][ T9057]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  474.826275][ T9057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.826277][ T9057]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  474.826278][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826280][ T9057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  474.826281][ T9057]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  474.826283][ T9057]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  474.826284][ T9057]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  474.826286][ T9057]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  474.826288][ T9057]  vprintk_emit (kernel/printk/printk.c:2479)
[  474.826290][ T9057]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  474.826291][ T9057]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  474.826293][ T9057]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  474.826297][ T9057]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  474.826299][ T9057]  _printk (kernel/printk/printk.c:2504)
[  474.826302][ T9057]  ? snapshot_read.cold (user.c:?)
[  474.826304][ T9057]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  474.826307][ T9057]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  474.826310][ T9057]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  474.826312][ T9057]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  474.826315][ T9057]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  474.826317][ T9057]  ? netdev_notice (net/core/dev.c:13194)
[  474.826319][ T9057]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  474.826321][ T9057]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  474.826324][ T9057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  474.826325][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826327][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826328][ T9057]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  474.826329][ T9057]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  474.826331][ T9057]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  474.826332][ T9057]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  474.826334][ T9057]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  474.826335][ T9057]  ? register_netdev (net/core/dev.c:11618)
[  474.826337][ T9057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  474.826339][ T9057]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  474.826342][ T9057]  ? __kernel_text_address (kernel/extable.c:79)
[  474.826344][ T9057]  ? write_profile (profile.c:?)
[  474.826347][ T9057]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  474.826351][ T9057]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  474.826353][ T9057]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  474.826354][ T9057]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  474.826356][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826357][ T9057]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  474.826360][ T9057]  ? kasan_save_stack (mm/kasan/common.c:58)
[  474.826362][ T9057]  ? kasan_save_stack (mm/kasan/common.c:57)
[  474.826363][ T9057]  ? kasan_save_track (mm/kasan/common.c:78)
[  474.826365][ T9057]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  474.826366][ T9057]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  474.826367][ T9057]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  474.826368][ T9057]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  474.826370][ T9057]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  474.826373][ T9057]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  474.826374][ T9057]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  474.826376][ T9057]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  474.826378][ T9057]  ? ____sys_sendmsg (net/socket.c:2713)
[  474.826380][ T9057]  ? ___sys_sendmsg (net/socket.c:2767)
[  474.826381][ T9057]  ? __sys_sendmsg (net/socket.c:2799)
[  474.826383][ T9057]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  474.826386][ T9057]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  474.826388][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826390][ T9057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.826391][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826392][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826393][ T9057]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  474.826395][ T9057]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  474.826396][ T9057]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  474.826398][ T9057]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  474.826399][ T9057]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  474.826400][ T9057]  ? nla_get_range_signed (lib/nlattr.c:270)
[  474.826404][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826405][ T9057]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  474.826408][ T9057]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  474.826410][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826411][ T9057]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  474.826412][ T9057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.826414][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826415][ T9057]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  474.826418][ T9057]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  474.826419][ T9057]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  474.826421][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826422][ T9057]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  474.826425][ T9057]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  474.826427][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826429][ T9057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.826430][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826432][ T9057]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  474.826433][ T9057]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  474.826435][ T9057]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  474.826436][ T9057]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  474.826438][ T9057]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  474.826441][ T9057]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  474.826443][ T9057]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  474.826444][ T9057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  474.826446][ T9057]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  474.826447][ T9057]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  474.826451][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826452][ T9057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  474.826454][ T9057]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  474.826456][ T9057]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  474.826458][ T9057]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  474.826460][ T9057]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  474.826462][ T9057]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  474.826464][ T9057]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  474.826466][ T9057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.826467][ T9057]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  474.826471][ T9057]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  474.826473][ T9057]  ____sys_sendmsg (net/socket.c:2713)
[  474.826474][ T9057]  ? copy_msghdr_from_user (net/socket.c:2650)
[  474.826476][ T9057]  ? sock_write_iter (net/socket.c:1269)
[  474.826478][ T9057]  ? move_addr_to_kernel (net/socket.c:258)
[  474.826479][ T9057]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  474.826482][ T9057]  ___sys_sendmsg (net/socket.c:2767)
[  474.826484][ T9057]  ? copy_msghdr_from_user (net/socket.c:2619)
[  474.826489][ T9057]  __sys_sendmsg (net/socket.c:2799)
[  474.826491][ T9057]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  474.826494][ T9057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.826496][ T9057]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  474.826498][ T9057]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  474.826500][ T9057]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  474.826507][ T9057] RIP: 0033:0x7f90441be54e
[  474.826509][ T9057] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  474.826511][ T9057] RSP: 002b:00007fff5296ced0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  474.826514][ T9057] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f90441be54e
[  474.826516][ T9057] RDX: 0000000000000000 RSI: 00007fff5296cf80 RDI: 0000000000000005
[  474.826517][ T9057] RBP: 00007fff5296cee0 R08: 0000000000000000 R09: 0000000000000000
[  474.826518][ T9057] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b89
[  474.826519][ T9057] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5296d640
| [  476.076672][ T9115] softirqs last disabled at (0): 0x0
| [  476.076674][ T9115] Preemption disabled at:
| [  476.076674][ T9115] vprintk_emit (kernel/printk/printk.c:2471)
| [  476.076685][ T9115] Tainted: [W]=WARN
[  476.076686][ T9115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  476.076688][ T9115] Call Trace:
[  476.076689][ T9115]  <TASK>
[  476.076690][ T9115]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  476.076697][ T9115]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  476.076698][ T9115]  __might_resched.cold (kernel/sched/core.c:9234)
[  476.076702][ T9115]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  476.076704][ T9115]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  476.076708][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076710][ T9115]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  476.076713][ T9115]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  476.076717][ T9115]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  476.076722][ T9115]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  476.076723][ T9115]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  476.076726][ T9115]  put_chars (drivers/char/virtio_console.c:1176)
[  476.076728][ T9115]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  476.076730][ T9115]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  476.076733][ T9115]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  476.076738][ T9115]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  476.076739][ T9115]  ? vsnprintf (lib/vsprintf.c:2900)
[  476.076743][ T9115]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  476.076745][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076746][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076748][ T9115]  console_emit_next_record (kernel/printk/printk.c:3183)
[  476.076750][ T9115]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  476.076753][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076754][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076755][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076756][ T9115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.076758][ T9115]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  476.076760][ T9115]  console_flush_one_record (kernel/printk/printk.c:3268)
[  476.076763][ T9115]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  476.076766][ T9115]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  476.076768][ T9115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.076769][ T9115]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  476.076771][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076772][ T9115]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  476.076774][ T9115]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  476.076775][ T9115]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  476.076777][ T9115]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  476.076779][ T9115]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  476.076781][ T9115]  vprintk_emit (kernel/printk/printk.c:2479)
[  476.076782][ T9115]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  476.076784][ T9115]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  476.076785][ T9115]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  476.076788][ T9115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.076790][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076791][ T9115]  _printk (kernel/printk/printk.c:2504)
[  476.076794][ T9115]  ? snapshot_read.cold (user.c:?)
[  476.076797][ T9115]  ? br_multicast_flood (??:?)
[  476.076800][ T9115]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  476.076803][ T9115]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  476.076804][ T9115]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  476.076806][ T9115]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  476.076809][ T9115]  br_init_port (net/bridge/br_stp_if.c:39)
[  476.076811][ T9115]  new_nbp (net/bridge/br_if.c:449)
[  476.076813][ T9115]  br_add_if (net/bridge/br_if.c:592)
[  476.076815][ T9115]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  476.076820][ T9115]  do_set_master (net/core/rtnetlink.c:3071)
[  476.076822][ T9115]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  476.076824][ T9115]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  476.076825][ T9115]  ? __dev_get_by_name (net/core/dev.c:905)
[  476.076827][ T9115]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  476.076831][ T9115]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  476.076833][ T9115]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  476.076836][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076837][ T9115]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  476.076838][ T9115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.076840][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076841][ T9115]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  476.076844][ T9115]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  476.076846][ T9115]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  476.076848][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076850][ T9115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.076851][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076852][ T9115]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  476.076854][ T9115]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  476.076856][ T9115]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  476.076857][ T9115]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  476.076859][ T9115]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  476.076863][ T9115]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  476.076866][ T9115]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  476.076868][ T9115]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  476.076869][ T9115]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  476.076871][ T9115]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  476.076874][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076875][ T9115]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  476.076877][ T9115]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  476.076879][ T9115]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  476.076881][ T9115]  ? next_uptodate_folio (mm/filemap.c:3747)
[  476.076885][ T9115]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  476.076887][ T9115]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  476.076889][ T9115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.076891][ T9115]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  476.076894][ T9115]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  476.076897][ T9115]  ____sys_sendmsg (net/socket.c:2713)
[  476.076899][ T9115]  ? copy_msghdr_from_user (net/socket.c:2650)
[  476.076901][ T9115]  ? sock_write_iter (net/socket.c:1269)
[  476.076903][ T9115]  ? move_addr_to_kernel (net/socket.c:258)
[  476.076905][ T9115]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  476.076907][ T9115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.076909][ T9115]  ___sys_sendmsg (net/socket.c:2767)
[  476.076911][ T9115]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  476.076913][ T9115]  ? copy_msghdr_from_user (net/socket.c:2619)
[  476.076915][ T9115]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  476.076920][ T9115]  __sys_sendmsg (net/socket.c:2799)
[  476.076922][ T9115]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  476.076925][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076926][ T9115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.076927][ T9115]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  476.076930][ T9115]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  476.076932][ T9115]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  476.076934][ T9115] RIP: 0033:0x7f77f026c54e
[  476.076937][ T9115] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  476.076939][ T9115] RSP: 002b:00007ffe90b3f890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  476.076942][ T9115] RAX: ffffffffffffffda RBX: 00007ffe90b40058 RCX: 00007f77f026c54e
[  476.076944][ T9115] RDX: 0000000000000000 RSI: 00007ffe90b3f940 RDI: 0000000000000005
[  476.076945][ T9115] RBP: 00007ffe90b3f8a0 R08: 0000000000000000 R09: 0000000000000000
[  476.076946][ T9115] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b8a
[  476.076947][ T9115] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe90b40010
| [  483.974875][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  483.974878][   T12] Preemption disabled at:
| [  483.974879][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  483.974889][   T12] Tainted: [W]=WARN
[  483.974889][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  483.974891][   T12] Workqueue: netns cleanup_net
[  483.974898][   T12] Call Trace:
[  483.974899][   T12]  <TASK>
[  483.974902][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  483.974907][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  483.974909][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  483.974913][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  483.974915][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  483.974918][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.974921][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  483.974924][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.974927][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.974932][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  483.974934][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.974936][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  483.974938][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  483.974940][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  483.974943][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  483.974947][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  483.974949][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  483.974953][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.974955][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.974956][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.974958][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  483.974960][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  483.974963][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.974964][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.974965][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.974966][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.974968][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  483.974970][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  483.974973][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  483.974976][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  483.974978][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.974979][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  483.974981][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.974982][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  483.974984][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  483.974986][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  483.974987][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  483.974989][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  483.974990][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  483.974992][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  483.974993][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  483.974995][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  483.974998][   T12]  ? kthread (kernel/kthread.c:436)
[  483.975000][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  483.975003][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  483.975006][   T12]  _printk (kernel/printk/printk.c:2504)
[  483.975009][   T12]  ? snapshot_read.cold (user.c:?)
[  483.975011][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  483.975015][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  483.975017][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  483.975019][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  483.975022][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.975023][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  483.975024][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  483.975028][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  483.975029][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  483.975031][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  483.975033][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  483.975036][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  483.975041][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  483.975045][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  483.975048][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  483.975052][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  483.975055][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  483.975059][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  483.975062][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  483.975064][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.975070][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.975072][   T12]  process_one_work (kernel/workqueue.c:3387)
[  483.975075][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  483.975078][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.975081][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  483.975084][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  483.975086][   T12]  kthread (kernel/kthread.c:436)
[  483.975088][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  483.975090][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  483.975092][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  483.975094][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  483.975096][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  483.975099][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  483.975101][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  485.259747][ T9333] softirqs last disabled at (0): 0x0
| [  485.259749][ T9333] Preemption disabled at:
| [  485.259749][ T9333] vprintk_emit (kernel/printk/printk.c:2471)
| [  485.259760][ T9333] Tainted: [W]=WARN
[  485.259761][ T9333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  485.259763][ T9333] Call Trace:
[  485.259764][ T9333]  <TASK>
[  485.259765][ T9333]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  485.259771][ T9333]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  485.259773][ T9333]  __might_resched.cold (kernel/sched/core.c:9234)
[  485.259777][ T9333]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  485.259779][ T9333]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  485.259782][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259785][ T9333]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  485.259788][ T9333]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  485.259791][ T9333]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  485.259796][ T9333]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  485.259798][ T9333]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  485.259801][ T9333]  put_chars (drivers/char/virtio_console.c:1176)
[  485.259803][ T9333]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  485.259805][ T9333]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  485.259808][ T9333]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  485.259812][ T9333]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  485.259814][ T9333]  ? vsnprintf (lib/vsprintf.c:2900)
[  485.259818][ T9333]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  485.259820][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259821][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259823][ T9333]  console_emit_next_record (kernel/printk/printk.c:3183)
[  485.259826][ T9333]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  485.259828][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259829][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259830][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259831][ T9333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.259834][ T9333]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  485.259836][ T9333]  console_flush_one_record (kernel/printk/printk.c:3268)
[  485.259838][ T9333]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  485.259841][ T9333]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  485.259843][ T9333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.259845][ T9333]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  485.259847][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259848][ T9333]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  485.259849][ T9333]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  485.259851][ T9333]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  485.259853][ T9333]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  485.259855][ T9333]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  485.259856][ T9333]  vprintk_emit (kernel/printk/printk.c:2479)
[  485.259858][ T9333]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  485.259859][ T9333]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  485.259861][ T9333]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  485.259864][ T9333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.259866][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259867][ T9333]  _printk (kernel/printk/printk.c:2504)
[  485.259871][ T9333]  ? snapshot_read.cold (user.c:?)
[  485.259873][ T9333]  ? br_multicast_flood (??:?)
[  485.259877][ T9333]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  485.259880][ T9333]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  485.259881][ T9333]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  485.259883][ T9333]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  485.259886][ T9333]  br_init_port (net/bridge/br_stp_if.c:39)
[  485.259888][ T9333]  new_nbp (net/bridge/br_if.c:449)
[  485.259890][ T9333]  br_add_if (net/bridge/br_if.c:592)
[  485.259892][ T9333]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  485.259897][ T9333]  do_set_master (net/core/rtnetlink.c:3071)
[  485.259899][ T9333]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  485.259901][ T9333]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  485.259902][ T9333]  ? __dev_get_by_name (net/core/dev.c:905)
[  485.259904][ T9333]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  485.259908][ T9333]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  485.259910][ T9333]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  485.259913][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259914][ T9333]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  485.259915][ T9333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.259917][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259918][ T9333]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  485.259921][ T9333]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  485.259923][ T9333]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  485.259925][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259927][ T9333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.259928][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259930][ T9333]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  485.259931][ T9333]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  485.259933][ T9333]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  485.259934][ T9333]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  485.259936][ T9333]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  485.259940][ T9333]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  485.259943][ T9333]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  485.259945][ T9333]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  485.259947][ T9333]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  485.259948][ T9333]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  485.259951][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.259952][ T9333]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  485.259955][ T9333]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  485.259957][ T9333]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  485.259959][ T9333]  ? next_uptodate_folio (mm/filemap.c:3747)
[  485.259962][ T9333]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  485.259965][ T9333]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  485.259967][ T9333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.259969][ T9333]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  485.259972][ T9333]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  485.259975][ T9333]  ____sys_sendmsg (net/socket.c:2713)
[  485.259977][ T9333]  ? copy_msghdr_from_user (net/socket.c:2650)
[  485.259979][ T9333]  ? sock_write_iter (net/socket.c:1269)
[  485.259980][ T9333]  ? move_addr_to_kernel (net/socket.c:258)
[  485.259983][ T9333]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  485.259986][ T9333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.259988][ T9333]  ___sys_sendmsg (net/socket.c:2767)
[  485.259989][ T9333]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  485.259991][ T9333]  ? copy_msghdr_from_user (net/socket.c:2619)
[  485.259993][ T9333]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  485.259998][ T9333]  __sys_sendmsg (net/socket.c:2799)
[  485.260000][ T9333]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  485.260003][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.260004][ T9333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.260006][ T9333]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  485.260008][ T9333]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  485.260011][ T9333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  485.260013][ T9333] RIP: 0033:0x7fddd7ed954e
[  485.260015][ T9333] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  485.260017][ T9333] RSP: 002b:00007fff6ebc90b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  485.260021][ T9333] RAX: ffffffffffffffda RBX: 00007fff6ebc9878 RCX: 00007fddd7ed954e
[  485.260023][ T9333] RDX: 0000000000000000 RSI: 00007fff6ebc9160 RDI: 0000000000000005
[  485.260024][ T9333] RBP: 00007fff6ebc90c0 R08: 0000000000000000 R09: 0000000000000000
[  485.260025][ T9333] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b93
[  485.260026][ T9333] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6ebc9830
| [  486.748119][ T9402] softirqs last disabled at (0): 0x0
| [  486.748121][ T9402] Preemption disabled at:
| [  486.748122][ T9402] vprintk_emit (kernel/printk/printk.c:2471)
| [  486.748133][ T9402] Tainted: [W]=WARN
[  486.748134][ T9402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  486.748136][ T9402] Call Trace:
[  486.748137][ T9402]  <TASK>
[  486.748138][ T9402]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  486.748144][ T9402]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  486.748146][ T9402]  __might_resched.cold (kernel/sched/core.c:9234)
[  486.748149][ T9402]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  486.748153][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748155][ T9402]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  486.748159][ T9402]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  486.748162][ T9402]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  486.748168][ T9402]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  486.748169][ T9402]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  486.748172][ T9402]  put_chars (drivers/char/virtio_console.c:1176)
[  486.748174][ T9402]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  486.748175][ T9402]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  486.748178][ T9402]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  486.748180][ T9402]  ? pointer (lib/vsprintf.c:2577)
[  486.748184][ T9402]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  486.748189][ T9402]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  486.748191][ T9402]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  486.748193][ T9402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.748196][ T9402]  console_emit_next_record (kernel/printk/printk.c:3183)
[  486.748199][ T9402]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  486.748201][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748202][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748203][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748204][ T9402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.748206][ T9402]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  486.748208][ T9402]  console_flush_one_record (kernel/printk/printk.c:3268)
[  486.748211][ T9402]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  486.748214][ T9402]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  486.748216][ T9402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.748218][ T9402]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  486.748220][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748221][ T9402]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  486.748222][ T9402]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  486.748224][ T9402]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  486.748226][ T9402]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  486.748228][ T9402]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  486.748229][ T9402]  vprintk_emit (kernel/printk/printk.c:2479)
[  486.748231][ T9402]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  486.748233][ T9402]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  486.748235][ T9402]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  486.748238][ T9402]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  486.748241][ T9402]  _printk (kernel/printk/printk.c:2504)
[  486.748244][ T9402]  ? snapshot_read.cold (user.c:?)
[  486.748246][ T9402]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  486.748249][ T9402]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  486.748252][ T9402]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  486.748254][ T9402]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  486.748257][ T9402]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  486.748260][ T9402]  ? netdev_notice (net/core/dev.c:13194)
[  486.748262][ T9402]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  486.748264][ T9402]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  486.748266][ T9402]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  486.748268][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748269][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748270][ T9402]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  486.748272][ T9402]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  486.748274][ T9402]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  486.748275][ T9402]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  486.748276][ T9402]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  486.748278][ T9402]  ? register_netdev (net/core/dev.c:11618)
[  486.748280][ T9402]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  486.748282][ T9402]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  486.748285][ T9402]  ? __kernel_text_address (kernel/extable.c:79)
[  486.748287][ T9402]  ? write_profile (profile.c:?)
[  486.748290][ T9402]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  486.748294][ T9402]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  486.748296][ T9402]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  486.748298][ T9402]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  486.748299][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748300][ T9402]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  486.748304][ T9402]  ? kasan_save_stack (mm/kasan/common.c:58)
[  486.748306][ T9402]  ? kasan_save_stack (mm/kasan/common.c:57)
[  486.748307][ T9402]  ? kasan_save_track (mm/kasan/common.c:78)
[  486.748308][ T9402]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  486.748310][ T9402]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  486.748311][ T9402]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  486.748312][ T9402]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  486.748314][ T9402]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  486.748317][ T9402]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  486.748318][ T9402]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  486.748320][ T9402]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  486.748323][ T9402]  ? ____sys_sendmsg (net/socket.c:2713)
[  486.748324][ T9402]  ? ___sys_sendmsg (net/socket.c:2767)
[  486.748326][ T9402]  ? __sys_sendmsg (net/socket.c:2799)
[  486.748328][ T9402]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  486.748330][ T9402]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  486.748333][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748334][ T9402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.748335][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748336][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748338][ T9402]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  486.748339][ T9402]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  486.748341][ T9402]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  486.748342][ T9402]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  486.748344][ T9402]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  486.748345][ T9402]  ? nla_get_range_signed (lib/nlattr.c:270)
[  486.748348][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748350][ T9402]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  486.748352][ T9402]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  486.748354][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748355][ T9402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  486.748357][ T9402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.748358][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748360][ T9402]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  486.748362][ T9402]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  486.748364][ T9402]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  486.748365][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748366][ T9402]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  486.748370][ T9402]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  486.748372][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748373][ T9402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.748375][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748376][ T9402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  486.748378][ T9402]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  486.748380][ T9402]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  486.748381][ T9402]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  486.748383][ T9402]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  486.748385][ T9402]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  486.748387][ T9402]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  486.748389][ T9402]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  486.748390][ T9402]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  486.748392][ T9402]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  486.748395][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748396][ T9402]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  486.748399][ T9402]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  486.748401][ T9402]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  486.748403][ T9402]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  486.748405][ T9402]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  486.748407][ T9402]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  486.748409][ T9402]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  486.748411][ T9402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.748412][ T9402]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  486.748416][ T9402]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  486.748418][ T9402]  ____sys_sendmsg (net/socket.c:2713)
[  486.748419][ T9402]  ? copy_msghdr_from_user (net/socket.c:2650)
[  486.748421][ T9402]  ? sock_write_iter (net/socket.c:1269)
[  486.748423][ T9402]  ? move_addr_to_kernel (net/socket.c:258)
[  486.748425][ T9402]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  486.748427][ T9402]  ___sys_sendmsg (net/socket.c:2767)
[  486.748429][ T9402]  ? copy_msghdr_from_user (net/socket.c:2619)
[  486.748434][ T9402]  __sys_sendmsg (net/socket.c:2799)
[  486.748436][ T9402]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  486.748439][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.748441][ T9402]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  486.748443][ T9402]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  486.748445][ T9402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  486.748447][ T9402] RIP: 0033:0x7f802c40654e
[  486.748449][ T9402] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  486.748451][ T9402] RSP: 002b:00007fff4ec85500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  486.748454][ T9402] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f802c40654e
[  486.748456][ T9402] RDX: 0000000000000000 RSI: 00007fff4ec855b0 RDI: 0000000000000005
[  486.748457][ T9402] RBP: 00007fff4ec85510 R08: 0000000000000000 R09: 0000000000000000
[  486.748458][ T9402] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b95
[  486.748459][ T9402] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4ec85c70
| [  487.889145][ T9452] softirqs last disabled at (0): 0x0
| [  487.889147][ T9452] Preemption disabled at:
| [  487.889148][ T9452] vprintk_emit (kernel/printk/printk.c:2471)
| [  487.889158][ T9452] Tainted: [W]=WARN
[  487.889159][ T9452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  487.889162][ T9452] Call Trace:
[  487.889163][ T9452]  <TASK>
[  487.889164][ T9452]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  487.889170][ T9452]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  487.889172][ T9452]  __might_resched.cold (kernel/sched/core.c:9234)
[  487.889176][ T9452]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  487.889178][ T9452]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  487.889181][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889184][ T9452]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  487.889187][ T9452]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  487.889190][ T9452]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  487.889195][ T9452]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  487.889197][ T9452]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  487.889199][ T9452]  put_chars (drivers/char/virtio_console.c:1176)
[  487.889201][ T9452]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  487.889203][ T9452]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  487.889206][ T9452]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  487.889211][ T9452]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  487.889213][ T9452]  ? vsnprintf (lib/vsprintf.c:2900)
[  487.889216][ T9452]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  487.889218][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889219][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889221][ T9452]  console_emit_next_record (kernel/printk/printk.c:3183)
[  487.889224][ T9452]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  487.889226][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889227][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889228][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889229][ T9452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.889232][ T9452]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  487.889234][ T9452]  console_flush_one_record (kernel/printk/printk.c:3268)
[  487.889236][ T9452]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  487.889239][ T9452]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  487.889241][ T9452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.889243][ T9452]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  487.889244][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889245][ T9452]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  487.889247][ T9452]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  487.889249][ T9452]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  487.889250][ T9452]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  487.889252][ T9452]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  487.889253][ T9452]  vprintk_emit (kernel/printk/printk.c:2479)
[  487.889255][ T9452]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  487.889257][ T9452]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  487.889258][ T9452]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  487.889261][ T9452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.889263][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889265][ T9452]  _printk (kernel/printk/printk.c:2504)
[  487.889268][ T9452]  ? snapshot_read.cold (user.c:?)
[  487.889270][ T9452]  ? br_multicast_flood (??:?)
[  487.889273][ T9452]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  487.889276][ T9452]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  487.889278][ T9452]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  487.889280][ T9452]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  487.889282][ T9452]  br_init_port (net/bridge/br_stp_if.c:39)
[  487.889284][ T9452]  new_nbp (net/bridge/br_if.c:449)
[  487.889287][ T9452]  br_add_if (net/bridge/br_if.c:592)
[  487.889288][ T9452]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  487.889293][ T9452]  do_set_master (net/core/rtnetlink.c:3071)
[  487.889295][ T9452]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  487.889297][ T9452]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  487.889298][ T9452]  ? __dev_get_by_name (net/core/dev.c:905)
[  487.889300][ T9452]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  487.889304][ T9452]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  487.889307][ T9452]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  487.889309][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889310][ T9452]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  487.889311][ T9452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.889313][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889315][ T9452]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  487.889317][ T9452]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  487.889319][ T9452]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  487.889321][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889323][ T9452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.889324][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889325][ T9452]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  487.889327][ T9452]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  487.889329][ T9452]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  487.889330][ T9452]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  487.889332][ T9452]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  487.889336][ T9452]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  487.889339][ T9452]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  487.889340][ T9452]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  487.889342][ T9452]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  487.889343][ T9452]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  487.889347][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889348][ T9452]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  487.889350][ T9452]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  487.889352][ T9452]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  487.889354][ T9452]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  487.889357][ T9452]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  487.889360][ T9452]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  487.889362][ T9452]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  487.889364][ T9452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.889366][ T9452]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  487.889370][ T9452]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  487.889373][ T9452]  ____sys_sendmsg (net/socket.c:2713)
[  487.889375][ T9452]  ? copy_msghdr_from_user (net/socket.c:2650)
[  487.889376][ T9452]  ? sock_write_iter (net/socket.c:1269)
[  487.889378][ T9452]  ? move_addr_to_kernel (net/socket.c:258)
[  487.889380][ T9452]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  487.889383][ T9452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.889385][ T9452]  ___sys_sendmsg (net/socket.c:2767)
[  487.889387][ T9452]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  487.889389][ T9452]  ? copy_msghdr_from_user (net/socket.c:2619)
[  487.889390][ T9452]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  487.889395][ T9452]  __sys_sendmsg (net/socket.c:2799)
[  487.889397][ T9452]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  487.889400][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889401][ T9452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.889403][ T9452]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  487.889406][ T9452]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  487.889407][ T9452]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  487.889410][ T9452] RIP: 0033:0x7fca76a7f54e
[  487.889412][ T9452] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  487.889414][ T9452] RSP: 002b:00007ffe971ea6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  487.889418][ T9452] RAX: ffffffffffffffda RBX: 00007ffe971eaea8 RCX: 00007fca76a7f54e
[  487.889419][ T9452] RDX: 0000000000000000 RSI: 00007ffe971ea790 RDI: 0000000000000005
[  487.889420][ T9452] RBP: 00007ffe971ea6f0 R08: 0000000000000000 R09: 0000000000000000
[  487.889421][ T9452] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b96
[  487.889422][ T9452] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe971eae60
| [  496.075917][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  496.075919][   T12] Preemption disabled at:
| [  496.075920][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  496.075929][   T12] Tainted: [W]=WARN
[  496.075930][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  496.075932][   T12] Workqueue: netns cleanup_net
[  496.075939][   T12] Call Trace:
[  496.075940][   T12]  <TASK>
[  496.075942][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  496.075948][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  496.075949][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  496.075953][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  496.075955][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  496.075958][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.075961][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  496.075964][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  496.075967][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  496.075971][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  496.075973][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  496.075976][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  496.075978][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  496.075980][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  496.075982][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  496.075987][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  496.075989][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  496.075992][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  496.075994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.075995][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.075997][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  496.075999][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  496.076002][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.076003][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.076004][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.076005][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.076008][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  496.076009][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  496.076012][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  496.076015][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  496.076017][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.076019][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  496.076021][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.076022][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  496.076023][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  496.076025][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  496.076026][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  496.076028][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  496.076029][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  496.076031][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  496.076033][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  496.076034][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  496.076038][   T12]  ? kthread (kernel/kthread.c:436)
[  496.076041][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  496.076045][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  496.076049][   T12]  _printk (kernel/printk/printk.c:2504)
[  496.076053][   T12]  ? snapshot_read.cold (user.c:?)
[  496.076057][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  496.076061][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  496.076063][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  496.076071][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  496.076073][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.076074][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  496.076076][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  496.076079][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  496.076081][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  496.076082][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  496.076085][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  496.076088][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  496.076092][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  496.076094][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  496.076096][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  496.076099][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  496.076101][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  496.076104][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  496.076106][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  496.076107][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.076109][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.076111][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.076112][   T12]  process_one_work (kernel/workqueue.c:3387)
[  496.076116][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  496.076118][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  496.076121][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  496.076124][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  496.076126][   T12]  kthread (kernel/kthread.c:436)
[  496.076128][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  496.076129][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  496.076131][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  496.076133][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  496.076135][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  496.076138][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  496.076140][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  497.450583][ T9671] softirqs last disabled at (0): 0x0
| [  497.450585][ T9671] Preemption disabled at:
| [  497.450586][ T9671] vprintk_emit (kernel/printk/printk.c:2471)
| [  497.450596][ T9671] Tainted: [W]=WARN
[  497.450597][ T9671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  497.450599][ T9671] Call Trace:
[  497.450601][ T9671]  <TASK>
[  497.450602][ T9671]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  497.450608][ T9671]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  497.450609][ T9671]  __might_resched.cold (kernel/sched/core.c:9234)
[  497.450613][ T9671]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  497.450615][ T9671]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  497.450618][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450621][ T9671]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  497.450624][ T9671]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  497.450627][ T9671]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  497.450632][ T9671]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  497.450634][ T9671]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  497.450645][ T9671]  put_chars (drivers/char/virtio_console.c:1176)
[  497.450646][ T9671]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  497.450648][ T9671]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  497.450651][ T9671]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  497.450656][ T9671]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  497.450658][ T9671]  ? vsnprintf (lib/vsprintf.c:2900)
[  497.450661][ T9671]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  497.450663][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450664][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450666][ T9671]  console_emit_next_record (kernel/printk/printk.c:3183)
[  497.450669][ T9671]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  497.450671][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450672][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450673][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450674][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.450677][ T9671]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  497.450679][ T9671]  console_flush_one_record (kernel/printk/printk.c:3268)
[  497.450681][ T9671]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  497.450684][ T9671]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  497.450686][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.450688][ T9671]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  497.450690][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450691][ T9671]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  497.450692][ T9671]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  497.450694][ T9671]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  497.450695][ T9671]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  497.450698][ T9671]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  497.450699][ T9671]  vprintk_emit (kernel/printk/printk.c:2479)
[  497.450701][ T9671]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  497.450702][ T9671]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  497.450704][ T9671]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  497.450707][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.450709][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450710][ T9671]  _printk (kernel/printk/printk.c:2504)
[  497.450713][ T9671]  ? snapshot_read.cold (user.c:?)
[  497.450716][ T9671]  ? br_multicast_flood (??:?)
[  497.450719][ T9671]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  497.450722][ T9671]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  497.450723][ T9671]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  497.450725][ T9671]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  497.450728][ T9671]  br_init_port (net/bridge/br_stp_if.c:39)
[  497.450730][ T9671]  new_nbp (net/bridge/br_if.c:449)
[  497.450732][ T9671]  br_add_if (net/bridge/br_if.c:592)
[  497.450734][ T9671]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  497.450739][ T9671]  do_set_master (net/core/rtnetlink.c:3071)
[  497.450741][ T9671]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  497.450743][ T9671]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  497.450744][ T9671]  ? __dev_get_by_name (net/core/dev.c:905)
[  497.450746][ T9671]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  497.450750][ T9671]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  497.450752][ T9671]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  497.450754][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450756][ T9671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  497.450757][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.450759][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450760][ T9671]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  497.450763][ T9671]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  497.450765][ T9671]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  497.450767][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450768][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.450770][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450771][ T9671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  497.450773][ T9671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  497.450775][ T9671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  497.450776][ T9671]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  497.450777][ T9671]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  497.450781][ T9671]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  497.450784][ T9671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  497.450786][ T9671]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  497.450788][ T9671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  497.450789][ T9671]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  497.450792][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450793][ T9671]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  497.450795][ T9671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  497.450798][ T9671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  497.450800][ T9671]  ? next_uptodate_folio (mm/filemap.c:3747)
[  497.450803][ T9671]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  497.450805][ T9671]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  497.450807][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.450809][ T9671]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  497.450812][ T9671]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  497.450816][ T9671]  ____sys_sendmsg (net/socket.c:2713)
[  497.450817][ T9671]  ? copy_msghdr_from_user (net/socket.c:2650)
[  497.450819][ T9671]  ? sock_write_iter (net/socket.c:1269)
[  497.450821][ T9671]  ? move_addr_to_kernel (net/socket.c:258)
[  497.450823][ T9671]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  497.450826][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.450828][ T9671]  ___sys_sendmsg (net/socket.c:2767)
[  497.450829][ T9671]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  497.450831][ T9671]  ? copy_msghdr_from_user (net/socket.c:2619)
[  497.450833][ T9671]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  497.450838][ T9671]  __sys_sendmsg (net/socket.c:2799)
[  497.450840][ T9671]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  497.450843][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450844][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.450845][ T9671]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  497.450848][ T9671]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  497.450850][ T9671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  497.450852][ T9671] RIP: 0033:0x7f040520254e
[  497.450854][ T9671] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  497.450856][ T9671] RSP: 002b:00007ffc17c4a140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  497.450860][ T9671] RAX: ffffffffffffffda RBX: 00007ffc17c4a908 RCX: 00007f040520254e
[  497.450861][ T9671] RDX: 0000000000000000 RSI: 00007ffc17c4a1f0 RDI: 0000000000000005
[  497.450862][ T9671] RBP: 00007ffc17c4a150 R08: 0000000000000000 R09: 0000000000000000
[  497.450863][ T9671] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b9f
[  497.450864][ T9671] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc17c4a8c0
| [  499.010763][ T9741] softirqs last disabled at (0): 0x0
| [  499.010766][ T9741] Preemption disabled at:
| [  499.010767][ T9741] vprintk_emit (kernel/printk/printk.c:2471)
| [  499.010781][ T9741] Tainted: [W]=WARN
[  499.010783][ T9741] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  499.010785][ T9741] Call Trace:
[  499.010787][ T9741]  <TASK>
[  499.010789][ T9741]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  499.010797][ T9741]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  499.010799][ T9741]  __might_resched.cold (kernel/sched/core.c:9234)
[  499.010804][ T9741]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  499.010809][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.010813][ T9741]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  499.010817][ T9741]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  499.010821][ T9741]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  499.010828][ T9741]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  499.010830][ T9741]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  499.010834][ T9741]  put_chars (drivers/char/virtio_console.c:1176)
[  499.010837][ T9741]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  499.010839][ T9741]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  499.010843][ T9741]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  499.010847][ T9741]  ? pointer (lib/vsprintf.c:2577)
[  499.010852][ T9741]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  499.010858][ T9741]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  499.010861][ T9741]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  499.010864][ T9741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.010868][ T9741]  console_emit_next_record (kernel/printk/printk.c:3183)
[  499.010873][ T9741]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  499.010876][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.010878][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.010880][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.010882][ T9741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.010885][ T9741]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  499.010888][ T9741]  console_flush_one_record (kernel/printk/printk.c:3268)
[  499.010892][ T9741]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  499.010897][ T9741]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  499.010900][ T9741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.010902][ T9741]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  499.010905][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.010907][ T9741]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  499.010910][ T9741]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  499.010913][ T9741]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  499.010916][ T9741]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  499.010919][ T9741]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  499.010921][ T9741]  vprintk_emit (kernel/printk/printk.c:2479)
[  499.010925][ T9741]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  499.010927][ T9741]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  499.010930][ T9741]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  499.010935][ T9741]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  499.010938][ T9741]  _printk (kernel/printk/printk.c:2504)
[  499.010943][ T9741]  ? snapshot_read.cold (user.c:?)
[  499.010946][ T9741]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  499.010950][ T9741]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  499.010954][ T9741]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  499.010957][ T9741]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  499.010962][ T9741]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  499.010965][ T9741]  ? netdev_notice (net/core/dev.c:13194)
[  499.010969][ T9741]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  499.010971][ T9741]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  499.010975][ T9741]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  499.010978][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.010980][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.010982][ T9741]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  499.010984][ T9741]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  499.010987][ T9741]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  499.010990][ T9741]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  499.010992][ T9741]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  499.010996][ T9741]  ? register_netdev (net/core/dev.c:11618)
[  499.010998][ T9741]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  499.011001][ T9741]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  499.011005][ T9741]  ? __kernel_text_address (kernel/extable.c:79)
[  499.011009][ T9741]  ? write_profile (profile.c:?)
[  499.011013][ T9741]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  499.011018][ T9741]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  499.011021][ T9741]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  499.011024][ T9741]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  499.011026][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.011029][ T9741]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  499.011033][ T9741]  ? kasan_save_stack (mm/kasan/common.c:58)
[  499.011036][ T9741]  ? kasan_save_stack (mm/kasan/common.c:57)
[  499.011038][ T9741]  ? kasan_save_track (mm/kasan/common.c:78)
[  499.011040][ T9741]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  499.011042][ T9741]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  499.011045][ T9741]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  499.011047][ T9741]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  499.011049][ T9741]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  499.011053][ T9741]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  499.011056][ T9741]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  499.011058][ T9741]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  499.011062][ T9741]  ? ____sys_sendmsg (net/socket.c:2713)
[  499.011065][ T9741]  ? ___sys_sendmsg (net/socket.c:2767)
[  499.011070][ T9741]  ? __sys_sendmsg (net/socket.c:2799)
[  499.011073][ T9741]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  499.011077][ T9741]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  499.011082][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.011085][ T9741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.011088][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.011090][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.011092][ T9741]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  499.011095][ T9741]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  499.011098][ T9741]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  499.011100][ T9741]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  499.011103][ T9741]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  499.011105][ T9741]  ? nla_get_range_signed (lib/nlattr.c:270)
[  499.011110][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.011112][ T9741]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  499.011116][ T9741]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  499.011120][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.011122][ T9741]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  499.011124][ T9741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.011127][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.011130][ T9741]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  499.011133][ T9741]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  499.011135][ T9741]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  499.011138][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.011141][ T9741]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  499.011145][ T9741]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  499.011148][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.011151][ T9741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.011153][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.011155][ T9741]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  499.011158][ T9741]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  499.011161][ T9741]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  499.011164][ T9741]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  499.011166][ T9741]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  499.011171][ T9741]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  499.011173][ T9741]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  499.011176][ T9741]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  499.011179][ T9741]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  499.011181][ T9741]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  499.011186][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.011188][ T9741]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  499.011192][ T9741]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  499.011195][ T9741]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  499.011199][ T9741]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  499.011202][ T9741]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  499.011206][ T9741]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  499.011208][ T9741]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  499.011211][ T9741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.011214][ T9741]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  499.011219][ T9741]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  499.011222][ T9741]  ____sys_sendmsg (net/socket.c:2713)
[  499.011225][ T9741]  ? copy_msghdr_from_user (net/socket.c:2650)
[  499.011227][ T9741]  ? sock_write_iter (net/socket.c:1269)
[  499.011230][ T9741]  ? move_addr_to_kernel (net/socket.c:258)
[  499.011233][ T9741]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  499.011238][ T9741]  ___sys_sendmsg (net/socket.c:2767)
[  499.011241][ T9741]  ? copy_msghdr_from_user (net/socket.c:2619)
[  499.011249][ T9741]  __sys_sendmsg (net/socket.c:2799)
[  499.011252][ T9741]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  499.011257][ T9741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.011260][ T9741]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  499.011263][ T9741]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  499.011266][ T9741]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  499.011268][ T9741] RIP: 0033:0x7fa1eab6654e
[  499.011271][ T9741] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  499.011274][ T9741] RSP: 002b:00007ffdd47cb3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  499.011279][ T9741] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa1eab6654e
[  499.011281][ T9741] RDX: 0000000000000000 RSI: 00007ffdd47cb450 RDI: 0000000000000005
[  499.011283][ T9741] RBP: 00007ffdd47cb3b0 R08: 0000000000000000 R09: 0000000000000000
[  499.011285][ T9741] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ba1
[  499.011287][ T9741] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd47cbb10
| [  500.433427][ T9791] softirqs last disabled at (0): 0x0
| [  500.433429][ T9791] Preemption disabled at:
| [  500.433430][ T9791] vprintk_emit (kernel/printk/printk.c:2471)
| [  500.433440][ T9791] Tainted: [W]=WARN
[  500.433441][ T9791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  500.433443][ T9791] Call Trace:
[  500.433445][ T9791]  <TASK>
[  500.433446][ T9791]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  500.433452][ T9791]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  500.433453][ T9791]  __might_resched.cold (kernel/sched/core.c:9234)
[  500.433457][ T9791]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  500.433460][ T9791]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  500.433463][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433466][ T9791]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  500.433469][ T9791]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  500.433472][ T9791]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  500.433477][ T9791]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  500.433481][ T9791]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  500.433484][ T9791]  put_chars (drivers/char/virtio_console.c:1176)
[  500.433485][ T9791]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  500.433487][ T9791]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  500.433490][ T9791]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  500.433495][ T9791]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  500.433497][ T9791]  ? vsnprintf (lib/vsprintf.c:2900)
[  500.433500][ T9791]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  500.433502][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433504][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433506][ T9791]  console_emit_next_record (kernel/printk/printk.c:3183)
[  500.433508][ T9791]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  500.433511][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433512][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433513][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433514][ T9791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.433517][ T9791]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  500.433518][ T9791]  console_flush_one_record (kernel/printk/printk.c:3268)
[  500.433521][ T9791]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  500.433524][ T9791]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  500.433526][ T9791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.433528][ T9791]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  500.433530][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433531][ T9791]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  500.433532][ T9791]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  500.433534][ T9791]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  500.433536][ T9791]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  500.433538][ T9791]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  500.433539][ T9791]  vprintk_emit (kernel/printk/printk.c:2479)
[  500.433541][ T9791]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  500.433542][ T9791]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  500.433544][ T9791]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  500.433547][ T9791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.433549][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433550][ T9791]  _printk (kernel/printk/printk.c:2504)
[  500.433554][ T9791]  ? snapshot_read.cold (user.c:?)
[  500.433556][ T9791]  ? br_multicast_flood (??:?)
[  500.433559][ T9791]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  500.433562][ T9791]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  500.433564][ T9791]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  500.433565][ T9791]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  500.433568][ T9791]  br_init_port (net/bridge/br_stp_if.c:39)
[  500.433570][ T9791]  new_nbp (net/bridge/br_if.c:449)
[  500.433573][ T9791]  br_add_if (net/bridge/br_if.c:592)
[  500.433575][ T9791]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  500.433579][ T9791]  do_set_master (net/core/rtnetlink.c:3071)
[  500.433581][ T9791]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  500.433583][ T9791]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  500.433584][ T9791]  ? __dev_get_by_name (net/core/dev.c:905)
[  500.433586][ T9791]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  500.433590][ T9791]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  500.433593][ T9791]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  500.433595][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433596][ T9791]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  500.433597][ T9791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.433599][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433601][ T9791]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  500.433604][ T9791]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  500.433606][ T9791]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  500.433609][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433610][ T9791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.433611][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433613][ T9791]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  500.433614][ T9791]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  500.433616][ T9791]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  500.433617][ T9791]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  500.433619][ T9791]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  500.433623][ T9791]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  500.433626][ T9791]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  500.433628][ T9791]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  500.433629][ T9791]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  500.433631][ T9791]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  500.433634][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433635][ T9791]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  500.433637][ T9791]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  500.433640][ T9791]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  500.433642][ T9791]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  500.433645][ T9791]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  500.433648][ T9791]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  500.433650][ T9791]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  500.433652][ T9791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.433658][ T9791]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  500.433662][ T9791]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  500.433665][ T9791]  ____sys_sendmsg (net/socket.c:2713)
[  500.433667][ T9791]  ? copy_msghdr_from_user (net/socket.c:2650)
[  500.433669][ T9791]  ? sock_write_iter (net/socket.c:1269)
[  500.433670][ T9791]  ? move_addr_to_kernel (net/socket.c:258)
[  500.433673][ T9791]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  500.433675][ T9791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.433677][ T9791]  ___sys_sendmsg (net/socket.c:2767)
[  500.433679][ T9791]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  500.433681][ T9791]  ? copy_msghdr_from_user (net/socket.c:2619)
[  500.433683][ T9791]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  500.433688][ T9791]  __sys_sendmsg (net/socket.c:2799)
[  500.433690][ T9791]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  500.433693][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433694][ T9791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.433696][ T9791]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  500.433698][ T9791]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  500.433700][ T9791]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  500.433703][ T9791] RIP: 0033:0x7f201b64f54e
[  500.433705][ T9791] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  500.433707][ T9791] RSP: 002b:00007ffcff2f0890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  500.433711][ T9791] RAX: ffffffffffffffda RBX: 00007ffcff2f1058 RCX: 00007f201b64f54e
[  500.433712][ T9791] RDX: 0000000000000000 RSI: 00007ffcff2f0940 RDI: 0000000000000005
[  500.433714][ T9791] RBP: 00007ffcff2f08a0 R08: 0000000000000000 R09: 0000000000000000
[  500.433714][ T9791] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ba2
[  500.433715][ T9791] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcff2f1010
| [  507.352509][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  507.352511][   T12] Preemption disabled at:
| [  507.352512][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  507.352522][   T12] Tainted: [W]=WARN
[  507.352523][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  507.352524][   T12] Workqueue: netns cleanup_net
[  507.352531][   T12] Call Trace:
[  507.352533][   T12]  <TASK>
[  507.352534][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  507.352540][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  507.352541][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  507.352545][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  507.352547][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  507.352550][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.352552][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  507.352555][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  507.352558][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  507.352563][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  507.352565][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  507.352567][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  507.352569][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  507.352571][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  507.352573][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  507.352578][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  507.352580][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  507.352583][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  507.352585][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.352586][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.352588][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  507.352591][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  507.352593][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.352594][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.352595][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.352597][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.352599][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  507.352601][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  507.352604][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  507.352606][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  507.352608][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.352610][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  507.352612][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.352613][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  507.352615][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  507.352616][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  507.352618][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  507.352620][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  507.352621][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  507.352623][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  507.352624][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  507.352626][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  507.352629][   T12]  ? kthread (kernel/kthread.c:436)
[  507.352631][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  507.352634][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  507.352637][   T12]  _printk (kernel/printk/printk.c:2504)
[  507.352640][   T12]  ? snapshot_read.cold (user.c:?)
[  507.352642][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  507.352645][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  507.352648][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  507.352650][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  507.352652][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.352654][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  507.352655][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  507.352659][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  507.352660][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  507.352661][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  507.352664][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  507.352666][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  507.352670][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  507.352673][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  507.352675][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  507.352678][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  507.352680][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  507.352683][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  507.352685][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  507.352686][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  507.352689][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.352691][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.352693][   T12]  process_one_work (kernel/workqueue.c:3387)
[  507.352702][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  507.352705][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  507.352708][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  507.352711][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  507.352713][   T12]  kthread (kernel/kthread.c:436)
[  507.352715][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  507.352716][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  507.352718][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  507.352720][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  507.352722][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  507.352725][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  507.352727][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  508.677617][ T9956] softirqs last disabled at (0): 0x0
| [  508.677619][ T9956] Preemption disabled at:
| [  508.677620][ T9956] vprintk_emit (kernel/printk/printk.c:2471)
| [  508.677630][ T9956] Tainted: [W]=WARN
[  508.677631][ T9956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  508.677633][ T9956] Call Trace:
[  508.677635][ T9956]  <TASK>
[  508.677636][ T9956]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  508.677642][ T9956]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  508.677643][ T9956]  __might_resched.cold (kernel/sched/core.c:9234)
[  508.677647][ T9956]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  508.677650][ T9956]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  508.677653][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677655][ T9956]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  508.677658][ T9956]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  508.677662][ T9956]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  508.677667][ T9956]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  508.677668][ T9956]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  508.677671][ T9956]  put_chars (drivers/char/virtio_console.c:1176)
[  508.677673][ T9956]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  508.677675][ T9956]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  508.677677][ T9956]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  508.677683][ T9956]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  508.677685][ T9956]  ? vsnprintf (lib/vsprintf.c:2900)
[  508.677688][ T9956]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  508.677690][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677691][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677693][ T9956]  console_emit_next_record (kernel/printk/printk.c:3183)
[  508.677696][ T9956]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  508.677698][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677699][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677700][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677702][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.677710][ T9956]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  508.677712][ T9956]  console_flush_one_record (kernel/printk/printk.c:3268)
[  508.677714][ T9956]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  508.677717][ T9956]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  508.677719][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.677721][ T9956]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  508.677723][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677724][ T9956]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  508.677726][ T9956]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  508.677727][ T9956]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  508.677729][ T9956]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  508.677731][ T9956]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  508.677733][ T9956]  vprintk_emit (kernel/printk/printk.c:2479)
[  508.677734][ T9956]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  508.677736][ T9956]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  508.677738][ T9956]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  508.677741][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.677742][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677744][ T9956]  _printk (kernel/printk/printk.c:2504)
[  508.677747][ T9956]  ? snapshot_read.cold (user.c:?)
[  508.677749][ T9956]  ? br_multicast_flood (??:?)
[  508.677753][ T9956]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  508.677756][ T9956]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  508.677757][ T9956]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  508.677759][ T9956]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  508.677761][ T9956]  br_init_port (net/bridge/br_stp_if.c:39)
[  508.677763][ T9956]  new_nbp (net/bridge/br_if.c:449)
[  508.677766][ T9956]  br_add_if (net/bridge/br_if.c:592)
[  508.677768][ T9956]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  508.677772][ T9956]  do_set_master (net/core/rtnetlink.c:3071)
[  508.677774][ T9956]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  508.677776][ T9956]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  508.677778][ T9956]  ? __dev_get_by_name (net/core/dev.c:905)
[  508.677779][ T9956]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  508.677783][ T9956]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  508.677786][ T9956]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  508.677788][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677789][ T9956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  508.677791][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.677793][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677794][ T9956]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  508.677797][ T9956]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  508.677799][ T9956]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  508.677801][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677803][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.677804][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677805][ T9956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  508.677807][ T9956]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  508.677809][ T9956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  508.677810][ T9956]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  508.677812][ T9956]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  508.677816][ T9956]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  508.677819][ T9956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  508.677820][ T9956]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  508.677822][ T9956]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  508.677824][ T9956]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  508.677827][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677828][ T9956]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  508.677830][ T9956]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  508.677832][ T9956]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  508.677834][ T9956]  ? next_uptodate_folio (mm/filemap.c:3747)
[  508.677837][ T9956]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  508.677840][ T9956]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  508.677842][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.677844][ T9956]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  508.677847][ T9956]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  508.677850][ T9956]  ____sys_sendmsg (net/socket.c:2713)
[  508.677852][ T9956]  ? copy_msghdr_from_user (net/socket.c:2650)
[  508.677854][ T9956]  ? sock_write_iter (net/socket.c:1269)
[  508.677856][ T9956]  ? move_addr_to_kernel (net/socket.c:258)
[  508.677858][ T9956]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  508.677861][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.677863][ T9956]  ___sys_sendmsg (net/socket.c:2767)
[  508.677864][ T9956]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  508.677866][ T9956]  ? copy_msghdr_from_user (net/socket.c:2619)
[  508.677868][ T9956]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  508.677873][ T9956]  __sys_sendmsg (net/socket.c:2799)
[  508.677875][ T9956]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  508.677878][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677879][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.677881][ T9956]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  508.677884][ T9956]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  508.677886][ T9956]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  508.677888][ T9956] RIP: 0033:0x7f675637254e
[  508.677890][ T9956] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  508.677892][ T9956] RSP: 002b:00007fff53e9fee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  508.677896][ T9956] RAX: ffffffffffffffda RBX: 00007fff53ea06a8 RCX: 00007f675637254e
[  508.677898][ T9956] RDX: 0000000000000000 RSI: 00007fff53e9ff90 RDI: 0000000000000005
[  508.677899][ T9956] RBP: 00007fff53e9fef0 R08: 0000000000000000 R09: 0000000000000000
[  508.677900][ T9956] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bab
[  508.677901][ T9956] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff53ea0660
| [  510.199578][T10025] softirqs last disabled at (0): 0x0
| [  510.199581][T10025] Preemption disabled at:
| [  510.199583][T10025] vprintk_emit (kernel/printk/printk.c:2471)
| [  510.199595][T10025] Tainted: [W]=WARN
[  510.199597][T10025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  510.199599][T10025] Call Trace:
[  510.199601][T10025]  <TASK>
[  510.199603][T10025]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  510.199610][T10025]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  510.199612][T10025]  __might_resched.cold (kernel/sched/core.c:9234)
[  510.199617][T10025]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  510.199622][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199626][T10025]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  510.199629][T10025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  510.199633][T10025]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.199639][T10025]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  510.199643][T10025]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.199646][T10025]  put_chars (drivers/char/virtio_console.c:1176)
[  510.199649][T10025]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  510.199651][T10025]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  510.199655][T10025]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  510.199658][T10025]  ? pointer (lib/vsprintf.c:2577)
[  510.199663][T10025]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  510.199669][T10025]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  510.199672][T10025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  510.199675][T10025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.199679][T10025]  console_emit_next_record (kernel/printk/printk.c:3183)
[  510.199683][T10025]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  510.199686][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199688][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199690][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199693][T10025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.199696][T10025]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  510.199700][T10025]  console_flush_one_record (kernel/printk/printk.c:3268)
[  510.199704][T10025]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  510.199709][T10025]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  510.199717][T10025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.199719][T10025]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  510.199722][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199724][T10025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  510.199726][T10025]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  510.199729][T10025]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  510.199732][T10025]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  510.199735][T10025]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  510.199737][T10025]  vprintk_emit (kernel/printk/printk.c:2479)
[  510.199740][T10025]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  510.199742][T10025]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  510.199746][T10025]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  510.199750][T10025]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  510.199754][T10025]  _printk (kernel/printk/printk.c:2504)
[  510.199758][T10025]  ? snapshot_read.cold (user.c:?)
[  510.199761][T10025]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  510.199764][T10025]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  510.199769][T10025]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  510.199772][T10025]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.199776][T10025]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  510.199779][T10025]  ? netdev_notice (net/core/dev.c:13194)
[  510.199782][T10025]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  510.199785][T10025]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  510.199789][T10025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  510.199791][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199793][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199795][T10025]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  510.199798][T10025]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  510.199801][T10025]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  510.199803][T10025]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.199805][T10025]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  510.199808][T10025]  ? register_netdev (net/core/dev.c:11618)
[  510.199811][T10025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  510.199814][T10025]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  510.199818][T10025]  ? __kernel_text_address (kernel/extable.c:79)
[  510.199822][T10025]  ? write_profile (profile.c:?)
[  510.199826][T10025]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  510.199831][T10025]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.199834][T10025]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  510.199837][T10025]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  510.199839][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199842][T10025]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  510.199846][T10025]  ? kasan_save_stack (mm/kasan/common.c:58)
[  510.199849][T10025]  ? kasan_save_stack (mm/kasan/common.c:57)
[  510.199851][T10025]  ? kasan_save_track (mm/kasan/common.c:78)
[  510.199853][T10025]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  510.199855][T10025]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  510.199857][T10025]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  510.199859][T10025]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  510.199861][T10025]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  510.199865][T10025]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  510.199868][T10025]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  510.199871][T10025]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  510.199874][T10025]  ? ____sys_sendmsg (net/socket.c:2713)
[  510.199877][T10025]  ? ___sys_sendmsg (net/socket.c:2767)
[  510.199879][T10025]  ? __sys_sendmsg (net/socket.c:2799)
[  510.199882][T10025]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  510.199885][T10025]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  510.199889][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199892][T10025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.199894][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199896][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199898][T10025]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  510.199901][T10025]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  510.199904][T10025]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  510.199906][T10025]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  510.199909][T10025]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  510.199911][T10025]  ? nla_get_range_signed (lib/nlattr.c:270)
[  510.199916][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199918][T10025]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  510.199922][T10025]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  510.199926][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199928][T10025]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.199930][T10025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.199933][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199936][T10025]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  510.199939][T10025]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  510.199942][T10025]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  510.199944][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199946][T10025]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  510.199951][T10025]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  510.199954][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199956][T10025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.199959][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199961][T10025]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.199964][T10025]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  510.199967][T10025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.199969][T10025]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  510.199972][T10025]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  510.199976][T10025]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  510.199979][T10025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.199982][T10025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  510.199984][T10025]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  510.199987][T10025]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  510.199992][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.199994][T10025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  510.199997][T10025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  510.200001][T10025]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  510.200004][T10025]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  510.200007][T10025]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  510.200011][T10025]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  510.200013][T10025]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  510.200016][T10025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.200019][T10025]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  510.200023][T10025]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  510.200027][T10025]  ____sys_sendmsg (net/socket.c:2713)
[  510.200029][T10025]  ? copy_msghdr_from_user (net/socket.c:2650)
[  510.200032][T10025]  ? sock_write_iter (net/socket.c:1269)
[  510.200034][T10025]  ? move_addr_to_kernel (net/socket.c:258)
[  510.200037][T10025]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  510.200041][T10025]  ___sys_sendmsg (net/socket.c:2767)
[  510.200044][T10025]  ? copy_msghdr_from_user (net/socket.c:2619)
[  510.200052][T10025]  __sys_sendmsg (net/socket.c:2799)
[  510.200056][T10025]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  510.200060][T10025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.200063][T10025]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  510.200069][T10025]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  510.200072][T10025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  510.200074][T10025] RIP: 0033:0x7f826c89354e
[  510.200078][T10025] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  510.200083][T10025] RSP: 002b:00007ffcbc6fd7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  510.200088][T10025] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f826c89354e
[  510.200090][T10025] RDX: 0000000000000000 RSI: 00007ffcbc6fd880 RDI: 0000000000000005
[  510.200092][T10025] RBP: 00007ffcbc6fd7e0 R08: 0000000000000000 R09: 0000000000000000
[  510.200094][T10025] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bac
[  510.200096][T10025] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbc6fdf40
| [  511.657687][T10082] softirqs last disabled at (0): 0x0
| [  511.657690][T10082] Preemption disabled at:
| [  511.657691][T10082] vprintk_emit (kernel/printk/printk.c:2471)
| [  511.657706][T10082] Tainted: [W]=WARN
[  511.657707][T10082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  511.657709][T10082] Call Trace:
[  511.657712][T10082]  <TASK>
[  511.657714][T10082]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  511.657726][T10082]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  511.657728][T10082]  __might_resched.cold (kernel/sched/core.c:9234)
[  511.657733][T10082]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  511.657737][T10082]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  511.657741][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.657745][T10082]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  511.657750][T10082]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  511.657754][T10082]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  511.657761][T10082]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  511.657763][T10082]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  511.657767][T10082]  put_chars (drivers/char/virtio_console.c:1176)
[  511.657770][T10082]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  511.657773][T10082]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  511.657777][T10082]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  511.657784][T10082]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  511.657787][T10082]  ? vsnprintf (lib/vsprintf.c:2900)
[  511.657792][T10082]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  511.657794][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.657796][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.657799][T10082]  console_emit_next_record (kernel/printk/printk.c:3183)
[  511.657803][T10082]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  511.657807][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.657809][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.657811][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.657813][T10082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.657817][T10082]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  511.657820][T10082]  console_flush_one_record (kernel/printk/printk.c:3268)
[  511.657824][T10082]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  511.657828][T10082]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  511.657831][T10082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.657834][T10082]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  511.657837][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.657839][T10082]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  511.657841][T10082]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  511.657844][T10082]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  511.657847][T10082]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  511.657850][T10082]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  511.657852][T10082]  vprintk_emit (kernel/printk/printk.c:2479)
[  511.657855][T10082]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  511.657858][T10082]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  511.657861][T10082]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  511.657865][T10082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.657867][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.657870][T10082]  _printk (kernel/printk/printk.c:2504)
[  511.657874][T10082]  ? snapshot_read.cold (user.c:?)
[  511.657878][T10082]  ? br_multicast_flood (??:?)
[  511.657882][T10082]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  511.657886][T10082]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  511.657888][T10082]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  511.657892][T10082]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  511.657896][T10082]  br_init_port (net/bridge/br_stp_if.c:39)
[  511.657899][T10082]  new_nbp (net/bridge/br_if.c:449)
[  511.657902][T10082]  br_add_if (net/bridge/br_if.c:592)
[  511.657905][T10082]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  511.657912][T10082]  do_set_master (net/core/rtnetlink.c:3071)
[  511.657915][T10082]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  511.657918][T10082]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  511.657921][T10082]  ? __dev_get_by_name (net/core/dev.c:905)
[  511.657924][T10082]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  511.657930][T10082]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  511.657934][T10082]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  511.657938][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.657940][T10082]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  511.657943][T10082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.657945][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.657948][T10082]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  511.657951][T10082]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  511.657955][T10082]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  511.657958][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.657960][T10082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.657963][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.657965][T10082]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  511.657968][T10082]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  511.657971][T10082]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  511.657974][T10082]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  511.657976][T10082]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  511.657982][T10082]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  511.657986][T10082]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  511.657989][T10082]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  511.657991][T10082]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  511.657994][T10082]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  511.657999][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.658001][T10082]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  511.658004][T10082]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  511.658008][T10082]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  511.658011][T10082]  ? next_uptodate_folio (mm/filemap.c:3747)
[  511.658016][T10082]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  511.658019][T10082]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  511.658023][T10082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.658026][T10082]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  511.658030][T10082]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  511.658035][T10082]  ____sys_sendmsg (net/socket.c:2713)
[  511.658038][T10082]  ? copy_msghdr_from_user (net/socket.c:2650)
[  511.658040][T10082]  ? sock_write_iter (net/socket.c:1269)
[  511.658043][T10082]  ? move_addr_to_kernel (net/socket.c:258)
[  511.658047][T10082]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  511.658051][T10082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.658054][T10082]  ___sys_sendmsg (net/socket.c:2767)
[  511.658057][T10082]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  511.658060][T10082]  ? copy_msghdr_from_user (net/socket.c:2619)
[  511.658063][T10082]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  511.658074][T10082]  __sys_sendmsg (net/socket.c:2799)
[  511.658077][T10082]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  511.658082][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.658084][T10082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.658087][T10082]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  511.658091][T10082]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  511.658094][T10082]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  511.658097][T10082] RIP: 0033:0x7f387095a54e
[  511.658101][T10082] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  511.658103][T10082] RSP: 002b:00007ffd6bc334f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  511.658108][T10082] RAX: ffffffffffffffda RBX: 00007ffd6bc33cb8 RCX: 00007f387095a54e
[  511.658110][T10082] RDX: 0000000000000000 RSI: 00007ffd6bc335a0 RDI: 0000000000000005
[  511.658112][T10082] RBP: 00007ffd6bc33500 R08: 0000000000000000 R09: 0000000000000000
[  511.658114][T10082] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bae
[  511.658116][T10082] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6bc33c70
| [  518.755595][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  518.755598][   T12] Preemption disabled at:
| [  518.755598][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  518.755608][   T12] Tainted: [W]=WARN
[  518.755609][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  518.755611][   T12] Workqueue: netns cleanup_net
[  518.755618][   T12] Call Trace:
[  518.755619][   T12]  <TASK>
[  518.755621][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  518.755626][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  518.755628][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  518.755632][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  518.755634][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  518.755637][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.755639][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  518.755642][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  518.755645][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  518.755650][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  518.755651][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  518.755654][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  518.755656][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  518.755658][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  518.755660][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  518.755665][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  518.755667][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  518.755671][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  518.755672][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.755674][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.755676][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  518.755678][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  518.755681][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.755682][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.755683][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.755684][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.755686][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  518.755688][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  518.755691][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  518.755694][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  518.755696][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.755698][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  518.755700][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.755701][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  518.755703][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  518.755705][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  518.755706][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  518.755708][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  518.755709][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  518.755711][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  518.755712][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  518.755714][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  518.755717][   T12]  ? kthread (kernel/kthread.c:436)
[  518.755719][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  518.755722][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  518.755725][   T12]  _printk (kernel/printk/printk.c:2504)
[  518.755728][   T12]  ? snapshot_read.cold (user.c:?)
[  518.755730][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  518.755734][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  518.755736][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  518.755738][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  518.755741][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.755742][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  518.755743][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  518.755747][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  518.755748][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  518.755750][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  518.755752][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  518.755755][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  518.755759][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  518.755762][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  518.755769][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  518.755771][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  518.755773][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  518.755776][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  518.755778][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  518.755780][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  518.755783][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.755785][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.755786][   T12]  process_one_work (kernel/workqueue.c:3387)
[  518.755789][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  518.755792][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  518.755795][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  518.755798][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  518.755800][   T12]  kthread (kernel/kthread.c:436)
[  518.755802][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  518.755804][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  518.755806][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  518.755808][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  518.755810][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  518.755813][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  518.755815][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  520.156189][T10245] softirqs last disabled at (0): 0x0
| [  520.156191][T10245] Preemption disabled at:
| [  520.156192][T10245] vprintk_emit (kernel/printk/printk.c:2471)
| [  520.156202][T10245] Tainted: [W]=WARN
[  520.156203][T10245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  520.156204][T10245] Call Trace:
[  520.156206][T10245]  <TASK>
[  520.156207][T10245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  520.156213][T10245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  520.156215][T10245]  __might_resched.cold (kernel/sched/core.c:9234)
[  520.156218][T10245]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  520.156221][T10245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  520.156224][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156227][T10245]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  520.156230][T10245]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.156233][T10245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.156238][T10245]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  520.156240][T10245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.156242][T10245]  put_chars (drivers/char/virtio_console.c:1176)
[  520.156244][T10245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  520.156246][T10245]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  520.156249][T10245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  520.156254][T10245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  520.156255][T10245]  ? vsnprintf (lib/vsprintf.c:2900)
[  520.156259][T10245]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.156261][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156262][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156264][T10245]  console_emit_next_record (kernel/printk/printk.c:3183)
[  520.156267][T10245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  520.156269][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156270][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156271][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156273][T10245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.156275][T10245]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  520.156277][T10245]  console_flush_one_record (kernel/printk/printk.c:3268)
[  520.156280][T10245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  520.156283][T10245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  520.156285][T10245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.156286][T10245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  520.156288][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156289][T10245]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.156291][T10245]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  520.156292][T10245]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  520.156294][T10245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  520.156296][T10245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  520.156297][T10245]  vprintk_emit (kernel/printk/printk.c:2479)
[  520.156299][T10245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  520.156300][T10245]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.156302][T10245]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  520.156305][T10245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.156306][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156308][T10245]  _printk (kernel/printk/printk.c:2504)
[  520.156311][T10245]  ? snapshot_read.cold (user.c:?)
[  520.156313][T10245]  ? br_multicast_flood (??:?)
[  520.156317][T10245]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  520.156320][T10245]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  520.156321][T10245]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  520.156323][T10245]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  520.156325][T10245]  br_init_port (net/bridge/br_stp_if.c:39)
[  520.156327][T10245]  new_nbp (net/bridge/br_if.c:449)
[  520.156330][T10245]  br_add_if (net/bridge/br_if.c:592)
[  520.156331][T10245]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  520.156336][T10245]  do_set_master (net/core/rtnetlink.c:3071)
[  520.156338][T10245]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  520.156340][T10245]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  520.156341][T10245]  ? __dev_get_by_name (net/core/dev.c:905)
[  520.156343][T10245]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  520.156347][T10245]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  520.156350][T10245]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  520.156352][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156353][T10245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.156354][T10245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.156356][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156357][T10245]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  520.156360][T10245]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  520.156362][T10245]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  520.156365][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156366][T10245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.156367][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156369][T10245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.156370][T10245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  520.156372][T10245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.156373][T10245]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  520.156375][T10245]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  520.156379][T10245]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  520.156382][T10245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.156383][T10245]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.156385][T10245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  520.156387][T10245]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  520.156390][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156391][T10245]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.156393][T10245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  520.156395][T10245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  520.156397][T10245]  ? next_uptodate_folio (mm/filemap.c:3747)
[  520.156400][T10245]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  520.156403][T10245]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  520.156405][T10245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.156406][T10245]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  520.156410][T10245]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  520.156413][T10245]  ____sys_sendmsg (net/socket.c:2713)
[  520.156415][T10245]  ? copy_msghdr_from_user (net/socket.c:2650)
[  520.156417][T10245]  ? sock_write_iter (net/socket.c:1269)
[  520.156418][T10245]  ? move_addr_to_kernel (net/socket.c:258)
[  520.156420][T10245]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  520.156423][T10245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.156425][T10245]  ___sys_sendmsg (net/socket.c:2767)
[  520.156427][T10245]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  520.156428][T10245]  ? copy_msghdr_from_user (net/socket.c:2619)
[  520.156430][T10245]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  520.156435][T10245]  __sys_sendmsg (net/socket.c:2799)
[  520.156437][T10245]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  520.156440][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156441][T10245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.156443][T10245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  520.156445][T10245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  520.156447][T10245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  520.156450][T10245] RIP: 0033:0x7fcb26db454e
[  520.156452][T10245] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  520.156454][T10245] RSP: 002b:00007ffea73795e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  520.156458][T10245] RAX: ffffffffffffffda RBX: 00007ffea7379da8 RCX: 00007fcb26db454e
[  520.156459][T10245] RDX: 0000000000000000 RSI: 00007ffea7379690 RDI: 0000000000000005
[  520.156460][T10245] RBP: 00007ffea73795f0 R08: 0000000000000000 R09: 0000000000000000
[  520.156461][T10245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bb6
[  520.156462][T10245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea7379d60
| [  521.657079][T10314] softirqs last disabled at (0): 0x0
| [  521.657081][T10314] Preemption disabled at:
| [  521.657082][T10314] vprintk_emit (kernel/printk/printk.c:2471)
| [  521.657093][T10314] Tainted: [W]=WARN
[  521.657094][T10314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  521.657095][T10314] Call Trace:
[  521.657097][T10314]  <TASK>
[  521.657098][T10314]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  521.657104][T10314]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  521.657105][T10314]  __might_resched.cold (kernel/sched/core.c:9234)
[  521.657109][T10314]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  521.657113][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657115][T10314]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  521.657118][T10314]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  521.657122][T10314]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  521.657127][T10314]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  521.657129][T10314]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  521.657132][T10314]  put_chars (drivers/char/virtio_console.c:1176)
[  521.657133][T10314]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  521.657135][T10314]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  521.657137][T10314]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  521.657139][T10314]  ? pointer (lib/vsprintf.c:2577)
[  521.657143][T10314]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  521.657148][T10314]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  521.657150][T10314]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  521.657152][T10314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  521.657155][T10314]  console_emit_next_record (kernel/printk/printk.c:3183)
[  521.657158][T10314]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  521.657160][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657161][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657162][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657163][T10314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  521.657165][T10314]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  521.657167][T10314]  console_flush_one_record (kernel/printk/printk.c:3268)
[  521.657170][T10314]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  521.657173][T10314]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  521.657175][T10314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  521.657177][T10314]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  521.657178][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657179][T10314]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  521.657181][T10314]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  521.657183][T10314]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  521.657184][T10314]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  521.657187][T10314]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  521.657188][T10314]  vprintk_emit (kernel/printk/printk.c:2479)
[  521.657190][T10314]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  521.657191][T10314]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  521.657194][T10314]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  521.657197][T10314]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  521.657199][T10314]  _printk (kernel/printk/printk.c:2504)
[  521.657202][T10314]  ? snapshot_read.cold (user.c:?)
[  521.657204][T10314]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  521.657207][T10314]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  521.657210][T10314]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  521.657212][T10314]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  521.657215][T10314]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  521.657217][T10314]  ? netdev_notice (net/core/dev.c:13194)
[  521.657219][T10314]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  521.657221][T10314]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  521.657224][T10314]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  521.657226][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657227][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657228][T10314]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  521.657229][T10314]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  521.657231][T10314]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  521.657233][T10314]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  521.657234][T10314]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  521.657236][T10314]  ? register_netdev (net/core/dev.c:11618)
[  521.657237][T10314]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  521.657239][T10314]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  521.657242][T10314]  ? __kernel_text_address (kernel/extable.c:79)
[  521.657245][T10314]  ? write_profile (profile.c:?)
[  521.657248][T10314]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  521.657252][T10314]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  521.657254][T10314]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  521.657255][T10314]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  521.657257][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657258][T10314]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  521.657262][T10314]  ? kasan_save_stack (mm/kasan/common.c:58)
[  521.657263][T10314]  ? kasan_save_stack (mm/kasan/common.c:57)
[  521.657265][T10314]  ? kasan_save_track (mm/kasan/common.c:78)
[  521.657266][T10314]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  521.657267][T10314]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  521.657268][T10314]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  521.657269][T10314]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  521.657271][T10314]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  521.657274][T10314]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  521.657275][T10314]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  521.657277][T10314]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  521.657280][T10314]  ? ____sys_sendmsg (net/socket.c:2713)
[  521.657281][T10314]  ? ___sys_sendmsg (net/socket.c:2767)
[  521.657283][T10314]  ? __sys_sendmsg (net/socket.c:2799)
[  521.657284][T10314]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  521.657287][T10314]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  521.657290][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657291][T10314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  521.657292][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657293][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657295][T10314]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  521.657296][T10314]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  521.657298][T10314]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  521.657299][T10314]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  521.657301][T10314]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  521.657302][T10314]  ? nla_get_range_signed (lib/nlattr.c:270)
[  521.657306][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657307][T10314]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  521.657309][T10314]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  521.657311][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657313][T10314]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  521.657314][T10314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  521.657316][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657317][T10314]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  521.657320][T10314]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  521.657321][T10314]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  521.657323][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657324][T10314]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  521.657327][T10314]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  521.657329][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657331][T10314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  521.657332][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657334][T10314]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  521.657335][T10314]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  521.657337][T10314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  521.657338][T10314]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  521.657340][T10314]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  521.657343][T10314]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  521.657344][T10314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  521.657346][T10314]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  521.657348][T10314]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  521.657349][T10314]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  521.657352][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657353][T10314]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  521.657356][T10314]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  521.657358][T10314]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  521.657360][T10314]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  521.657362][T10314]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  521.657364][T10314]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  521.657366][T10314]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  521.657368][T10314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  521.657369][T10314]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  521.657373][T10314]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  521.657375][T10314]  ____sys_sendmsg (net/socket.c:2713)
[  521.657376][T10314]  ? copy_msghdr_from_user (net/socket.c:2650)
[  521.657378][T10314]  ? sock_write_iter (net/socket.c:1269)
[  521.657380][T10314]  ? move_addr_to_kernel (net/socket.c:258)
[  521.657381][T10314]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  521.657384][T10314]  ___sys_sendmsg (net/socket.c:2767)
[  521.657386][T10314]  ? copy_msghdr_from_user (net/socket.c:2619)
[  521.657391][T10314]  __sys_sendmsg (net/socket.c:2799)
[  521.657393][T10314]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  521.657396][T10314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.657398][T10314]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  521.657400][T10314]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  521.657402][T10314]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  521.657403][T10314] RIP: 0033:0x7f111aa1e54e
[  521.657405][T10314] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  521.657407][T10314] RSP: 002b:00007fffbb9afcc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  521.657411][T10314] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f111aa1e54e
[  521.657412][T10314] RDX: 0000000000000000 RSI: 00007fffbb9afd70 RDI: 0000000000000005
[  521.657413][T10314] RBP: 00007fffbb9afcd0 R08: 0000000000000000 R09: 0000000000000000
[  521.657414][T10314] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bb8
[  521.657415][T10314] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbb9b0430
| [  522.794756][T10364] softirqs last disabled at (0): 0x0
| [  522.794758][T10364] Preemption disabled at:
| [  522.794759][T10364] vprintk_emit (kernel/printk/printk.c:2471)
| [  522.794770][T10364] Tainted: [W]=WARN
[  522.794771][T10364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  522.794773][T10364] Call Trace:
[  522.794774][T10364]  <TASK>
[  522.794775][T10364]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  522.794781][T10364]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  522.794783][T10364]  __might_resched.cold (kernel/sched/core.c:9234)
[  522.794794][T10364]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  522.794797][T10364]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  522.794800][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794803][T10364]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  522.794806][T10364]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  522.794809][T10364]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  522.794815][T10364]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  522.794817][T10364]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  522.794819][T10364]  put_chars (drivers/char/virtio_console.c:1176)
[  522.794821][T10364]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  522.794823][T10364]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  522.794826][T10364]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  522.794831][T10364]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  522.794833][T10364]  ? vsnprintf (lib/vsprintf.c:2900)
[  522.794836][T10364]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  522.794838][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794839][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794841][T10364]  console_emit_next_record (kernel/printk/printk.c:3183)
[  522.794844][T10364]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  522.794846][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794847][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794848][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794849][T10364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.794852][T10364]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  522.794854][T10364]  console_flush_one_record (kernel/printk/printk.c:3268)
[  522.794857][T10364]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  522.794860][T10364]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  522.794862][T10364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.794863][T10364]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  522.794865][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794866][T10364]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.794868][T10364]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  522.794869][T10364]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  522.794871][T10364]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  522.794873][T10364]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  522.794875][T10364]  vprintk_emit (kernel/printk/printk.c:2479)
[  522.794877][T10364]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  522.794878][T10364]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  522.794880][T10364]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  522.794883][T10364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.794884][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794886][T10364]  _printk (kernel/printk/printk.c:2504)
[  522.794889][T10364]  ? snapshot_read.cold (user.c:?)
[  522.794891][T10364]  ? br_multicast_flood (??:?)
[  522.794895][T10364]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  522.794898][T10364]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  522.794899][T10364]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  522.794901][T10364]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  522.794904][T10364]  br_init_port (net/bridge/br_stp_if.c:39)
[  522.794905][T10364]  new_nbp (net/bridge/br_if.c:449)
[  522.794908][T10364]  br_add_if (net/bridge/br_if.c:592)
[  522.794910][T10364]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  522.794914][T10364]  do_set_master (net/core/rtnetlink.c:3071)
[  522.794916][T10364]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  522.794918][T10364]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  522.794920][T10364]  ? __dev_get_by_name (net/core/dev.c:905)
[  522.794921][T10364]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  522.794925][T10364]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  522.794928][T10364]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  522.794930][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794932][T10364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  522.794933][T10364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.794935][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794936][T10364]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  522.794939][T10364]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  522.794941][T10364]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  522.794943][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794944][T10364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.794946][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794947][T10364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  522.794949][T10364]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  522.794950][T10364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  522.794952][T10364]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  522.794953][T10364]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  522.794958][T10364]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  522.794961][T10364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  522.794962][T10364]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.794964][T10364]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  522.794965][T10364]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  522.794968][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.794970][T10364]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.794972][T10364]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  522.794974][T10364]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  522.794976][T10364]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  522.794979][T10364]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  522.794982][T10364]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  522.794984][T10364]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  522.794986][T10364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.794988][T10364]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  522.794992][T10364]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  522.794995][T10364]  ____sys_sendmsg (net/socket.c:2713)
[  522.794997][T10364]  ? copy_msghdr_from_user (net/socket.c:2650)
[  522.794998][T10364]  ? sock_write_iter (net/socket.c:1269)
[  522.795000][T10364]  ? move_addr_to_kernel (net/socket.c:258)
[  522.795002][T10364]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  522.795005][T10364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.795007][T10364]  ___sys_sendmsg (net/socket.c:2767)
[  522.795009][T10364]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  522.795011][T10364]  ? copy_msghdr_from_user (net/socket.c:2619)
[  522.795012][T10364]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  522.795017][T10364]  __sys_sendmsg (net/socket.c:2799)
[  522.795020][T10364]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  522.795022][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.795024][T10364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.795025][T10364]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  522.795028][T10364]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  522.795029][T10364]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  522.795031][T10364] RIP: 0033:0x7f6096bef54e
[  522.795034][T10364] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  522.795036][T10364] RSP: 002b:00007ffdfda4bde0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  522.795041][T10364] RAX: ffffffffffffffda RBX: 00007ffdfda4c5a8 RCX: 00007f6096bef54e
[  522.795044][T10364] RDX: 0000000000000000 RSI: 00007ffdfda4be90 RDI: 0000000000000005
[  522.795045][T10364] RBP: 00007ffdfda4bdf0 R08: 0000000000000000 R09: 0000000000000000
[  522.795046][T10364] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bb9
[  522.795047][T10364] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfda4c560
| [  529.692792][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  529.692794][   T12] Preemption disabled at:
| [  529.692795][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  529.692805][   T12] Tainted: [W]=WARN
[  529.692806][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  529.692807][   T12] Workqueue: netns cleanup_net
[  529.692814][   T12] Call Trace:
[  529.692815][   T12]  <TASK>
[  529.692818][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  529.692824][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  529.692825][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  529.692838][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  529.692841][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  529.692844][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.692847][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  529.692850][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  529.692853][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  529.692857][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  529.692859][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  529.692862][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  529.692864][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  529.692866][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  529.692868][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  529.692873][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  529.692875][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  529.692878][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  529.692880][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.692881][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.692883][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  529.692886][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  529.692888][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.692889][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.692890][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.692891][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.692894][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  529.692896][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  529.692898][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  529.692901][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  529.692903][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.692905][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  529.692907][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.692908][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  529.692909][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  529.692911][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  529.692912][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  529.692914][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  529.692915][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  529.692917][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  529.692919][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  529.692920][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  529.692923][   T12]  ? kthread (kernel/kthread.c:436)
[  529.692925][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  529.692928][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  529.692931][   T12]  _printk (kernel/printk/printk.c:2504)
[  529.692934][   T12]  ? snapshot_read.cold (user.c:?)
[  529.692937][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  529.692940][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  529.692942][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  529.692945][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  529.692947][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.692948][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  529.692950][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  529.692953][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  529.692955][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  529.692956][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  529.692959][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  529.692961][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  529.692966][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  529.692968][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  529.692971][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  529.692973][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  529.692975][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  529.692978][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  529.692980][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  529.692982][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.692984][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.692986][   T12]  process_one_work (kernel/workqueue.c:3387)
[  529.692989][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  529.692992][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  529.692994][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  529.692997][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  529.692999][   T12]  kthread (kernel/kthread.c:436)
[  529.693001][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  529.693003][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  529.693005][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  529.693007][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  529.693009][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  529.693012][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  529.693014][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  531.134399][T10527] softirqs last disabled at (0): 0x0
| [  531.134401][T10527] Preemption disabled at:
| [  531.134402][T10527] vprintk_emit (kernel/printk/printk.c:2471)
| [  531.134412][T10527] Tainted: [W]=WARN
[  531.134414][T10527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  531.134415][T10527] Call Trace:
[  531.134417][T10527]  <TASK>
[  531.134418][T10527]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  531.134424][T10527]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  531.134426][T10527]  __might_resched.cold (kernel/sched/core.c:9234)
[  531.134430][T10527]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  531.134432][T10527]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  531.134435][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134438][T10527]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  531.134441][T10527]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.134445][T10527]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  531.134450][T10527]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  531.134452][T10527]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  531.134454][T10527]  put_chars (drivers/char/virtio_console.c:1176)
[  531.134456][T10527]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  531.134458][T10527]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  531.134461][T10527]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  531.134466][T10527]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  531.134467][T10527]  ? vsnprintf (lib/vsprintf.c:2900)
[  531.134471][T10527]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.134472][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134474][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134476][T10527]  console_emit_next_record (kernel/printk/printk.c:3183)
[  531.134478][T10527]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  531.134481][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134482][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134483][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134484][T10527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.134487][T10527]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  531.134488][T10527]  console_flush_one_record (kernel/printk/printk.c:3268)
[  531.134491][T10527]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  531.134494][T10527]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  531.134496][T10527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.134498][T10527]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  531.134500][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134501][T10527]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  531.134502][T10527]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  531.134504][T10527]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  531.134505][T10527]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  531.134508][T10527]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  531.134509][T10527]  vprintk_emit (kernel/printk/printk.c:2479)
[  531.134511][T10527]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  531.134513][T10527]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.134515][T10527]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  531.134518][T10527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.134519][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134521][T10527]  _printk (kernel/printk/printk.c:2504)
[  531.134524][T10527]  ? snapshot_read.cold (user.c:?)
[  531.134526][T10527]  ? br_multicast_flood (??:?)
[  531.134530][T10527]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  531.134533][T10527]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  531.134534][T10527]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  531.134536][T10527]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  531.134539][T10527]  br_init_port (net/bridge/br_stp_if.c:39)
[  531.134541][T10527]  new_nbp (net/bridge/br_if.c:449)
[  531.134543][T10527]  br_add_if (net/bridge/br_if.c:592)
[  531.134545][T10527]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  531.134550][T10527]  do_set_master (net/core/rtnetlink.c:3071)
[  531.134552][T10527]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  531.134554][T10527]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  531.134555][T10527]  ? __dev_get_by_name (net/core/dev.c:905)
[  531.134557][T10527]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  531.134561][T10527]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  531.134563][T10527]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  531.134566][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134567][T10527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  531.134568][T10527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.134570][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134571][T10527]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  531.134574][T10527]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  531.134576][T10527]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  531.134578][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134580][T10527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.134581][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134583][T10527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  531.134584][T10527]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  531.134586][T10527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  531.134587][T10527]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  531.134589][T10527]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  531.134593][T10527]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  531.134596][T10527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  531.134598][T10527]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  531.134599][T10527]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  531.134601][T10527]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  531.134604][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134605][T10527]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  531.134608][T10527]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  531.134610][T10527]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  531.134612][T10527]  ? next_uptodate_folio (mm/filemap.c:3747)
[  531.134615][T10527]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  531.134618][T10527]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  531.134620][T10527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.134622][T10527]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  531.134625][T10527]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  531.134628][T10527]  ____sys_sendmsg (net/socket.c:2713)
[  531.134630][T10527]  ? copy_msghdr_from_user (net/socket.c:2650)
[  531.134632][T10527]  ? sock_write_iter (net/socket.c:1269)
[  531.134634][T10527]  ? move_addr_to_kernel (net/socket.c:258)
[  531.134636][T10527]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  531.134639][T10527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.134641][T10527]  ___sys_sendmsg (net/socket.c:2767)
[  531.134643][T10527]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  531.134645][T10527]  ? copy_msghdr_from_user (net/socket.c:2619)
[  531.134647][T10527]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  531.134651][T10527]  __sys_sendmsg (net/socket.c:2799)
[  531.134654][T10527]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  531.134657][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134658][T10527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.134659][T10527]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  531.134662][T10527]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  531.134664][T10527]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  531.134666][T10527] RIP: 0033:0x7f8ed42b754e
[  531.134669][T10527] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  531.134670][T10527] RSP: 002b:00007ffdad634680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  531.134674][T10527] RAX: ffffffffffffffda RBX: 00007ffdad634e48 RCX: 00007f8ed42b754e
[  531.134675][T10527] RDX: 0000000000000000 RSI: 00007ffdad634730 RDI: 0000000000000005
[  531.134676][T10527] RBP: 00007ffdad634690 R08: 0000000000000000 R09: 0000000000000000
[  531.134677][T10527] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bc1
[  531.134678][T10527] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdad634e00
| [  532.625971][T10596] softirqs last disabled at (0): 0x0
| [  532.625974][T10596] Preemption disabled at:
| [  532.625974][T10596] vprintk_emit (kernel/printk/printk.c:2471)
| [  532.625985][T10596] Tainted: [W]=WARN
[  532.625986][T10596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  532.625987][T10596] Call Trace:
[  532.625989][T10596]  <TASK>
[  532.625990][T10596]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  532.625996][T10596]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  532.625998][T10596]  __might_resched.cold (kernel/sched/core.c:9234)
[  532.626001][T10596]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  532.626005][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626008][T10596]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  532.626011][T10596]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.626014][T10596]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  532.626019][T10596]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  532.626021][T10596]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  532.626024][T10596]  put_chars (drivers/char/virtio_console.c:1176)
[  532.626025][T10596]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  532.626027][T10596]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  532.626029][T10596]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  532.626031][T10596]  ? pointer (lib/vsprintf.c:2577)
[  532.626035][T10596]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  532.626042][T10596]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  532.626045][T10596]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.626047][T10596]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.626050][T10596]  console_emit_next_record (kernel/printk/printk.c:3183)
[  532.626053][T10596]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  532.626055][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626056][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626058][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626059][T10596]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.626061][T10596]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  532.626063][T10596]  console_flush_one_record (kernel/printk/printk.c:3268)
[  532.626065][T10596]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  532.626071][T10596]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  532.626073][T10596]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.626075][T10596]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  532.626077][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626078][T10596]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.626080][T10596]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  532.626082][T10596]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  532.626083][T10596]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  532.626086][T10596]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  532.626088][T10596]  vprintk_emit (kernel/printk/printk.c:2479)
[  532.626090][T10596]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  532.626091][T10596]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  532.626094][T10596]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  532.626098][T10596]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  532.626101][T10596]  _printk (kernel/printk/printk.c:2504)
[  532.626104][T10596]  ? snapshot_read.cold (user.c:?)
[  532.626107][T10596]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  532.626109][T10596]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  532.626112][T10596]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  532.626115][T10596]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  532.626118][T10596]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  532.626121][T10596]  ? netdev_notice (net/core/dev.c:13194)
[  532.626123][T10596]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  532.626125][T10596]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  532.626128][T10596]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.626130][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626131][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626132][T10596]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  532.626133][T10596]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  532.626135][T10596]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  532.626136][T10596]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  532.626138][T10596]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  532.626140][T10596]  ? register_netdev (net/core/dev.c:11618)
[  532.626141][T10596]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.626143][T10596]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  532.626146][T10596]  ? __kernel_text_address (kernel/extable.c:79)
[  532.626149][T10596]  ? write_profile (profile.c:?)
[  532.626152][T10596]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  532.626156][T10596]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  532.626157][T10596]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  532.626159][T10596]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  532.626161][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626162][T10596]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  532.626165][T10596]  ? kasan_save_stack (mm/kasan/common.c:58)
[  532.626167][T10596]  ? kasan_save_stack (mm/kasan/common.c:57)
[  532.626168][T10596]  ? kasan_save_track (mm/kasan/common.c:78)
[  532.626169][T10596]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  532.626171][T10596]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  532.626172][T10596]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  532.626173][T10596]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  532.626174][T10596]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  532.626177][T10596]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  532.626179][T10596]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  532.626181][T10596]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  532.626183][T10596]  ? ____sys_sendmsg (net/socket.c:2713)
[  532.626185][T10596]  ? ___sys_sendmsg (net/socket.c:2767)
[  532.626186][T10596]  ? __sys_sendmsg (net/socket.c:2799)
[  532.626188][T10596]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  532.626191][T10596]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  532.626194][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626195][T10596]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.626197][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626198][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626199][T10596]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  532.626201][T10596]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  532.626202][T10596]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  532.626204][T10596]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  532.626205][T10596]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  532.626207][T10596]  ? nla_get_range_signed (lib/nlattr.c:270)
[  532.626210][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626212][T10596]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  532.626214][T10596]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  532.626216][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626217][T10596]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  532.626219][T10596]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.626220][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626222][T10596]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  532.626224][T10596]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  532.626226][T10596]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  532.626227][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626228][T10596]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  532.626232][T10596]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  532.626234][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626235][T10596]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.626237][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626238][T10596]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  532.626240][T10596]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  532.626241][T10596]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  532.626243][T10596]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  532.626244][T10596]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  532.626247][T10596]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  532.626249][T10596]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  532.626250][T10596]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.626252][T10596]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  532.626253][T10596]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  532.626256][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626258][T10596]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.626260][T10596]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  532.626262][T10596]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  532.626264][T10596]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  532.626266][T10596]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  532.626268][T10596]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  532.626270][T10596]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  532.626272][T10596]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.626273][T10596]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  532.626277][T10596]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  532.626279][T10596]  ____sys_sendmsg (net/socket.c:2713)
[  532.626281][T10596]  ? copy_msghdr_from_user (net/socket.c:2650)
[  532.626282][T10596]  ? sock_write_iter (net/socket.c:1269)
[  532.626284][T10596]  ? move_addr_to_kernel (net/socket.c:258)
[  532.626286][T10596]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  532.626288][T10596]  ___sys_sendmsg (net/socket.c:2767)
[  532.626290][T10596]  ? copy_msghdr_from_user (net/socket.c:2619)
[  532.626295][T10596]  __sys_sendmsg (net/socket.c:2799)
[  532.626297][T10596]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  532.626300][T10596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.626302][T10596]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  532.626304][T10596]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  532.626306][T10596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  532.626307][T10596] RIP: 0033:0x7fe3f7ff154e
[  532.626309][T10596] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  532.626311][T10596] RSP: 002b:00007ffcdbb54d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  532.626315][T10596] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe3f7ff154e
[  532.626316][T10596] RDX: 0000000000000000 RSI: 00007ffcdbb54e40 RDI: 0000000000000005
[  532.626317][T10596] RBP: 00007ffcdbb54da0 R08: 0000000000000000 R09: 0000000000000000
[  532.626318][T10596] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bc3
[  532.626319][T10596] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdbb55500
| [  533.883727][T10653] softirqs last disabled at (0): 0x0
| [  533.883729][T10653] Preemption disabled at:
| [  533.883730][T10653] vprintk_emit (kernel/printk/printk.c:2471)
| [  533.883740][T10653] Tainted: [W]=WARN
[  533.883741][T10653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  533.883743][T10653] Call Trace:
[  533.883744][T10653]  <TASK>
[  533.883746][T10653]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  533.883752][T10653]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  533.883753][T10653]  __might_resched.cold (kernel/sched/core.c:9234)
[  533.883757][T10653]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  533.883759][T10653]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  533.883763][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883765][T10653]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  533.883768][T10653]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  533.883772][T10653]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  533.883777][T10653]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  533.883778][T10653]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  533.883781][T10653]  put_chars (drivers/char/virtio_console.c:1176)
[  533.883783][T10653]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  533.883785][T10653]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  533.883788][T10653]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  533.883792][T10653]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  533.883794][T10653]  ? vsnprintf (lib/vsprintf.c:2900)
[  533.883798][T10653]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  533.883800][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883801][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883803][T10653]  console_emit_next_record (kernel/printk/printk.c:3183)
[  533.883805][T10653]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  533.883808][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883809][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883810][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883811][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.883814][T10653]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  533.883815][T10653]  console_flush_one_record (kernel/printk/printk.c:3268)
[  533.883818][T10653]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  533.883821][T10653]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  533.883823][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.883825][T10653]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  533.883826][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883827][T10653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  533.883829][T10653]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  533.883831][T10653]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  533.883832][T10653]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  533.883835][T10653]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  533.883836][T10653]  vprintk_emit (kernel/printk/printk.c:2479)
[  533.883838][T10653]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  533.883839][T10653]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  533.883841][T10653]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  533.883844][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.883845][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883847][T10653]  _printk (kernel/printk/printk.c:2504)
[  533.883850][T10653]  ? snapshot_read.cold (user.c:?)
[  533.883859][T10653]  ? br_multicast_flood (??:?)
[  533.883863][T10653]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  533.883866][T10653]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  533.883867][T10653]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  533.883869][T10653]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  533.883872][T10653]  br_init_port (net/bridge/br_stp_if.c:39)
[  533.883874][T10653]  new_nbp (net/bridge/br_if.c:449)
[  533.883877][T10653]  br_add_if (net/bridge/br_if.c:592)
[  533.883879][T10653]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  533.883883][T10653]  do_set_master (net/core/rtnetlink.c:3071)
[  533.883885][T10653]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  533.883887][T10653]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  533.883889][T10653]  ? __dev_get_by_name (net/core/dev.c:905)
[  533.883891][T10653]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  533.883895][T10653]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  533.883897][T10653]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  533.883899][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883901][T10653]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  533.883902][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.883904][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883905][T10653]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  533.883908][T10653]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  533.883910][T10653]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  533.883913][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883914][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.883915][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883917][T10653]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  533.883918][T10653]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  533.883920][T10653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  533.883922][T10653]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  533.883923][T10653]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  533.883927][T10653]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  533.883930][T10653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  533.883932][T10653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  533.883934][T10653]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  533.883935][T10653]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  533.883938][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883939][T10653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  533.883942][T10653]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  533.883944][T10653]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  533.883946][T10653]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  533.883949][T10653]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  533.883952][T10653]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  533.883954][T10653]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  533.883957][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.883958][T10653]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  533.883962][T10653]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  533.883965][T10653]  ____sys_sendmsg (net/socket.c:2713)
[  533.883967][T10653]  ? copy_msghdr_from_user (net/socket.c:2650)
[  533.883969][T10653]  ? sock_write_iter (net/socket.c:1269)
[  533.883970][T10653]  ? move_addr_to_kernel (net/socket.c:258)
[  533.883972][T10653]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  533.883975][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.883977][T10653]  ___sys_sendmsg (net/socket.c:2767)
[  533.883979][T10653]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  533.883981][T10653]  ? copy_msghdr_from_user (net/socket.c:2619)
[  533.883982][T10653]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  533.883987][T10653]  __sys_sendmsg (net/socket.c:2799)
[  533.883990][T10653]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  533.883992][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883994][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.883995][T10653]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  533.883997][T10653]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  533.884000][T10653]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  533.884002][T10653] RIP: 0033:0x7fc7d46fe54e
[  533.884004][T10653] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  533.884006][T10653] RSP: 002b:00007ffd2ae25330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  533.884010][T10653] RAX: ffffffffffffffda RBX: 00007ffd2ae25af8 RCX: 00007fc7d46fe54e
[  533.884011][T10653] RDX: 0000000000000000 RSI: 00007ffd2ae253e0 RDI: 0000000000000005
[  533.884012][T10653] RBP: 00007ffd2ae25340 R08: 0000000000000000 R09: 0000000000000000
[  533.884013][T10653] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bc4
[  533.884014][T10653] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2ae25ab0
| [  540.824934][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  540.824937][   T12] Preemption disabled at:
| [  540.824938][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  540.824947][   T12] Tainted: [W]=WARN
[  540.824948][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  540.824950][   T12] Workqueue: netns cleanup_net
[  540.824957][   T12] Call Trace:
[  540.824958][   T12]  <TASK>
[  540.824960][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  540.824966][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  540.824967][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  540.824971][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  540.824973][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  540.824976][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.824979][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  540.824982][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  540.824985][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  540.824989][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  540.824991][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  540.824994][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  540.824996][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  540.824998][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  540.825000][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  540.825005][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  540.825007][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  540.825010][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  540.825012][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.825013][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.825015][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  540.825018][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  540.825020][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.825021][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.825022][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.825024][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.825026][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  540.825028][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  540.825031][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  540.825033][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  540.825036][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.825039][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  540.825042][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.825044][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  540.825046][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  540.825049][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  540.825051][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  540.825053][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  540.825054][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  540.825056][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  540.825057][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  540.825059][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  540.825062][   T12]  ? kthread (kernel/kthread.c:436)
[  540.825065][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  540.825072][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  540.825075][   T12]  _printk (kernel/printk/printk.c:2504)
[  540.825078][   T12]  ? snapshot_read.cold (user.c:?)
[  540.825080][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  540.825084][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  540.825086][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  540.825088][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  540.825091][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.825092][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  540.825094][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  540.825097][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  540.825099][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  540.825100][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  540.825103][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  540.825105][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  540.825110][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  540.825112][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  540.825115][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  540.825117][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  540.825119][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  540.825122][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  540.825124][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  540.825127][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.825128][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.825130][   T12]  process_one_work (kernel/workqueue.c:3387)
[  540.825133][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  540.825136][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  540.825138][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  540.825142][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  540.825144][   T12]  kthread (kernel/kthread.c:436)
[  540.825145][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  540.825147][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  540.825149][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  540.825151][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  540.825153][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  540.825156][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  540.825158][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  542.266192][T10809] softirqs last disabled at (0): 0x0
| [  542.266194][T10809] Preemption disabled at:
| [  542.266194][T10809] vprintk_emit (kernel/printk/printk.c:2471)
| [  542.266205][T10809] Tainted: [W]=WARN
[  542.266206][T10809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  542.266208][T10809] Call Trace:
[  542.266209][T10809]  <TASK>
[  542.266210][T10809]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  542.266217][T10809]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  542.266218][T10809]  __might_resched.cold (kernel/sched/core.c:9234)
[  542.266222][T10809]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  542.266224][T10809]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  542.266228][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266230][T10809]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  542.266233][T10809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  542.266236][T10809]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.266241][T10809]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  542.266243][T10809]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.266246][T10809]  put_chars (drivers/char/virtio_console.c:1176)
[  542.266248][T10809]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  542.266250][T10809]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  542.266253][T10809]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  542.266257][T10809]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  542.266259][T10809]  ? vsnprintf (lib/vsprintf.c:2900)
[  542.266263][T10809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  542.266265][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266266][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266268][T10809]  console_emit_next_record (kernel/printk/printk.c:3183)
[  542.266270][T10809]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  542.266273][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266274][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266275][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266276][T10809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.266279][T10809]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  542.266281][T10809]  console_flush_one_record (kernel/printk/printk.c:3268)
[  542.266283][T10809]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  542.266286][T10809]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  542.266288][T10809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.266290][T10809]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  542.266291][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266292][T10809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.266294][T10809]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  542.266296][T10809]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  542.266297][T10809]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  542.266300][T10809]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  542.266301][T10809]  vprintk_emit (kernel/printk/printk.c:2479)
[  542.266303][T10809]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  542.266304][T10809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  542.266306][T10809]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  542.266309][T10809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.266311][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266312][T10809]  _printk (kernel/printk/printk.c:2504)
[  542.266315][T10809]  ? snapshot_read.cold (user.c:?)
[  542.266317][T10809]  ? br_multicast_flood (??:?)
[  542.266321][T10809]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  542.266324][T10809]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  542.266325][T10809]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  542.266327][T10809]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  542.266329][T10809]  br_init_port (net/bridge/br_stp_if.c:39)
[  542.266331][T10809]  new_nbp (net/bridge/br_if.c:449)
[  542.266334][T10809]  br_add_if (net/bridge/br_if.c:592)
[  542.266336][T10809]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  542.266340][T10809]  do_set_master (net/core/rtnetlink.c:3071)
[  542.266342][T10809]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  542.266344][T10809]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  542.266345][T10809]  ? __dev_get_by_name (net/core/dev.c:905)
[  542.266347][T10809]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  542.266351][T10809]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  542.266353][T10809]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  542.266355][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266357][T10809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  542.266358][T10809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.266360][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266361][T10809]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  542.266364][T10809]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  542.266366][T10809]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  542.266368][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266370][T10809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.266371][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266373][T10809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  542.266374][T10809]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  542.266376][T10809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  542.266378][T10809]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  542.266379][T10809]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  542.266383][T10809]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  542.266386][T10809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  542.266388][T10809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.266390][T10809]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  542.266391][T10809]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  542.266394][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266395][T10809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.266398][T10809]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  542.266400][T10809]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  542.266402][T10809]  ? next_uptodate_folio (mm/filemap.c:3747)
[  542.266405][T10809]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  542.266407][T10809]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  542.266409][T10809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.266411][T10809]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  542.266415][T10809]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  542.266417][T10809]  ____sys_sendmsg (net/socket.c:2713)
[  542.266419][T10809]  ? copy_msghdr_from_user (net/socket.c:2650)
[  542.266421][T10809]  ? sock_write_iter (net/socket.c:1269)
[  542.266423][T10809]  ? move_addr_to_kernel (net/socket.c:258)
[  542.266425][T10809]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  542.266427][T10809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.266429][T10809]  ___sys_sendmsg (net/socket.c:2767)
[  542.266431][T10809]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  542.266433][T10809]  ? copy_msghdr_from_user (net/socket.c:2619)
[  542.266435][T10809]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  542.266440][T10809]  __sys_sendmsg (net/socket.c:2799)
[  542.266442][T10809]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  542.266445][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266446][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.266447][T10809]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  542.266450][T10809]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  542.266452][T10809]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  542.266454][T10809] RIP: 0033:0x7fe58d5aa54e
[  542.266456][T10809] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  542.266458][T10809] RSP: 002b:00007ffd8ac1abc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  542.266462][T10809] RAX: ffffffffffffffda RBX: 00007ffd8ac1b388 RCX: 00007fe58d5aa54e
[  542.266464][T10809] RDX: 0000000000000000 RSI: 00007ffd8ac1ac70 RDI: 0000000000000005
[  542.266465][T10809] RBP: 00007ffd8ac1abd0 R08: 0000000000000000 R09: 0000000000000000
[  542.266465][T10809] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bcc
[  542.266466][T10809] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8ac1b340
| [  543.744894][T10877] softirqs last disabled at (0): 0x0
| [  543.744896][T10877] Preemption disabled at:
| [  543.744897][T10877] vprintk_emit (kernel/printk/printk.c:2471)
| [  543.744908][T10877] Tainted: [W]=WARN
[  543.744909][T10877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  543.744911][T10877] Call Trace:
[  543.744919][T10877]  <TASK>
[  543.744920][T10877]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  543.744926][T10877]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  543.744927][T10877]  __might_resched.cold (kernel/sched/core.c:9234)
[  543.744931][T10877]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  543.744935][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.744938][T10877]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  543.744941][T10877]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  543.744944][T10877]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  543.744949][T10877]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  543.744951][T10877]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  543.744954][T10877]  put_chars (drivers/char/virtio_console.c:1176)
[  543.744956][T10877]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  543.744957][T10877]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  543.744959][T10877]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  543.744962][T10877]  ? pointer (lib/vsprintf.c:2577)
[  543.744965][T10877]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  543.744971][T10877]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  543.744973][T10877]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  543.744975][T10877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.744978][T10877]  console_emit_next_record (kernel/printk/printk.c:3183)
[  543.744980][T10877]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  543.744983][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.744984][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.744985][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.744986][T10877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.744988][T10877]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  543.744990][T10877]  console_flush_one_record (kernel/printk/printk.c:3268)
[  543.744993][T10877]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  543.744996][T10877]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  543.744998][T10877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.745000][T10877]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  543.745002][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745003][T10877]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.745004][T10877]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  543.745006][T10877]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  543.745008][T10877]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  543.745010][T10877]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  543.745011][T10877]  vprintk_emit (kernel/printk/printk.c:2479)
[  543.745013][T10877]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  543.745014][T10877]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  543.745017][T10877]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  543.745020][T10877]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  543.745023][T10877]  _printk (kernel/printk/printk.c:2504)
[  543.745026][T10877]  ? snapshot_read.cold (user.c:?)
[  543.745028][T10877]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  543.745030][T10877]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  543.745034][T10877]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  543.745036][T10877]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  543.745040][T10877]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  543.745044][T10877]  ? netdev_notice (net/core/dev.c:13194)
[  543.745047][T10877]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  543.745049][T10877]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  543.745051][T10877]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  543.745053][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745054][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745056][T10877]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  543.745057][T10877]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  543.745059][T10877]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  543.745061][T10877]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  543.745062][T10877]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  543.745064][T10877]  ? register_netdev (net/core/dev.c:11618)
[  543.745066][T10877]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.745071][T10877]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  543.745074][T10877]  ? __kernel_text_address (kernel/extable.c:79)
[  543.745077][T10877]  ? write_profile (profile.c:?)
[  543.745080][T10877]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  543.745084][T10877]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  543.745086][T10877]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  543.745088][T10877]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  543.745090][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745091][T10877]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  543.745094][T10877]  ? kasan_save_stack (mm/kasan/common.c:58)
[  543.745097][T10877]  ? kasan_save_stack (mm/kasan/common.c:57)
[  543.745098][T10877]  ? kasan_save_track (mm/kasan/common.c:78)
[  543.745099][T10877]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  543.745101][T10877]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  543.745102][T10877]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  543.745103][T10877]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  543.745105][T10877]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  543.745108][T10877]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  543.745110][T10877]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  543.745111][T10877]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  543.745114][T10877]  ? ____sys_sendmsg (net/socket.c:2713)
[  543.745116][T10877]  ? ___sys_sendmsg (net/socket.c:2767)
[  543.745117][T10877]  ? __sys_sendmsg (net/socket.c:2799)
[  543.745119][T10877]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  543.745122][T10877]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  543.745125][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745126][T10877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.745128][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745129][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745130][T10877]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  543.745132][T10877]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  543.745133][T10877]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  543.745135][T10877]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  543.745137][T10877]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  543.745138][T10877]  ? nla_get_range_signed (lib/nlattr.c:270)
[  543.745142][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745143][T10877]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  543.745145][T10877]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  543.745148][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745149][T10877]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  543.745151][T10877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.745152][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745154][T10877]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  543.745157][T10877]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  543.745158][T10877]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  543.745160][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745161][T10877]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  543.745165][T10877]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  543.745168][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745169][T10877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.745171][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745172][T10877]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  543.745174][T10877]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  543.745175][T10877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  543.745177][T10877]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  543.745179][T10877]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  543.745182][T10877]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  543.745184][T10877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  543.745185][T10877]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.745187][T10877]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  543.745189][T10877]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  543.745192][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745193][T10877]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.745195][T10877]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  543.745198][T10877]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  543.745200][T10877]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  543.745202][T10877]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  543.745204][T10877]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  543.745206][T10877]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  543.745208][T10877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.745209][T10877]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  543.745213][T10877]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  543.745215][T10877]  ____sys_sendmsg (net/socket.c:2713)
[  543.745217][T10877]  ? copy_msghdr_from_user (net/socket.c:2650)
[  543.745219][T10877]  ? sock_write_iter (net/socket.c:1269)
[  543.745220][T10877]  ? move_addr_to_kernel (net/socket.c:258)
[  543.745222][T10877]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  543.745225][T10877]  ___sys_sendmsg (net/socket.c:2767)
[  543.745227][T10877]  ? copy_msghdr_from_user (net/socket.c:2619)
[  543.745232][T10877]  __sys_sendmsg (net/socket.c:2799)
[  543.745235][T10877]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  543.745238][T10877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.745239][T10877]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  543.745241][T10877]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  543.745243][T10877]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  543.745245][T10877] RIP: 0033:0x7f5c6580a54e
[  543.745247][T10877] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  543.745249][T10877] RSP: 002b:00007ffcb403f8e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  543.745252][T10877] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5c6580a54e
[  543.745254][T10877] RDX: 0000000000000000 RSI: 00007ffcb403f990 RDI: 0000000000000005
[  543.745255][T10877] RBP: 00007ffcb403f8f0 R08: 0000000000000000 R09: 0000000000000000
[  543.745256][T10877] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bce
[  543.745257][T10877] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb4040050
| [  544.996734][T10935] softirqs last disabled at (0): 0x0
| [  544.996735][T10935] Preemption disabled at:
| [  544.996736][T10935] vprintk_emit (kernel/printk/printk.c:2471)
| [  544.996747][T10935] Tainted: [W]=WARN
[  544.996748][T10935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  544.996750][T10935] Call Trace:
[  544.996751][T10935]  <TASK>
[  544.996753][T10935]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  544.996759][T10935]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  544.996760][T10935]  __might_resched.cold (kernel/sched/core.c:9234)
[  544.996764][T10935]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  544.996766][T10935]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  544.996769][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996772][T10935]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  544.996775][T10935]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  544.996779][T10935]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  544.996784][T10935]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  544.996786][T10935]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  544.996788][T10935]  put_chars (drivers/char/virtio_console.c:1176)
[  544.996790][T10935]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  544.996792][T10935]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  544.996795][T10935]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  544.996800][T10935]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  544.996802][T10935]  ? vsnprintf (lib/vsprintf.c:2900)
[  544.996805][T10935]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  544.996807][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996808][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996810][T10935]  console_emit_next_record (kernel/printk/printk.c:3183)
[  544.996813][T10935]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  544.996815][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996816][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996817][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996818][T10935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.996821][T10935]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  544.996823][T10935]  console_flush_one_record (kernel/printk/printk.c:3268)
[  544.996825][T10935]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  544.996828][T10935]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  544.996830][T10935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.996832][T10935]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  544.996834][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996835][T10935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  544.996837][T10935]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  544.996838][T10935]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  544.996840][T10935]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  544.996842][T10935]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  544.996843][T10935]  vprintk_emit (kernel/printk/printk.c:2479)
[  544.996845][T10935]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  544.996846][T10935]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  544.996848][T10935]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  544.996851][T10935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.996853][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996854][T10935]  _printk (kernel/printk/printk.c:2504)
[  544.996858][T10935]  ? snapshot_read.cold (user.c:?)
[  544.996860][T10935]  ? br_multicast_flood (??:?)
[  544.996863][T10935]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  544.996866][T10935]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  544.996867][T10935]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  544.996869][T10935]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  544.996872][T10935]  br_init_port (net/bridge/br_stp_if.c:39)
[  544.996874][T10935]  new_nbp (net/bridge/br_if.c:449)
[  544.996876][T10935]  br_add_if (net/bridge/br_if.c:592)
[  544.996878][T10935]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  544.996883][T10935]  do_set_master (net/core/rtnetlink.c:3071)
[  544.996885][T10935]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  544.996887][T10935]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  544.996888][T10935]  ? __dev_get_by_name (net/core/dev.c:905)
[  544.996890][T10935]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  544.996894][T10935]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  544.996897][T10935]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  544.996899][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996900][T10935]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  544.996902][T10935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.996903][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996907][T10935]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  544.996910][T10935]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  544.996912][T10935]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  544.996914][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996916][T10935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.996917][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996924][T10935]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  544.996926][T10935]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  544.996928][T10935]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  544.996930][T10935]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  544.996931][T10935]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  544.996935][T10935]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  544.996939][T10935]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  544.996940][T10935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  544.996942][T10935]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  544.996944][T10935]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  544.996947][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.996948][T10935]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  544.996950][T10935]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  544.996953][T10935]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  544.996955][T10935]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  544.996958][T10935]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  544.996961][T10935]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  544.996963][T10935]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  544.996965][T10935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.996967][T10935]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  544.996971][T10935]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  544.996974][T10935]  ____sys_sendmsg (net/socket.c:2713)
[  544.996976][T10935]  ? copy_msghdr_from_user (net/socket.c:2650)
[  544.996978][T10935]  ? sock_write_iter (net/socket.c:1269)
[  544.996979][T10935]  ? move_addr_to_kernel (net/socket.c:258)
[  544.996982][T10935]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  544.996984][T10935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.996986][T10935]  ___sys_sendmsg (net/socket.c:2767)
[  544.996988][T10935]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  544.996990][T10935]  ? copy_msghdr_from_user (net/socket.c:2619)
[  544.996992][T10935]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  544.996997][T10935]  __sys_sendmsg (net/socket.c:2799)
[  544.996999][T10935]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  544.997002][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.997003][T10935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.997005][T10935]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  544.997007][T10935]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  544.997010][T10935]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  544.997012][T10935] RIP: 0033:0x7f2f0face54e
[  544.997014][T10935] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  544.997016][T10935] RSP: 002b:00007ffebb965f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  544.997020][T10935] RAX: ffffffffffffffda RBX: 00007ffebb966728 RCX: 00007f2f0face54e
[  544.997021][T10935] RDX: 0000000000000000 RSI: 00007ffebb966010 RDI: 0000000000000005
[  544.997023][T10935] RBP: 00007ffebb965f70 R08: 0000000000000000 R09: 0000000000000000
[  544.997023][T10935] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bcf
[  544.997025][T10935] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebb9666e0
| [  551.964512][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  551.964516][   T12] Preemption disabled at:
| [  551.964517][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  551.964533][   T12] Tainted: [W]=WARN
[  551.964534][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  551.964537][   T12] Workqueue: netns cleanup_net
[  551.964547][   T12] Call Trace:
[  551.964552][   T12]  <TASK>
[  551.964555][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  551.964563][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  551.964566][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  551.964570][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  551.964573][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  551.964580][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.964586][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  551.964594][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  551.964599][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  551.964609][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  551.964612][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  551.964617][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  551.964619][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  551.964623][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  551.964626][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  551.964633][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  551.964636][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  551.964644][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  551.964648][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.964653][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.964657][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  551.964665][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  551.964670][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.964672][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.964674][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.964676][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.964679][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  551.964682][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  551.964686][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  551.964691][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  551.964697][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.964701][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  551.964708][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.964710][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  551.964716][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  551.964720][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  551.964722][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  551.964725][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  551.964727][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  551.964731][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  551.964733][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  551.964736][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  551.964742][   T12]  ? kthread (kernel/kthread.c:436)
[  551.964747][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  551.964753][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  551.964759][   T12]  _printk (kernel/printk/printk.c:2504)
[  551.964768][   T12]  ? snapshot_read.cold (user.c:?)
[  551.964773][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  551.964777][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  551.964780][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  551.964784][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  551.964787][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.964794][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  551.964797][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  551.964805][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  551.964808][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  551.964814][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  551.964820][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  551.964824][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  551.964829][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  551.964833][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  551.964836][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  551.964840][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  551.964843][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  551.964850][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  551.964855][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  551.964862][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.964866][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.964872][   T12]  process_one_work (kernel/workqueue.c:3387)
[  551.964878][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  551.964883][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  551.964887][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  551.964891][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  551.964894][   T12]  kthread (kernel/kthread.c:436)
[  551.964900][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  551.964905][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  551.964911][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  551.964916][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  551.964923][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  551.964928][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  551.964931][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  553.366897][T11097] softirqs last disabled at (0): 0x0
| [  553.366899][T11097] Preemption disabled at:
| [  553.366900][T11097] vprintk_emit (kernel/printk/printk.c:2471)
| [  553.366911][T11097] Tainted: [W]=WARN
[  553.366912][T11097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  553.366914][T11097] Call Trace:
[  553.366916][T11097]  <TASK>
[  553.366917][T11097]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  553.366923][T11097]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  553.366924][T11097]  __might_resched.cold (kernel/sched/core.c:9234)
[  553.366928][T11097]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  553.366931][T11097]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  553.366934][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.366937][T11097]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  553.366940][T11097]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  553.366943][T11097]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  553.366948][T11097]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  553.366950][T11097]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  553.366953][T11097]  put_chars (drivers/char/virtio_console.c:1176)
[  553.366955][T11097]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  553.366957][T11097]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  553.366960][T11097]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  553.366965][T11097]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  553.366966][T11097]  ? vsnprintf (lib/vsprintf.c:2900)
[  553.366977][T11097]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  553.366979][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.366980][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.366982][T11097]  console_emit_next_record (kernel/printk/printk.c:3183)
[  553.366985][T11097]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  553.366987][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.366989][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.366990][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.366991][T11097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.366994][T11097]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  553.366996][T11097]  console_flush_one_record (kernel/printk/printk.c:3268)
[  553.366998][T11097]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  553.367001][T11097]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  553.367003][T11097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.367005][T11097]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  553.367007][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.367008][T11097]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.367010][T11097]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  553.367011][T11097]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  553.367013][T11097]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  553.367015][T11097]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  553.367016][T11097]  vprintk_emit (kernel/printk/printk.c:2479)
[  553.367018][T11097]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  553.367019][T11097]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  553.367021][T11097]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  553.367024][T11097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.367026][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.367028][T11097]  _printk (kernel/printk/printk.c:2504)
[  553.367031][T11097]  ? snapshot_read.cold (user.c:?)
[  553.367033][T11097]  ? br_multicast_flood (??:?)
[  553.367037][T11097]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  553.367042][T11097]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  553.367044][T11097]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  553.367047][T11097]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  553.367050][T11097]  br_init_port (net/bridge/br_stp_if.c:39)
[  553.367052][T11097]  new_nbp (net/bridge/br_if.c:449)
[  553.367054][T11097]  br_add_if (net/bridge/br_if.c:592)
[  553.367056][T11097]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  553.367061][T11097]  do_set_master (net/core/rtnetlink.c:3071)
[  553.367063][T11097]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  553.367065][T11097]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  553.367066][T11097]  ? __dev_get_by_name (net/core/dev.c:905)
[  553.367070][T11097]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  553.367074][T11097]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  553.367077][T11097]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  553.367079][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.367080][T11097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  553.367082][T11097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.367084][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.367085][T11097]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  553.367088][T11097]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  553.367090][T11097]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  553.367093][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.367094][T11097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.367095][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.367097][T11097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  553.367098][T11097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  553.367100][T11097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  553.367102][T11097]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  553.367103][T11097]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  553.367107][T11097]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  553.367111][T11097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  553.367112][T11097]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.367114][T11097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  553.367116][T11097]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  553.367119][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.367120][T11097]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.367123][T11097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  553.367125][T11097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  553.367127][T11097]  ? next_uptodate_folio (mm/filemap.c:3747)
[  553.367130][T11097]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  553.367133][T11097]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  553.367135][T11097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.367137][T11097]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  553.367141][T11097]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  553.367144][T11097]  ____sys_sendmsg (net/socket.c:2713)
[  553.367146][T11097]  ? copy_msghdr_from_user (net/socket.c:2650)
[  553.367148][T11097]  ? sock_write_iter (net/socket.c:1269)
[  553.367149][T11097]  ? move_addr_to_kernel (net/socket.c:258)
[  553.367152][T11097]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  553.367154][T11097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.367156][T11097]  ___sys_sendmsg (net/socket.c:2767)
[  553.367158][T11097]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  553.367160][T11097]  ? copy_msghdr_from_user (net/socket.c:2619)
[  553.367162][T11097]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  553.367167][T11097]  __sys_sendmsg (net/socket.c:2799)
[  553.367169][T11097]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  553.367172][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.367173][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.367175][T11097]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  553.367178][T11097]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  553.367180][T11097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  553.367182][T11097] RIP: 0033:0x7f0d0b6d254e
[  553.367184][T11097] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  553.367186][T11097] RSP: 002b:00007fff55ab2140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  553.367190][T11097] RAX: ffffffffffffffda RBX: 00007fff55ab2908 RCX: 00007f0d0b6d254e
[  553.367192][T11097] RDX: 0000000000000000 RSI: 00007fff55ab21f0 RDI: 0000000000000005
[  553.367193][T11097] RBP: 00007fff55ab2150 R08: 0000000000000000 R09: 0000000000000000
[  553.367194][T11097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bd7
[  553.367195][T11097] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff55ab28c0
| [  554.826245][T11166] softirqs last disabled at (0): 0x0
| [  554.826247][T11166] Preemption disabled at:
| [  554.826248][T11166] vprintk_emit (kernel/printk/printk.c:2471)
| [  554.826258][T11166] Tainted: [W]=WARN
[  554.826259][T11166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  554.826261][T11166] Call Trace:
[  554.826262][T11166]  <TASK>
[  554.826264][T11166]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  554.826269][T11166]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  554.826271][T11166]  __might_resched.cold (kernel/sched/core.c:9234)
[  554.826275][T11166]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  554.826278][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826281][T11166]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  554.826284][T11166]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  554.826288][T11166]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.826293][T11166]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  554.826295][T11166]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.826298][T11166]  put_chars (drivers/char/virtio_console.c:1176)
[  554.826299][T11166]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  554.826301][T11166]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  554.826303][T11166]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  554.826306][T11166]  ? pointer (lib/vsprintf.c:2577)
[  554.826310][T11166]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  554.826315][T11166]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  554.826317][T11166]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  554.826319][T11166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.826321][T11166]  console_emit_next_record (kernel/printk/printk.c:3183)
[  554.826324][T11166]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  554.826327][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826328][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826329][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826330][T11166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.826332][T11166]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  554.826334][T11166]  console_flush_one_record (kernel/printk/printk.c:3268)
[  554.826337][T11166]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  554.826340][T11166]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  554.826342][T11166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.826344][T11166]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  554.826345][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826347][T11166]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.826348][T11166]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  554.826350][T11166]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  554.826352][T11166]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  554.826354][T11166]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  554.826355][T11166]  vprintk_emit (kernel/printk/printk.c:2479)
[  554.826357][T11166]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  554.826359][T11166]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  554.826361][T11166]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  554.826364][T11166]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  554.826367][T11166]  _printk (kernel/printk/printk.c:2504)
[  554.826370][T11166]  ? snapshot_read.cold (user.c:?)
[  554.826373][T11166]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  554.826375][T11166]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  554.826378][T11166]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  554.826380][T11166]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  554.826384][T11166]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  554.826386][T11166]  ? netdev_notice (net/core/dev.c:13194)
[  554.826388][T11166]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  554.826390][T11166]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  554.826393][T11166]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  554.826395][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826396][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826397][T11166]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  554.826399][T11166]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  554.826400][T11166]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  554.826402][T11166]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  554.826403][T11166]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  554.826405][T11166]  ? register_netdev (net/core/dev.c:11618)
[  554.826407][T11166]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.826409][T11166]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  554.826411][T11166]  ? __kernel_text_address (kernel/extable.c:79)
[  554.826414][T11166]  ? write_profile (profile.c:?)
[  554.826417][T11166]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  554.826421][T11166]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  554.826423][T11166]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  554.826425][T11166]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  554.826426][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826427][T11166]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  554.826431][T11166]  ? kasan_save_stack (mm/kasan/common.c:58)
[  554.826433][T11166]  ? kasan_save_stack (mm/kasan/common.c:57)
[  554.826434][T11166]  ? kasan_save_track (mm/kasan/common.c:78)
[  554.826435][T11166]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  554.826436][T11166]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  554.826437][T11166]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  554.826439][T11166]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  554.826440][T11166]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  554.826443][T11166]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  554.826445][T11166]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  554.826447][T11166]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  554.826449][T11166]  ? ____sys_sendmsg (net/socket.c:2713)
[  554.826451][T11166]  ? ___sys_sendmsg (net/socket.c:2767)
[  554.826453][T11166]  ? __sys_sendmsg (net/socket.c:2799)
[  554.826455][T11166]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  554.826457][T11166]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  554.826460][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826461][T11166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.826463][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826464][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826465][T11166]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  554.826467][T11166]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  554.826468][T11166]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  554.826470][T11166]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  554.826471][T11166]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  554.826473][T11166]  ? nla_get_range_signed (lib/nlattr.c:270)
[  554.826476][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826478][T11166]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  554.826480][T11166]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  554.826482][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826483][T11166]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.826485][T11166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.826486][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826488][T11166]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  554.826490][T11166]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  554.826492][T11166]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  554.826493][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826495][T11166]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  554.826498][T11166]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  554.826501][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826502][T11166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.826503][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826505][T11166]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.826506][T11166]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  554.826508][T11166]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  554.826509][T11166]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  554.826511][T11166]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  554.826514][T11166]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  554.826515][T11166]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  554.826517][T11166]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.826519][T11166]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  554.826520][T11166]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  554.826524][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826525][T11166]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.826527][T11166]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  554.826529][T11166]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  554.826531][T11166]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  554.826534][T11166]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  554.826536][T11166]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  554.826538][T11166]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  554.826539][T11166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.826541][T11166]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  554.826545][T11166]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  554.826547][T11166]  ____sys_sendmsg (net/socket.c:2713)
[  554.826548][T11166]  ? copy_msghdr_from_user (net/socket.c:2650)
[  554.826550][T11166]  ? sock_write_iter (net/socket.c:1269)
[  554.826552][T11166]  ? move_addr_to_kernel (net/socket.c:258)
[  554.826554][T11166]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  554.826556][T11166]  ___sys_sendmsg (net/socket.c:2767)
[  554.826558][T11166]  ? copy_msghdr_from_user (net/socket.c:2619)
[  554.826564][T11166]  __sys_sendmsg (net/socket.c:2799)
[  554.826566][T11166]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  554.826569][T11166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.826570][T11166]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  554.826572][T11166]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  554.826574][T11166]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  554.826576][T11166] RIP: 0033:0x7f06b512c54e
[  554.826578][T11166] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  554.826580][T11166] RSP: 002b:00007fff78ee0850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  554.826584][T11166] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f06b512c54e
[  554.826585][T11166] RDX: 0000000000000000 RSI: 00007fff78ee0900 RDI: 0000000000000005
[  554.826586][T11166] RBP: 00007fff78ee0860 R08: 0000000000000000 R09: 0000000000000000
[  554.826587][T11166] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bd9
[  554.826588][T11166] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff78ee0fc0
| [  555.975980][T11216] softirqs last disabled at (0): 0x0
| [  555.975982][T11216] Preemption disabled at:
| [  555.975983][T11216] vprintk_emit (kernel/printk/printk.c:2471)
| [  555.976001][T11216] Tainted: [W]=WARN
[  555.976002][T11216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  555.976004][T11216] Call Trace:
[  555.976005][T11216]  <TASK>
[  555.976006][T11216]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  555.976012][T11216]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  555.976014][T11216]  __might_resched.cold (kernel/sched/core.c:9234)
[  555.976017][T11216]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  555.976020][T11216]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  555.976024][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976026][T11216]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  555.976029][T11216]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  555.976032][T11216]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  555.976039][T11216]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  555.976042][T11216]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  555.976046][T11216]  put_chars (drivers/char/virtio_console.c:1176)
[  555.976047][T11216]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  555.976049][T11216]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  555.976052][T11216]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  555.976057][T11216]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  555.976059][T11216]  ? vsnprintf (lib/vsprintf.c:2900)
[  555.976062][T11216]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  555.976064][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976065][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976069][T11216]  console_emit_next_record (kernel/printk/printk.c:3183)
[  555.976072][T11216]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  555.976075][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976076][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976077][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976079][T11216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.976081][T11216]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  555.976084][T11216]  console_flush_one_record (kernel/printk/printk.c:3268)
[  555.976086][T11216]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  555.976089][T11216]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  555.976091][T11216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.976093][T11216]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  555.976095][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976096][T11216]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  555.976098][T11216]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  555.976099][T11216]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  555.976101][T11216]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  555.976103][T11216]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  555.976104][T11216]  vprintk_emit (kernel/printk/printk.c:2479)
[  555.976106][T11216]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  555.976108][T11216]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  555.976109][T11216]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  555.976112][T11216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.976114][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976116][T11216]  _printk (kernel/printk/printk.c:2504)
[  555.976119][T11216]  ? snapshot_read.cold (user.c:?)
[  555.976121][T11216]  ? br_multicast_flood (??:?)
[  555.976124][T11216]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  555.976127][T11216]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  555.976129][T11216]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  555.976130][T11216]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  555.976134][T11216]  br_init_port (net/bridge/br_stp_if.c:39)
[  555.976135][T11216]  new_nbp (net/bridge/br_if.c:449)
[  555.976138][T11216]  br_add_if (net/bridge/br_if.c:592)
[  555.976140][T11216]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  555.976144][T11216]  do_set_master (net/core/rtnetlink.c:3071)
[  555.976147][T11216]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  555.976148][T11216]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  555.976150][T11216]  ? __dev_get_by_name (net/core/dev.c:905)
[  555.976152][T11216]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  555.976155][T11216]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  555.976158][T11216]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  555.976160][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976162][T11216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  555.976163][T11216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.976165][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976166][T11216]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  555.976169][T11216]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  555.976170][T11216]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  555.976173][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976174][T11216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.976176][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976177][T11216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  555.976178][T11216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  555.976180][T11216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  555.976182][T11216]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  555.976183][T11216]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  555.976187][T11216]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  555.976190][T11216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  555.976192][T11216]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  555.976194][T11216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  555.976195][T11216]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  555.976198][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976200][T11216]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  555.976202][T11216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  555.976204][T11216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  555.976206][T11216]  ? next_uptodate_folio (mm/filemap.c:3747)
[  555.976209][T11216]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  555.976212][T11216]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  555.976214][T11216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.976216][T11216]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  555.976219][T11216]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  555.976222][T11216]  ____sys_sendmsg (net/socket.c:2713)
[  555.976224][T11216]  ? copy_msghdr_from_user (net/socket.c:2650)
[  555.976226][T11216]  ? sock_write_iter (net/socket.c:1269)
[  555.976227][T11216]  ? move_addr_to_kernel (net/socket.c:258)
[  555.976230][T11216]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  555.976233][T11216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.976235][T11216]  ___sys_sendmsg (net/socket.c:2767)
[  555.976237][T11216]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  555.976238][T11216]  ? copy_msghdr_from_user (net/socket.c:2619)
[  555.976240][T11216]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  555.976245][T11216]  __sys_sendmsg (net/socket.c:2799)
[  555.976247][T11216]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  555.976250][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976251][T11216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.976253][T11216]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  555.976255][T11216]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  555.976258][T11216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  555.976260][T11216] RIP: 0033:0x7fd41c34254e
[  555.976262][T11216] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  555.976264][T11216] RSP: 002b:00007ffc33b66040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  555.976268][T11216] RAX: ffffffffffffffda RBX: 00007ffc33b66808 RCX: 00007fd41c34254e
[  555.976269][T11216] RDX: 0000000000000000 RSI: 00007ffc33b660f0 RDI: 0000000000000005
[  555.976270][T11216] RBP: 00007ffc33b66050 R08: 0000000000000000 R09: 0000000000000000
[  555.976271][T11216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bda
[  555.976272][T11216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc33b667c0
| [  562.849935][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  562.849937][   T12] Preemption disabled at:
| [  562.849938][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  562.849948][   T12] Tainted: [W]=WARN
[  562.849949][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  562.849951][   T12] Workqueue: netns cleanup_net
[  562.849958][   T12] Call Trace:
[  562.849959][   T12]  <TASK>
[  562.849961][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  562.849966][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  562.849968][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  562.849971][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  562.849973][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  562.849977][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.849979][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  562.849982][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  562.849985][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  562.849989][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  562.849991][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  562.849994][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  562.849996][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  562.849998][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  562.850000][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  562.850005][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  562.850007][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  562.850010][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  562.850012][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.850013][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.850015][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  562.850018][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  562.850020][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.850021][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.850022][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.850024][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.850033][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  562.850035][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  562.850038][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  562.850042][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  562.850045][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.850047][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  562.850049][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.850050][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  562.850052][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  562.850054][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  562.850055][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  562.850057][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  562.850059][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  562.850060][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  562.850062][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  562.850063][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  562.850066][   T12]  ? kthread (kernel/kthread.c:436)
[  562.850071][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  562.850074][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  562.850077][   T12]  _printk (kernel/printk/printk.c:2504)
[  562.850080][   T12]  ? snapshot_read.cold (user.c:?)
[  562.850083][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  562.850086][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  562.850088][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  562.850091][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  562.850093][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.850094][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  562.850096][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  562.850099][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  562.850101][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  562.850102][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  562.850104][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  562.850107][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  562.850111][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  562.850113][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  562.850116][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  562.850118][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  562.850120][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  562.850123][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  562.850125][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  562.850127][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.850129][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.850131][   T12]  process_one_work (kernel/workqueue.c:3387)
[  562.850134][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  562.850136][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  562.850139][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  562.850142][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  562.850144][   T12]  kthread (kernel/kthread.c:436)
[  562.850146][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  562.850148][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  562.850150][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  562.850152][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  562.850154][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  562.850157][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  562.850159][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  564.189740][T11379] softirqs last disabled at (0): 0x0
| [  564.189742][T11379] Preemption disabled at:
| [  564.189742][T11379] vprintk_emit (kernel/printk/printk.c:2471)
| [  564.189753][T11379] Tainted: [W]=WARN
[  564.189754][T11379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  564.189756][T11379] Call Trace:
[  564.189757][T11379]  <TASK>
[  564.189758][T11379]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  564.189764][T11379]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  564.189766][T11379]  __might_resched.cold (kernel/sched/core.c:9234)
[  564.189769][T11379]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  564.189772][T11379]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  564.189775][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189778][T11379]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  564.189781][T11379]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  564.189784][T11379]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  564.189789][T11379]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  564.189791][T11379]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  564.189794][T11379]  put_chars (drivers/char/virtio_console.c:1176)
[  564.189796][T11379]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  564.189798][T11379]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  564.189800][T11379]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  564.189805][T11379]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  564.189807][T11379]  ? vsnprintf (lib/vsprintf.c:2900)
[  564.189811][T11379]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  564.189812][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189814][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189815][T11379]  console_emit_next_record (kernel/printk/printk.c:3183)
[  564.189818][T11379]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  564.189820][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189822][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189823][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189824][T11379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.189826][T11379]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  564.189828][T11379]  console_flush_one_record (kernel/printk/printk.c:3268)
[  564.189831][T11379]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  564.189834][T11379]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  564.189836][T11379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.189837][T11379]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  564.189839][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189840][T11379]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  564.189842][T11379]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  564.189844][T11379]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  564.189845][T11379]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  564.189848][T11379]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  564.189849][T11379]  vprintk_emit (kernel/printk/printk.c:2479)
[  564.189851][T11379]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  564.189852][T11379]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  564.189854][T11379]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  564.189857][T11379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.189859][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189860][T11379]  _printk (kernel/printk/printk.c:2504)
[  564.189863][T11379]  ? snapshot_read.cold (user.c:?)
[  564.189865][T11379]  ? br_multicast_flood (??:?)
[  564.189869][T11379]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  564.189872][T11379]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  564.189873][T11379]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  564.189875][T11379]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  564.189878][T11379]  br_init_port (net/bridge/br_stp_if.c:39)
[  564.189879][T11379]  new_nbp (net/bridge/br_if.c:449)
[  564.189882][T11379]  br_add_if (net/bridge/br_if.c:592)
[  564.189884][T11379]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  564.189888][T11379]  do_set_master (net/core/rtnetlink.c:3071)
[  564.189890][T11379]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  564.189892][T11379]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  564.189894][T11379]  ? __dev_get_by_name (net/core/dev.c:905)
[  564.189895][T11379]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  564.189899][T11379]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  564.189902][T11379]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  564.189904][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189905][T11379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  564.189907][T11379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.189908][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189910][T11379]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  564.189912][T11379]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  564.189914][T11379]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  564.189917][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189918][T11379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.189920][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189921][T11379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  564.189922][T11379]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  564.189924][T11379]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  564.189926][T11379]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  564.189928][T11379]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  564.189932][T11379]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  564.189935][T11379]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  564.189936][T11379]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  564.189938][T11379]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  564.189940][T11379]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  564.189943][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189944][T11379]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  564.189946][T11379]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  564.189949][T11379]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  564.189951][T11379]  ? next_uptodate_folio (mm/filemap.c:3747)
[  564.189954][T11379]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  564.189956][T11379]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  564.189958][T11379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.189960][T11379]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  564.189964][T11379]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  564.189967][T11379]  ____sys_sendmsg (net/socket.c:2713)
[  564.189969][T11379]  ? copy_msghdr_from_user (net/socket.c:2650)
[  564.189971][T11379]  ? sock_write_iter (net/socket.c:1269)
[  564.189973][T11379]  ? move_addr_to_kernel (net/socket.c:258)
[  564.189975][T11379]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  564.189977][T11379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.189980][T11379]  ___sys_sendmsg (net/socket.c:2767)
[  564.189981][T11379]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  564.189983][T11379]  ? copy_msghdr_from_user (net/socket.c:2619)
[  564.189985][T11379]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  564.189990][T11379]  __sys_sendmsg (net/socket.c:2799)
[  564.189992][T11379]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  564.189995][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189996][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.189997][T11379]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  564.190000][T11379]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  564.190002][T11379]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  564.190004][T11379] RIP: 0033:0x7f0d48e9c54e
[  564.190006][T11379] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  564.190008][T11379] RSP: 002b:00007ffda4d000b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  564.190012][T11379] RAX: ffffffffffffffda RBX: 00007ffda4d00878 RCX: 00007f0d48e9c54e
[  564.190014][T11379] RDX: 0000000000000000 RSI: 00007ffda4d00160 RDI: 0000000000000005
[  564.190015][T11379] RBP: 00007ffda4d000c0 R08: 0000000000000000 R09: 0000000000000000
[  564.190016][T11379] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917be2
[  564.190017][T11379] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda4d00830
| [  565.596054][T11448] softirqs last disabled at (0): 0x0
| [  565.596055][T11448] Preemption disabled at:
| [  565.596056][T11448] vprintk_emit (kernel/printk/printk.c:2471)
| [  565.596069][T11448] Tainted: [W]=WARN
[  565.596070][T11448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  565.596072][T11448] Call Trace:
[  565.596073][T11448]  <TASK>
[  565.596075][T11448]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  565.596081][T11448]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  565.596083][T11448]  __might_resched.cold (kernel/sched/core.c:9234)
[  565.596087][T11448]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  565.596090][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596093][T11448]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  565.596096][T11448]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  565.596099][T11448]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  565.596104][T11448]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  565.596106][T11448]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  565.596109][T11448]  put_chars (drivers/char/virtio_console.c:1176)
[  565.596111][T11448]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  565.596112][T11448]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  565.596114][T11448]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  565.596116][T11448]  ? pointer (lib/vsprintf.c:2577)
[  565.596120][T11448]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  565.596125][T11448]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  565.596127][T11448]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  565.596129][T11448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.596132][T11448]  console_emit_next_record (kernel/printk/printk.c:3183)
[  565.596134][T11448]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  565.596137][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596138][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596139][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596140][T11448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.596142][T11448]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  565.596144][T11448]  console_flush_one_record (kernel/printk/printk.c:3268)
[  565.596147][T11448]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  565.596149][T11448]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  565.596151][T11448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.596153][T11448]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  565.596155][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596156][T11448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  565.596158][T11448]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  565.596159][T11448]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  565.596161][T11448]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  565.596163][T11448]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  565.596164][T11448]  vprintk_emit (kernel/printk/printk.c:2479)
[  565.596166][T11448]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  565.596167][T11448]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  565.596170][T11448]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  565.596173][T11448]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  565.596175][T11448]  _printk (kernel/printk/printk.c:2504)
[  565.596178][T11448]  ? snapshot_read.cold (user.c:?)
[  565.596180][T11448]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  565.596183][T11448]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  565.596186][T11448]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  565.596188][T11448]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  565.596191][T11448]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  565.596193][T11448]  ? netdev_notice (net/core/dev.c:13194)
[  565.596196][T11448]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  565.596197][T11448]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  565.596200][T11448]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  565.596202][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596203][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596204][T11448]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  565.596206][T11448]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  565.596207][T11448]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  565.596209][T11448]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  565.596210][T11448]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  565.596212][T11448]  ? register_netdev (net/core/dev.c:11618)
[  565.596214][T11448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  565.596216][T11448]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  565.596219][T11448]  ? __kernel_text_address (kernel/extable.c:79)
[  565.596221][T11448]  ? write_profile (profile.c:?)
[  565.596224][T11448]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  565.596228][T11448]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  565.596230][T11448]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  565.596232][T11448]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  565.596233][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596234][T11448]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  565.596238][T11448]  ? kasan_save_stack (mm/kasan/common.c:58)
[  565.596240][T11448]  ? kasan_save_stack (mm/kasan/common.c:57)
[  565.596241][T11448]  ? kasan_save_track (mm/kasan/common.c:78)
[  565.596242][T11448]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  565.596243][T11448]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  565.596244][T11448]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  565.596246][T11448]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  565.596247][T11448]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  565.596250][T11448]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  565.596252][T11448]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  565.596253][T11448]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  565.596256][T11448]  ? ____sys_sendmsg (net/socket.c:2713)
[  565.596258][T11448]  ? ___sys_sendmsg (net/socket.c:2767)
[  565.596259][T11448]  ? __sys_sendmsg (net/socket.c:2799)
[  565.596261][T11448]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  565.596263][T11448]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  565.596266][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596268][T11448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.596269][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596270][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596271][T11448]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  565.596273][T11448]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  565.596274][T11448]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  565.596276][T11448]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  565.596277][T11448]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  565.596279][T11448]  ? nla_get_range_signed (lib/nlattr.c:270)
[  565.596282][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596283][T11448]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  565.596286][T11448]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  565.596288][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596289][T11448]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  565.596290][T11448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.596292][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596293][T11448]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  565.596296][T11448]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  565.596297][T11448]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  565.596299][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596300][T11448]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  565.596303][T11448]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  565.596306][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596307][T11448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.596309][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596310][T11448]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  565.596311][T11448]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  565.596313][T11448]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  565.596315][T11448]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  565.596316][T11448]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  565.596319][T11448]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  565.596321][T11448]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  565.596322][T11448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  565.596324][T11448]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  565.596325][T11448]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  565.596329][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596330][T11448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  565.596332][T11448]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  565.596334][T11448]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  565.596336][T11448]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  565.596338][T11448]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  565.596340][T11448]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  565.596342][T11448]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  565.596344][T11448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.596346][T11448]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  565.596349][T11448]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  565.596351][T11448]  ____sys_sendmsg (net/socket.c:2713)
[  565.596353][T11448]  ? copy_msghdr_from_user (net/socket.c:2650)
[  565.596354][T11448]  ? sock_write_iter (net/socket.c:1269)
[  565.596356][T11448]  ? move_addr_to_kernel (net/socket.c:258)
[  565.596358][T11448]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  565.596360][T11448]  ___sys_sendmsg (net/socket.c:2767)
[  565.596362][T11448]  ? copy_msghdr_from_user (net/socket.c:2619)
[  565.596367][T11448]  __sys_sendmsg (net/socket.c:2799)
[  565.596369][T11448]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  565.596372][T11448]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[  565.596375][T11448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.596376][T11448]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  565.596378][T11448]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  565.596380][T11448]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  565.596381][T11448] RIP: 0033:0x7fa4632cb54e
[  565.596383][T11448] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  565.596385][T11448] RSP: 002b:00007fffc5183950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  565.596389][T11448] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa4632cb54e
[  565.596390][T11448] RDX: 0000000000000000 RSI: 00007fffc5183a00 RDI: 0000000000000005
[  565.596391][T11448] RBP: 00007fffc5183960 R08: 0000000000000000 R09: 0000000000000000
[  565.596392][T11448] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917be3
[  565.596393][T11448] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc51840c0
| [  566.728167][T11498] softirqs last disabled at (0): 0x0
| [  566.728169][T11498] Preemption disabled at:
| [  566.728170][T11498] vprintk_emit (kernel/printk/printk.c:2471)
| [  566.728181][T11498] Tainted: [W]=WARN
[  566.728182][T11498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  566.728184][T11498] Call Trace:
[  566.728185][T11498]  <TASK>
[  566.728186][T11498]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  566.728192][T11498]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  566.728194][T11498]  __might_resched.cold (kernel/sched/core.c:9234)
[  566.728197][T11498]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  566.728200][T11498]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  566.728203][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728206][T11498]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  566.728209][T11498]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  566.728212][T11498]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  566.728217][T11498]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  566.728219][T11498]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  566.728222][T11498]  put_chars (drivers/char/virtio_console.c:1176)
[  566.728223][T11498]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  566.728225][T11498]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  566.728228][T11498]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  566.728233][T11498]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  566.728235][T11498]  ? vsnprintf (lib/vsprintf.c:2900)
[  566.728238][T11498]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  566.728240][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728241][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728243][T11498]  console_emit_next_record (kernel/printk/printk.c:3183)
[  566.728246][T11498]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  566.728248][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728249][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728250][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728251][T11498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.728253][T11498]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  566.728256][T11498]  console_flush_one_record (kernel/printk/printk.c:3268)
[  566.728258][T11498]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  566.728261][T11498]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  566.728263][T11498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.728265][T11498]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  566.728266][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728267][T11498]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  566.728269][T11498]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  566.728271][T11498]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  566.728272][T11498]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  566.728274][T11498]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  566.728276][T11498]  vprintk_emit (kernel/printk/printk.c:2479)
[  566.728278][T11498]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  566.728279][T11498]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  566.728281][T11498]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  566.728284][T11498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.728285][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728287][T11498]  _printk (kernel/printk/printk.c:2504)
[  566.728291][T11498]  ? snapshot_read.cold (user.c:?)
[  566.728293][T11498]  ? br_multicast_flood (??:?)
[  566.728296][T11498]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  566.728299][T11498]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  566.728300][T11498]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  566.728302][T11498]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  566.728305][T11498]  br_init_port (net/bridge/br_stp_if.c:39)
[  566.728307][T11498]  new_nbp (net/bridge/br_if.c:449)
[  566.728309][T11498]  br_add_if (net/bridge/br_if.c:592)
[  566.728311][T11498]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  566.728316][T11498]  do_set_master (net/core/rtnetlink.c:3071)
[  566.728318][T11498]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  566.728320][T11498]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  566.728321][T11498]  ? __dev_get_by_name (net/core/dev.c:905)
[  566.728323][T11498]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  566.728327][T11498]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  566.728329][T11498]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  566.728332][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728333][T11498]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  566.728334][T11498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.728336][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728337][T11498]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  566.728340][T11498]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  566.728342][T11498]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  566.728344][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728345][T11498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.728347][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728348][T11498]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  566.728350][T11498]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  566.728352][T11498]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  566.728353][T11498]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  566.728355][T11498]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  566.728359][T11498]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  566.728362][T11498]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  566.728363][T11498]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  566.728365][T11498]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  566.728367][T11498]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  566.728370][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728371][T11498]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  566.728373][T11498]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  566.728375][T11498]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  566.728377][T11498]  ? next_uptodate_folio (mm/filemap.c:3747)
[  566.728380][T11498]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  566.728383][T11498]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  566.728385][T11498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.728386][T11498]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  566.728390][T11498]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  566.728393][T11498]  ____sys_sendmsg (net/socket.c:2713)
[  566.728395][T11498]  ? copy_msghdr_from_user (net/socket.c:2650)
[  566.728397][T11498]  ? sock_write_iter (net/socket.c:1269)
[  566.728398][T11498]  ? move_addr_to_kernel (net/socket.c:258)
[  566.728400][T11498]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  566.728403][T11498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.728405][T11498]  ___sys_sendmsg (net/socket.c:2767)
[  566.728407][T11498]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  566.728409][T11498]  ? copy_msghdr_from_user (net/socket.c:2619)
[  566.728411][T11498]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  566.728415][T11498]  __sys_sendmsg (net/socket.c:2799)
[  566.728418][T11498]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  566.728420][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728422][T11498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.728423][T11498]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  566.728426][T11498]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  566.728428][T11498]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  566.728430][T11498] RIP: 0033:0x7f5a1343d54e
[  566.728432][T11498] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  566.728434][T11498] RSP: 002b:00007ffe2a88f980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  566.728437][T11498] RAX: ffffffffffffffda RBX: 00007ffe2a890148 RCX: 00007f5a1343d54e
[  566.728439][T11498] RDX: 0000000000000000 RSI: 00007ffe2a88fa30 RDI: 0000000000000005
[  566.728440][T11498] RBP: 00007ffe2a88f990 R08: 0000000000000000 R09: 0000000000000000
[  566.728441][T11498] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917be5
[  566.728442][T11498] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2a890100
| [  573.586956][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  573.586959][   T12] Preemption disabled at:
| [  573.586959][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  573.586969][   T12] Tainted: [W]=WARN
[  573.586970][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  573.586972][   T12] Workqueue: netns cleanup_net
[  573.586978][   T12] Call Trace:
[  573.586980][   T12]  <TASK>
[  573.586981][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  573.586987][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  573.586989][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  573.586992][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  573.586994][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  573.586998][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.587000][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  573.587003][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  573.587006][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  573.587011][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  573.587013][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  573.587015][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  573.587017][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  573.587019][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  573.587022][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  573.587027][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  573.587028][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  573.587032][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  573.587034][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.587035][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.587038][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  573.587042][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  573.587045][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.587046][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.587047][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.587048][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.587051][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  573.587053][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  573.587056][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  573.587059][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  573.587060][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.587062][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  573.587064][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.587065][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  573.587071][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  573.587072][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  573.587074][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  573.587076][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  573.587078][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  573.587080][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  573.587081][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  573.587083][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  573.587086][   T12]  ? kthread (kernel/kthread.c:436)
[  573.587088][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  573.587096][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  573.587099][   T12]  _printk (kernel/printk/printk.c:2504)
[  573.587102][   T12]  ? snapshot_read.cold (user.c:?)
[  573.587105][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  573.587108][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  573.587111][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  573.587113][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  573.587115][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.587117][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  573.587119][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  573.587122][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  573.587124][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  573.587125][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  573.587128][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  573.587131][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  573.587135][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  573.587137][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  573.587140][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  573.587142][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  573.587144][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  573.587147][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  573.587149][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  573.587151][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  573.587154][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.587156][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.587157][   T12]  process_one_work (kernel/workqueue.c:3387)
[  573.587160][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  573.587163][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  573.587166][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  573.587169][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  573.587171][   T12]  kthread (kernel/kthread.c:436)
[  573.587173][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  573.587175][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  573.587177][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  573.587179][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  573.587181][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  573.587184][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  573.587186][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  575.011542][T11660] softirqs last disabled at (0): 0x0
| [  575.011544][T11660] Preemption disabled at:
| [  575.011545][T11660] vprintk_emit (kernel/printk/printk.c:2471)
| [  575.011555][T11660] Tainted: [W]=WARN
[  575.011556][T11660] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  575.011558][T11660] Call Trace:
[  575.011560][T11660]  <TASK>
[  575.011561][T11660]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  575.011567][T11660]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  575.011569][T11660]  __might_resched.cold (kernel/sched/core.c:9234)
[  575.011572][T11660]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  575.011575][T11660]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  575.011578][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011580][T11660]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  575.011583][T11660]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  575.011586][T11660]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  575.011591][T11660]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  575.011593][T11660]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  575.011596][T11660]  put_chars (drivers/char/virtio_console.c:1176)
[  575.011598][T11660]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  575.011600][T11660]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  575.011602][T11660]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  575.011607][T11660]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  575.011609][T11660]  ? vsnprintf (lib/vsprintf.c:2900)
[  575.011612][T11660]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  575.011614][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011615][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011617][T11660]  console_emit_next_record (kernel/printk/printk.c:3183)
[  575.011620][T11660]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  575.011622][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011623][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011624][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011625][T11660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.011628][T11660]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  575.011629][T11660]  console_flush_one_record (kernel/printk/printk.c:3268)
[  575.011632][T11660]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  575.011635][T11660]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  575.011637][T11660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.011638][T11660]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  575.011640][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011641][T11660]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.011643][T11660]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  575.011645][T11660]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  575.011646][T11660]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  575.011648][T11660]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  575.011650][T11660]  vprintk_emit (kernel/printk/printk.c:2479)
[  575.011652][T11660]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  575.011653][T11660]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  575.011655][T11660]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  575.011658][T11660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.011660][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011661][T11660]  _printk (kernel/printk/printk.c:2504)
[  575.011665][T11660]  ? snapshot_read.cold (user.c:?)
[  575.011667][T11660]  ? br_multicast_flood (??:?)
[  575.011670][T11660]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  575.011673][T11660]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  575.011675][T11660]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  575.011676][T11660]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  575.011679][T11660]  br_init_port (net/bridge/br_stp_if.c:39)
[  575.011681][T11660]  new_nbp (net/bridge/br_if.c:449)
[  575.011684][T11660]  br_add_if (net/bridge/br_if.c:592)
[  575.011686][T11660]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  575.011690][T11660]  do_set_master (net/core/rtnetlink.c:3071)
[  575.011692][T11660]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  575.011694][T11660]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  575.011695][T11660]  ? __dev_get_by_name (net/core/dev.c:905)
[  575.011697][T11660]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  575.011701][T11660]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  575.011704][T11660]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  575.011706][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011707][T11660]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  575.011708][T11660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.011710][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011711][T11660]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  575.011714][T11660]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  575.011716][T11660]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  575.011718][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011720][T11660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.011721][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011722][T11660]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  575.011724][T11660]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  575.011726][T11660]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  575.011727][T11660]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  575.011729][T11660]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  575.011733][T11660]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  575.011736][T11660]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  575.011737][T11660]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.011739][T11660]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  575.011741][T11660]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  575.011744][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011745][T11660]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.011747][T11660]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  575.011749][T11660]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  575.011751][T11660]  ? next_uptodate_folio (mm/filemap.c:3747)
[  575.011754][T11660]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  575.011757][T11660]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  575.011759][T11660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.011760][T11660]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  575.011764][T11660]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  575.011767][T11660]  ____sys_sendmsg (net/socket.c:2713)
[  575.011769][T11660]  ? copy_msghdr_from_user (net/socket.c:2650)
[  575.011771][T11660]  ? sock_write_iter (net/socket.c:1269)
[  575.011772][T11660]  ? move_addr_to_kernel (net/socket.c:258)
[  575.011775][T11660]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  575.011777][T11660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.011779][T11660]  ___sys_sendmsg (net/socket.c:2767)
[  575.011781][T11660]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  575.011783][T11660]  ? copy_msghdr_from_user (net/socket.c:2619)
[  575.011784][T11660]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  575.011789][T11660]  __sys_sendmsg (net/socket.c:2799)
[  575.011792][T11660]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  575.011795][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011796][T11660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.011797][T11660]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  575.011800][T11660]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  575.011802][T11660]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  575.011804][T11660] RIP: 0033:0x7fbeae24c54e
[  575.011806][T11660] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  575.011808][T11660] RSP: 002b:00007fff6569e5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  575.011811][T11660] RAX: ffffffffffffffda RBX: 00007fff6569edb8 RCX: 00007fbeae24c54e
[  575.011813][T11660] RDX: 0000000000000000 RSI: 00007fff6569e6a0 RDI: 0000000000000005
[  575.011814][T11660] RBP: 00007fff6569e600 R08: 0000000000000000 R09: 0000000000000000
[  575.011815][T11660] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bed
[  575.011816][T11660] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6569ed70
| [  576.423158][T11729] softirqs last disabled at (0): 0x0
| [  576.423160][T11729] Preemption disabled at:
| [  576.423161][T11729] vprintk_emit (kernel/printk/printk.c:2471)
| [  576.423171][T11729] Tainted: [W]=WARN
[  576.423172][T11729] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  576.423173][T11729] Call Trace:
[  576.423175][T11729]  <TASK>
[  576.423176][T11729]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  576.423182][T11729]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  576.423183][T11729]  __might_resched.cold (kernel/sched/core.c:9234)
[  576.423187][T11729]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  576.423191][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423193][T11729]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  576.423196][T11729]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  576.423199][T11729]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  576.423205][T11729]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  576.423206][T11729]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  576.423209][T11729]  put_chars (drivers/char/virtio_console.c:1176)
[  576.423211][T11729]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  576.423212][T11729]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  576.423214][T11729]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  576.423217][T11729]  ? pointer (lib/vsprintf.c:2577)
[  576.423220][T11729]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  576.423225][T11729]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  576.423227][T11729]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  576.423229][T11729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.423232][T11729]  console_emit_next_record (kernel/printk/printk.c:3183)
[  576.423234][T11729]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  576.423236][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423238][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423239][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423240][T11729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.423242][T11729]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  576.423244][T11729]  console_flush_one_record (kernel/printk/printk.c:3268)
[  576.423246][T11729]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  576.423249][T11729]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  576.423251][T11729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.423253][T11729]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  576.423255][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423256][T11729]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  576.423257][T11729]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  576.423259][T11729]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  576.423261][T11729]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  576.423263][T11729]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  576.423264][T11729]  vprintk_emit (kernel/printk/printk.c:2479)
[  576.423266][T11729]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  576.423267][T11729]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  576.423270][T11729]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  576.423273][T11729]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  576.423275][T11729]  _printk (kernel/printk/printk.c:2504)
[  576.423278][T11729]  ? snapshot_read.cold (user.c:?)
[  576.423280][T11729]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  576.423283][T11729]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  576.423286][T11729]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  576.423288][T11729]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  576.423291][T11729]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  576.423293][T11729]  ? netdev_notice (net/core/dev.c:13194)
[  576.423295][T11729]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  576.423297][T11729]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  576.423300][T11729]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  576.423301][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423302][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423304][T11729]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  576.423305][T11729]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  576.423307][T11729]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  576.423308][T11729]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  576.423309][T11729]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  576.423311][T11729]  ? register_netdev (net/core/dev.c:11618)
[  576.423313][T11729]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  576.423315][T11729]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  576.423317][T11729]  ? __kernel_text_address (kernel/extable.c:79)
[  576.423320][T11729]  ? write_profile (profile.c:?)
[  576.423323][T11729]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  576.423327][T11729]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  576.423329][T11729]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  576.423331][T11729]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  576.423332][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423333][T11729]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  576.423336][T11729]  ? kasan_save_stack (mm/kasan/common.c:58)
[  576.423338][T11729]  ? kasan_save_stack (mm/kasan/common.c:57)
[  576.423340][T11729]  ? kasan_save_track (mm/kasan/common.c:78)
[  576.423341][T11729]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  576.423342][T11729]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  576.423343][T11729]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  576.423344][T11729]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  576.423345][T11729]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  576.423349][T11729]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  576.423350][T11729]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  576.423352][T11729]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  576.423354][T11729]  ? ____sys_sendmsg (net/socket.c:2713)
[  576.423356][T11729]  ? ___sys_sendmsg (net/socket.c:2767)
[  576.423358][T11729]  ? __sys_sendmsg (net/socket.c:2799)
[  576.423360][T11729]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  576.423362][T11729]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  576.423365][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423366][T11729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.423368][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423369][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423370][T11729]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  576.423371][T11729]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  576.423373][T11729]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  576.423374][T11729]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  576.423376][T11729]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  576.423377][T11729]  ? nla_get_range_signed (lib/nlattr.c:270)
[  576.423380][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423381][T11729]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  576.423384][T11729]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  576.423386][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423387][T11729]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  576.423388][T11729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.423390][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423391][T11729]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  576.423393][T11729]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  576.423395][T11729]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  576.423396][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423397][T11729]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  576.423401][T11729]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  576.423403][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423404][T11729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.423406][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423407][T11729]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  576.423408][T11729]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  576.423410][T11729]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  576.423412][T11729]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  576.423413][T11729]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  576.423416][T11729]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  576.423417][T11729]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  576.423419][T11729]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  576.423421][T11729]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  576.423422][T11729]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  576.423425][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423426][T11729]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  576.423428][T11729]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  576.423431][T11729]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  576.423433][T11729]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  576.423435][T11729]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  576.423437][T11729]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  576.423438][T11729]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  576.423440][T11729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.423442][T11729]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  576.423445][T11729]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  576.423447][T11729]  ____sys_sendmsg (net/socket.c:2713)
[  576.423449][T11729]  ? copy_msghdr_from_user (net/socket.c:2650)
[  576.423451][T11729]  ? sock_write_iter (net/socket.c:1269)
[  576.423452][T11729]  ? move_addr_to_kernel (net/socket.c:258)
[  576.423454][T11729]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  576.423457][T11729]  ___sys_sendmsg (net/socket.c:2767)
[  576.423458][T11729]  ? copy_msghdr_from_user (net/socket.c:2619)
[  576.423464][T11729]  __sys_sendmsg (net/socket.c:2799)
[  576.423466][T11729]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  576.423468][T11729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.423470][T11729]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  576.423472][T11729]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  576.423474][T11729]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  576.423475][T11729] RIP: 0033:0x7f1e52dd654e
[  576.423478][T11729] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  576.423479][T11729] RSP: 002b:00007ffd2a37ba70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  576.423483][T11729] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1e52dd654e
[  576.423485][T11729] RDX: 0000000000000000 RSI: 00007ffd2a37bb20 RDI: 0000000000000005
[  576.423486][T11729] RBP: 00007ffd2a37ba80 R08: 0000000000000000 R09: 0000000000000000
[  576.423487][T11729] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bee
[  576.423488][T11729] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2a37c1e0
| [  577.575021][T11786] softirqs last disabled at (0): 0x0
| [  577.575023][T11786] Preemption disabled at:
| [  577.575024][T11786] vprintk_emit (kernel/printk/printk.c:2471)
| [  577.575035][T11786] Tainted: [W]=WARN
[  577.575037][T11786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  577.575039][T11786] Call Trace:
[  577.575040][T11786]  <TASK>
[  577.575042][T11786]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  577.575049][T11786]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  577.575050][T11786]  __might_resched.cold (kernel/sched/core.c:9234)
[  577.575054][T11786]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  577.575056][T11786]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  577.575060][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575062][T11786]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  577.575066][T11786]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  577.575072][T11786]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  577.575077][T11786]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  577.575079][T11786]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  577.575082][T11786]  put_chars (drivers/char/virtio_console.c:1176)
[  577.575084][T11786]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  577.575085][T11786]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  577.575088][T11786]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  577.575093][T11786]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  577.575095][T11786]  ? vsnprintf (lib/vsprintf.c:2900)
[  577.575098][T11786]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  577.575100][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575101][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575103][T11786]  console_emit_next_record (kernel/printk/printk.c:3183)
[  577.575106][T11786]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  577.575108][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575109][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575110][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575111][T11786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.575120][T11786]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  577.575122][T11786]  console_flush_one_record (kernel/printk/printk.c:3268)
[  577.575125][T11786]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  577.575128][T11786]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  577.575130][T11786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.575132][T11786]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  577.575134][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575135][T11786]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  577.575137][T11786]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  577.575138][T11786]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  577.575140][T11786]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  577.575142][T11786]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  577.575143][T11786]  vprintk_emit (kernel/printk/printk.c:2479)
[  577.575145][T11786]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  577.575146][T11786]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  577.575148][T11786]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  577.575151][T11786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.575153][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575155][T11786]  _printk (kernel/printk/printk.c:2504)
[  577.575158][T11786]  ? snapshot_read.cold (user.c:?)
[  577.575160][T11786]  ? br_multicast_flood (??:?)
[  577.575164][T11786]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  577.575167][T11786]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  577.575168][T11786]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  577.575170][T11786]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  577.575173][T11786]  br_init_port (net/bridge/br_stp_if.c:39)
[  577.575175][T11786]  new_nbp (net/bridge/br_if.c:449)
[  577.575177][T11786]  br_add_if (net/bridge/br_if.c:592)
[  577.575179][T11786]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  577.575183][T11786]  do_set_master (net/core/rtnetlink.c:3071)
[  577.575186][T11786]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  577.575187][T11786]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  577.575189][T11786]  ? __dev_get_by_name (net/core/dev.c:905)
[  577.575191][T11786]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  577.575194][T11786]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  577.575197][T11786]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  577.575199][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575200][T11786]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  577.575202][T11786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.575203][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575205][T11786]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  577.575208][T11786]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  577.575209][T11786]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  577.575212][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575213][T11786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.575214][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575216][T11786]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  577.575217][T11786]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  577.575219][T11786]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  577.575221][T11786]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  577.575222][T11786]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  577.575227][T11786]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  577.575230][T11786]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  577.575231][T11786]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  577.575233][T11786]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  577.575235][T11786]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  577.575238][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575239][T11786]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  577.575241][T11786]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  577.575243][T11786]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  577.575245][T11786]  ? next_uptodate_folio (mm/filemap.c:3747)
[  577.575249][T11786]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  577.575251][T11786]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  577.575253][T11786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.575255][T11786]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  577.575258][T11786]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  577.575262][T11786]  ____sys_sendmsg (net/socket.c:2713)
[  577.575263][T11786]  ? copy_msghdr_from_user (net/socket.c:2650)
[  577.575265][T11786]  ? sock_write_iter (net/socket.c:1269)
[  577.575267][T11786]  ? move_addr_to_kernel (net/socket.c:258)
[  577.575269][T11786]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  577.575272][T11786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.575274][T11786]  ___sys_sendmsg (net/socket.c:2767)
[  577.575276][T11786]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  577.575277][T11786]  ? copy_msghdr_from_user (net/socket.c:2619)
[  577.575279][T11786]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  577.575284][T11786]  __sys_sendmsg (net/socket.c:2799)
[  577.575286][T11786]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  577.575289][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575290][T11786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.575292][T11786]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  577.575294][T11786]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  577.575297][T11786]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  577.575299][T11786] RIP: 0033:0x7f0c50c1954e
[  577.575301][T11786] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  577.575302][T11786] RSP: 002b:00007fffc5d98de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  577.575306][T11786] RAX: ffffffffffffffda RBX: 00007fffc5d995a8 RCX: 00007f0c50c1954e
[  577.575308][T11786] RDX: 0000000000000000 RSI: 00007fffc5d98e90 RDI: 0000000000000005
[  577.575309][T11786] RBP: 00007fffc5d98df0 R08: 0000000000000000 R09: 0000000000000000
[  577.575309][T11786] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bef
[  577.575310][T11786] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc5d99560
| [  584.399139][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  584.399142][   T12] Preemption disabled at:
| [  584.399143][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  584.399152][   T12] Tainted: [W]=WARN
[  584.399153][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  584.399160][   T12] Workqueue: netns cleanup_net
[  584.399167][   T12] Call Trace:
[  584.399168][   T12]  <TASK>
[  584.399170][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  584.399176][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  584.399178][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  584.399182][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  584.399184][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  584.399187][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.399190][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  584.399193][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  584.399196][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  584.399200][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  584.399202][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  584.399205][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  584.399206][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  584.399208][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  584.399211][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  584.399216][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  584.399218][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  584.399221][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  584.399223][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.399224][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.399226][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  584.399229][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  584.399231][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.399232][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.399233][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.399234][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.399237][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  584.399239][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  584.399241][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  584.399244][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  584.399246][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.399248][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  584.399250][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.399251][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  584.399253][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  584.399254][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  584.399256][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  584.399257][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  584.399259][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  584.399261][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  584.399262][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  584.399264][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  584.399267][   T12]  ? kthread (kernel/kthread.c:436)
[  584.399269][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  584.399272][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  584.399274][   T12]  _printk (kernel/printk/printk.c:2504)
[  584.399278][   T12]  ? snapshot_read.cold (user.c:?)
[  584.399280][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  584.399283][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  584.399286][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  584.399288][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  584.399290][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.399292][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  584.399293][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  584.399296][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  584.399298][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  584.399299][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  584.399301][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  584.399304][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  584.399308][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  584.399310][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  584.399313][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  584.399315][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  584.399317][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  584.399320][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  584.399322][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  584.399324][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  584.399327][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.399328][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.399330][   T12]  process_one_work (kernel/workqueue.c:3387)
[  584.399333][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  584.399336][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  584.399339][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  584.399342][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  584.399344][   T12]  kthread (kernel/kthread.c:436)
[  584.399345][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  584.399347][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  584.399349][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  584.399351][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  584.399353][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  584.399356][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  584.399358][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  585.764669][T11948] softirqs last disabled at (0): 0x0
| [  585.764671][T11948] Preemption disabled at:
| [  585.764671][T11948] vprintk_emit (kernel/printk/printk.c:2471)
| [  585.764682][T11948] Tainted: [W]=WARN
[  585.764683][T11948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  585.764685][T11948] Call Trace:
[  585.764687][T11948]  <TASK>
[  585.764688][T11948]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  585.764694][T11948]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  585.764695][T11948]  __might_resched.cold (kernel/sched/core.c:9234)
[  585.764699][T11948]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  585.764701][T11948]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  585.764704][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764707][T11948]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  585.764710][T11948]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  585.764713][T11948]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  585.764719][T11948]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  585.764720][T11948]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  585.764723][T11948]  put_chars (drivers/char/virtio_console.c:1176)
[  585.764725][T11948]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  585.764727][T11948]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  585.764729][T11948]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  585.764734][T11948]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  585.764736][T11948]  ? vsnprintf (lib/vsprintf.c:2900)
[  585.764739][T11948]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  585.764741][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764742][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764744][T11948]  console_emit_next_record (kernel/printk/printk.c:3183)
[  585.764747][T11948]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  585.764749][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764751][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764752][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764753][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.764756][T11948]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  585.764758][T11948]  console_flush_one_record (kernel/printk/printk.c:3268)
[  585.764760][T11948]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  585.764763][T11948]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  585.764765][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.764767][T11948]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  585.764769][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764770][T11948]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  585.764772][T11948]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  585.764773][T11948]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  585.764775][T11948]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  585.764777][T11948]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  585.764778][T11948]  vprintk_emit (kernel/printk/printk.c:2479)
[  585.764780][T11948]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  585.764782][T11948]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  585.764783][T11948]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  585.764786][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.764788][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764790][T11948]  _printk (kernel/printk/printk.c:2504)
[  585.764793][T11948]  ? snapshot_read.cold (user.c:?)
[  585.764795][T11948]  ? br_multicast_flood (??:?)
[  585.764798][T11948]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  585.764801][T11948]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  585.764802][T11948]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  585.764804][T11948]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  585.764807][T11948]  br_init_port (net/bridge/br_stp_if.c:39)
[  585.764809][T11948]  new_nbp (net/bridge/br_if.c:449)
[  585.764811][T11948]  br_add_if (net/bridge/br_if.c:592)
[  585.764813][T11948]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  585.764818][T11948]  do_set_master (net/core/rtnetlink.c:3071)
[  585.764820][T11948]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  585.764822][T11948]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  585.764823][T11948]  ? __dev_get_by_name (net/core/dev.c:905)
[  585.764825][T11948]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  585.764829][T11948]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  585.764832][T11948]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  585.764834][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764836][T11948]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  585.764837][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.764839][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764840][T11948]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  585.764843][T11948]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  585.764845][T11948]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  585.764847][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764849][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.764850][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764852][T11948]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  585.764853][T11948]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  585.764855][T11948]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  585.764857][T11948]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  585.764858][T11948]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  585.764862][T11948]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  585.764866][T11948]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  585.764867][T11948]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  585.764869][T11948]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  585.764870][T11948]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  585.764873][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764875][T11948]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  585.764877][T11948]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  585.764879][T11948]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  585.764881][T11948]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  585.764884][T11948]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  585.764887][T11948]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  585.764889][T11948]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  585.764892][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.764893][T11948]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  585.764897][T11948]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  585.764900][T11948]  ____sys_sendmsg (net/socket.c:2713)
[  585.764902][T11948]  ? copy_msghdr_from_user (net/socket.c:2650)
[  585.764904][T11948]  ? sock_write_iter (net/socket.c:1269)
[  585.764905][T11948]  ? move_addr_to_kernel (net/socket.c:258)
[  585.764908][T11948]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  585.764911][T11948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.764913][T11948]  ___sys_sendmsg (net/socket.c:2767)
[  585.764914][T11948]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  585.764916][T11948]  ? copy_msghdr_from_user (net/socket.c:2619)
[  585.764918][T11948]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  585.764923][T11948]  __sys_sendmsg (net/socket.c:2799)
[  585.764925][T11948]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  585.764928][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764929][T11948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.764931][T11948]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  585.764933][T11948]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  585.764936][T11948]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  585.764937][T11948] RIP: 0033:0x7f744807854e
[  585.764940][T11948] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  585.764941][T11948] RSP: 002b:00007fff43b26220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  585.764945][T11948] RAX: ffffffffffffffda RBX: 00007fff43b269e8 RCX: 00007f744807854e
[  585.764947][T11948] RDX: 0000000000000000 RSI: 00007fff43b262d0 RDI: 0000000000000005
[  585.764948][T11948] RBP: 00007fff43b26230 R08: 0000000000000000 R09: 0000000000000000
[  585.764949][T11948] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bf8
[  585.764950][T11948] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff43b269a0
| [  587.152665][T12017] softirqs last disabled at (0): 0x0
| [  587.152667][T12017] Preemption disabled at:
| [  587.152668][T12017] vprintk_emit (kernel/printk/printk.c:2471)
| [  587.152679][T12017] Tainted: [W]=WARN
[  587.152680][T12017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  587.152681][T12017] Call Trace:
[  587.152683][T12017]  <TASK>
[  587.152684][T12017]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  587.152689][T12017]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  587.152691][T12017]  __might_resched.cold (kernel/sched/core.c:9234)
[  587.152695][T12017]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  587.152698][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152701][T12017]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  587.152704][T12017]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  587.152707][T12017]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  587.152712][T12017]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  587.152714][T12017]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  587.152717][T12017]  put_chars (drivers/char/virtio_console.c:1176)
[  587.152719][T12017]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  587.152720][T12017]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  587.152722][T12017]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  587.152725][T12017]  ? pointer (lib/vsprintf.c:2577)
[  587.152728][T12017]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  587.152733][T12017]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  587.152735][T12017]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  587.152737][T12017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.152740][T12017]  console_emit_next_record (kernel/printk/printk.c:3183)
[  587.152742][T12017]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  587.152745][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152746][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152747][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152748][T12017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.152750][T12017]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  587.152752][T12017]  console_flush_one_record (kernel/printk/printk.c:3268)
[  587.152754][T12017]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  587.152757][T12017]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  587.152759][T12017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.152760][T12017]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  587.152762][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152763][T12017]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  587.152765][T12017]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  587.152766][T12017]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  587.152768][T12017]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  587.152770][T12017]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  587.152772][T12017]  vprintk_emit (kernel/printk/printk.c:2479)
[  587.152774][T12017]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  587.152775][T12017]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  587.152777][T12017]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  587.152780][T12017]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  587.152783][T12017]  _printk (kernel/printk/printk.c:2504)
[  587.152786][T12017]  ? snapshot_read.cold (user.c:?)
[  587.152788][T12017]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  587.152790][T12017]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  587.152794][T12017]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  587.152796][T12017]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  587.152799][T12017]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  587.152801][T12017]  ? netdev_notice (net/core/dev.c:13194)
[  587.152803][T12017]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  587.152805][T12017]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  587.152807][T12017]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  587.152809][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152810][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152811][T12017]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  587.152813][T12017]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  587.152815][T12017]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  587.152816][T12017]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  587.152817][T12017]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  587.152819][T12017]  ? register_netdev (net/core/dev.c:11618)
[  587.152821][T12017]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  587.152823][T12017]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  587.152826][T12017]  ? __kernel_text_address (kernel/extable.c:79)
[  587.152828][T12017]  ? write_profile (profile.c:?)
[  587.152831][T12017]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  587.152835][T12017]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  587.152837][T12017]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  587.152839][T12017]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  587.152840][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152841][T12017]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  587.152845][T12017]  ? kasan_save_stack (mm/kasan/common.c:58)
[  587.152847][T12017]  ? kasan_save_stack (mm/kasan/common.c:57)
[  587.152849][T12017]  ? kasan_save_track (mm/kasan/common.c:78)
[  587.152850][T12017]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  587.152851][T12017]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  587.152852][T12017]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  587.152853][T12017]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  587.152855][T12017]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  587.152858][T12017]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  587.152859][T12017]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  587.152861][T12017]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  587.152864][T12017]  ? ____sys_sendmsg (net/socket.c:2713)
[  587.152865][T12017]  ? ___sys_sendmsg (net/socket.c:2767)
[  587.152866][T12017]  ? __sys_sendmsg (net/socket.c:2799)
[  587.152868][T12017]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  587.152871][T12017]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  587.152873][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152874][T12017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.152876][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152877][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152878][T12017]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  587.152880][T12017]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  587.152881][T12017]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  587.152882][T12017]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  587.152884][T12017]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  587.152885][T12017]  ? nla_get_range_signed (lib/nlattr.c:270)
[  587.152888][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152890][T12017]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  587.152892][T12017]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  587.152894][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152895][T12017]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  587.152897][T12017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.152898][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152900][T12017]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  587.152902][T12017]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  587.152904][T12017]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  587.152905][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152907][T12017]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  587.152910][T12017]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  587.152912][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152914][T12017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.152915][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152917][T12017]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  587.152918][T12017]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  587.152920][T12017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  587.152921][T12017]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  587.152923][T12017]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  587.152925][T12017]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  587.152927][T12017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  587.152929][T12017]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  587.152930][T12017]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  587.152932][T12017]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  587.152935][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152936][T12017]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  587.152939][T12017]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  587.152941][T12017]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  587.152943][T12017]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  587.152945][T12017]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  587.152947][T12017]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  587.152949][T12017]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  587.152951][T12017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.152952][T12017]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  587.152956][T12017]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  587.152958][T12017]  ____sys_sendmsg (net/socket.c:2713)
[  587.152959][T12017]  ? copy_msghdr_from_user (net/socket.c:2650)
[  587.152961][T12017]  ? sock_write_iter (net/socket.c:1269)
[  587.152963][T12017]  ? move_addr_to_kernel (net/socket.c:258)
[  587.152964][T12017]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  587.152967][T12017]  ___sys_sendmsg (net/socket.c:2767)
[  587.152969][T12017]  ? copy_msghdr_from_user (net/socket.c:2619)
[  587.152974][T12017]  __sys_sendmsg (net/socket.c:2799)
[  587.152976][T12017]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  587.152979][T12017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.152981][T12017]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  587.152982][T12017]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  587.152984][T12017]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  587.152986][T12017] RIP: 0033:0x7f8235afa54e
[  587.152988][T12017] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  587.152990][T12017] RSP: 002b:00007ffecb42d1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  587.152994][T12017] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8235afa54e
[  587.152995][T12017] RDX: 0000000000000000 RSI: 00007ffecb42d2a0 RDI: 0000000000000005
[  587.152996][T12017] RBP: 00007ffecb42d200 R08: 0000000000000000 R09: 0000000000000000
[  587.152997][T12017] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bf9
[  587.152998][T12017] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecb42d960
| [  588.299566][T12074] softirqs last disabled at (0): 0x0
| [  588.299568][T12074] Preemption disabled at:
| [  588.299569][T12074] vprintk_emit (kernel/printk/printk.c:2471)
| [  588.299579][T12074] Tainted: [W]=WARN
[  588.299580][T12074] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  588.299581][T12074] Call Trace:
[  588.299583][T12074]  <TASK>
[  588.299584][T12074]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  588.299590][T12074]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  588.299591][T12074]  __might_resched.cold (kernel/sched/core.c:9234)
[  588.299595][T12074]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  588.299598][T12074]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  588.299601][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299604][T12074]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  588.299607][T12074]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  588.299610][T12074]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  588.299615][T12074]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  588.299617][T12074]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  588.299620][T12074]  put_chars (drivers/char/virtio_console.c:1176)
[  588.299622][T12074]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  588.299624][T12074]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  588.299626][T12074]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  588.299631][T12074]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  588.299633][T12074]  ? vsnprintf (lib/vsprintf.c:2900)
[  588.299636][T12074]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  588.299638][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299639][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299641][T12074]  console_emit_next_record (kernel/printk/printk.c:3183)
[  588.299644][T12074]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  588.299646][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299647][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299648][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299649][T12074]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.299652][T12074]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  588.299654][T12074]  console_flush_one_record (kernel/printk/printk.c:3268)
[  588.299656][T12074]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  588.299659][T12074]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  588.299661][T12074]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.299663][T12074]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  588.299665][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299666][T12074]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  588.299667][T12074]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  588.299669][T12074]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  588.299670][T12074]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  588.299672][T12074]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  588.299674][T12074]  vprintk_emit (kernel/printk/printk.c:2479)
[  588.299676][T12074]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  588.299677][T12074]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  588.299679][T12074]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  588.299682][T12074]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.299683][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299685][T12074]  _printk (kernel/printk/printk.c:2504)
[  588.299688][T12074]  ? snapshot_read.cold (user.c:?)
[  588.299690][T12074]  ? br_multicast_flood (??:?)
[  588.299694][T12074]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  588.299697][T12074]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  588.299698][T12074]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  588.299700][T12074]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  588.299703][T12074]  br_init_port (net/bridge/br_stp_if.c:39)
[  588.299705][T12074]  new_nbp (net/bridge/br_if.c:449)
[  588.299707][T12074]  br_add_if (net/bridge/br_if.c:592)
[  588.299709][T12074]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  588.299713][T12074]  do_set_master (net/core/rtnetlink.c:3071)
[  588.299715][T12074]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  588.299717][T12074]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  588.299719][T12074]  ? __dev_get_by_name (net/core/dev.c:905)
[  588.299721][T12074]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  588.299724][T12074]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  588.299727][T12074]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  588.299729][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299730][T12074]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  588.299732][T12074]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.299733][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299735][T12074]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  588.299738][T12074]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  588.299739][T12074]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  588.299742][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299743][T12074]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.299745][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299746][T12074]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  588.299747][T12074]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  588.299749][T12074]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  588.299751][T12074]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  588.299752][T12074]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  588.299756][T12074]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  588.299759][T12074]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  588.299761][T12074]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  588.299763][T12074]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  588.299764][T12074]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  588.299767][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299768][T12074]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  588.299771][T12074]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  588.299773][T12074]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  588.299775][T12074]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  588.299778][T12074]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  588.299781][T12074]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  588.299783][T12074]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  588.299785][T12074]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.299787][T12074]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  588.299790][T12074]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  588.299793][T12074]  ____sys_sendmsg (net/socket.c:2713)
[  588.299795][T12074]  ? copy_msghdr_from_user (net/socket.c:2650)
[  588.299797][T12074]  ? sock_write_iter (net/socket.c:1269)
[  588.299799][T12074]  ? move_addr_to_kernel (net/socket.c:258)
[  588.299801][T12074]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  588.299803][T12074]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.299805][T12074]  ___sys_sendmsg (net/socket.c:2767)
[  588.299807][T12074]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  588.299809][T12074]  ? copy_msghdr_from_user (net/socket.c:2619)
[  588.299811][T12074]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  588.299815][T12074]  __sys_sendmsg (net/socket.c:2799)
[  588.299818][T12074]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  588.299821][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299822][T12074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.299823][T12074]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  588.299826][T12074]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  588.299828][T12074]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  588.299830][T12074] RIP: 0033:0x7fb3dd47e54e
[  588.299832][T12074] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  588.299834][T12074] RSP: 002b:00007ffc17973300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  588.299838][T12074] RAX: ffffffffffffffda RBX: 00007ffc17973ac8 RCX: 00007fb3dd47e54e
[  588.299839][T12074] RDX: 0000000000000000 RSI: 00007ffc179733b0 RDI: 0000000000000005
[  588.299840][T12074] RBP: 00007ffc17973310 R08: 0000000000000000 R09: 0000000000000000
[  588.299841][T12074] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bfa
[  588.299842][T12074] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc17973a80
| [  594.341587][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  594.341590][   T12] Preemption disabled at:
| [  594.341591][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  594.341600][   T12] Tainted: [W]=WARN
[  594.341601][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  594.341603][   T12] Workqueue: netns cleanup_net
[  594.341609][   T12] Call Trace:
[  594.341611][   T12]  <TASK>
[  594.341612][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  594.341617][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  594.341619][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  594.341623][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  594.341625][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  594.341628][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.341630][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  594.341634][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  594.341636][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  594.341641][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  594.341643][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  594.341645][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  594.341647][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  594.341649][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  594.341652][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  594.341657][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  594.341659][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  594.341662][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  594.341664][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.341665][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.341667][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  594.341670][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  594.341672][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.341673][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.341674][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.341675][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.341678][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  594.341680][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  594.341682][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  594.341685][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  594.341687][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.341689][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  594.341690][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.341692][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  594.341693][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  594.341695][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  594.341696][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  594.341698][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  594.341700][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  594.341701][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  594.341703][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  594.341704][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  594.341707][   T12]  ? kthread (kernel/kthread.c:436)
[  594.341709][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  594.341712][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  594.341715][   T12]  _printk (kernel/printk/printk.c:2504)
[  594.341718][   T12]  ? snapshot_read.cold (user.c:?)
[  594.341721][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  594.341724][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  594.341726][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  594.341729][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  594.341731][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.341733][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  594.341734][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  594.341737][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  594.341739][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  594.341740][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  594.341743][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  594.341746][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  594.341750][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  594.341752][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  594.341755][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  594.341757][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  594.341759][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  594.341762][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  594.341764][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  594.341766][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.341768][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.341769][   T12]  process_one_work (kernel/workqueue.c:3387)
[  594.341772][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  594.341775][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  594.341778][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  594.341781][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  594.341783][   T12]  kthread (kernel/kthread.c:436)
[  594.341785][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  594.341786][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  594.341788][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  594.341790][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  594.341792][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  594.341795][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  594.341798][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  595.631337][T12208] softirqs last disabled at (0): 0x0
| [  595.631340][T12208] Preemption disabled at:
| [  595.631342][T12208] vprintk_emit (kernel/printk/printk.c:2471)
| [  595.631355][T12208] Tainted: [W]=WARN
[  595.631356][T12208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  595.631359][T12208] Call Trace:
[  595.631361][T12208]  <TASK>
[  595.631363][T12208]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  595.631370][T12208]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  595.631372][T12208]  __might_resched.cold (kernel/sched/core.c:9234)
[  595.631376][T12208]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  595.631379][T12208]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  595.631383][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631387][T12208]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  595.631391][T12208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  595.631395][T12208]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  595.631402][T12208]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  595.631405][T12208]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  595.631408][T12208]  put_chars (drivers/char/virtio_console.c:1176)
[  595.631411][T12208]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  595.631414][T12208]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  595.631418][T12208]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  595.631424][T12208]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  595.631426][T12208]  ? vsnprintf (lib/vsprintf.c:2900)
[  595.631430][T12208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  595.631433][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631435][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631438][T12208]  console_emit_next_record (kernel/printk/printk.c:3183)
[  595.631442][T12208]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  595.631445][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631446][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631448][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631450][T12208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.631454][T12208]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  595.631457][T12208]  console_flush_one_record (kernel/printk/printk.c:3268)
[  595.631461][T12208]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  595.631465][T12208]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  595.631468][T12208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.631470][T12208]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  595.631473][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631475][T12208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  595.631477][T12208]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  595.631479][T12208]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  595.631482][T12208]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  595.631484][T12208]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  595.631487][T12208]  vprintk_emit (kernel/printk/printk.c:2479)
[  595.631490][T12208]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  595.631492][T12208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  595.631495][T12208]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  595.631499][T12208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.631501][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631504][T12208]  _printk (kernel/printk/printk.c:2504)
[  595.631507][T12208]  ? snapshot_read.cold (user.c:?)
[  595.631511][T12208]  ? br_multicast_flood (??:?)
[  595.631515][T12208]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  595.631519][T12208]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  595.631521][T12208]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  595.631524][T12208]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  595.631528][T12208]  br_init_port (net/bridge/br_stp_if.c:39)
[  595.631531][T12208]  new_nbp (net/bridge/br_if.c:449)
[  595.631534][T12208]  br_add_if (net/bridge/br_if.c:592)
[  595.631537][T12208]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  595.631543][T12208]  do_set_master (net/core/rtnetlink.c:3071)
[  595.631546][T12208]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  595.631550][T12208]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  595.631552][T12208]  ? __dev_get_by_name (net/core/dev.c:905)
[  595.631555][T12208]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  595.631560][T12208]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  595.631565][T12208]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  595.631568][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631570][T12208]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  595.631573][T12208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.631575][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631577][T12208]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  595.631581][T12208]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  595.631584][T12208]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  595.631587][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631589][T12208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.631591][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631594][T12208]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  595.631596][T12208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  595.631599][T12208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  595.631601][T12208]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  595.631604][T12208]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  595.631610][T12208]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  595.631614][T12208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  595.631616][T12208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  595.631618][T12208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  595.631621][T12208]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  595.631625][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631627][T12208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  595.631630][T12208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  595.631634][T12208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  595.631637][T12208]  ? next_uptodate_folio (mm/filemap.c:3747)
[  595.631641][T12208]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  595.631645][T12208]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  595.631648][T12208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.631650][T12208]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  595.631655][T12208]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  595.631659][T12208]  ____sys_sendmsg (net/socket.c:2713)
[  595.631662][T12208]  ? copy_msghdr_from_user (net/socket.c:2650)
[  595.631664][T12208]  ? sock_write_iter (net/socket.c:1269)
[  595.631667][T12208]  ? move_addr_to_kernel (net/socket.c:258)
[  595.631670][T12208]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  595.631674][T12208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.631677][T12208]  ___sys_sendmsg (net/socket.c:2767)
[  595.631679][T12208]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  595.631682][T12208]  ? copy_msghdr_from_user (net/socket.c:2619)
[  595.631685][T12208]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  595.631692][T12208]  __sys_sendmsg (net/socket.c:2799)
[  595.631696][T12208]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  595.631700][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631702][T12208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.631705][T12208]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  595.631708][T12208]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  595.631711][T12208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  595.631714][T12208] RIP: 0033:0x7f30bfff654e
[  595.631717][T12208] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  595.631720][T12208] RSP: 002b:00007ffe76a7ed20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  595.631724][T12208] RAX: ffffffffffffffda RBX: 00007ffe76a7f4e8 RCX: 00007f30bfff654e
[  595.631726][T12208] RDX: 0000000000000000 RSI: 00007ffe76a7edd0 RDI: 0000000000000005
[  595.631728][T12208] RBP: 00007ffe76a7ed30 R08: 0000000000000000 R09: 0000000000000000
[  595.631730][T12208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c02
[  595.631731][T12208] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe76a7f4a0
| [  597.110844][T12277] softirqs last disabled at (0): 0x0
| [  597.110847][T12277] Preemption disabled at:
| [  597.110849][T12277] vprintk_emit (kernel/printk/printk.c:2471)
| [  597.110862][T12277] Tainted: [W]=WARN
[  597.110863][T12277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  597.110866][T12277] Call Trace:
[  597.110868][T12277]  <TASK>
[  597.110870][T12277]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  597.110877][T12277]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  597.110879][T12277]  __might_resched.cold (kernel/sched/core.c:9234)
[  597.110885][T12277]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  597.110889][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.110893][T12277]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  597.110897][T12277]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  597.110901][T12277]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  597.110908][T12277]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  597.110911][T12277]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  597.110915][T12277]  put_chars (drivers/char/virtio_console.c:1176)
[  597.110918][T12277]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  597.110920][T12277]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  597.110924][T12277]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  597.110927][T12277]  ? pointer (lib/vsprintf.c:2577)
[  597.110933][T12277]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  597.110939][T12277]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  597.110942][T12277]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  597.110945][T12277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.110950][T12277]  console_emit_next_record (kernel/printk/printk.c:3183)
[  597.110954][T12277]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  597.110957][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.110959][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.110961][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.110963][T12277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.110967][T12277]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  597.110970][T12277]  console_flush_one_record (kernel/printk/printk.c:3268)
[  597.110974][T12277]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  597.110979][T12277]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  597.110981][T12277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.110984][T12277]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  597.110987][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.110989][T12277]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  597.110992][T12277]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  597.110994][T12277]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  597.110997][T12277]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  597.111000][T12277]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  597.111003][T12277]  vprintk_emit (kernel/printk/printk.c:2479)
[  597.111006][T12277]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  597.111008][T12277]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  597.111012][T12277]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  597.111016][T12277]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  597.111020][T12277]  _printk (kernel/printk/printk.c:2504)
[  597.111025][T12277]  ? snapshot_read.cold (user.c:?)
[  597.111028][T12277]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  597.111032][T12277]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  597.111036][T12277]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  597.111039][T12277]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  597.111044][T12277]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  597.111047][T12277]  ? netdev_notice (net/core/dev.c:13194)
[  597.111051][T12277]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  597.111054][T12277]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  597.111058][T12277]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  597.111060][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111062][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111065][T12277]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  597.111072][T12277]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  597.111076][T12277]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  597.111079][T12277]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  597.111082][T12277]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  597.111086][T12277]  ? register_netdev (net/core/dev.c:11618)
[  597.111088][T12277]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  597.111092][T12277]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  597.111096][T12277]  ? __kernel_text_address (kernel/extable.c:79)
[  597.111099][T12277]  ? write_profile (profile.c:?)
[  597.111104][T12277]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  597.111109][T12277]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  597.111113][T12277]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  597.111116][T12277]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  597.111118][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111120][T12277]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  597.111125][T12277]  ? kasan_save_stack (mm/kasan/common.c:58)
[  597.111128][T12277]  ? kasan_save_stack (mm/kasan/common.c:57)
[  597.111130][T12277]  ? kasan_save_track (mm/kasan/common.c:78)
[  597.111132][T12277]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  597.111134][T12277]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  597.111137][T12277]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  597.111139][T12277]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  597.111141][T12277]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  597.111146][T12277]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  597.111148][T12277]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  597.111151][T12277]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  597.111154][T12277]  ? ____sys_sendmsg (net/socket.c:2713)
[  597.111157][T12277]  ? ___sys_sendmsg (net/socket.c:2767)
[  597.111160][T12277]  ? __sys_sendmsg (net/socket.c:2799)
[  597.111163][T12277]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  597.111166][T12277]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  597.111171][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111173][T12277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.111176][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111178][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111180][T12277]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  597.111183][T12277]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  597.111185][T12277]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  597.111188][T12277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  597.111191][T12277]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  597.111193][T12277]  ? nla_get_range_signed (lib/nlattr.c:270)
[  597.111198][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111201][T12277]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  597.111204][T12277]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  597.111208][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111211][T12277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  597.111213][T12277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.111216][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111218][T12277]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  597.111222][T12277]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  597.111225][T12277]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  597.111228][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111237][T12277]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  597.111242][T12277]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  597.111245][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111248][T12277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.111251][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111253][T12277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  597.111256][T12277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  597.111259][T12277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  597.111261][T12277]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  597.111264][T12277]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  597.111269][T12277]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  597.111272][T12277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  597.111274][T12277]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  597.111277][T12277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  597.111280][T12277]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  597.111285][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111287][T12277]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  597.111291][T12277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  597.111295][T12277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  597.111298][T12277]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  597.111301][T12277]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  597.111305][T12277]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  597.111308][T12277]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  597.111311][T12277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.111314][T12277]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  597.111319][T12277]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  597.111322][T12277]  ____sys_sendmsg (net/socket.c:2713)
[  597.111325][T12277]  ? copy_msghdr_from_user (net/socket.c:2650)
[  597.111328][T12277]  ? sock_write_iter (net/socket.c:1269)
[  597.111331][T12277]  ? move_addr_to_kernel (net/socket.c:258)
[  597.111334][T12277]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  597.111339][T12277]  ___sys_sendmsg (net/socket.c:2767)
[  597.111342][T12277]  ? copy_msghdr_from_user (net/socket.c:2619)
[  597.111350][T12277]  __sys_sendmsg (net/socket.c:2799)
[  597.111354][T12277]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  597.111359][T12277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.111362][T12277]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  597.111365][T12277]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  597.111368][T12277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  597.111371][T12277] RIP: 0033:0x7f4104cd054e
[  597.111374][T12277] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  597.111377][T12277] RSP: 002b:00007ffedd3de320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  597.111382][T12277] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4104cd054e
[  597.111384][T12277] RDX: 0000000000000000 RSI: 00007ffedd3de3d0 RDI: 0000000000000005
[  597.111386][T12277] RBP: 00007ffedd3de330 R08: 0000000000000000 R09: 0000000000000000
[  597.111388][T12277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c03
[  597.111390][T12277] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedd3dea90
| [  598.363804][T12334] softirqs last disabled at (0): 0x0
| [  598.363806][T12334] Preemption disabled at:
| [  598.363807][T12334] vprintk_emit (kernel/printk/printk.c:2471)
| [  598.363817][T12334] Tainted: [W]=WARN
[  598.363818][T12334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  598.363820][T12334] Call Trace:
[  598.363821][T12334]  <TASK>
[  598.363823][T12334]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  598.363828][T12334]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  598.363830][T12334]  __might_resched.cold (kernel/sched/core.c:9234)
[  598.363834][T12334]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  598.363836][T12334]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  598.363840][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.363842][T12334]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  598.363845][T12334]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  598.363849][T12334]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  598.363854][T12334]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  598.363856][T12334]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  598.363858][T12334]  put_chars (drivers/char/virtio_console.c:1176)
[  598.363860][T12334]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  598.363862][T12334]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  598.363865][T12334]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  598.363870][T12334]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  598.363872][T12334]  ? vsnprintf (lib/vsprintf.c:2900)
[  598.363875][T12334]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  598.363877][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.363878][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.363880][T12334]  console_emit_next_record (kernel/printk/printk.c:3183)
[  598.363883][T12334]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  598.363885][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.363886][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.363887][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.363888][T12334]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.363891][T12334]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  598.363893][T12334]  console_flush_one_record (kernel/printk/printk.c:3268)
[  598.363895][T12334]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  598.363898][T12334]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  598.363900][T12334]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.363902][T12334]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  598.363904][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.363905][T12334]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  598.363906][T12334]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  598.363908][T12334]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  598.363909][T12334]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  598.363911][T12334]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  598.363913][T12334]  vprintk_emit (kernel/printk/printk.c:2479)
[  598.363915][T12334]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  598.363916][T12334]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  598.363918][T12334]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  598.363921][T12334]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.363923][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.363924][T12334]  _printk (kernel/printk/printk.c:2504)
[  598.363927][T12334]  ? snapshot_read.cold (user.c:?)
[  598.363929][T12334]  ? br_multicast_flood (??:?)
[  598.363933][T12334]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  598.363936][T12334]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  598.363937][T12334]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  598.363939][T12334]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  598.363942][T12334]  br_init_port (net/bridge/br_stp_if.c:39)
[  598.363944][T12334]  new_nbp (net/bridge/br_if.c:449)
[  598.363946][T12334]  br_add_if (net/bridge/br_if.c:592)
[  598.363948][T12334]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  598.363953][T12334]  do_set_master (net/core/rtnetlink.c:3071)
[  598.363955][T12334]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  598.363957][T12334]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  598.363958][T12334]  ? __dev_get_by_name (net/core/dev.c:905)
[  598.363960][T12334]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  598.363964][T12334]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  598.363967][T12334]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  598.363969][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.363970][T12334]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.363971][T12334]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.363973][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.363974][T12334]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  598.363977][T12334]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  598.363979][T12334]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  598.363982][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.363983][T12334]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.363984][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.363986][T12334]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.363987][T12334]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  598.363989][T12334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  598.363991][T12334]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  598.363992][T12334]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  598.363996][T12334]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  598.364000][T12334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  598.364001][T12334]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  598.364003][T12334]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  598.364004][T12334]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  598.364007][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.364009][T12334]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  598.364011][T12334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  598.364013][T12334]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  598.364015][T12334]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  598.364018][T12334]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  598.364021][T12334]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  598.364023][T12334]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  598.364026][T12334]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.364027][T12334]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  598.364031][T12334]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  598.364034][T12334]  ____sys_sendmsg (net/socket.c:2713)
[  598.364037][T12334]  ? copy_msghdr_from_user (net/socket.c:2650)
[  598.364040][T12334]  ? sock_write_iter (net/socket.c:1269)
[  598.364042][T12334]  ? move_addr_to_kernel (net/socket.c:258)
[  598.364046][T12334]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  598.364048][T12334]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.364051][T12334]  ___sys_sendmsg (net/socket.c:2767)
[  598.364052][T12334]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  598.364054][T12334]  ? copy_msghdr_from_user (net/socket.c:2619)
[  598.364056][T12334]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  598.364061][T12334]  __sys_sendmsg (net/socket.c:2799)
[  598.364063][T12334]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  598.364066][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.364070][T12334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.364073][T12334]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  598.364075][T12334]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  598.364077][T12334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  598.364080][T12334] RIP: 0033:0x7fd163bae54e
[  598.364082][T12334] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  598.364084][T12334] RSP: 002b:00007ffc531871e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  598.364088][T12334] RAX: ffffffffffffffda RBX: 00007ffc531879a8 RCX: 00007fd163bae54e
[  598.364089][T12334] RDX: 0000000000000000 RSI: 00007ffc53187290 RDI: 0000000000000005
[  598.364090][T12334] RBP: 00007ffc531871f0 R08: 0000000000000000 R09: 0000000000000000
[  598.364091][T12334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c04
[  598.364092][T12334] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc53187960
| [  604.501226][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  604.501229][   T12] Preemption disabled at:
| [  604.501230][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  604.501239][   T12] Tainted: [W]=WARN
[  604.501240][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  604.501242][   T12] Workqueue: netns cleanup_net
[  604.501248][   T12] Call Trace:
[  604.501249][   T12]  <TASK>
[  604.501251][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  604.501257][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  604.501258][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  604.501262][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  604.501264][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  604.501267][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.501270][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  604.501273][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  604.501281][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  604.501285][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  604.501287][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  604.501290][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  604.501292][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  604.501293][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  604.501296][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  604.501301][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  604.501303][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  604.501306][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  604.501308][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.501309][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.501311][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  604.501314][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  604.501316][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.501317][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.501319][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.501320][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.501322][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  604.501324][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  604.501327][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  604.501330][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  604.501332][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.501334][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  604.501336][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.501337][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  604.501339][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  604.501340][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  604.501342][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  604.501344][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  604.501345][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  604.501347][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  604.501348][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  604.501350][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  604.501353][   T12]  ? kthread (kernel/kthread.c:436)
[  604.501355][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  604.501358][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  604.501361][   T12]  _printk (kernel/printk/printk.c:2504)
[  604.501364][   T12]  ? snapshot_read.cold (user.c:?)
[  604.501367][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  604.501370][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  604.501372][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  604.501375][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  604.501377][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.501378][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  604.501380][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  604.501383][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  604.501384][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  604.501386][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  604.501388][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  604.501391][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  604.501395][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  604.501397][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  604.501400][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  604.501402][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  604.501404][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  604.501407][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  604.501409][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  604.501411][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  604.501413][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.501415][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.501417][   T12]  process_one_work (kernel/workqueue.c:3387)
[  604.501420][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  604.501423][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  604.501425][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  604.501428][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  604.501430][   T12]  kthread (kernel/kthread.c:436)
[  604.501432][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  604.501434][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  604.501436][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  604.501437][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  604.501440][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  604.501443][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  604.501445][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  605.961345][T12469] softirqs last disabled at (0): 0x0
| [  605.961347][T12469] Preemption disabled at:
| [  605.961347][T12469] vprintk_emit (kernel/printk/printk.c:2471)
| [  605.961357][T12469] Tainted: [W]=WARN
[  605.961358][T12469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  605.961360][T12469] Call Trace:
[  605.961362][T12469]  <TASK>
[  605.961363][T12469]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  605.961369][T12469]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  605.961370][T12469]  __might_resched.cold (kernel/sched/core.c:9234)
[  605.961374][T12469]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  605.961376][T12469]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  605.961380][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961382][T12469]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  605.961385][T12469]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  605.961389][T12469]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.961394][T12469]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  605.961395][T12469]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.961398][T12469]  put_chars (drivers/char/virtio_console.c:1176)
[  605.961400][T12469]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  605.961401][T12469]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  605.961404][T12469]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  605.961409][T12469]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  605.961411][T12469]  ? vsnprintf (lib/vsprintf.c:2900)
[  605.961414][T12469]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  605.961416][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961417][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961419][T12469]  console_emit_next_record (kernel/printk/printk.c:3183)
[  605.961422][T12469]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  605.961424][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961425][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961426][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961427][T12469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.961430][T12469]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  605.961432][T12469]  console_flush_one_record (kernel/printk/printk.c:3268)
[  605.961434][T12469]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  605.961437][T12469]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  605.961439][T12469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.961441][T12469]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  605.961443][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961444][T12469]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  605.961446][T12469]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  605.961447][T12469]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  605.961449][T12469]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  605.961451][T12469]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  605.961452][T12469]  vprintk_emit (kernel/printk/printk.c:2479)
[  605.961454][T12469]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  605.961455][T12469]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  605.961457][T12469]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  605.961460][T12469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.961462][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961463][T12469]  _printk (kernel/printk/printk.c:2504)
[  605.961466][T12469]  ? snapshot_read.cold (user.c:?)
[  605.961469][T12469]  ? br_multicast_flood (??:?)
[  605.961472][T12469]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  605.961475][T12469]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  605.961476][T12469]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  605.961478][T12469]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  605.961481][T12469]  br_init_port (net/bridge/br_stp_if.c:39)
[  605.961483][T12469]  new_nbp (net/bridge/br_if.c:449)
[  605.961485][T12469]  br_add_if (net/bridge/br_if.c:592)
[  605.961487][T12469]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  605.961492][T12469]  do_set_master (net/core/rtnetlink.c:3071)
[  605.961494][T12469]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  605.961496][T12469]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  605.961497][T12469]  ? __dev_get_by_name (net/core/dev.c:905)
[  605.961499][T12469]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  605.961503][T12469]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  605.961505][T12469]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  605.961507][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961509][T12469]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.961510][T12469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.961512][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961513][T12469]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  605.961516][T12469]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  605.961518][T12469]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  605.961520][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961521][T12469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.961523][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961524][T12469]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.961526][T12469]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  605.961528][T12469]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  605.961529][T12469]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  605.961531][T12469]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  605.961534][T12469]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  605.961538][T12469]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  605.961540][T12469]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  605.961541][T12469]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  605.961543][T12469]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  605.961546][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961547][T12469]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  605.961549][T12469]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  605.961552][T12469]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  605.961554][T12469]  ? next_uptodate_folio (mm/filemap.c:3747)
[  605.961557][T12469]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  605.961559][T12469]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  605.961561][T12469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.961563][T12469]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  605.961566][T12469]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  605.961569][T12469]  ____sys_sendmsg (net/socket.c:2713)
[  605.961571][T12469]  ? copy_msghdr_from_user (net/socket.c:2650)
[  605.961573][T12469]  ? sock_write_iter (net/socket.c:1269)
[  605.961574][T12469]  ? move_addr_to_kernel (net/socket.c:258)
[  605.961577][T12469]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  605.961579][T12469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.961581][T12469]  ___sys_sendmsg (net/socket.c:2767)
[  605.961583][T12469]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  605.961584][T12469]  ? copy_msghdr_from_user (net/socket.c:2619)
[  605.961586][T12469]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  605.961591][T12469]  __sys_sendmsg (net/socket.c:2799)
[  605.961593][T12469]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  605.961596][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961597][T12469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.961599][T12469]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  605.961601][T12469]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  605.961603][T12469]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  605.961605][T12469] RIP: 0033:0x7fe60154954e
[  605.961608][T12469] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  605.961610][T12469] RSP: 002b:00007ffc47a52e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  605.961613][T12469] RAX: ffffffffffffffda RBX: 00007ffc47a535f8 RCX: 00007fe60154954e
[  605.961615][T12469] RDX: 0000000000000000 RSI: 00007ffc47a52ee0 RDI: 0000000000000005
[  605.961616][T12469] RBP: 00007ffc47a52e40 R08: 0000000000000000 R09: 0000000000000000
[  605.961617][T12469] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c0c
[  605.961618][T12469] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc47a535b0
| [  607.850534][T12538] softirqs last disabled at (0): 0x0
| [  607.850537][T12538] Preemption disabled at:
| [  607.850538][T12538] vprintk_emit (kernel/printk/printk.c:2471)
| [  607.850551][T12538] Tainted: [W]=WARN
[  607.850552][T12538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  607.850555][T12538] Call Trace:
[  607.850557][T12538]  <TASK>
[  607.850559][T12538]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  607.850566][T12538]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  607.850568][T12538]  __might_resched.cold (kernel/sched/core.c:9234)
[  607.850573][T12538]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  607.850577][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850581][T12538]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  607.850585][T12538]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  607.850589][T12538]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  607.850595][T12538]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  607.850597][T12538]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  607.850601][T12538]  put_chars (drivers/char/virtio_console.c:1176)
[  607.850604][T12538]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  607.850606][T12538]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  607.850609][T12538]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  607.850612][T12538]  ? pointer (lib/vsprintf.c:2577)
[  607.850617][T12538]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  607.850623][T12538]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  607.850626][T12538]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  607.850629][T12538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.850633][T12538]  console_emit_next_record (kernel/printk/printk.c:3183)
[  607.850637][T12538]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  607.850640][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850642][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850644][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850646][T12538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.850649][T12538]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  607.850652][T12538]  console_flush_one_record (kernel/printk/printk.c:3268)
[  607.850656][T12538]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  607.850660][T12538]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  607.850663][T12538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.850666][T12538]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  607.850668][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850670][T12538]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  607.850672][T12538]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  607.850674][T12538]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  607.850677][T12538]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  607.850680][T12538]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  607.850683][T12538]  vprintk_emit (kernel/printk/printk.c:2479)
[  607.850685][T12538]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  607.850687][T12538]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  607.850691][T12538]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  607.850695][T12538]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  607.850699][T12538]  _printk (kernel/printk/printk.c:2504)
[  607.850704][T12538]  ? snapshot_read.cold (user.c:?)
[  607.850707][T12538]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  607.850711][T12538]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  607.850715][T12538]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  607.850718][T12538]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  607.850722][T12538]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  607.850726][T12538]  ? netdev_notice (net/core/dev.c:13194)
[  607.850729][T12538]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  607.850732][T12538]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  607.850735][T12538]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  607.850738][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850739][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850741][T12538]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  607.850744][T12538]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  607.850746][T12538]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  607.850748][T12538]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  607.850750][T12538]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  607.850753][T12538]  ? register_netdev (net/core/dev.c:11618)
[  607.850755][T12538]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  607.850758][T12538]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  607.850762][T12538]  ? __kernel_text_address (kernel/extable.c:79)
[  607.850765][T12538]  ? write_profile (profile.c:?)
[  607.850769][T12538]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  607.850774][T12538]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  607.850777][T12538]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  607.850780][T12538]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  607.850782][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850785][T12538]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  607.850789][T12538]  ? kasan_save_stack (mm/kasan/common.c:58)
[  607.850792][T12538]  ? kasan_save_stack (mm/kasan/common.c:57)
[  607.850794][T12538]  ? kasan_save_track (mm/kasan/common.c:78)
[  607.850796][T12538]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  607.850798][T12538]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  607.850800][T12538]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  607.850801][T12538]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  607.850803][T12538]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  607.850807][T12538]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  607.850809][T12538]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  607.850812][T12538]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  607.850815][T12538]  ? ____sys_sendmsg (net/socket.c:2713)
[  607.850817][T12538]  ? ___sys_sendmsg (net/socket.c:2767)
[  607.850820][T12538]  ? __sys_sendmsg (net/socket.c:2799)
[  607.850822][T12538]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  607.850826][T12538]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  607.850830][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850832][T12538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.850834][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850836][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850838][T12538]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  607.850840][T12538]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  607.850842][T12538]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  607.850845][T12538]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  607.850848][T12538]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  607.850850][T12538]  ? nla_get_range_signed (lib/nlattr.c:270)
[  607.850855][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850858][T12538]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  607.850861][T12538]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  607.850865][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850867][T12538]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  607.850869][T12538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.850872][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850874][T12538]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  607.850877][T12538]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  607.850880][T12538]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  607.850882][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850884][T12538]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  607.850888][T12538]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  607.850891][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850893][T12538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.850895][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850897][T12538]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  607.850899][T12538]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  607.850902][T12538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  607.850904][T12538]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  607.850907][T12538]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  607.850911][T12538]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  607.850913][T12538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  607.850915][T12538]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  607.850918][T12538]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  607.850921][T12538]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  607.850925][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850928][T12538]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  607.850931][T12538]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  607.850935][T12538]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  607.850938][T12538]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  607.850941][T12538]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  607.850945][T12538]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  607.850947][T12538]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  607.850950][T12538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.850952][T12538]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  607.850957][T12538]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  607.850960][T12538]  ____sys_sendmsg (net/socket.c:2713)
[  607.850962][T12538]  ? copy_msghdr_from_user (net/socket.c:2650)
[  607.850965][T12538]  ? sock_write_iter (net/socket.c:1269)
[  607.850967][T12538]  ? move_addr_to_kernel (net/socket.c:258)
[  607.850969][T12538]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  607.850974][T12538]  ___sys_sendmsg (net/socket.c:2767)
[  607.850976][T12538]  ? copy_msghdr_from_user (net/socket.c:2619)
[  607.850984][T12538]  __sys_sendmsg (net/socket.c:2799)
[  607.850987][T12538]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  607.850992][T12538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.850995][T12538]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  607.850998][T12538]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  607.851001][T12538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  607.851004][T12538] RIP: 0033:0x7f341336654e
[  607.851007][T12538] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  607.851009][T12538] RSP: 002b:00007fff441b69b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  607.851014][T12538] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f341336654e
[  607.851016][T12538] RDX: 0000000000000000 RSI: 00007fff441b6a60 RDI: 0000000000000005
[  607.851018][T12538] RBP: 00007fff441b69c0 R08: 0000000000000000 R09: 0000000000000000
[  607.851020][T12538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c0e
[  607.851021][T12538] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff441b7120
| [  609.491495][T12595] softirqs last disabled at (0): 0x0
| [  609.491498][T12595] Preemption disabled at:
| [  609.491499][T12595] vprintk_emit (kernel/printk/printk.c:2471)
| [  609.491513][T12595] Tainted: [W]=WARN
[  609.491514][T12595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  609.491517][T12595] Call Trace:
[  609.491519][T12595]  <TASK>
[  609.491521][T12595]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  609.491528][T12595]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  609.491531][T12595]  __might_resched.cold (kernel/sched/core.c:9234)
[  609.491536][T12595]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  609.491539][T12595]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  609.491544][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491548][T12595]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  609.491552][T12595]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  609.491556][T12595]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  609.491562][T12595]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  609.491564][T12595]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  609.491568][T12595]  put_chars (drivers/char/virtio_console.c:1176)
[  609.491571][T12595]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  609.491574][T12595]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  609.491578][T12595]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  609.491585][T12595]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  609.491587][T12595]  ? vsnprintf (lib/vsprintf.c:2900)
[  609.491592][T12595]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  609.491595][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491597][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491601][T12595]  console_emit_next_record (kernel/printk/printk.c:3183)
[  609.491605][T12595]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  609.491609][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491611][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491613][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491615][T12595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.491619][T12595]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  609.491622][T12595]  console_flush_one_record (kernel/printk/printk.c:3268)
[  609.491626][T12595]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  609.491630][T12595]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  609.491633][T12595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.491635][T12595]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  609.491638][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491640][T12595]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  609.491643][T12595]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  609.491645][T12595]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  609.491648][T12595]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  609.491651][T12595]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  609.491654][T12595]  vprintk_emit (kernel/printk/printk.c:2479)
[  609.491657][T12595]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  609.491660][T12595]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  609.491662][T12595]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  609.491666][T12595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.491669][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491671][T12595]  _printk (kernel/printk/printk.c:2504)
[  609.491675][T12595]  ? snapshot_read.cold (user.c:?)
[  609.491679][T12595]  ? br_multicast_flood (??:?)
[  609.491684][T12595]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  609.491688][T12595]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  609.491690][T12595]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  609.491693][T12595]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  609.491697][T12595]  br_init_port (net/bridge/br_stp_if.c:39)
[  609.491700][T12595]  new_nbp (net/bridge/br_if.c:449)
[  609.491703][T12595]  br_add_if (net/bridge/br_if.c:592)
[  609.491706][T12595]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  609.491712][T12595]  do_set_master (net/core/rtnetlink.c:3071)
[  609.491715][T12595]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  609.491718][T12595]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  609.491721][T12595]  ? __dev_get_by_name (net/core/dev.c:905)
[  609.491724][T12595]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  609.491730][T12595]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  609.491734][T12595]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  609.491738][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491740][T12595]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  609.491742][T12595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.491745][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491748][T12595]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  609.491751][T12595]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  609.491755][T12595]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  609.491758][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491761][T12595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.491763][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491766][T12595]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  609.491768][T12595]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  609.491771][T12595]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  609.491773][T12595]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  609.491776][T12595]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  609.491781][T12595]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  609.491786][T12595]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  609.491788][T12595]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  609.491791][T12595]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  609.491794][T12595]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  609.491798][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491801][T12595]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  609.491804][T12595]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  609.491808][T12595]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  609.491811][T12595]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  609.491814][T12595]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  609.491819][T12595]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  609.491823][T12595]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  609.491826][T12595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.491829][T12595]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  609.491834][T12595]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  609.491838][T12595]  ____sys_sendmsg (net/socket.c:2713)
[  609.491841][T12595]  ? copy_msghdr_from_user (net/socket.c:2650)
[  609.491844][T12595]  ? sock_write_iter (net/socket.c:1269)
[  609.491846][T12595]  ? move_addr_to_kernel (net/socket.c:258)
[  609.491850][T12595]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  609.491853][T12595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.491857][T12595]  ___sys_sendmsg (net/socket.c:2767)
[  609.491860][T12595]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  609.491863][T12595]  ? copy_msghdr_from_user (net/socket.c:2619)
[  609.491866][T12595]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  609.491873][T12595]  __sys_sendmsg (net/socket.c:2799)
[  609.491877][T12595]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  609.491881][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491883][T12595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.491885][T12595]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  609.491889][T12595]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  609.491891][T12595]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  609.491895][T12595] RIP: 0033:0x7fc8d96d554e
[  609.491898][T12595] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  609.491901][T12595] RSP: 002b:00007ffc72ec4660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  609.491906][T12595] RAX: ffffffffffffffda RBX: 00007ffc72ec4e28 RCX: 00007fc8d96d554e
[  609.491908][T12595] RDX: 0000000000000000 RSI: 00007ffc72ec4710 RDI: 0000000000000005
[  609.491910][T12595] RBP: 00007ffc72ec4670 R08: 0000000000000000 R09: 0000000000000000
[  609.491912][T12595] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c0f
[  609.491913][T12595] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc72ec4de0
| [  615.870073][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  615.870080][   T12] Preemption disabled at:
| [  615.870082][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  615.870096][   T12] Tainted: [W]=WARN
[  615.870097][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  615.870100][   T12] Workqueue: netns cleanup_net
[  615.870108][   T12] Call Trace:
[  615.870111][   T12]  <TASK>
[  615.870114][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  615.870121][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  615.870124][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  615.870129][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  615.870132][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  615.870136][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.870140][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  615.870145][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  615.870148][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  615.870154][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  615.870157][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  615.870161][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  615.870164][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  615.870167][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  615.870171][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  615.870178][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  615.870180][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  615.870184][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  615.870187][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.870189][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.870192][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  615.870197][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  615.870200][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.870202][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.870205][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.870207][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.870211][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  615.870214][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  615.870218][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  615.870223][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  615.870225][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.870228][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  615.870231][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.870233][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  615.870235][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  615.870237][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  615.870240][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  615.870243][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  615.870245][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  615.870248][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  615.870250][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  615.870253][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  615.870257][   T12]  ? kthread (kernel/kthread.c:436)
[  615.870260][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  615.870264][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  615.870269][   T12]  _printk (kernel/printk/printk.c:2504)
[  615.870273][   T12]  ? snapshot_read.cold (user.c:?)
[  615.870277][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  615.870281][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  615.870285][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  615.870288][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  615.870292][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.870294][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  615.870296][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  615.870300][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  615.870303][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  615.870305][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  615.870309][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  615.870313][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  615.870318][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  615.870321][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  615.870325][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  615.870329][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  615.870332][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  615.870337][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  615.870340][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  615.870352][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.870355][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.870359][   T12]  process_one_work (kernel/workqueue.c:3387)
[  615.870364][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  615.870368][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  615.870372][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  615.870377][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  615.870380][   T12]  kthread (kernel/kthread.c:436)
[  615.870383][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  615.870385][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  615.870388][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  615.870391][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  615.870394][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  615.870402][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  615.870407][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  616.948683][T12686] softirqs last disabled at (0): 0x0
| [  616.948686][T12686] Preemption disabled at:
| [  616.948687][T12686] vprintk_emit (kernel/printk/printk.c:2471)
| [  616.948700][T12686] Tainted: [W]=WARN
[  616.948702][T12686] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  616.948704][T12686] Call Trace:
[  616.948706][T12686]  <TASK>
[  616.948709][T12686]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  616.948715][T12686]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  616.948718][T12686]  __might_resched.cold (kernel/sched/core.c:9234)
[  616.948723][T12686]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  616.948727][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.948730][T12686]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  616.948734][T12686]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  616.948738][T12686]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  616.948744][T12686]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  616.948747][T12686]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  616.948750][T12686]  put_chars (drivers/char/virtio_console.c:1176)
[  616.948753][T12686]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  616.948755][T12686]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  616.948758][T12686]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  616.948762][T12686]  ? pointer (lib/vsprintf.c:2577)
[  616.948767][T12686]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  616.948773][T12686]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  616.948776][T12686]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  616.948779][T12686]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.948783][T12686]  console_emit_next_record (kernel/printk/printk.c:3183)
[  616.948787][T12686]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  616.948790][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.948792][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.948794][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.948795][T12686]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.948799][T12686]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  616.948801][T12686]  console_flush_one_record (kernel/printk/printk.c:3268)
[  616.948805][T12686]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  616.948809][T12686]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  616.948811][T12686]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.948814][T12686]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  616.948817][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.948818][T12686]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  616.948821][T12686]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  616.948823][T12686]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  616.948826][T12686]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  616.948829][T12686]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  616.948831][T12686]  vprintk_emit (kernel/printk/printk.c:2479)
[  616.948834][T12686]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  616.948836][T12686]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  616.948840][T12686]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  616.948844][T12686]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  616.948848][T12686]  _printk (kernel/printk/printk.c:2504)
[  616.948852][T12686]  ? snapshot_read.cold (user.c:?)
[  616.948855][T12686]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  616.948859][T12686]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  616.948863][T12686]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  616.948866][T12686]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  616.948870][T12686]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  616.948873][T12686]  ? netdev_notice (net/core/dev.c:13194)
[  616.948876][T12686]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  616.948879][T12686]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  616.948882][T12686]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  616.948885][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.948887][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.948888][T12686]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  616.948891][T12686]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  616.948893][T12686]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  616.948896][T12686]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  616.948898][T12686]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  616.948901][T12686]  ? register_netdev (net/core/dev.c:11618)
[  616.948903][T12686]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  616.948906][T12686]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  616.948910][T12686]  ? __kernel_text_address (kernel/extable.c:79)
[  616.948913][T12686]  ? write_profile (profile.c:?)
[  616.948917][T12686]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  616.948922][T12686]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  616.948926][T12686]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  616.948928][T12686]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  616.948930][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.948933][T12686]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  616.948938][T12686]  ? kasan_save_stack (mm/kasan/common.c:58)
[  616.948941][T12686]  ? kasan_save_stack (mm/kasan/common.c:57)
[  616.948943][T12686]  ? kasan_save_track (mm/kasan/common.c:78)
[  616.948945][T12686]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  616.948947][T12686]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  616.948949][T12686]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  616.948950][T12686]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  616.948952][T12686]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  616.948956][T12686]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  616.948958][T12686]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  616.948961][T12686]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  616.948964][T12686]  ? ____sys_sendmsg (net/socket.c:2713)
[  616.948966][T12686]  ? ___sys_sendmsg (net/socket.c:2767)
[  616.948968][T12686]  ? __sys_sendmsg (net/socket.c:2799)
[  616.948971][T12686]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  616.948974][T12686]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  616.948978][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.948980][T12686]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.948982][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.948984][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.948986][T12686]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  616.948988][T12686]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  616.948990][T12686]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  616.948993][T12686]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  616.948996][T12686]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  616.948998][T12686]  ? nla_get_range_signed (lib/nlattr.c:270)
[  616.949003][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.949006][T12686]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  616.949009][T12686]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  616.949013][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.949015][T12686]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  616.949017][T12686]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.949020][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.949022][T12686]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  616.949025][T12686]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  616.949028][T12686]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  616.949030][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.949032][T12686]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  616.949036][T12686]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  616.949040][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.949042][T12686]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.949044][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.949047][T12686]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  616.949049][T12686]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  616.949052][T12686]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  616.949055][T12686]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  616.949057][T12686]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  616.949062][T12686]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  616.949064][T12686]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  616.949072][T12686]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  616.949076][T12686]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  616.949079][T12686]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  616.949084][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.949086][T12686]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  616.949089][T12686]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  616.949092][T12686]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  616.949095][T12686]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  616.949098][T12686]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  616.949102][T12686]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  616.949104][T12686]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  616.949107][T12686]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.949109][T12686]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  616.949114][T12686]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  616.949117][T12686]  ____sys_sendmsg (net/socket.c:2713)
[  616.949120][T12686]  ? copy_msghdr_from_user (net/socket.c:2650)
[  616.949122][T12686]  ? sock_write_iter (net/socket.c:1269)
[  616.949125][T12686]  ? move_addr_to_kernel (net/socket.c:258)
[  616.949128][T12686]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  616.949132][T12686]  ___sys_sendmsg (net/socket.c:2767)
[  616.949135][T12686]  ? copy_msghdr_from_user (net/socket.c:2619)
[  616.949144][T12686]  __sys_sendmsg (net/socket.c:2799)
[  616.949147][T12686]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  616.949151][T12686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.949154][T12686]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  616.949157][T12686]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  616.949160][T12686]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  616.949162][T12686] RIP: 0033:0x7f33852a954e
[  616.949165][T12686] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  616.949168][T12686] RSP: 002b:00007ffebd0a74d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  616.949172][T12686] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f33852a954e
[  616.949175][T12686] RDX: 0000000000000000 RSI: 00007ffebd0a7580 RDI: 0000000000000005
[  616.949176][T12686] RBP: 00007ffebd0a74e0 R08: 0000000000000000 R09: 0000000000000000
[  616.949177][T12686] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c17
[  616.949179][T12686] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebd0a7c40
| [  618.679234][T12761] softirqs last disabled at (0): 0x0
| [  618.679236][T12761] Preemption disabled at:
| [  618.679238][T12761] vprintk_emit (kernel/printk/printk.c:2471)
| [  618.679251][T12761] Tainted: [W]=WARN
[  618.679252][T12761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  618.679255][T12761] Call Trace:
[  618.679257][T12761]  <TASK>
[  618.679259][T12761]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  618.679265][T12761]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  618.679268][T12761]  __might_resched.cold (kernel/sched/core.c:9234)
[  618.679272][T12761]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  618.679275][T12761]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  618.679279][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679283][T12761]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  618.679286][T12761]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  618.679290][T12761]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  618.679297][T12761]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  618.679299][T12761]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  618.679303][T12761]  put_chars (drivers/char/virtio_console.c:1176)
[  618.679306][T12761]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  618.679309][T12761]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  618.679313][T12761]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  618.679320][T12761]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  618.679323][T12761]  ? vsnprintf (lib/vsprintf.c:2900)
[  618.679327][T12761]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  618.679330][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679332][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679335][T12761]  console_emit_next_record (kernel/printk/printk.c:3183)
[  618.679339][T12761]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  618.679342][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679344][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679346][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679348][T12761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.679351][T12761]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  618.679354][T12761]  console_flush_one_record (kernel/printk/printk.c:3268)
[  618.679357][T12761]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  618.679367][T12761]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  618.679370][T12761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.679372][T12761]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  618.679375][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679377][T12761]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  618.679380][T12761]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  618.679383][T12761]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  618.679385][T12761]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  618.679389][T12761]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  618.679391][T12761]  vprintk_emit (kernel/printk/printk.c:2479)
[  618.679395][T12761]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  618.679397][T12761]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  618.679399][T12761]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  618.679403][T12761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.679405][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679408][T12761]  _printk (kernel/printk/printk.c:2504)
[  618.679412][T12761]  ? snapshot_read.cold (user.c:?)
[  618.679416][T12761]  ? br_multicast_flood (??:?)
[  618.679420][T12761]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  618.679424][T12761]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  618.679426][T12761]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  618.679429][T12761]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  618.679433][T12761]  br_init_port (net/bridge/br_stp_if.c:39)
[  618.679435][T12761]  new_nbp (net/bridge/br_if.c:449)
[  618.679439][T12761]  br_add_if (net/bridge/br_if.c:592)
[  618.679441][T12761]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  618.679448][T12761]  do_set_master (net/core/rtnetlink.c:3071)
[  618.679451][T12761]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  618.679454][T12761]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  618.679457][T12761]  ? __dev_get_by_name (net/core/dev.c:905)
[  618.679459][T12761]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  618.679465][T12761]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  618.679470][T12761]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  618.679473][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679475][T12761]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  618.679477][T12761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.679480][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679482][T12761]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  618.679485][T12761]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  618.679488][T12761]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  618.679491][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679494][T12761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.679496][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679498][T12761]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  618.679500][T12761]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  618.679503][T12761]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  618.679505][T12761]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  618.679508][T12761]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  618.679513][T12761]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  618.679518][T12761]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  618.679520][T12761]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  618.679523][T12761]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  618.679526][T12761]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  618.679531][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679533][T12761]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  618.679537][T12761]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  618.679540][T12761]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  618.679543][T12761]  ? next_uptodate_folio (mm/filemap.c:3747)
[  618.679548][T12761]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  618.679551][T12761]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  618.679554][T12761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.679557][T12761]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  618.679561][T12761]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  618.679565][T12761]  ____sys_sendmsg (net/socket.c:2713)
[  618.679568][T12761]  ? copy_msghdr_from_user (net/socket.c:2650)
[  618.679571][T12761]  ? sock_write_iter (net/socket.c:1269)
[  618.679573][T12761]  ? move_addr_to_kernel (net/socket.c:258)
[  618.679577][T12761]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  618.679580][T12761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.679583][T12761]  ___sys_sendmsg (net/socket.c:2767)
[  618.679586][T12761]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  618.679589][T12761]  ? copy_msghdr_from_user (net/socket.c:2619)
[  618.679592][T12761]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  618.679600][T12761]  __sys_sendmsg (net/socket.c:2799)
[  618.679603][T12761]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  618.679607][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679609][T12761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.679612][T12761]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  618.679615][T12761]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  618.679618][T12761]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  618.679622][T12761] RIP: 0033:0x7f97bb58c54e
[  618.679625][T12761] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  618.679627][T12761] RSP: 002b:00007ffd2d23b180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  618.679632][T12761] RAX: ffffffffffffffda RBX: 00007ffd2d23b948 RCX: 00007f97bb58c54e
[  618.679634][T12761] RDX: 0000000000000000 RSI: 00007ffd2d23b230 RDI: 0000000000000005
[  618.679636][T12761] RBP: 00007ffd2d23b190 R08: 0000000000000000 R09: 0000000000000000
[  618.679637][T12761] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c19
[  618.679639][T12761] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2d23b900
| [  619.746059][T12800] softirqs last disabled at (0): 0x0
| [  619.746062][T12800] Preemption disabled at:
| [  619.746063][T12800] vprintk_emit (kernel/printk/printk.c:2471)
| [  619.746083][T12800] Tainted: [W]=WARN
[  619.746084][T12800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  619.746087][T12800] Call Trace:
[  619.746089][T12800]  <TASK>
[  619.746092][T12800]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  619.746103][T12800]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  619.746106][T12800]  __might_resched.cold (kernel/sched/core.c:9234)
[  619.746116][T12800]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  619.746126][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746130][T12800]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  619.746135][T12800]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  619.746139][T12800]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  619.746145][T12800]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  619.746148][T12800]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  619.746151][T12800]  put_chars (drivers/char/virtio_console.c:1176)
[  619.746154][T12800]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  619.746156][T12800]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  619.746160][T12800]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  619.746163][T12800]  ? pointer (lib/vsprintf.c:2577)
[  619.746169][T12800]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  619.746180][T12800]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  619.746186][T12800]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  619.746190][T12800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.746197][T12800]  console_emit_next_record (kernel/printk/printk.c:3183)
[  619.746202][T12800]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  619.746205][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746207][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746209][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746210][T12800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.746214][T12800]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  619.746216][T12800]  console_flush_one_record (kernel/printk/printk.c:3268)
[  619.746220][T12800]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  619.746224][T12800]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  619.746232][T12800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.746235][T12800]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  619.746242][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746244][T12800]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  619.746249][T12800]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  619.746254][T12800]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  619.746257][T12800]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  619.746260][T12800]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  619.746263][T12800]  vprintk_emit (kernel/printk/printk.c:2479)
[  619.746266][T12800]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  619.746268][T12800]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  619.746272][T12800]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  619.746276][T12800]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  619.746279][T12800]  _printk (kernel/printk/printk.c:2504)
[  619.746284][T12800]  ? snapshot_read.cold (user.c:?)
[  619.746287][T12800]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  619.746295][T12800]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  619.746303][T12800]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  619.746307][T12800]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  619.746316][T12800]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  619.746320][T12800]  ? netdev_notice (net/core/dev.c:13194)
[  619.746324][T12800]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  619.746326][T12800]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  619.746330][T12800]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  619.746332][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746334][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746336][T12800]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  619.746339][T12800]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  619.746341][T12800]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  619.746343][T12800]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  619.746345][T12800]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  619.746348][T12800]  ? register_netdev (net/core/dev.c:11618)
[  619.746350][T12800]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  619.746354][T12800]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  619.746357][T12800]  ? __kernel_text_address (kernel/extable.c:79)
[  619.746361][T12800]  ? write_profile (profile.c:?)
[  619.746373][T12800]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  619.746378][T12800]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  619.746381][T12800]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  619.746384][T12800]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  619.746386][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746388][T12800]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  619.746396][T12800]  ? kasan_save_stack (mm/kasan/common.c:58)
[  619.746401][T12800]  ? kasan_save_stack (mm/kasan/common.c:57)
[  619.746405][T12800]  ? kasan_save_track (mm/kasan/common.c:78)
[  619.746409][T12800]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  619.746411][T12800]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  619.746415][T12800]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  619.746419][T12800]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  619.746422][T12800]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  619.746426][T12800]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  619.746428][T12800]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  619.746431][T12800]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  619.746434][T12800]  ? ____sys_sendmsg (net/socket.c:2713)
[  619.746437][T12800]  ? ___sys_sendmsg (net/socket.c:2767)
[  619.746441][T12800]  ? __sys_sendmsg (net/socket.c:2799)
[  619.746446][T12800]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  619.746449][T12800]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  619.746458][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746460][T12800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.746467][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746469][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746472][T12800]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  619.746475][T12800]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  619.746477][T12800]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  619.746479][T12800]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  619.746482][T12800]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  619.746484][T12800]  ? nla_get_range_signed (lib/nlattr.c:270)
[  619.746489][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746496][T12800]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  619.746500][T12800]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  619.746508][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746511][T12800]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  619.746516][T12800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.746520][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746523][T12800]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  619.746526][T12800]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  619.746528][T12800]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  619.746531][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746533][T12800]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  619.746537][T12800]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  619.746544][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746548][T12800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.746550][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746557][T12800]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  619.746560][T12800]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  619.746566][T12800]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  619.746570][T12800]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  619.746573][T12800]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  619.746577][T12800]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  619.746580][T12800]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  619.746582][T12800]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  619.746585][T12800]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  619.746588][T12800]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  619.746597][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746599][T12800]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  619.746607][T12800]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  619.746613][T12800]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  619.746619][T12800]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  619.746623][T12800]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  619.746627][T12800]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  619.746629][T12800]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  619.746632][T12800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.746635][T12800]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  619.746641][T12800]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  619.746647][T12800]  ____sys_sendmsg (net/socket.c:2713)
[  619.746651][T12800]  ? copy_msghdr_from_user (net/socket.c:2650)
[  619.746657][T12800]  ? sock_write_iter (net/socket.c:1269)
[  619.746660][T12800]  ? move_addr_to_kernel (net/socket.c:258)
[  619.746666][T12800]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  619.746672][T12800]  ___sys_sendmsg (net/socket.c:2767)
[  619.746675][T12800]  ? copy_msghdr_from_user (net/socket.c:2619)
[  619.746684][T12800]  __sys_sendmsg (net/socket.c:2799)
[  619.746687][T12800]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  619.746692][T12800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.746694][T12800]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  619.746700][T12800]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  619.746706][T12800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  619.746711][T12800] RIP: 0033:0x7fdb9073b54e
[  619.746716][T12800] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  619.746721][T12800] RSP: 002b:00007ffc591cc050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  619.746728][T12800] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdb9073b54e
[  619.746730][T12800] RDX: 0000000000000000 RSI: 00007ffc591cc100 RDI: 0000000000000005
[  619.746732][T12800] RBP: 00007ffc591cc060 R08: 0000000000000000 R09: 0000000000000000
[  619.746733][T12800] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c1a
[  619.746735][T12800] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc591cc7c0
| [  621.398214][T12857] softirqs last disabled at (0): 0x0
| [  621.398216][T12857] Preemption disabled at:
| [  621.398217][T12857] vprintk_emit (kernel/printk/printk.c:2471)
| [  621.398227][T12857] Tainted: [W]=WARN
[  621.398228][T12857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  621.398230][T12857] Call Trace:
[  621.398232][T12857]  <TASK>
[  621.398233][T12857]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  621.398239][T12857]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  621.398240][T12857]  __might_resched.cold (kernel/sched/core.c:9234)
[  621.398244][T12857]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  621.398247][T12857]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  621.398250][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398253][T12857]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  621.398256][T12857]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  621.398260][T12857]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  621.398265][T12857]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  621.398267][T12857]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  621.398269][T12857]  put_chars (drivers/char/virtio_console.c:1176)
[  621.398271][T12857]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  621.398273][T12857]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  621.398276][T12857]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  621.398281][T12857]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  621.398282][T12857]  ? vsnprintf (lib/vsprintf.c:2900)
[  621.398286][T12857]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  621.398288][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398289][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398291][T12857]  console_emit_next_record (kernel/printk/printk.c:3183)
[  621.398294][T12857]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  621.398296][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398297][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398298][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398299][T12857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.398302][T12857]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  621.398304][T12857]  console_flush_one_record (kernel/printk/printk.c:3268)
[  621.398306][T12857]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  621.398309][T12857]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  621.398311][T12857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.398313][T12857]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  621.398315][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398316][T12857]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  621.398318][T12857]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  621.398319][T12857]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  621.398321][T12857]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  621.398323][T12857]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  621.398325][T12857]  vprintk_emit (kernel/printk/printk.c:2479)
[  621.398326][T12857]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  621.398328][T12857]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  621.398330][T12857]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  621.398333][T12857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.398334][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398336][T12857]  _printk (kernel/printk/printk.c:2504)
[  621.398339][T12857]  ? snapshot_read.cold (user.c:?)
[  621.398341][T12857]  ? br_multicast_flood (??:?)
[  621.398345][T12857]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  621.398348][T12857]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  621.398349][T12857]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  621.398351][T12857]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  621.398354][T12857]  br_init_port (net/bridge/br_stp_if.c:39)
[  621.398356][T12857]  new_nbp (net/bridge/br_if.c:449)
[  621.398358][T12857]  br_add_if (net/bridge/br_if.c:592)
[  621.398360][T12857]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  621.398365][T12857]  do_set_master (net/core/rtnetlink.c:3071)
[  621.398367][T12857]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  621.398369][T12857]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  621.398370][T12857]  ? __dev_get_by_name (net/core/dev.c:905)
[  621.398372][T12857]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  621.398382][T12857]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  621.398385][T12857]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  621.398387][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398388][T12857]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  621.398390][T12857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.398391][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398393][T12857]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  621.398396][T12857]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  621.398398][T12857]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  621.398400][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398401][T12857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.398403][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398404][T12857]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  621.398406][T12857]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  621.398408][T12857]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  621.398409][T12857]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  621.398411][T12857]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  621.398415][T12857]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  621.398418][T12857]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  621.398419][T12857]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  621.398421][T12857]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  621.398423][T12857]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  621.398426][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398427][T12857]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  621.398429][T12857]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  621.398432][T12857]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  621.398434][T12857]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  621.398437][T12857]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  621.398440][T12857]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  621.398442][T12857]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  621.398445][T12857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.398446][T12857]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  621.398450][T12857]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  621.398453][T12857]  ____sys_sendmsg (net/socket.c:2713)
[  621.398455][T12857]  ? copy_msghdr_from_user (net/socket.c:2650)
[  621.398457][T12857]  ? sock_write_iter (net/socket.c:1269)
[  621.398458][T12857]  ? move_addr_to_kernel (net/socket.c:258)
[  621.398461][T12857]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  621.398463][T12857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.398465][T12857]  ___sys_sendmsg (net/socket.c:2767)
[  621.398467][T12857]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  621.398469][T12857]  ? copy_msghdr_from_user (net/socket.c:2619)
[  621.398471][T12857]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  621.398475][T12857]  __sys_sendmsg (net/socket.c:2799)
[  621.398478][T12857]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  621.398480][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398482][T12857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.398483][T12857]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  621.398486][T12857]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  621.398488][T12857]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  621.398490][T12857] RIP: 0033:0x7f800214554e
[  621.398492][T12857] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  621.398494][T12857] RSP: 002b:00007ffcea88a590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  621.398498][T12857] RAX: ffffffffffffffda RBX: 00007ffcea88ad58 RCX: 00007f800214554e
[  621.398500][T12857] RDX: 0000000000000000 RSI: 00007ffcea88a640 RDI: 0000000000000005
[  621.398501][T12857] RBP: 00007ffcea88a5a0 R08: 0000000000000000 R09: 0000000000000000
[  621.398502][T12857] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c1b
[  621.398503][T12857] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcea88ad10
| [  627.728318][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  627.728323][   T12] Preemption disabled at:
| [  627.728325][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  627.728341][   T12] Tainted: [W]=WARN
[  627.728343][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  627.728346][   T12] Workqueue: netns cleanup_net
[  627.728354][   T12] Call Trace:
[  627.728357][   T12]  <TASK>
[  627.728359][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  627.728371][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  627.728377][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  627.728383][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  627.728390][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  627.728395][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.728399][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  627.728403][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  627.728406][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  627.728422][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  627.728425][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  627.728429][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  627.728431][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  627.728435][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  627.728439][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  627.728445][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  627.728448][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  627.728452][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  627.728455][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.728457][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.728460][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  627.728465][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  627.728468][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.728470][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.728472][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.728474][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.728477][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  627.728480][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  627.728484][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  627.728488][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  627.728495][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.728498][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  627.728505][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.728508][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  627.728511][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  627.728517][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  627.728521][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  627.728523][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  627.728526][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  627.728529][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  627.728532][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  627.728534][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  627.728538][   T12]  ? kthread (kernel/kthread.c:436)
[  627.728541][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  627.728545][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  627.728553][   T12]  _printk (kernel/printk/printk.c:2504)
[  627.728559][   T12]  ? snapshot_read.cold (user.c:?)
[  627.728566][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  627.728575][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  627.728578][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  627.728582][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  627.728586][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.728589][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  627.728591][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  627.728596][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  627.728598][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  627.728601][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  627.728605][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  627.728609][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  627.728615][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  627.728618][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  627.728622][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  627.728626][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  627.728629][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  627.728634][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  627.728636][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  627.728640][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.728642][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.728645][   T12]  process_one_work (kernel/workqueue.c:3387)
[  627.728650][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  627.728654][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  627.728658][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  627.728662][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  627.728665][   T12]  kthread (kernel/kthread.c:436)
[  627.728668][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  627.728674][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  627.728678][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  627.728681][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  627.728689][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  627.728696][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  627.728701][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  628.792516][T12947] softirqs last disabled at (0): 0x0
| [  628.792518][T12947] Preemption disabled at:
| [  628.792520][T12947] vprintk_emit (kernel/printk/printk.c:2471)
| [  628.792533][T12947] Tainted: [W]=WARN
[  628.792534][T12947] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  628.792537][T12947] Call Trace:
[  628.792539][T12947]  <TASK>
[  628.792541][T12947]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  628.792547][T12947]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  628.792549][T12947]  __might_resched.cold (kernel/sched/core.c:9234)
[  628.792554][T12947]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  628.792558][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792562][T12947]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  628.792566][T12947]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.792569][T12947]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  628.792576][T12947]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  628.792578][T12947]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  628.792582][T12947]  put_chars (drivers/char/virtio_console.c:1176)
[  628.792584][T12947]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  628.792586][T12947]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  628.792590][T12947]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  628.792593][T12947]  ? pointer (lib/vsprintf.c:2577)
[  628.792598][T12947]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  628.792604][T12947]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  628.792607][T12947]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.792610][T12947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.792614][T12947]  console_emit_next_record (kernel/printk/printk.c:3183)
[  628.792618][T12947]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  628.792621][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792623][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792625][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792626][T12947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.792629][T12947]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  628.792632][T12947]  console_flush_one_record (kernel/printk/printk.c:3268)
[  628.792636][T12947]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  628.792640][T12947]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  628.792643][T12947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.792645][T12947]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  628.792648][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792650][T12947]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.792652][T12947]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  628.792654][T12947]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  628.792656][T12947]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  628.792659][T12947]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  628.792661][T12947]  vprintk_emit (kernel/printk/printk.c:2479)
[  628.792664][T12947]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  628.792667][T12947]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  628.792670][T12947]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  628.792675][T12947]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  628.792679][T12947]  _printk (kernel/printk/printk.c:2504)
[  628.792683][T12947]  ? snapshot_read.cold (user.c:?)
[  628.792686][T12947]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  628.792689][T12947]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  628.792693][T12947]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  628.792696][T12947]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  628.792699][T12947]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  628.792702][T12947]  ? netdev_notice (net/core/dev.c:13194)
[  628.792706][T12947]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  628.792708][T12947]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  628.792711][T12947]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.792714][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792716][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792718][T12947]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  628.792720][T12947]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  628.792722][T12947]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  628.792724][T12947]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  628.792727][T12947]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  628.792729][T12947]  ? register_netdev (net/core/dev.c:11618)
[  628.792731][T12947]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.792734][T12947]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  628.792738][T12947]  ? __kernel_text_address (kernel/extable.c:79)
[  628.792742][T12947]  ? write_profile (profile.c:?)
[  628.792746][T12947]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  628.792751][T12947]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  628.792755][T12947]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  628.792757][T12947]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  628.792760][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792762][T12947]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  628.792767][T12947]  ? kasan_save_stack (mm/kasan/common.c:58)
[  628.792770][T12947]  ? kasan_save_stack (mm/kasan/common.c:57)
[  628.792772][T12947]  ? kasan_save_track (mm/kasan/common.c:78)
[  628.792774][T12947]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  628.792776][T12947]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  628.792778][T12947]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  628.792780][T12947]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  628.792782][T12947]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  628.792785][T12947]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  628.792788][T12947]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  628.792790][T12947]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  628.792793][T12947]  ? ____sys_sendmsg (net/socket.c:2713)
[  628.792796][T12947]  ? ___sys_sendmsg (net/socket.c:2767)
[  628.792798][T12947]  ? __sys_sendmsg (net/socket.c:2799)
[  628.792800][T12947]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  628.792804][T12947]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  628.792807][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792809][T12947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.792812][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792813][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792815][T12947]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  628.792818][T12947]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  628.792820][T12947]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  628.792822][T12947]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  628.792825][T12947]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  628.792827][T12947]  ? nla_get_range_signed (lib/nlattr.c:270)
[  628.792832][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792835][T12947]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  628.792838][T12947]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  628.792842][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792844][T12947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  628.792847][T12947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.792849][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792852][T12947]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  628.792855][T12947]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  628.792857][T12947]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  628.792859][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792861][T12947]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  628.792865][T12947]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  628.792868][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792870][T12947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.792873][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792875][T12947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  628.792877][T12947]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  628.792880][T12947]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  628.792882][T12947]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  628.792884][T12947]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  628.792888][T12947]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  628.792891][T12947]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  628.792893][T12947]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.792896][T12947]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  628.792898][T12947]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  628.792903][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792905][T12947]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.792908][T12947]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  628.792912][T12947]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  628.792915][T12947]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  628.792919][T12947]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  628.792922][T12947]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  628.792925][T12947]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  628.792928][T12947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.792930][T12947]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  628.792935][T12947]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  628.792938][T12947]  ____sys_sendmsg (net/socket.c:2713)
[  628.792940][T12947]  ? copy_msghdr_from_user (net/socket.c:2650)
[  628.792943][T12947]  ? sock_write_iter (net/socket.c:1269)
[  628.792945][T12947]  ? move_addr_to_kernel (net/socket.c:258)
[  628.792947][T12947]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  628.792952][T12947]  ___sys_sendmsg (net/socket.c:2767)
[  628.792954][T12947]  ? copy_msghdr_from_user (net/socket.c:2619)
[  628.792963][T12947]  __sys_sendmsg (net/socket.c:2799)
[  628.792965][T12947]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  628.792970][T12947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.792972][T12947]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  628.792975][T12947]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  628.792978][T12947]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  628.792980][T12947] RIP: 0033:0x7fdbcf17254e
[  628.792983][T12947] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  628.792986][T12947] RSP: 002b:00007ffe3cad06f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  628.792991][T12947] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdbcf17254e
[  628.792994][T12947] RDX: 0000000000000000 RSI: 00007ffe3cad07a0 RDI: 0000000000000005
[  628.792996][T12947] RBP: 00007ffe3cad0700 R08: 0000000000000000 R09: 0000000000000000
[  628.792997][T12947] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c23
[  628.792999][T12947] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3cad0e60
| [  630.454910][T13021] softirqs last disabled at (0): 0x0
| [  630.454912][T13021] Preemption disabled at:
| [  630.454913][T13021] vprintk_emit (kernel/printk/printk.c:2471)
| [  630.454926][T13021] Tainted: [W]=WARN
[  630.454928][T13021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  630.454930][T13021] Call Trace:
[  630.454932][T13021]  <TASK>
[  630.454934][T13021]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  630.454941][T13021]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  630.454943][T13021]  __might_resched.cold (kernel/sched/core.c:9234)
[  630.454948][T13021]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  630.454951][T13021]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  630.454956][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.454959][T13021]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  630.454963][T13021]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  630.454967][T13021]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  630.454973][T13021]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  630.454976][T13021]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  630.454979][T13021]  put_chars (drivers/char/virtio_console.c:1176)
[  630.454982][T13021]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  630.454985][T13021]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  630.454989][T13021]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  630.454995][T13021]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  630.454997][T13021]  ? vsnprintf (lib/vsprintf.c:2900)
[  630.455002][T13021]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  630.455005][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455007][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455010][T13021]  console_emit_next_record (kernel/printk/printk.c:3183)
[  630.455014][T13021]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  630.455017][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455020][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455021][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455023][T13021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.455027][T13021]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  630.455029][T13021]  console_flush_one_record (kernel/printk/printk.c:3268)
[  630.455033][T13021]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  630.455037][T13021]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  630.455040][T13021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.455043][T13021]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  630.455046][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455048][T13021]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  630.455050][T13021]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  630.455053][T13021]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  630.455055][T13021]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  630.455059][T13021]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  630.455061][T13021]  vprintk_emit (kernel/printk/printk.c:2479)
[  630.455064][T13021]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  630.455066][T13021]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  630.455070][T13021]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  630.455074][T13021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.455077][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455081][T13021]  _printk (kernel/printk/printk.c:2504)
[  630.455084][T13021]  ? snapshot_read.cold (user.c:?)
[  630.455088][T13021]  ? br_multicast_flood (??:?)
[  630.455092][T13021]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  630.455095][T13021]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  630.455097][T13021]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  630.455100][T13021]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  630.455105][T13021]  br_init_port (net/bridge/br_stp_if.c:39)
[  630.455108][T13021]  new_nbp (net/bridge/br_if.c:449)
[  630.455111][T13021]  br_add_if (net/bridge/br_if.c:592)
[  630.455114][T13021]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  630.455120][T13021]  do_set_master (net/core/rtnetlink.c:3071)
[  630.455124][T13021]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  630.455127][T13021]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  630.455129][T13021]  ? __dev_get_by_name (net/core/dev.c:905)
[  630.455131][T13021]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  630.455137][T13021]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  630.455141][T13021]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  630.455144][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455146][T13021]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  630.455148][T13021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.455151][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455153][T13021]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  630.455156][T13021]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  630.455159][T13021]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  630.455162][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455164][T13021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.455167][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455169][T13021]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  630.455171][T13021]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  630.455174][T13021]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  630.455177][T13021]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  630.455179][T13021]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  630.455185][T13021]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  630.455189][T13021]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  630.455191][T13021]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  630.455194][T13021]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  630.455197][T13021]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  630.455201][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455203][T13021]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  630.455206][T13021]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  630.455209][T13021]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  630.455212][T13021]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  630.455216][T13021]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  630.455220][T13021]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  630.455223][T13021]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  630.455226][T13021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.455229][T13021]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  630.455233][T13021]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  630.455237][T13021]  ____sys_sendmsg (net/socket.c:2713)
[  630.455239][T13021]  ? copy_msghdr_from_user (net/socket.c:2650)
[  630.455242][T13021]  ? sock_write_iter (net/socket.c:1269)
[  630.455244][T13021]  ? move_addr_to_kernel (net/socket.c:258)
[  630.455248][T13021]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  630.455252][T13021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.455255][T13021]  ___sys_sendmsg (net/socket.c:2767)
[  630.455258][T13021]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  630.455260][T13021]  ? copy_msghdr_from_user (net/socket.c:2619)
[  630.455263][T13021]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  630.455271][T13021]  __sys_sendmsg (net/socket.c:2799)
[  630.455274][T13021]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  630.455278][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455280][T13021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.455283][T13021]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  630.455286][T13021]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  630.455289][T13021]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  630.455292][T13021] RIP: 0033:0x7fe18b73e54e
[  630.455294][T13021] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  630.455297][T13021] RSP: 002b:00007ffda784e310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  630.455302][T13021] RAX: ffffffffffffffda RBX: 00007ffda784ead8 RCX: 00007fe18b73e54e
[  630.455304][T13021] RDX: 0000000000000000 RSI: 00007ffda784e3c0 RDI: 0000000000000005
[  630.455305][T13021] RBP: 00007ffda784e320 R08: 0000000000000000 R09: 0000000000000000
[  630.455307][T13021] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c24
[  630.455308][T13021] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda784ea90
| [  631.502925][T13059] softirqs last disabled at (0): 0x0
| [  631.502928][T13059] Preemption disabled at:
| [  631.502929][T13059] vprintk_emit (kernel/printk/printk.c:2471)
| [  631.502942][T13059] Tainted: [W]=WARN
[  631.502944][T13059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  631.502946][T13059] Call Trace:
[  631.502949][T13059]  <TASK>
[  631.502951][T13059]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  631.502958][T13059]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  631.502961][T13059]  __might_resched.cold (kernel/sched/core.c:9234)
[  631.502967][T13059]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  631.502971][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.502975][T13059]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  631.502979][T13059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  631.502983][T13059]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.502990][T13059]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  631.502992][T13059]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.502996][T13059]  put_chars (drivers/char/virtio_console.c:1176)
[  631.502999][T13059]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  631.503001][T13059]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  631.503004][T13059]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  631.503007][T13059]  ? pointer (lib/vsprintf.c:2577)
[  631.503013][T13059]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  631.503019][T13059]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  631.503022][T13059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  631.503025][T13059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.503029][T13059]  console_emit_next_record (kernel/printk/printk.c:3183)
[  631.503034][T13059]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  631.503037][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503039][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503041][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503043][T13059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.503047][T13059]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  631.503050][T13059]  console_flush_one_record (kernel/printk/printk.c:3268)
[  631.503054][T13059]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  631.503059][T13059]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  631.503061][T13059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.503064][T13059]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  631.503069][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503071][T13059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  631.503074][T13059]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  631.503076][T13059]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  631.503079][T13059]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  631.503082][T13059]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  631.503085][T13059]  vprintk_emit (kernel/printk/printk.c:2479)
[  631.503088][T13059]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  631.503090][T13059]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  631.503093][T13059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  631.503097][T13059]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  631.503101][T13059]  _printk (kernel/printk/printk.c:2504)
[  631.503106][T13059]  ? snapshot_read.cold (user.c:?)
[  631.503109][T13059]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  631.503113][T13059]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  631.503117][T13059]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  631.503121][T13059]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.503125][T13059]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  631.503129][T13059]  ? netdev_notice (net/core/dev.c:13194)
[  631.503132][T13059]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  631.503135][T13059]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  631.503139][T13059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  631.503141][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503143][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503145][T13059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  631.503147][T13059]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  631.503150][T13059]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  631.503152][T13059]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.503154][T13059]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  631.503157][T13059]  ? register_netdev (net/core/dev.c:11618)
[  631.503160][T13059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  631.503163][T13059]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  631.503166][T13059]  ? __kernel_text_address (kernel/extable.c:79)
[  631.503170][T13059]  ? write_profile (profile.c:?)
[  631.503174][T13059]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  631.503179][T13059]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.503182][T13059]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  631.503184][T13059]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  631.503187][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503189][T13059]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  631.503194][T13059]  ? kasan_save_stack (mm/kasan/common.c:58)
[  631.503197][T13059]  ? kasan_save_stack (mm/kasan/common.c:57)
[  631.503200][T13059]  ? kasan_save_track (mm/kasan/common.c:78)
[  631.503202][T13059]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  631.503204][T13059]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  631.503206][T13059]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  631.503209][T13059]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  631.503211][T13059]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  631.503215][T13059]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  631.503218][T13059]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  631.503220][T13059]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  631.503224][T13059]  ? ____sys_sendmsg (net/socket.c:2713)
[  631.503226][T13059]  ? ___sys_sendmsg (net/socket.c:2767)
[  631.503228][T13059]  ? __sys_sendmsg (net/socket.c:2799)
[  631.503231][T13059]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  631.503234][T13059]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  631.503238][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503240][T13059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.503242][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503244][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503246][T13059]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  631.503248][T13059]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  631.503250][T13059]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  631.503252][T13059]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  631.503255][T13059]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  631.503257][T13059]  ? nla_get_range_signed (lib/nlattr.c:270)
[  631.503262][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503264][T13059]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  631.503268][T13059]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  631.503271][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503274][T13059]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.503276][T13059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.503279][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503282][T13059]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  631.503286][T13059]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  631.503288][T13059]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  631.503291][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503293][T13059]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  631.503298][T13059]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  631.503301][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503303][T13059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.503305][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503307][T13059]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.503310][T13059]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  631.503312][T13059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.503315][T13059]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  631.503317][T13059]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  631.503321][T13059]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  631.503324][T13059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.503326][T13059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  631.503329][T13059]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  631.503331][T13059]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  631.503336][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503338][T13059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  631.503341][T13059]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  631.503345][T13059]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  631.503348][T13059]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  631.503351][T13059]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  631.503355][T13059]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  631.503358][T13059]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  631.503361][T13059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.503364][T13059]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  631.503369][T13059]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  631.503372][T13059]  ____sys_sendmsg (net/socket.c:2713)
[  631.503375][T13059]  ? copy_msghdr_from_user (net/socket.c:2650)
[  631.503378][T13059]  ? sock_write_iter (net/socket.c:1269)
[  631.503380][T13059]  ? move_addr_to_kernel (net/socket.c:258)
[  631.503382][T13059]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  631.503387][T13059]  ___sys_sendmsg (net/socket.c:2767)
[  631.503390][T13059]  ? copy_msghdr_from_user (net/socket.c:2619)
[  631.503398][T13059]  __sys_sendmsg (net/socket.c:2799)
[  631.503401][T13059]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  631.503405][T13059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.503408][T13059]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  631.503410][T13059]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  631.503413][T13059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  631.503416][T13059] RIP: 0033:0x7fba4de4c54e
[  631.503419][T13059] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  631.503422][T13059] RSP: 002b:00007ffeac37d800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  631.503427][T13059] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fba4de4c54e
[  631.503429][T13059] RDX: 0000000000000000 RSI: 00007ffeac37d8b0 RDI: 0000000000000005
[  631.503431][T13059] RBP: 00007ffeac37d810 R08: 0000000000000000 R09: 0000000000000000
[  631.503433][T13059] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c25
[  631.503441][T13059] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeac37df70
| [  633.207490][T13117] softirqs last disabled at (0): 0x0
| [  633.207493][T13117] Preemption disabled at:
| [  633.207494][T13117] vprintk_emit (kernel/printk/printk.c:2471)
| [  633.207507][T13117] Tainted: [W]=WARN
[  633.207508][T13117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  633.207511][T13117] Call Trace:
[  633.207513][T13117]  <TASK>
[  633.207514][T13117]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  633.207522][T13117]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  633.207524][T13117]  __might_resched.cold (kernel/sched/core.c:9234)
[  633.207529][T13117]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  633.207532][T13117]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  633.207537][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207540][T13117]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  633.207544][T13117]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  633.207548][T13117]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  633.207555][T13117]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  633.207558][T13117]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  633.207562][T13117]  put_chars (drivers/char/virtio_console.c:1176)
[  633.207565][T13117]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  633.207569][T13117]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  633.207573][T13117]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  633.207579][T13117]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  633.207582][T13117]  ? vsnprintf (lib/vsprintf.c:2900)
[  633.207587][T13117]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  633.207589][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207591][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207594][T13117]  console_emit_next_record (kernel/printk/printk.c:3183)
[  633.207598][T13117]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  633.207602][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207603][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207605][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207607][T13117]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.207611][T13117]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  633.207613][T13117]  console_flush_one_record (kernel/printk/printk.c:3268)
[  633.207617][T13117]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  633.207621][T13117]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  633.207624][T13117]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.207626][T13117]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  633.207629][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207631][T13117]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  633.207633][T13117]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  633.207635][T13117]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  633.207638][T13117]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  633.207642][T13117]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  633.207644][T13117]  vprintk_emit (kernel/printk/printk.c:2479)
[  633.207648][T13117]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  633.207650][T13117]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  633.207653][T13117]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  633.207657][T13117]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.207660][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207663][T13117]  _printk (kernel/printk/printk.c:2504)
[  633.207667][T13117]  ? snapshot_read.cold (user.c:?)
[  633.207671][T13117]  ? br_multicast_flood (??:?)
[  633.207675][T13117]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  633.207678][T13117]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  633.207680][T13117]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  633.207683][T13117]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  633.207687][T13117]  br_init_port (net/bridge/br_stp_if.c:39)
[  633.207690][T13117]  new_nbp (net/bridge/br_if.c:449)
[  633.207693][T13117]  br_add_if (net/bridge/br_if.c:592)
[  633.207696][T13117]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  633.207702][T13117]  do_set_master (net/core/rtnetlink.c:3071)
[  633.207705][T13117]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  633.207708][T13117]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  633.207710][T13117]  ? __dev_get_by_name (net/core/dev.c:905)
[  633.207713][T13117]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  633.207718][T13117]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  633.207723][T13117]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  633.207726][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207729][T13117]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  633.207731][T13117]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.207734][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207736][T13117]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  633.207740][T13117]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  633.207744][T13117]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  633.207747][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207749][T13117]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.207752][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207754][T13117]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  633.207756][T13117]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  633.207759][T13117]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  633.207761][T13117]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  633.207763][T13117]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  633.207769][T13117]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  633.207773][T13117]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  633.207776][T13117]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  633.207779][T13117]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  633.207781][T13117]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  633.207786][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207788][T13117]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  633.207791][T13117]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  633.207794][T13117]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  633.207797][T13117]  ? next_uptodate_folio (mm/filemap.c:3747)
[  633.207802][T13117]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  633.207806][T13117]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  633.207809][T13117]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.207812][T13117]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  633.207817][T13117]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  633.207822][T13117]  ____sys_sendmsg (net/socket.c:2713)
[  633.207825][T13117]  ? copy_msghdr_from_user (net/socket.c:2650)
[  633.207828][T13117]  ? sock_write_iter (net/socket.c:1269)
[  633.207830][T13117]  ? move_addr_to_kernel (net/socket.c:258)
[  633.207834][T13117]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  633.207837][T13117]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.207840][T13117]  ___sys_sendmsg (net/socket.c:2767)
[  633.207842][T13117]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  633.207845][T13117]  ? copy_msghdr_from_user (net/socket.c:2619)
[  633.207848][T13117]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  633.207855][T13117]  __sys_sendmsg (net/socket.c:2799)
[  633.207858][T13117]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  633.207862][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207864][T13117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.207867][T13117]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  633.207870][T13117]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  633.207873][T13117]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  633.207876][T13117] RIP: 0033:0x7f5bc393954e
[  633.207879][T13117] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  633.207882][T13117] RSP: 002b:00007ffd5bd05960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  633.207887][T13117] RAX: ffffffffffffffda RBX: 00007ffd5bd06128 RCX: 00007f5bc393954e
[  633.207890][T13117] RDX: 0000000000000000 RSI: 00007ffd5bd05a10 RDI: 0000000000000005
[  633.207892][T13117] RBP: 00007ffd5bd05970 R08: 0000000000000000 R09: 0000000000000000
[  633.207893][T13117] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c27
[  633.207895][T13117] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5bd060e0
| [  639.574875][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  639.574879][   T12] Preemption disabled at:
| [  639.574880][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  639.574892][   T12] Tainted: [W]=WARN
[  639.574894][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  639.574896][   T12] Workqueue: netns cleanup_net
[  639.574904][   T12] Call Trace:
[  639.574906][   T12]  <TASK>
[  639.574909][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  639.574916][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  639.574918][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  639.574923][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  639.574926][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  639.574930][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.574933][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  639.574937][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.574940][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.574946][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  639.574949][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.574952][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  639.574955][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  639.574958][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  639.574961][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  639.574967][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  639.574970][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  639.574974][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.574977][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.574979][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.574982][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  639.574986][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  639.574989][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.574992][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.574994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.574995][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.574999][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  639.575002][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  639.575005][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  639.575010][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  639.575012][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.575015][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  639.575017][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.575019][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  639.575021][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  639.575024][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  639.575026][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  639.575029][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  639.575031][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  639.575034][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  639.575036][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  639.575038][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  639.575042][   T12]  ? kthread (kernel/kthread.c:436)
[  639.575045][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  639.575049][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  639.575053][   T12]  _printk (kernel/printk/printk.c:2504)
[  639.575057][   T12]  ? snapshot_read.cold (user.c:?)
[  639.575061][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  639.575069][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  639.575072][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  639.575076][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  639.575080][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.575083][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  639.575085][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  639.575088][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  639.575091][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  639.575093][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  639.575097][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  639.575100][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  639.575106][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  639.575109][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  639.575113][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  639.575116][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  639.575119][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  639.575124][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  639.575127][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  639.575130][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.575133][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.575136][   T12]  process_one_work (kernel/workqueue.c:3387)
[  639.575141][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  639.575145][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.575149][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  639.575154][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  639.575156][   T12]  kthread (kernel/kthread.c:436)
[  639.575159][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  639.575161][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  639.575164][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  639.575167][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  639.575170][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  639.575173][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  639.575176][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  640.645360][T13207] softirqs last disabled at (0): 0x0
| [  640.645363][T13207] Preemption disabled at:
| [  640.645365][T13207] vprintk_emit (kernel/printk/printk.c:2471)
| [  640.645378][T13207] Tainted: [W]=WARN
[  640.645379][T13207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  640.645382][T13207] Call Trace:
[  640.645384][T13207]  <TASK>
[  640.645386][T13207]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  640.645392][T13207]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  640.645394][T13207]  __might_resched.cold (kernel/sched/core.c:9234)
[  640.645399][T13207]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  640.645403][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645407][T13207]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  640.645411][T13207]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  640.645415][T13207]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  640.645421][T13207]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  640.645424][T13207]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  640.645428][T13207]  put_chars (drivers/char/virtio_console.c:1176)
[  640.645431][T13207]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  640.645434][T13207]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  640.645437][T13207]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  640.645441][T13207]  ? pointer (lib/vsprintf.c:2577)
[  640.645445][T13207]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  640.645451][T13207]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  640.645454][T13207]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  640.645457][T13207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.645460][T13207]  console_emit_next_record (kernel/printk/printk.c:3183)
[  640.645464][T13207]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  640.645467][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645469][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645471][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645473][T13207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.645476][T13207]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  640.645479][T13207]  console_flush_one_record (kernel/printk/printk.c:3268)
[  640.645482][T13207]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  640.645486][T13207]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  640.645489][T13207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.645496][T13207]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  640.645499][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645501][T13207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  640.645504][T13207]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  640.645506][T13207]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  640.645509][T13207]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  640.645513][T13207]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  640.645515][T13207]  vprintk_emit (kernel/printk/printk.c:2479)
[  640.645519][T13207]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  640.645521][T13207]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  640.645524][T13207]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  640.645529][T13207]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  640.645532][T13207]  _printk (kernel/printk/printk.c:2504)
[  640.645536][T13207]  ? snapshot_read.cold (user.c:?)
[  640.645539][T13207]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  640.645543][T13207]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  640.645547][T13207]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  640.645550][T13207]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  640.645554][T13207]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  640.645557][T13207]  ? netdev_notice (net/core/dev.c:13194)
[  640.645560][T13207]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  640.645562][T13207]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  640.645566][T13207]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  640.645568][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645570][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645572][T13207]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  640.645574][T13207]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  640.645577][T13207]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  640.645579][T13207]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  640.645582][T13207]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  640.645585][T13207]  ? register_netdev (net/core/dev.c:11618)
[  640.645587][T13207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  640.645591][T13207]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  640.645595][T13207]  ? __kernel_text_address (kernel/extable.c:79)
[  640.645598][T13207]  ? write_profile (profile.c:?)
[  640.645602][T13207]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  640.645607][T13207]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  640.645610][T13207]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  640.645613][T13207]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  640.645615][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645617][T13207]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  640.645621][T13207]  ? kasan_save_stack (mm/kasan/common.c:58)
[  640.645623][T13207]  ? kasan_save_stack (mm/kasan/common.c:57)
[  640.645625][T13207]  ? kasan_save_track (mm/kasan/common.c:78)
[  640.645627][T13207]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  640.645629][T13207]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  640.645633][T13207]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  640.645635][T13207]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  640.645637][T13207]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  640.645641][T13207]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  640.645643][T13207]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  640.645645][T13207]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  640.645648][T13207]  ? ____sys_sendmsg (net/socket.c:2713)
[  640.645651][T13207]  ? ___sys_sendmsg (net/socket.c:2767)
[  640.645653][T13207]  ? __sys_sendmsg (net/socket.c:2799)
[  640.645656][T13207]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  640.645659][T13207]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  640.645664][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645666][T13207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.645669][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645671][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645673][T13207]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  640.645676][T13207]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  640.645678][T13207]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  640.645680][T13207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  640.645683][T13207]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  640.645685][T13207]  ? nla_get_range_signed (lib/nlattr.c:270)
[  640.645689][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645692][T13207]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  640.645695][T13207]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  640.645698][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645700][T13207]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  640.645702][T13207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.645704][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645707][T13207]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  640.645710][T13207]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  640.645712][T13207]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  640.645714][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645716][T13207]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  640.645720][T13207]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  640.645723][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645725][T13207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.645727][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645730][T13207]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  640.645732][T13207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  640.645735][T13207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  640.645738][T13207]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  640.645741][T13207]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  640.645745][T13207]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  640.645748][T13207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  640.645750][T13207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  640.645753][T13207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  640.645756][T13207]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  640.645760][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645762][T13207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  640.645765][T13207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  640.645769][T13207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  640.645771][T13207]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  640.645775][T13207]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  640.645778][T13207]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  640.645780][T13207]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  640.645783][T13207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.645785][T13207]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  640.645789][T13207]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  640.645792][T13207]  ____sys_sendmsg (net/socket.c:2713)
[  640.645795][T13207]  ? copy_msghdr_from_user (net/socket.c:2650)
[  640.645797][T13207]  ? sock_write_iter (net/socket.c:1269)
[  640.645800][T13207]  ? move_addr_to_kernel (net/socket.c:258)
[  640.645802][T13207]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  640.645806][T13207]  ___sys_sendmsg (net/socket.c:2767)
[  640.645809][T13207]  ? copy_msghdr_from_user (net/socket.c:2619)
[  640.645818][T13207]  __sys_sendmsg (net/socket.c:2799)
[  640.645821][T13207]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  640.645826][T13207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.645829][T13207]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  640.645832][T13207]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  640.645835][T13207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  640.645837][T13207] RIP: 0033:0x7fddb1e2154e
[  640.645840][T13207] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  640.645842][T13207] RSP: 002b:00007ffcb21d8450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  640.645847][T13207] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fddb1e2154e
[  640.645849][T13207] RDX: 0000000000000000 RSI: 00007ffcb21d8500 RDI: 0000000000000005
[  640.645851][T13207] RBP: 00007ffcb21d8460 R08: 0000000000000000 R09: 0000000000000000
[  640.645852][T13207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c2f
[  640.645854][T13207] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb21d8bc0
| [  642.352470][T13281] softirqs last disabled at (0): 0x0
| [  642.352472][T13281] Preemption disabled at:
| [  642.352473][T13281] vprintk_emit (kernel/printk/printk.c:2471)
| [  642.352483][T13281] Tainted: [W]=WARN
[  642.352484][T13281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  642.352486][T13281] Call Trace:
[  642.352487][T13281]  <TASK>
[  642.352489][T13281]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  642.352494][T13281]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  642.352496][T13281]  __might_resched.cold (kernel/sched/core.c:9234)
[  642.352504][T13281]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  642.352507][T13281]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  642.352510][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352513][T13281]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  642.352516][T13281]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  642.352520][T13281]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  642.352525][T13281]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  642.352527][T13281]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  642.352530][T13281]  put_chars (drivers/char/virtio_console.c:1176)
[  642.352531][T13281]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  642.352534][T13281]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  642.352536][T13281]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  642.352541][T13281]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  642.352543][T13281]  ? vsnprintf (lib/vsprintf.c:2900)
[  642.352546][T13281]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  642.352548][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352549][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352551][T13281]  console_emit_next_record (kernel/printk/printk.c:3183)
[  642.352554][T13281]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  642.352556][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352557][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352558][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352559][T13281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.352562][T13281]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  642.352564][T13281]  console_flush_one_record (kernel/printk/printk.c:3268)
[  642.352567][T13281]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  642.352569][T13281]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  642.352571][T13281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.352573][T13281]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  642.352575][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352576][T13281]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  642.352578][T13281]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  642.352579][T13281]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  642.352581][T13281]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  642.352583][T13281]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  642.352584][T13281]  vprintk_emit (kernel/printk/printk.c:2479)
[  642.352587][T13281]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  642.352588][T13281]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  642.352590][T13281]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  642.352593][T13281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.352594][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352596][T13281]  _printk (kernel/printk/printk.c:2504)
[  642.352599][T13281]  ? snapshot_read.cold (user.c:?)
[  642.352601][T13281]  ? br_multicast_flood (??:?)
[  642.352605][T13281]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  642.352607][T13281]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  642.352609][T13281]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  642.352611][T13281]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  642.352613][T13281]  br_init_port (net/bridge/br_stp_if.c:39)
[  642.352615][T13281]  new_nbp (net/bridge/br_if.c:449)
[  642.352618][T13281]  br_add_if (net/bridge/br_if.c:592)
[  642.352620][T13281]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  642.352624][T13281]  do_set_master (net/core/rtnetlink.c:3071)
[  642.352626][T13281]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  642.352628][T13281]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  642.352629][T13281]  ? __dev_get_by_name (net/core/dev.c:905)
[  642.352631][T13281]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  642.352635][T13281]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  642.352638][T13281]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  642.352640][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352641][T13281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  642.352642][T13281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.352644][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352645][T13281]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  642.352648][T13281]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  642.352650][T13281]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  642.352652][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352653][T13281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.352655][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352656][T13281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  642.352658][T13281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  642.352660][T13281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  642.352661][T13281]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  642.352663][T13281]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  642.352667][T13281]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  642.352670][T13281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  642.352671][T13281]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  642.352673][T13281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  642.352675][T13281]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  642.352678][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352679][T13281]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  642.352681][T13281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  642.352683][T13281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  642.352686][T13281]  ? next_uptodate_folio (mm/filemap.c:3747)
[  642.352689][T13281]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  642.352691][T13281]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  642.352693][T13281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.352695][T13281]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  642.352698][T13281]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  642.352702][T13281]  ____sys_sendmsg (net/socket.c:2713)
[  642.352703][T13281]  ? copy_msghdr_from_user (net/socket.c:2650)
[  642.352705][T13281]  ? sock_write_iter (net/socket.c:1269)
[  642.352707][T13281]  ? move_addr_to_kernel (net/socket.c:258)
[  642.352709][T13281]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  642.352712][T13281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.352714][T13281]  ___sys_sendmsg (net/socket.c:2767)
[  642.352716][T13281]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  642.352717][T13281]  ? copy_msghdr_from_user (net/socket.c:2619)
[  642.352719][T13281]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  642.352724][T13281]  __sys_sendmsg (net/socket.c:2799)
[  642.352726][T13281]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  642.352729][T13281]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[  642.352731][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352732][T13281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.352734][T13281]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  642.352736][T13281]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  642.352738][T13281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  642.352741][T13281] RIP: 0033:0x7f5b9c6fa54e
[  642.352743][T13281] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  642.352745][T13281] RSP: 002b:00007ffc82e6b2a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  642.352749][T13281] RAX: ffffffffffffffda RBX: 00007ffc82e6ba68 RCX: 00007f5b9c6fa54e
[  642.352750][T13281] RDX: 0000000000000000 RSI: 00007ffc82e6b350 RDI: 0000000000000005
[  642.352751][T13281] RBP: 00007ffc82e6b2b0 R08: 0000000000000000 R09: 0000000000000000
[  642.352752][T13281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c30
[  642.352753][T13281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc82e6ba20
| [  643.404889][T13318] softirqs last disabled at (0): 0x0
| [  643.404892][T13318] Preemption disabled at:
| [  643.404893][T13318] vprintk_emit (kernel/printk/printk.c:2471)
| [  643.404906][T13318] Tainted: [W]=WARN
[  643.404907][T13318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  643.404910][T13318] Call Trace:
[  643.404912][T13318]  <TASK>
[  643.404913][T13318]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  643.404920][T13318]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  643.404922][T13318]  __might_resched.cold (kernel/sched/core.c:9234)
[  643.404928][T13318]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  643.404932][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.404936][T13318]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  643.404940][T13318]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  643.404944][T13318]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  643.404951][T13318]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  643.404953][T13318]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  643.404957][T13318]  put_chars (drivers/char/virtio_console.c:1176)
[  643.404960][T13318]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  643.404963][T13318]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  643.404966][T13318]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  643.404970][T13318]  ? pointer (lib/vsprintf.c:2577)
[  643.404974][T13318]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  643.404981][T13318]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  643.404983][T13318]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  643.404986][T13318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.404990][T13318]  console_emit_next_record (kernel/printk/printk.c:3183)
[  643.404994][T13318]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  643.404997][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.404999][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405001][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405003][T13318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.405006][T13318]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  643.405008][T13318]  console_flush_one_record (kernel/printk/printk.c:3268)
[  643.405012][T13318]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  643.405017][T13318]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  643.405020][T13318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.405022][T13318]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  643.405025][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405027][T13318]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  643.405030][T13318]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  643.405032][T13318]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  643.405034][T13318]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  643.405037][T13318]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  643.405040][T13318]  vprintk_emit (kernel/printk/printk.c:2479)
[  643.405043][T13318]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  643.405045][T13318]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  643.405049][T13318]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  643.405053][T13318]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  643.405057][T13318]  _printk (kernel/printk/printk.c:2504)
[  643.405062][T13318]  ? snapshot_read.cold (user.c:?)
[  643.405065][T13318]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  643.405071][T13318]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  643.405075][T13318]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  643.405079][T13318]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  643.405083][T13318]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  643.405086][T13318]  ? netdev_notice (net/core/dev.c:13194)
[  643.405090][T13318]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  643.405092][T13318]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  643.405096][T13318]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  643.405098][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405100][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405102][T13318]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  643.405104][T13318]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  643.405106][T13318]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  643.405109][T13318]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  643.405112][T13318]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  643.405115][T13318]  ? register_netdev (net/core/dev.c:11618)
[  643.405117][T13318]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  643.405120][T13318]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  643.405124][T13318]  ? __kernel_text_address (kernel/extable.c:79)
[  643.405128][T13318]  ? write_profile (profile.c:?)
[  643.405132][T13318]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  643.405137][T13318]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  643.405140][T13318]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  643.405142][T13318]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  643.405145][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405147][T13318]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  643.405151][T13318]  ? kasan_save_stack (mm/kasan/common.c:58)
[  643.405154][T13318]  ? kasan_save_stack (mm/kasan/common.c:57)
[  643.405156][T13318]  ? kasan_save_track (mm/kasan/common.c:78)
[  643.405157][T13318]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  643.405159][T13318]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  643.405161][T13318]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  643.405163][T13318]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  643.405165][T13318]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  643.405169][T13318]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  643.405171][T13318]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  643.405174][T13318]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  643.405177][T13318]  ? ____sys_sendmsg (net/socket.c:2713)
[  643.405179][T13318]  ? ___sys_sendmsg (net/socket.c:2767)
[  643.405181][T13318]  ? __sys_sendmsg (net/socket.c:2799)
[  643.405184][T13318]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  643.405187][T13318]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  643.405191][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405194][T13318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.405196][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405198][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405200][T13318]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  643.405203][T13318]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  643.405205][T13318]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  643.405207][T13318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  643.405210][T13318]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  643.405212][T13318]  ? nla_get_range_signed (lib/nlattr.c:270)
[  643.405217][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405219][T13318]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  643.405222][T13318]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  643.405226][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405228][T13318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  643.405230][T13318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.405232][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405234][T13318]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  643.405238][T13318]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  643.405240][T13318]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  643.405242][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405244][T13318]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  643.405248][T13318]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  643.405252][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405254][T13318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.405256][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405258][T13318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  643.405261][T13318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  643.405264][T13318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  643.405267][T13318]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  643.405269][T13318]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  643.405274][T13318]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  643.405277][T13318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  643.405279][T13318]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  643.405282][T13318]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  643.405284][T13318]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  643.405289][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405291][T13318]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  643.405294][T13318]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  643.405298][T13318]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  643.405302][T13318]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  643.405306][T13318]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  643.405309][T13318]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  643.405311][T13318]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  643.405314][T13318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.405317][T13318]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  643.405321][T13318]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  643.405324][T13318]  ____sys_sendmsg (net/socket.c:2713)
[  643.405327][T13318]  ? copy_msghdr_from_user (net/socket.c:2650)
[  643.405329][T13318]  ? sock_write_iter (net/socket.c:1269)
[  643.405332][T13318]  ? move_addr_to_kernel (net/socket.c:258)
[  643.405334][T13318]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  643.405339][T13318]  ___sys_sendmsg (net/socket.c:2767)
[  643.405342][T13318]  ? copy_msghdr_from_user (net/socket.c:2619)
[  643.405351][T13318]  __sys_sendmsg (net/socket.c:2799)
[  643.405354][T13318]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  643.405358][T13318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.405361][T13318]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  643.405363][T13318]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  643.405366][T13318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  643.405368][T13318] RIP: 0033:0x7f8c95a1154e
[  643.405371][T13318] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  643.405374][T13318] RSP: 002b:00007fffa30299d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  643.405378][T13318] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8c95a1154e
[  643.405381][T13318] RDX: 0000000000000000 RSI: 00007fffa3029a80 RDI: 0000000000000005
[  643.405382][T13318] RBP: 00007fffa30299e0 R08: 0000000000000000 R09: 0000000000000000
[  643.405384][T13318] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c31
[  643.405385][T13318] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa302a140
| [  645.108277][T13377] softirqs last disabled at (0): 0x0
| [  645.108280][T13377] Preemption disabled at:
| [  645.108281][T13377] vprintk_emit (kernel/printk/printk.c:2471)
| [  645.108295][T13377] Tainted: [W]=WARN
[  645.108296][T13377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  645.108299][T13377] Call Trace:
[  645.108301][T13377]  <TASK>
[  645.108303][T13377]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  645.108309][T13377]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  645.108311][T13377]  __might_resched.cold (kernel/sched/core.c:9234)
[  645.108315][T13377]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  645.108319][T13377]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  645.108323][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108327][T13377]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  645.108331][T13377]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  645.108335][T13377]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  645.108341][T13377]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  645.108344][T13377]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  645.108347][T13377]  put_chars (drivers/char/virtio_console.c:1176)
[  645.108350][T13377]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  645.108353][T13377]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  645.108357][T13377]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  645.108363][T13377]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  645.108366][T13377]  ? vsnprintf (lib/vsprintf.c:2900)
[  645.108370][T13377]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  645.108373][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108374][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108377][T13377]  console_emit_next_record (kernel/printk/printk.c:3183)
[  645.108381][T13377]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  645.108385][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108386][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108388][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108390][T13377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.108394][T13377]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  645.108397][T13377]  console_flush_one_record (kernel/printk/printk.c:3268)
[  645.108401][T13377]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  645.108406][T13377]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  645.108409][T13377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.108412][T13377]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  645.108414][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108416][T13377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  645.108419][T13377]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  645.108421][T13377]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  645.108424][T13377]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  645.108427][T13377]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  645.108429][T13377]  vprintk_emit (kernel/printk/printk.c:2479)
[  645.108432][T13377]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  645.108434][T13377]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  645.108436][T13377]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  645.108440][T13377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.108443][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108445][T13377]  _printk (kernel/printk/printk.c:2504)
[  645.108449][T13377]  ? snapshot_read.cold (user.c:?)
[  645.108452][T13377]  ? br_multicast_flood (??:?)
[  645.108456][T13377]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  645.108460][T13377]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  645.108462][T13377]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  645.108465][T13377]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  645.108469][T13377]  br_init_port (net/bridge/br_stp_if.c:39)
[  645.108472][T13377]  new_nbp (net/bridge/br_if.c:449)
[  645.108476][T13377]  br_add_if (net/bridge/br_if.c:592)
[  645.108479][T13377]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  645.108485][T13377]  do_set_master (net/core/rtnetlink.c:3071)
[  645.108488][T13377]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  645.108492][T13377]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  645.108494][T13377]  ? __dev_get_by_name (net/core/dev.c:905)
[  645.108496][T13377]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  645.108502][T13377]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  645.108506][T13377]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  645.108510][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108512][T13377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  645.108514][T13377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.108520][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108523][T13377]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  645.108526][T13377]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  645.108529][T13377]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  645.108532][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108534][T13377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.108537][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108539][T13377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  645.108541][T13377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  645.108545][T13377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  645.108547][T13377]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  645.108550][T13377]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  645.108556][T13377]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  645.108560][T13377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  645.108563][T13377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  645.108565][T13377]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  645.108568][T13377]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  645.108572][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108574][T13377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  645.108578][T13377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  645.108581][T13377]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  645.108584][T13377]  ? next_uptodate_folio (mm/filemap.c:3747)
[  645.108588][T13377]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  645.108591][T13377]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  645.108595][T13377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.108597][T13377]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  645.108602][T13377]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  645.108606][T13377]  ____sys_sendmsg (net/socket.c:2713)
[  645.108608][T13377]  ? copy_msghdr_from_user (net/socket.c:2650)
[  645.108611][T13377]  ? sock_write_iter (net/socket.c:1269)
[  645.108613][T13377]  ? move_addr_to_kernel (net/socket.c:258)
[  645.108617][T13377]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  645.108621][T13377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.108624][T13377]  ___sys_sendmsg (net/socket.c:2767)
[  645.108627][T13377]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  645.108630][T13377]  ? copy_msghdr_from_user (net/socket.c:2619)
[  645.108633][T13377]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  645.108641][T13377]  __sys_sendmsg (net/socket.c:2799)
[  645.108644][T13377]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  645.108648][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108650][T13377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.108653][T13377]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  645.108656][T13377]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  645.108659][T13377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  645.108662][T13377] RIP: 0033:0x7fb8cf08d54e
[  645.108665][T13377] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  645.108667][T13377] RSP: 002b:00007ffdae4118b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  645.108672][T13377] RAX: ffffffffffffffda RBX: 00007ffdae412078 RCX: 00007fb8cf08d54e
[  645.108674][T13377] RDX: 0000000000000000 RSI: 00007ffdae411960 RDI: 0000000000000005
[  645.108676][T13377] RBP: 00007ffdae4118c0 R08: 0000000000000000 R09: 0000000000000000
[  645.108677][T13377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c33
[  645.108679][T13377] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdae412030
| [  651.407320][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  651.407323][   T12] Preemption disabled at:
| [  651.407324][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  651.407340][   T12] Tainted: [W]=WARN
[  651.407343][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  651.407345][   T12] Workqueue: netns cleanup_net
[  651.407356][   T12] Call Trace:
[  651.407359][   T12]  <TASK>
[  651.407361][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  651.407369][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  651.407371][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  651.407375][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  651.407382][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  651.407387][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.407395][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  651.407404][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.407408][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.407414][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  651.407417][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.407420][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  651.407423][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  651.407428][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  651.407434][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  651.407445][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  651.407452][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  651.407457][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.407460][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.407462][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.407465][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  651.407469][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  651.407472][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.407477][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.407480][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.407483][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.407490][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  651.407494][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  651.407502][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  651.407507][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  651.407510][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.407513][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  651.407515][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.407517][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.407520][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  651.407522][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  651.407525][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  651.407527][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  651.407531][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  651.407537][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  651.407540][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  651.407547][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  651.407553][   T12]  ? kthread (kernel/kthread.c:436)
[  651.407568][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  651.407572][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  651.407577][   T12]  _printk (kernel/printk/printk.c:2504)
[  651.407581][   T12]  ? snapshot_read.cold (user.c:?)
[  651.407584][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  651.407593][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  651.407598][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  651.407605][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  651.407612][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.407616][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  651.407618][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  651.407622][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  651.407624][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  651.407627][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  651.407631][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  651.407636][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  651.407645][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  651.407653][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  651.407660][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  651.407665][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  651.407669][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  651.407673][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  651.407676][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  651.407679][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.407682][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.407687][   T12]  process_one_work (kernel/workqueue.c:3387)
[  651.407694][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  651.407703][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.407710][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  651.407716][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  651.407720][   T12]  kthread (kernel/kthread.c:436)
[  651.407722][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  651.407725][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  651.407728][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  651.407730][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  651.407734][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  651.407738][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  651.407742][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  652.449433][T13467] softirqs last disabled at (0): 0x0
| [  652.449435][T13467] Preemption disabled at:
| [  652.449436][T13467] vprintk_emit (kernel/printk/printk.c:2471)
| [  652.449446][T13467] Tainted: [W]=WARN
[  652.449447][T13467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  652.449449][T13467] Call Trace:
[  652.449450][T13467]  <TASK>
[  652.449452][T13467]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  652.449458][T13467]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  652.449459][T13467]  __might_resched.cold (kernel/sched/core.c:9234)
[  652.449463][T13467]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  652.449466][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449469][T13467]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  652.449472][T13467]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.449475][T13467]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  652.449480][T13467]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  652.449482][T13467]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  652.449485][T13467]  put_chars (drivers/char/virtio_console.c:1176)
[  652.449487][T13467]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  652.449488][T13467]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  652.449490][T13467]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  652.449492][T13467]  ? pointer (lib/vsprintf.c:2577)
[  652.449496][T13467]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  652.449501][T13467]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  652.449503][T13467]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.449505][T13467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.449507][T13467]  console_emit_next_record (kernel/printk/printk.c:3183)
[  652.449510][T13467]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  652.449512][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449513][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449514][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449515][T13467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.449517][T13467]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  652.449519][T13467]  console_flush_one_record (kernel/printk/printk.c:3268)
[  652.449522][T13467]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  652.449525][T13467]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  652.449527][T13467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.449528][T13467]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  652.449530][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449531][T13467]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.449533][T13467]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  652.449534][T13467]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  652.449536][T13467]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  652.449538][T13467]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  652.449539][T13467]  vprintk_emit (kernel/printk/printk.c:2479)
[  652.449541][T13467]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  652.449542][T13467]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  652.449545][T13467]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  652.449548][T13467]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  652.449551][T13467]  _printk (kernel/printk/printk.c:2504)
[  652.449554][T13467]  ? snapshot_read.cold (user.c:?)
[  652.449556][T13467]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  652.449558][T13467]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  652.449568][T13467]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  652.449570][T13467]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  652.449574][T13467]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  652.449576][T13467]  ? netdev_notice (net/core/dev.c:13194)
[  652.449578][T13467]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  652.449580][T13467]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  652.449583][T13467]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.449584][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449586][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449587][T13467]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  652.449588][T13467]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  652.449590][T13467]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  652.449591][T13467]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  652.449593][T13467]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  652.449595][T13467]  ? register_netdev (net/core/dev.c:11618)
[  652.449596][T13467]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.449598][T13467]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  652.449601][T13467]  ? __kernel_text_address (kernel/extable.c:79)
[  652.449604][T13467]  ? write_profile (profile.c:?)
[  652.449607][T13467]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  652.449610][T13467]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  652.449612][T13467]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  652.449614][T13467]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  652.449615][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449616][T13467]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  652.449620][T13467]  ? kasan_save_stack (mm/kasan/common.c:58)
[  652.449622][T13467]  ? kasan_save_stack (mm/kasan/common.c:57)
[  652.449623][T13467]  ? kasan_save_track (mm/kasan/common.c:78)
[  652.449624][T13467]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  652.449625][T13467]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  652.449626][T13467]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  652.449627][T13467]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  652.449629][T13467]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  652.449632][T13467]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  652.449633][T13467]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  652.449635][T13467]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  652.449638][T13467]  ? ____sys_sendmsg (net/socket.c:2713)
[  652.449639][T13467]  ? ___sys_sendmsg (net/socket.c:2767)
[  652.449640][T13467]  ? __sys_sendmsg (net/socket.c:2799)
[  652.449642][T13467]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  652.449644][T13467]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  652.449647][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449648][T13467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.449650][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449651][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449652][T13467]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  652.449653][T13467]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  652.449655][T13467]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  652.449656][T13467]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  652.449658][T13467]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  652.449659][T13467]  ? nla_get_range_signed (lib/nlattr.c:270)
[  652.449662][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449664][T13467]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  652.449666][T13467]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  652.449668][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449669][T13467]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  652.449670][T13467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.449672][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449673][T13467]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  652.449676][T13467]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  652.449677][T13467]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  652.449678][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449680][T13467]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  652.449683][T13467]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  652.449685][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449686][T13467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.449688][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449689][T13467]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  652.449691][T13467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  652.449692][T13467]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  652.449694][T13467]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  652.449695][T13467]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  652.449698][T13467]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  652.449700][T13467]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  652.449701][T13467]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.449703][T13467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  652.449704][T13467]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  652.449708][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449709][T13467]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.449711][T13467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  652.449713][T13467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  652.449715][T13467]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  652.449717][T13467]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  652.449719][T13467]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  652.449721][T13467]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  652.449722][T13467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.449724][T13467]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  652.449727][T13467]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  652.449729][T13467]  ____sys_sendmsg (net/socket.c:2713)
[  652.449731][T13467]  ? copy_msghdr_from_user (net/socket.c:2650)
[  652.449733][T13467]  ? sock_write_iter (net/socket.c:1269)
[  652.449734][T13467]  ? move_addr_to_kernel (net/socket.c:258)
[  652.449736][T13467]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  652.449739][T13467]  ___sys_sendmsg (net/socket.c:2767)
[  652.449740][T13467]  ? copy_msghdr_from_user (net/socket.c:2619)
[  652.449745][T13467]  __sys_sendmsg (net/socket.c:2799)
[  652.449747][T13467]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  652.449750][T13467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.449752][T13467]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  652.449754][T13467]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  652.449755][T13467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  652.449757][T13467] RIP: 0033:0x7ff627bc254e
[  652.449759][T13467] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  652.449761][T13467] RSP: 002b:00007fff3f2ce770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  652.449765][T13467] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff627bc254e
[  652.449766][T13467] RDX: 0000000000000000 RSI: 00007fff3f2ce820 RDI: 0000000000000005
[  652.449767][T13467] RBP: 00007fff3f2ce780 R08: 0000000000000000 R09: 0000000000000000
[  652.449768][T13467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c3a
[  652.449769][T13467] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3f2ceee0
| [  654.147710][T13541] softirqs last disabled at (0): 0x0
| [  654.147711][T13541] Preemption disabled at:
| [  654.147712][T13541] vprintk_emit (kernel/printk/printk.c:2471)
| [  654.147724][T13541] Tainted: [W]=WARN
[  654.147725][T13541] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  654.147727][T13541] Call Trace:
[  654.147728][T13541]  <TASK>
[  654.147729][T13541]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  654.147735][T13541]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  654.147737][T13541]  __might_resched.cold (kernel/sched/core.c:9234)
[  654.147740][T13541]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  654.147743][T13541]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  654.147746][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147749][T13541]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  654.147752][T13541]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  654.147755][T13541]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  654.147761][T13541]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  654.147762][T13541]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  654.147765][T13541]  put_chars (drivers/char/virtio_console.c:1176)
[  654.147767][T13541]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  654.147769][T13541]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  654.147772][T13541]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  654.147777][T13541]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  654.147779][T13541]  ? vsnprintf (lib/vsprintf.c:2900)
[  654.147782][T13541]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  654.147784][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147786][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147788][T13541]  console_emit_next_record (kernel/printk/printk.c:3183)
[  654.147790][T13541]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  654.147793][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147794][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147795][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147796][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  654.147799][T13541]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  654.147800][T13541]  console_flush_one_record (kernel/printk/printk.c:3268)
[  654.147803][T13541]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  654.147806][T13541]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  654.147808][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  654.147810][T13541]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  654.147811][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147812][T13541]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  654.147814][T13541]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  654.147816][T13541]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  654.147817][T13541]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  654.147819][T13541]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  654.147821][T13541]  vprintk_emit (kernel/printk/printk.c:2479)
[  654.147823][T13541]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  654.147824][T13541]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  654.147826][T13541]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  654.147829][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  654.147831][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147832][T13541]  _printk (kernel/printk/printk.c:2504)
[  654.147836][T13541]  ? snapshot_read.cold (user.c:?)
[  654.147838][T13541]  ? br_multicast_flood (??:?)
[  654.147842][T13541]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  654.147845][T13541]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  654.147846][T13541]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  654.147848][T13541]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  654.147851][T13541]  br_init_port (net/bridge/br_stp_if.c:39)
[  654.147853][T13541]  new_nbp (net/bridge/br_if.c:449)
[  654.147855][T13541]  br_add_if (net/bridge/br_if.c:592)
[  654.147857][T13541]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  654.147862][T13541]  do_set_master (net/core/rtnetlink.c:3071)
[  654.147864][T13541]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  654.147866][T13541]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  654.147867][T13541]  ? __dev_get_by_name (net/core/dev.c:905)
[  654.147869][T13541]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  654.147873][T13541]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  654.147875][T13541]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  654.147878][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147879][T13541]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  654.147880][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  654.147882][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147884][T13541]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  654.147886][T13541]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  654.147888][T13541]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  654.147891][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147892][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  654.147894][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147895][T13541]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  654.147896][T13541]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  654.147898][T13541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  654.147900][T13541]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  654.147901][T13541]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  654.147905][T13541]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  654.147908][T13541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  654.147910][T13541]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  654.147911][T13541]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  654.147913][T13541]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  654.147916][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147918][T13541]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  654.147920][T13541]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  654.147922][T13541]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  654.147924][T13541]  ? next_uptodate_folio (mm/filemap.c:3747)
[  654.147927][T13541]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  654.147930][T13541]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  654.147932][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  654.147934][T13541]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  654.147937][T13541]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  654.147940][T13541]  ____sys_sendmsg (net/socket.c:2713)
[  654.147942][T13541]  ? copy_msghdr_from_user (net/socket.c:2650)
[  654.147944][T13541]  ? sock_write_iter (net/socket.c:1269)
[  654.147945][T13541]  ? move_addr_to_kernel (net/socket.c:258)
[  654.147948][T13541]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  654.147950][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  654.147952][T13541]  ___sys_sendmsg (net/socket.c:2767)
[  654.147954][T13541]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  654.147956][T13541]  ? copy_msghdr_from_user (net/socket.c:2619)
[  654.147958][T13541]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  654.147963][T13541]  __sys_sendmsg (net/socket.c:2799)
[  654.147965][T13541]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  654.147968][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147969][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  654.147971][T13541]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  654.147973][T13541]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  654.147976][T13541]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  654.147978][T13541] RIP: 0033:0x7fc9c34b354e
[  654.147980][T13541] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  654.147982][T13541] RSP: 002b:00007ffe2f9e6610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  654.147986][T13541] RAX: ffffffffffffffda RBX: 00007ffe2f9e6dd8 RCX: 00007fc9c34b354e
[  654.147988][T13541] RDX: 0000000000000000 RSI: 00007ffe2f9e66c0 RDI: 0000000000000005
[  654.147989][T13541] RBP: 00007ffe2f9e6620 R08: 0000000000000000 R09: 0000000000000000
[  654.147989][T13541] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c3c
[  654.147990][T13541] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2f9e6d90
| [  655.255810][T13580] softirqs last disabled at (0): 0x0
| [  655.255813][T13580] Preemption disabled at:
| [  655.255814][T13580] vprintk_emit (kernel/printk/printk.c:2471)
| [  655.255827][T13580] Tainted: [W]=WARN
[  655.255829][T13580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  655.255831][T13580] Call Trace:
[  655.255833][T13580]  <TASK>
[  655.255835][T13580]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  655.255842][T13580]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  655.255844][T13580]  __might_resched.cold (kernel/sched/core.c:9234)
[  655.255849][T13580]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  655.255853][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.255856][T13580]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  655.255860][T13580]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  655.255864][T13580]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  655.255869][T13580]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  655.255872][T13580]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  655.255875][T13580]  put_chars (drivers/char/virtio_console.c:1176)
[  655.255878][T13580]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  655.255880][T13580]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  655.255884][T13580]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  655.255888][T13580]  ? pointer (lib/vsprintf.c:2577)
[  655.255893][T13580]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  655.255899][T13580]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  655.255902][T13580]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  655.255904][T13580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.255908][T13580]  console_emit_next_record (kernel/printk/printk.c:3183)
[  655.255912][T13580]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  655.255915][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.255917][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.255918][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.255920][T13580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.255923][T13580]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  655.255926][T13580]  console_flush_one_record (kernel/printk/printk.c:3268)
[  655.255930][T13580]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  655.255934][T13580]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  655.255937][T13580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.255939][T13580]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  655.255942][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.255944][T13580]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  655.255947][T13580]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  655.255949][T13580]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  655.255952][T13580]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  655.255955][T13580]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  655.255957][T13580]  vprintk_emit (kernel/printk/printk.c:2479)
[  655.255960][T13580]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  655.255962][T13580]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  655.255965][T13580]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  655.255969][T13580]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  655.255973][T13580]  _printk (kernel/printk/printk.c:2504)
[  655.255976][T13580]  ? snapshot_read.cold (user.c:?)
[  655.255979][T13580]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  655.255982][T13580]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  655.255986][T13580]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  655.255989][T13580]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  655.255993][T13580]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  655.255996][T13580]  ? netdev_notice (net/core/dev.c:13194)
[  655.255999][T13580]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  655.256001][T13580]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  655.256005][T13580]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  655.256008][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256010][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256012][T13580]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  655.256014][T13580]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  655.256017][T13580]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  655.256020][T13580]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  655.256022][T13580]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  655.256025][T13580]  ? register_netdev (net/core/dev.c:11618)
[  655.256027][T13580]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  655.256030][T13580]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  655.256034][T13580]  ? __kernel_text_address (kernel/extable.c:79)
[  655.256037][T13580]  ? write_profile (profile.c:?)
[  655.256041][T13580]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  655.256046][T13580]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  655.256049][T13580]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  655.256052][T13580]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  655.256054][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256056][T13580]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  655.256061][T13580]  ? kasan_save_stack (mm/kasan/common.c:58)
[  655.256064][T13580]  ? kasan_save_stack (mm/kasan/common.c:57)
[  655.256069][T13580]  ? kasan_save_track (mm/kasan/common.c:78)
[  655.256071][T13580]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  655.256073][T13580]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  655.256075][T13580]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  655.256078][T13580]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  655.256081][T13580]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  655.256085][T13580]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  655.256087][T13580]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  655.256090][T13580]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  655.256093][T13580]  ? ____sys_sendmsg (net/socket.c:2713)
[  655.256095][T13580]  ? ___sys_sendmsg (net/socket.c:2767)
[  655.256098][T13580]  ? __sys_sendmsg (net/socket.c:2799)
[  655.256100][T13580]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  655.256103][T13580]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  655.256107][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256110][T13580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.256112][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256114][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256116][T13580]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  655.256119][T13580]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  655.256122][T13580]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  655.256124][T13580]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  655.256127][T13580]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  655.256128][T13580]  ? nla_get_range_signed (lib/nlattr.c:270)
[  655.256133][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256135][T13580]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  655.256139][T13580]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  655.256142][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256144][T13580]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  655.256146][T13580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.256149][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256151][T13580]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  655.256154][T13580]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  655.256156][T13580]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  655.256159][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256161][T13580]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  655.256165][T13580]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  655.256168][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256170][T13580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.256173][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256175][T13580]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  655.256177][T13580]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  655.256181][T13580]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  655.256183][T13580]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  655.256186][T13580]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  655.256190][T13580]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  655.256192][T13580]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  655.256194][T13580]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  655.256197][T13580]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  655.256199][T13580]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  655.256203][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256205][T13580]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  655.256209][T13580]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  655.256212][T13580]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  655.256215][T13580]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  655.256218][T13580]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  655.256221][T13580]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  655.256223][T13580]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  655.256226][T13580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.256229][T13580]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  655.256233][T13580]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  655.256236][T13580]  ____sys_sendmsg (net/socket.c:2713)
[  655.256239][T13580]  ? copy_msghdr_from_user (net/socket.c:2650)
[  655.256242][T13580]  ? sock_write_iter (net/socket.c:1269)
[  655.256244][T13580]  ? move_addr_to_kernel (net/socket.c:258)
[  655.256247][T13580]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  655.256251][T13580]  ___sys_sendmsg (net/socket.c:2767)
[  655.256254][T13580]  ? copy_msghdr_from_user (net/socket.c:2619)
[  655.256262][T13580]  __sys_sendmsg (net/socket.c:2799)
[  655.256265][T13580]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  655.256269][T13580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.256272][T13580]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  655.256274][T13580]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  655.256277][T13580]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  655.256280][T13580] RIP: 0033:0x7fdd31cb354e
[  655.256283][T13580] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  655.256285][T13580] RSP: 002b:00007fffed3ccd60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  655.256290][T13580] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdd31cb354e
[  655.256292][T13580] RDX: 0000000000000000 RSI: 00007fffed3cce10 RDI: 0000000000000005
[  655.256294][T13580] RBP: 00007fffed3ccd70 R08: 0000000000000000 R09: 0000000000000000
[  655.256295][T13580] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c3d
[  655.256297][T13580] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffed3cd4d0
| [  656.811949][T13630] softirqs last disabled at (0): 0x0
| [  656.811951][T13630] Preemption disabled at:
| [  656.811953][T13630] vprintk_emit (kernel/printk/printk.c:2471)
| [  656.811965][T13630] Tainted: [W]=WARN
[  656.811966][T13630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  656.811969][T13630] Call Trace:
[  656.811971][T13630]  <TASK>
[  656.811972][T13630]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  656.811979][T13630]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  656.811981][T13630]  __might_resched.cold (kernel/sched/core.c:9234)
[  656.811985][T13630]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  656.811988][T13630]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  656.811992][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.811996][T13630]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  656.812000][T13630]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  656.812004][T13630]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  656.812010][T13630]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  656.812013][T13630]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  656.812017][T13630]  put_chars (drivers/char/virtio_console.c:1176)
[  656.812020][T13630]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  656.812023][T13630]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  656.812027][T13630]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  656.812033][T13630]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  656.812036][T13630]  ? vsnprintf (lib/vsprintf.c:2900)
[  656.812040][T13630]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  656.812043][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812044][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812048][T13630]  console_emit_next_record (kernel/printk/printk.c:3183)
[  656.812052][T13630]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  656.812056][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812058][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812060][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812062][T13630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  656.812065][T13630]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  656.812071][T13630]  console_flush_one_record (kernel/printk/printk.c:3268)
[  656.812074][T13630]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  656.812079][T13630]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  656.812082][T13630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  656.812085][T13630]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  656.812088][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812089][T13630]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  656.812092][T13630]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  656.812094][T13630]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  656.812097][T13630]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  656.812099][T13630]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  656.812102][T13630]  vprintk_emit (kernel/printk/printk.c:2479)
[  656.812105][T13630]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  656.812107][T13630]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  656.812110][T13630]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  656.812114][T13630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  656.812117][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812120][T13630]  _printk (kernel/printk/printk.c:2504)
[  656.812124][T13630]  ? snapshot_read.cold (user.c:?)
[  656.812127][T13630]  ? br_multicast_flood (??:?)
[  656.812131][T13630]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  656.812135][T13630]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  656.812137][T13630]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  656.812140][T13630]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  656.812144][T13630]  br_init_port (net/bridge/br_stp_if.c:39)
[  656.812147][T13630]  new_nbp (net/bridge/br_if.c:449)
[  656.812150][T13630]  br_add_if (net/bridge/br_if.c:592)
[  656.812153][T13630]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  656.812158][T13630]  do_set_master (net/core/rtnetlink.c:3071)
[  656.812161][T13630]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  656.812164][T13630]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  656.812166][T13630]  ? __dev_get_by_name (net/core/dev.c:905)
[  656.812169][T13630]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  656.812175][T13630]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  656.812179][T13630]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  656.812183][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812185][T13630]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  656.812187][T13630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  656.812190][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812193][T13630]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  656.812196][T13630]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  656.812199][T13630]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  656.812202][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812204][T13630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  656.812206][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812208][T13630]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  656.812211][T13630]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  656.812214][T13630]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  656.812216][T13630]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  656.812218][T13630]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  656.812223][T13630]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  656.812227][T13630]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  656.812230][T13630]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  656.812232][T13630]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  656.812235][T13630]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  656.812239][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812241][T13630]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  656.812245][T13630]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  656.812248][T13630]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  656.812251][T13630]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  656.812255][T13630]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  656.812260][T13630]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  656.812263][T13630]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  656.812266][T13630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  656.812269][T13630]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  656.812273][T13630]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  656.812277][T13630]  ____sys_sendmsg (net/socket.c:2713)
[  656.812280][T13630]  ? copy_msghdr_from_user (net/socket.c:2650)
[  656.812283][T13630]  ? sock_write_iter (net/socket.c:1269)
[  656.812285][T13630]  ? move_addr_to_kernel (net/socket.c:258)
[  656.812288][T13630]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  656.812291][T13630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  656.812294][T13630]  ___sys_sendmsg (net/socket.c:2767)
[  656.812297][T13630]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  656.812300][T13630]  ? copy_msghdr_from_user (net/socket.c:2619)
[  656.812303][T13630]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  656.812310][T13630]  __sys_sendmsg (net/socket.c:2799)
[  656.812314][T13630]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  656.812318][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812320][T13630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.812322][T13630]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  656.812326][T13630]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  656.812329][T13630]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  656.812332][T13630] RIP: 0033:0x7f20f31f554e
[  656.812335][T13630] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  656.812338][T13630] RSP: 002b:00007ffc9c8342e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  656.812343][T13630] RAX: ffffffffffffffda RBX: 00007ffc9c834aa8 RCX: 00007f20f31f554e
[  656.812345][T13630] RDX: 0000000000000000 RSI: 00007ffc9c834390 RDI: 0000000000000005
[  656.812347][T13630] RBP: 00007ffc9c8342f0 R08: 0000000000000000 R09: 0000000000000000
[  656.812348][T13630] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c3f
[  656.812350][T13630] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9c834a60
| [  663.109194][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  663.109198][   T12] Preemption disabled at:
| [  663.109199][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  663.109211][   T12] Tainted: [W]=WARN
[  663.109213][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  663.109215][   T12] Workqueue: netns cleanup_net
[  663.109223][   T12] Call Trace:
[  663.109225][   T12]  <TASK>
[  663.109227][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  663.109234][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  663.109237][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  663.109241][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  663.109244][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  663.109248][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.109252][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  663.109256][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  663.109259][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  663.109265][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  663.109268][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  663.109271][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  663.109274][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  663.109277][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  663.109281][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  663.109287][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  663.109290][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  663.109294][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  663.109297][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.109300][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.109304][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  663.109309][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  663.109312][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.109314][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.109316][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.109318][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  663.109322][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  663.109325][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  663.109328][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  663.109333][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  663.109336][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  663.109339][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  663.109341][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.109343][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  663.109346][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  663.109348][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  663.109351][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  663.109354][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  663.109356][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  663.109359][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  663.109362][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  663.109364][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  663.109368][   T12]  ? kthread (kernel/kthread.c:436)
[  663.109371][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  663.109375][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  663.109379][   T12]  _printk (kernel/printk/printk.c:2504)
[  663.109383][   T12]  ? snapshot_read.cold (user.c:?)
[  663.109386][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  663.109391][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  663.109394][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  663.109398][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  663.109401][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.109403][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  663.109406][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  663.109410][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  663.109412][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  663.109415][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  663.109419][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  663.109423][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  663.109428][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  663.109431][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  663.109435][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  663.109439][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  663.109442][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  663.109446][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  663.109449][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  663.109452][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  663.109455][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.109458][   T12]  process_one_work (kernel/workqueue.c:3387)
[  663.109463][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  663.109467][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  663.109471][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  663.109476][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  663.109479][   T12]  kthread (kernel/kthread.c:436)
[  663.109481][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  663.109484][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  663.109487][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  663.109490][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  663.109494][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  663.109498][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  663.109501][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  664.203892][T13722] softirqs last disabled at (0): 0x0
| [  664.203895][T13722] Preemption disabled at:
| [  664.203896][T13722] vprintk_emit (kernel/printk/printk.c:2471)
| [  664.203910][T13722] Tainted: [W]=WARN
[  664.203911][T13722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  664.203914][T13722] Call Trace:
[  664.203916][T13722]  <TASK>
[  664.203918][T13722]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  664.203925][T13722]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  664.203927][T13722]  __might_resched.cold (kernel/sched/core.c:9234)
[  664.203932][T13722]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  664.203936][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.203940][T13722]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  664.203944][T13722]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  664.203948][T13722]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  664.203955][T13722]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  664.203958][T13722]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  664.203962][T13722]  put_chars (drivers/char/virtio_console.c:1176)
[  664.203965][T13722]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  664.203967][T13722]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  664.203971][T13722]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  664.203975][T13722]  ? pointer (lib/vsprintf.c:2577)
[  664.203980][T13722]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  664.203986][T13722]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  664.203989][T13722]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  664.203992][T13722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.203996][T13722]  console_emit_next_record (kernel/printk/printk.c:3183)
[  664.204000][T13722]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  664.204003][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204005][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204006][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204008][T13722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.204011][T13722]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  664.204014][T13722]  console_flush_one_record (kernel/printk/printk.c:3268)
[  664.204018][T13722]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  664.204022][T13722]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  664.204025][T13722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.204028][T13722]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  664.204031][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204033][T13722]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  664.204036][T13722]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  664.204038][T13722]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  664.204041][T13722]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  664.204044][T13722]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  664.204047][T13722]  vprintk_emit (kernel/printk/printk.c:2479)
[  664.204051][T13722]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  664.204053][T13722]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  664.204057][T13722]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  664.204061][T13722]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  664.204069][T13722]  _printk (kernel/printk/printk.c:2504)
[  664.204073][T13722]  ? snapshot_read.cold (user.c:?)
[  664.204076][T13722]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  664.204080][T13722]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  664.204084][T13722]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  664.204087][T13722]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  664.204091][T13722]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  664.204094][T13722]  ? netdev_notice (net/core/dev.c:13194)
[  664.204097][T13722]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  664.204100][T13722]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  664.204103][T13722]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  664.204106][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204107][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204110][T13722]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  664.204112][T13722]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  664.204114][T13722]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  664.204117][T13722]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  664.204119][T13722]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  664.204122][T13722]  ? register_netdev (net/core/dev.c:11618)
[  664.204125][T13722]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  664.204128][T13722]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  664.204133][T13722]  ? __kernel_text_address (kernel/extable.c:79)
[  664.204136][T13722]  ? write_profile (profile.c:?)
[  664.204141][T13722]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  664.204146][T13722]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  664.204149][T13722]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  664.204152][T13722]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  664.204154][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204156][T13722]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  664.204161][T13722]  ? kasan_save_stack (mm/kasan/common.c:58)
[  664.204163][T13722]  ? kasan_save_stack (mm/kasan/common.c:57)
[  664.204165][T13722]  ? kasan_save_track (mm/kasan/common.c:78)
[  664.204167][T13722]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  664.204169][T13722]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  664.204171][T13722]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  664.204173][T13722]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  664.204175][T13722]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  664.204179][T13722]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  664.204181][T13722]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  664.204184][T13722]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  664.204187][T13722]  ? ____sys_sendmsg (net/socket.c:2713)
[  664.204189][T13722]  ? ___sys_sendmsg (net/socket.c:2767)
[  664.204192][T13722]  ? __sys_sendmsg (net/socket.c:2799)
[  664.204194][T13722]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  664.204198][T13722]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  664.204202][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204205][T13722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.204207][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204210][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204212][T13722]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  664.204215][T13722]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  664.204217][T13722]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  664.204220][T13722]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  664.204223][T13722]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  664.204225][T13722]  ? nla_get_range_signed (lib/nlattr.c:270)
[  664.204230][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204232][T13722]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  664.204236][T13722]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  664.204239][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204241][T13722]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  664.204243][T13722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.204246][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204248][T13722]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  664.204251][T13722]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  664.204254][T13722]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  664.204256][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204258][T13722]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  664.204262][T13722]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  664.204265][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204267][T13722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.204270][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204272][T13722]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  664.204274][T13722]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  664.204278][T13722]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  664.204280][T13722]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  664.204283][T13722]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  664.204288][T13722]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  664.204291][T13722]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  664.204293][T13722]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  664.204296][T13722]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  664.204299][T13722]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  664.204304][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204306][T13722]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  664.204310][T13722]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  664.204313][T13722]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  664.204316][T13722]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  664.204319][T13722]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  664.204323][T13722]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  664.204325][T13722]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  664.204328][T13722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.204330][T13722]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  664.204335][T13722]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  664.204338][T13722]  ____sys_sendmsg (net/socket.c:2713)
[  664.204341][T13722]  ? copy_msghdr_from_user (net/socket.c:2650)
[  664.204343][T13722]  ? sock_write_iter (net/socket.c:1269)
[  664.204346][T13722]  ? move_addr_to_kernel (net/socket.c:258)
[  664.204348][T13722]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  664.204352][T13722]  ___sys_sendmsg (net/socket.c:2767)
[  664.204355][T13722]  ? copy_msghdr_from_user (net/socket.c:2619)
[  664.204364][T13722]  __sys_sendmsg (net/socket.c:2799)
[  664.204368][T13722]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  664.204373][T13722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.204376][T13722]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  664.204379][T13722]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  664.204382][T13722]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  664.204384][T13722] RIP: 0033:0x7fb620d1e54e
[  664.204387][T13722] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  664.204390][T13722] RSP: 002b:00007fff055d14c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  664.204394][T13722] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb620d1e54e
[  664.204397][T13722] RDX: 0000000000000000 RSI: 00007fff055d1570 RDI: 0000000000000005
[  664.204398][T13722] RBP: 00007fff055d14d0 R08: 0000000000000000 R09: 0000000000000000
[  664.204400][T13722] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c46
[  664.204401][T13722] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff055d1c30
| [  665.943962][T13797] softirqs last disabled at (0): 0x0
| [  665.943965][T13797] Preemption disabled at:
| [  665.943966][T13797] vprintk_emit (kernel/printk/printk.c:2471)
| [  665.943980][T13797] Tainted: [W]=WARN
[  665.943981][T13797] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  665.943983][T13797] Call Trace:
[  665.943986][T13797]  <TASK>
[  665.943987][T13797]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  665.943994][T13797]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  665.943997][T13797]  __might_resched.cold (kernel/sched/core.c:9234)
[  665.944002][T13797]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  665.944005][T13797]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  665.944009][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944013][T13797]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  665.944017][T13797]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  665.944020][T13797]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  665.944027][T13797]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  665.944029][T13797]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  665.944033][T13797]  put_chars (drivers/char/virtio_console.c:1176)
[  665.944036][T13797]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  665.944039][T13797]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  665.944043][T13797]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  665.944049][T13797]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  665.944052][T13797]  ? vsnprintf (lib/vsprintf.c:2900)
[  665.944057][T13797]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  665.944059][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944062][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944065][T13797]  console_emit_next_record (kernel/printk/printk.c:3183)
[  665.944071][T13797]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  665.944074][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944076][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944078][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944080][T13797]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.944083][T13797]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  665.944086][T13797]  console_flush_one_record (kernel/printk/printk.c:3268)
[  665.944089][T13797]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  665.944094][T13797]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  665.944096][T13797]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.944099][T13797]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  665.944102][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944104][T13797]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  665.944106][T13797]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  665.944108][T13797]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  665.944111][T13797]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  665.944114][T13797]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  665.944116][T13797]  vprintk_emit (kernel/printk/printk.c:2479)
[  665.944119][T13797]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  665.944122][T13797]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  665.944125][T13797]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  665.944129][T13797]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.944131][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944134][T13797]  _printk (kernel/printk/printk.c:2504)
[  665.944138][T13797]  ? snapshot_read.cold (user.c:?)
[  665.944142][T13797]  ? br_multicast_flood (??:?)
[  665.944146][T13797]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  665.944149][T13797]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  665.944151][T13797]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  665.944154][T13797]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  665.944158][T13797]  br_init_port (net/bridge/br_stp_if.c:39)
[  665.944161][T13797]  new_nbp (net/bridge/br_if.c:449)
[  665.944165][T13797]  br_add_if (net/bridge/br_if.c:592)
[  665.944167][T13797]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  665.944174][T13797]  do_set_master (net/core/rtnetlink.c:3071)
[  665.944177][T13797]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  665.944180][T13797]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  665.944182][T13797]  ? __dev_get_by_name (net/core/dev.c:905)
[  665.944185][T13797]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  665.944190][T13797]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  665.944195][T13797]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  665.944198][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944201][T13797]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  665.944203][T13797]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.944206][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944209][T13797]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  665.944212][T13797]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  665.944216][T13797]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  665.944219][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944221][T13797]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.944224][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944226][T13797]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  665.944228][T13797]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  665.944231][T13797]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  665.944234][T13797]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  665.944236][T13797]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  665.944242][T13797]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  665.944246][T13797]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  665.944248][T13797]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  665.944251][T13797]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  665.944253][T13797]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  665.944258][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944260][T13797]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  665.944263][T13797]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  665.944266][T13797]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  665.944269][T13797]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  665.944271][T13797]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  665.944275][T13797]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  665.944279][T13797]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  665.944282][T13797]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.944285][T13797]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  665.944290][T13797]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  665.944294][T13797]  ____sys_sendmsg (net/socket.c:2713)
[  665.944297][T13797]  ? copy_msghdr_from_user (net/socket.c:2650)
[  665.944300][T13797]  ? sock_write_iter (net/socket.c:1269)
[  665.944303][T13797]  ? move_addr_to_kernel (net/socket.c:258)
[  665.944306][T13797]  ? pick_eevdf (kernel/sched/fair.c:969 kernel/sched/fair.c:1201)
[  665.944311][T13797]  ___sys_sendmsg (net/socket.c:2767)
[  665.944314][T13797]  ? copy_msghdr_from_user (net/socket.c:2619)
[  665.944319][T13797]  ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1))
[  665.944323][T13797]  ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1))
[  665.944328][T13797]  ? rcu_core (kernel/rcu/tree.c:2927 (discriminator 1))
[  665.944331][T13797]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[  665.944334][T13797]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  665.944337][T13797]  __sys_sendmsg (net/socket.c:2799)
[  665.944340][T13797]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  665.944344][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944346][T13797]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.944349][T13797]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  665.944352][T13797]  ? irq_exit_rcu (kernel/softirq.c:786)
[  665.944356][T13797]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  665.944359][T13797] RIP: 0033:0x7fd63eada54e
[  665.944362][T13797] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  665.944365][T13797] RSP: 002b:00007ffc348f37a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  665.944370][T13797] RAX: ffffffffffffffda RBX: 00007ffc348f3f68 RCX: 00007fd63eada54e
[  665.944372][T13797] RDX: 0000000000000000 RSI: 00007ffc348f3850 RDI: 0000000000000005
[  665.944374][T13797] RBP: 00007ffc348f37b0 R08: 0000000000000000 R09: 0000000000000000
[  665.944376][T13797] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c48
[  665.944378][T13797] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc348f3f20
| [  666.998591][T13835] softirqs last disabled at (0): 0x0
| [  666.998595][T13835] Preemption disabled at:
| [  666.998597][T13835] vprintk_emit (kernel/printk/printk.c:2471)
| [  666.998615][T13835] Tainted: [W]=WARN
[  666.998619][T13835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  666.998621][T13835] Call Trace:
[  666.998624][T13835]  <TASK>
[  666.998626][T13835]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  666.998634][T13835]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  666.998637][T13835]  __might_resched.cold (kernel/sched/core.c:9234)
[  666.998642][T13835]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  666.998660][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.998667][T13835]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  666.998674][T13835]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  666.998681][T13835]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  666.998689][T13835]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  666.998692][T13835]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  666.998696][T13835]  put_chars (drivers/char/virtio_console.c:1176)
[  666.998698][T13835]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  666.998700][T13835]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  666.998704][T13835]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  666.998712][T13835]  ? pointer (lib/vsprintf.c:2577)
[  666.998719][T13835]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  666.998729][T13835]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  666.998735][T13835]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  666.998738][T13835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.998742][T13835]  console_emit_next_record (kernel/printk/printk.c:3183)
[  666.998747][T13835]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  666.998750][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.998752][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.998755][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.998760][T13835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.998764][T13835]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  666.998770][T13835]  console_flush_one_record (kernel/printk/printk.c:3268)
[  666.998776][T13835]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  666.998788][T13835]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  666.998792][T13835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.998795][T13835]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  666.998797][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.998799][T13835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  666.998801][T13835]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  666.998804][T13835]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  666.998811][T13835]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  666.998815][T13835]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  666.998821][T13835]  vprintk_emit (kernel/printk/printk.c:2479)
[  666.998826][T13835]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  666.998832][T13835]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  666.998836][T13835]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  666.998840][T13835]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  666.998844][T13835]  _printk (kernel/printk/printk.c:2504)
[  666.998848][T13835]  ? snapshot_read.cold (user.c:?)
[  666.998851][T13835]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  666.998855][T13835]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  666.998859][T13835]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  666.998863][T13835]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  666.998871][T13835]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  666.998879][T13835]  ? netdev_notice (net/core/dev.c:13194)
[  666.998884][T13835]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  666.998890][T13835]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  666.998895][T13835]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  666.998897][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.998899][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.998901][T13835]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  666.998903][T13835]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  666.998906][T13835]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  666.998908][T13835]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  666.998910][T13835]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  666.998918][T13835]  ? register_netdev (net/core/dev.c:11618)
[  666.998921][T13835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  666.998928][T13835]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  666.998936][T13835]  ? __kernel_text_address (kernel/extable.c:79)
[  666.998941][T13835]  ? write_profile (profile.c:?)
[  666.998945][T13835]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  666.998950][T13835]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  666.998954][T13835]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  666.998956][T13835]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  666.998958][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.998964][T13835]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  666.998970][T13835]  ? kasan_save_stack (mm/kasan/common.c:58)
[  666.998976][T13835]  ? kasan_save_stack (mm/kasan/common.c:57)
[  666.998979][T13835]  ? kasan_save_track (mm/kasan/common.c:78)
[  666.998981][T13835]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  666.998987][T13835]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  666.998989][T13835]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  666.998991][T13835]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  666.998993][T13835]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  666.998997][T13835]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  666.998999][T13835]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  666.999002][T13835]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  666.999005][T13835]  ? ____sys_sendmsg (net/socket.c:2713)
[  666.999007][T13835]  ? ___sys_sendmsg (net/socket.c:2767)
[  666.999010][T13835]  ? __sys_sendmsg (net/socket.c:2799)
[  666.999012][T13835]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  666.999015][T13835]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  666.999021][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999026][T13835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.999029][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999034][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999038][T13835]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  666.999041][T13835]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  666.999043][T13835]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  666.999049][T13835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  666.999053][T13835]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  666.999055][T13835]  ? nla_get_range_signed (lib/nlattr.c:270)
[  666.999060][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999062][T13835]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  666.999066][T13835]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  666.999070][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999072][T13835]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  666.999074][T13835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.999076][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999080][T13835]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  666.999087][T13835]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  666.999091][T13835]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  666.999097][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999100][T13835]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  666.999109][T13835]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  666.999113][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999115][T13835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.999117][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999120][T13835]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  666.999122][T13835]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  666.999125][T13835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  666.999127][T13835]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  666.999130][T13835]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  666.999137][T13835]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  666.999142][T13835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  666.999149][T13835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  666.999152][T13835]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  666.999157][T13835]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  666.999164][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999166][T13835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  666.999169][T13835]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  666.999173][T13835]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  666.999176][T13835]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  666.999179][T13835]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  666.999186][T13835]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  666.999190][T13835]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  666.999196][T13835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.999200][T13835]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  666.999210][T13835]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  666.999214][T13835]  ____sys_sendmsg (net/socket.c:2713)
[  666.999216][T13835]  ? copy_msghdr_from_user (net/socket.c:2650)
[  666.999219][T13835]  ? sock_write_iter (net/socket.c:1269)
[  666.999221][T13835]  ? move_addr_to_kernel (net/socket.c:258)
[  666.999223][T13835]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  666.999228][T13835]  ___sys_sendmsg (net/socket.c:2767)
[  666.999231][T13835]  ? copy_msghdr_from_user (net/socket.c:2619)
[  666.999239][T13835]  __sys_sendmsg (net/socket.c:2799)
[  666.999242][T13835]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  666.999251][T13835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999255][T13835]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  666.999261][T13835]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  666.999267][T13835]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  666.999272][T13835] RIP: 0033:0x7fdf7af6254e
[  666.999276][T13835] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  666.999278][T13835] RSP: 002b:00007ffed655e920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  666.999284][T13835] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdf7af6254e
[  666.999286][T13835] RDX: 0000000000000000 RSI: 00007ffed655e9d0 RDI: 0000000000000005
[  666.999288][T13835] RBP: 00007ffed655e930 R08: 0000000000000000 R09: 0000000000000000
[  666.999289][T13835] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c49
[  666.999291][T13835] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed655f090
| [  668.690612][T13893] softirqs last disabled at (0): 0x0
| [  668.690615][T13893] Preemption disabled at:
| [  668.690616][T13893] vprintk_emit (kernel/printk/printk.c:2471)
| [  668.690630][T13893] Tainted: [W]=WARN
[  668.690631][T13893] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  668.690634][T13893] Call Trace:
[  668.690636][T13893]  <TASK>
[  668.690638][T13893]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  668.690645][T13893]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  668.690647][T13893]  __might_resched.cold (kernel/sched/core.c:9234)
[  668.690652][T13893]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  668.690655][T13893]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  668.690665][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690669][T13893]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  668.690673][T13893]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  668.690677][T13893]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  668.690683][T13893]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  668.690686][T13893]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  668.690690][T13893]  put_chars (drivers/char/virtio_console.c:1176)
[  668.690692][T13893]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  668.690695][T13893]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  668.690699][T13893]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  668.690705][T13893]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  668.690707][T13893]  ? vsnprintf (lib/vsprintf.c:2900)
[  668.690712][T13893]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  668.690714][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690716][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690719][T13893]  console_emit_next_record (kernel/printk/printk.c:3183)
[  668.690723][T13893]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  668.690726][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690728][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690730][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690733][T13893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.690737][T13893]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  668.690740][T13893]  console_flush_one_record (kernel/printk/printk.c:3268)
[  668.690744][T13893]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  668.690748][T13893]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  668.690751][T13893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.690754][T13893]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  668.690756][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690758][T13893]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  668.690760][T13893]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  668.690763][T13893]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  668.690765][T13893]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  668.690768][T13893]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  668.690771][T13893]  vprintk_emit (kernel/printk/printk.c:2479)
[  668.690773][T13893]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  668.690775][T13893]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  668.690778][T13893]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  668.690782][T13893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.690784][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690786][T13893]  _printk (kernel/printk/printk.c:2504)
[  668.690790][T13893]  ? snapshot_read.cold (user.c:?)
[  668.690794][T13893]  ? br_multicast_flood (??:?)
[  668.690798][T13893]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  668.690802][T13893]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  668.690804][T13893]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  668.690808][T13893]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  668.690812][T13893]  br_init_port (net/bridge/br_stp_if.c:39)
[  668.690815][T13893]  new_nbp (net/bridge/br_if.c:449)
[  668.690819][T13893]  br_add_if (net/bridge/br_if.c:592)
[  668.690822][T13893]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  668.690828][T13893]  do_set_master (net/core/rtnetlink.c:3071)
[  668.690831][T13893]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  668.690834][T13893]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  668.690836][T13893]  ? __dev_get_by_name (net/core/dev.c:905)
[  668.690839][T13893]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  668.690844][T13893]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  668.690849][T13893]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  668.690852][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690854][T13893]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  668.690856][T13893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.690859][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690861][T13893]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  668.690864][T13893]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  668.690868][T13893]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  668.690871][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690873][T13893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.690875][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690878][T13893]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  668.690880][T13893]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  668.690884][T13893]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  668.690886][T13893]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  668.690889][T13893]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  668.690894][T13893]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  668.690899][T13893]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  668.690901][T13893]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  668.690904][T13893]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  668.690907][T13893]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  668.690911][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690913][T13893]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  668.690917][T13893]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  668.690920][T13893]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  668.690923][T13893]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  668.690926][T13893]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  668.690930][T13893]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  668.690934][T13893]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  668.690937][T13893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.690939][T13893]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  668.690944][T13893]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  668.690948][T13893]  ____sys_sendmsg (net/socket.c:2713)
[  668.690950][T13893]  ? copy_msghdr_from_user (net/socket.c:2650)
[  668.690953][T13893]  ? sock_write_iter (net/socket.c:1269)
[  668.690956][T13893]  ? move_addr_to_kernel (net/socket.c:258)
[  668.690960][T13893]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  668.690964][T13893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.690967][T13893]  ___sys_sendmsg (net/socket.c:2767)
[  668.690970][T13893]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  668.690973][T13893]  ? copy_msghdr_from_user (net/socket.c:2619)
[  668.690976][T13893]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  668.690984][T13893]  __sys_sendmsg (net/socket.c:2799)
[  668.690987][T13893]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  668.690991][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690993][T13893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.690996][T13893]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  668.690999][T13893]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  668.691002][T13893]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  668.691005][T13893] RIP: 0033:0x7f7103f8554e
[  668.691008][T13893] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  668.691011][T13893] RSP: 002b:00007ffd3e465af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  668.691016][T13893] RAX: ffffffffffffffda RBX: 00007ffd3e4662b8 RCX: 00007f7103f8554e
[  668.691018][T13893] RDX: 0000000000000000 RSI: 00007ffd3e465ba0 RDI: 0000000000000005
[  668.691019][T13893] RBP: 00007ffd3e465b00 R08: 0000000000000000 R09: 0000000000000000
[  668.691021][T13893] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c4b
[  668.691022][T13893] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3e466270
| [  675.030331][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  675.030336][   T12] Preemption disabled at:
| [  675.030338][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  675.030355][   T12] Tainted: [W]=WARN
[  675.030357][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  675.030360][   T12] Workqueue: netns cleanup_net
[  675.030368][   T12] Call Trace:
[  675.030371][   T12]  <TASK>
[  675.030374][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  675.030385][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  675.030390][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  675.030398][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  675.030403][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  675.030407][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.030411][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  675.030415][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  675.030419][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  675.030424][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  675.030427][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  675.030430][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  675.030433][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  675.030436][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  675.030444][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  675.030455][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  675.030461][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  675.030467][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  675.030470][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.030472][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.030475][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  675.030479][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  675.030483][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.030484][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.030486][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.030488][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.030496][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  675.030500][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  675.030509][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  675.030516][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  675.030521][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.030524][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  675.030526][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.030528][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  675.030530][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  675.030533][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  675.030535][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  675.030538][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  675.030540][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  675.030543][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  675.030545][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  675.030548][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  675.030551][   T12]  ? kthread (kernel/kthread.c:436)
[  675.030558][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  675.030562][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  675.030571][   T12]  _printk (kernel/printk/printk.c:2504)
[  675.030579][   T12]  ? snapshot_read.cold (user.c:?)
[  675.030584][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  675.030589][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  675.030592][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  675.030595][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  675.030599][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.030601][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  675.030603][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  675.030607][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  675.030609][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  675.030612][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  675.030617][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  675.030624][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  675.030635][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  675.030643][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  675.030647][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  675.030651][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  675.030654][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  675.030658][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  675.030661][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  675.030664][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.030670][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.030674][   T12]  process_one_work (kernel/workqueue.c:3387)
[  675.030682][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  675.030690][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  675.030705][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  675.030711][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  675.030714][   T12]  kthread (kernel/kthread.c:436)
[  675.030716][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  675.030719][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  675.030722][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  675.030727][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  675.030733][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  675.030741][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  675.030745][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  676.089413][T13983] softirqs last disabled at (0): 0x0
| [  676.089415][T13983] Preemption disabled at:
| [  676.089417][T13983] vprintk_emit (kernel/printk/printk.c:2471)
| [  676.089430][T13983] Tainted: [W]=WARN
[  676.089431][T13983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  676.089433][T13983] Call Trace:
[  676.089435][T13983]  <TASK>
[  676.089437][T13983]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  676.089444][T13983]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  676.089446][T13983]  __might_resched.cold (kernel/sched/core.c:9234)
[  676.089452][T13983]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  676.089456][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089460][T13983]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  676.089464][T13983]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.089468][T13983]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  676.089475][T13983]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  676.089478][T13983]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  676.089482][T13983]  put_chars (drivers/char/virtio_console.c:1176)
[  676.089484][T13983]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  676.089486][T13983]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  676.089490][T13983]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  676.089493][T13983]  ? pointer (lib/vsprintf.c:2577)
[  676.089497][T13983]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  676.089504][T13983]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  676.089506][T13983]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.089509][T13983]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.089513][T13983]  console_emit_next_record (kernel/printk/printk.c:3183)
[  676.089517][T13983]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  676.089520][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089522][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089524][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089527][T13983]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.089530][T13983]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  676.089533][T13983]  console_flush_one_record (kernel/printk/printk.c:3268)
[  676.089537][T13983]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  676.089542][T13983]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  676.089545][T13983]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.089548][T13983]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  676.089551][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089553][T13983]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.089555][T13983]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  676.089558][T13983]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  676.089561][T13983]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  676.089564][T13983]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  676.089566][T13983]  vprintk_emit (kernel/printk/printk.c:2479)
[  676.089569][T13983]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  676.089571][T13983]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  676.089574][T13983]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  676.089578][T13983]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  676.089582][T13983]  _printk (kernel/printk/printk.c:2504)
[  676.089586][T13983]  ? snapshot_read.cold (user.c:?)
[  676.089589][T13983]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  676.089592][T13983]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  676.089596][T13983]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  676.089599][T13983]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  676.089603][T13983]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  676.089607][T13983]  ? netdev_notice (net/core/dev.c:13194)
[  676.089611][T13983]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  676.089613][T13983]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  676.089617][T13983]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.089620][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089622][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089624][T13983]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  676.089627][T13983]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  676.089630][T13983]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  676.089632][T13983]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  676.089635][T13983]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  676.089638][T13983]  ? register_netdev (net/core/dev.c:11618)
[  676.089640][T13983]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.089643][T13983]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  676.089648][T13983]  ? __kernel_text_address (kernel/extable.c:79)
[  676.089651][T13983]  ? write_profile (profile.c:?)
[  676.089655][T13983]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  676.089660][T13983]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  676.089663][T13983]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  676.089665][T13983]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  676.089667][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089669][T13983]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  676.089674][T13983]  ? kasan_save_stack (mm/kasan/common.c:58)
[  676.089676][T13983]  ? kasan_save_stack (mm/kasan/common.c:57)
[  676.089678][T13983]  ? kasan_save_track (mm/kasan/common.c:78)
[  676.089680][T13983]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  676.089682][T13983]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  676.089684][T13983]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  676.089687][T13983]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  676.089689][T13983]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  676.089694][T13983]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  676.089697][T13983]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  676.089699][T13983]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  676.089709][T13983]  ? ____sys_sendmsg (net/socket.c:2713)
[  676.089711][T13983]  ? ___sys_sendmsg (net/socket.c:2767)
[  676.089714][T13983]  ? __sys_sendmsg (net/socket.c:2799)
[  676.089717][T13983]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  676.089720][T13983]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  676.089725][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089727][T13983]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.089730][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089731][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089734][T13983]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  676.089736][T13983]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  676.089738][T13983]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  676.089741][T13983]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  676.089744][T13983]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  676.089745][T13983]  ? nla_get_range_signed (lib/nlattr.c:270)
[  676.089750][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089753][T13983]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  676.089756][T13983]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  676.089759][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089762][T13983]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.089764][T13983]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.089766][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089768][T13983]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  676.089771][T13983]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  676.089774][T13983]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  676.089776][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089779][T13983]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  676.089783][T13983]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  676.089786][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089789][T13983]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.089791][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089794][T13983]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.089796][T13983]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  676.089799][T13983]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  676.089802][T13983]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  676.089805][T13983]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  676.089809][T13983]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  676.089812][T13983]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  676.089815][T13983]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.089818][T13983]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  676.089820][T13983]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  676.089825][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089828][T13983]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.089831][T13983]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  676.089835][T13983]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  676.089838][T13983]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  676.089841][T13983]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  676.089845][T13983]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  676.089847][T13983]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  676.089850][T13983]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.089852][T13983]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  676.089857][T13983]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  676.089860][T13983]  ____sys_sendmsg (net/socket.c:2713)
[  676.089862][T13983]  ? copy_msghdr_from_user (net/socket.c:2650)
[  676.089865][T13983]  ? sock_write_iter (net/socket.c:1269)
[  676.089867][T13983]  ? move_addr_to_kernel (net/socket.c:258)
[  676.089869][T13983]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  676.089873][T13983]  ___sys_sendmsg (net/socket.c:2767)
[  676.089876][T13983]  ? copy_msghdr_from_user (net/socket.c:2619)
[  676.089885][T13983]  __sys_sendmsg (net/socket.c:2799)
[  676.089888][T13983]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  676.089893][T13983]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.089896][T13983]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  676.089899][T13983]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  676.089902][T13983]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  676.089904][T13983] RIP: 0033:0x7fc97bf4854e
[  676.089907][T13983] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  676.089910][T13983] RSP: 002b:00007fff3f07fa10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  676.089915][T13983] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc97bf4854e
[  676.089917][T13983] RDX: 0000000000000000 RSI: 00007fff3f07fac0 RDI: 0000000000000005
[  676.089919][T13983] RBP: 00007fff3f07fa20 R08: 0000000000000000 R09: 0000000000000000
[  676.089921][T13983] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c52
[  676.089922][T13983] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3f080180
| [  677.806345][T14058] softirqs last disabled at (0): 0x0
| [  677.806348][T14058] Preemption disabled at:
| [  677.806349][T14058] vprintk_emit (kernel/printk/printk.c:2471)
| [  677.806362][T14058] Tainted: [W]=WARN
[  677.806364][T14058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  677.806366][T14058] Call Trace:
[  677.806368][T14058]  <TASK>
[  677.806370][T14058]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  677.806377][T14058]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  677.806379][T14058]  __might_resched.cold (kernel/sched/core.c:9234)
[  677.806383][T14058]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  677.806386][T14058]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  677.806391][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806394][T14058]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  677.806399][T14058]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  677.806403][T14058]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  677.806410][T14058]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  677.806412][T14058]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  677.806416][T14058]  put_chars (drivers/char/virtio_console.c:1176)
[  677.806419][T14058]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  677.806422][T14058]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  677.806426][T14058]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  677.806432][T14058]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  677.806435][T14058]  ? vsnprintf (lib/vsprintf.c:2900)
[  677.806439][T14058]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  677.806442][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806443][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806446][T14058]  console_emit_next_record (kernel/printk/printk.c:3183)
[  677.806450][T14058]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  677.806453][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806455][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806457][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806459][T14058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.806462][T14058]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  677.806465][T14058]  console_flush_one_record (kernel/printk/printk.c:3268)
[  677.806469][T14058]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  677.806473][T14058]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  677.806476][T14058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.806479][T14058]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  677.806482][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806484][T14058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  677.806487][T14058]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  677.806489][T14058]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  677.806492][T14058]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  677.806495][T14058]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  677.806497][T14058]  vprintk_emit (kernel/printk/printk.c:2479)
[  677.806500][T14058]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  677.806502][T14058]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  677.806505][T14058]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  677.806508][T14058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.806511][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806513][T14058]  _printk (kernel/printk/printk.c:2504)
[  677.806517][T14058]  ? snapshot_read.cold (user.c:?)
[  677.806520][T14058]  ? br_multicast_flood (??:?)
[  677.806524][T14058]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  677.806528][T14058]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  677.806530][T14058]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  677.806533][T14058]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  677.806537][T14058]  br_init_port (net/bridge/br_stp_if.c:39)
[  677.806540][T14058]  new_nbp (net/bridge/br_if.c:449)
[  677.806543][T14058]  br_add_if (net/bridge/br_if.c:592)
[  677.806546][T14058]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  677.806552][T14058]  do_set_master (net/core/rtnetlink.c:3071)
[  677.806556][T14058]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  677.806559][T14058]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  677.806561][T14058]  ? __dev_get_by_name (net/core/dev.c:905)
[  677.806564][T14058]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  677.806570][T14058]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  677.806574][T14058]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  677.806578][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806580][T14058]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  677.806582][T14058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.806584][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806587][T14058]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  677.806590][T14058]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  677.806593][T14058]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  677.806596][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806598][T14058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.806600][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806602][T14058]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  677.806605][T14058]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  677.806607][T14058]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  677.806610][T14058]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  677.806612][T14058]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  677.806618][T14058]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  677.806622][T14058]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  677.806625][T14058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  677.806627][T14058]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  677.806630][T14058]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  677.806635][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806637][T14058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  677.806640][T14058]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  677.806643][T14058]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  677.806646][T14058]  ? next_uptodate_folio (mm/filemap.c:3747)
[  677.806651][T14058]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  677.806654][T14058]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  677.806657][T14058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.806660][T14058]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  677.806664][T14058]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  677.806668][T14058]  ____sys_sendmsg (net/socket.c:2713)
[  677.806671][T14058]  ? copy_msghdr_from_user (net/socket.c:2650)
[  677.806673][T14058]  ? sock_write_iter (net/socket.c:1269)
[  677.806675][T14058]  ? move_addr_to_kernel (net/socket.c:258)
[  677.806679][T14058]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  677.806682][T14058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.806685][T14058]  ___sys_sendmsg (net/socket.c:2767)
[  677.806688][T14058]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  677.806691][T14058]  ? copy_msghdr_from_user (net/socket.c:2619)
[  677.806694][T14058]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  677.806702][T14058]  __sys_sendmsg (net/socket.c:2799)
[  677.806706][T14058]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  677.806710][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806717][T14058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.806720][T14058]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  677.806723][T14058]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  677.806726][T14058]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  677.806729][T14058] RIP: 0033:0x7f9b5c24354e
[  677.806732][T14058] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  677.806734][T14058] RSP: 002b:00007ffcd5dba3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  677.806739][T14058] RAX: ffffffffffffffda RBX: 00007ffcd5dbabb8 RCX: 00007f9b5c24354e
[  677.806741][T14058] RDX: 0000000000000000 RSI: 00007ffcd5dba4a0 RDI: 0000000000000005
[  677.806743][T14058] RBP: 00007ffcd5dba400 R08: 0000000000000000 R09: 0000000000000000
[  677.806744][T14058] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c54
[  677.806746][T14058] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd5dbab70
| [  678.886402][T14097] softirqs last disabled at (0): 0x0
| [  678.886404][T14097] Preemption disabled at:
| [  678.886405][T14097] vprintk_emit (kernel/printk/printk.c:2471)
| [  678.886419][T14097] Tainted: [W]=WARN
[  678.886420][T14097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  678.886422][T14097] Call Trace:
[  678.886424][T14097]  <TASK>
[  678.886426][T14097]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  678.886433][T14097]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  678.886436][T14097]  __might_resched.cold (kernel/sched/core.c:9234)
[  678.886441][T14097]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  678.886445][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886449][T14097]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  678.886453][T14097]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  678.886457][T14097]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  678.886463][T14097]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  678.886466][T14097]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  678.886469][T14097]  put_chars (drivers/char/virtio_console.c:1176)
[  678.886472][T14097]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  678.886474][T14097]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  678.886477][T14097]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  678.886480][T14097]  ? pointer (lib/vsprintf.c:2577)
[  678.886485][T14097]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  678.886491][T14097]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  678.886493][T14097]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  678.886496][T14097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.886500][T14097]  console_emit_next_record (kernel/printk/printk.c:3183)
[  678.886505][T14097]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  678.886508][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886510][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886512][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886515][T14097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.886518][T14097]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  678.886521][T14097]  console_flush_one_record (kernel/printk/printk.c:3268)
[  678.886525][T14097]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  678.886530][T14097]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  678.886532][T14097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.886535][T14097]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  678.886537][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886539][T14097]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  678.886541][T14097]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  678.886544][T14097]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  678.886546][T14097]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  678.886549][T14097]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  678.886552][T14097]  vprintk_emit (kernel/printk/printk.c:2479)
[  678.886554][T14097]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  678.886556][T14097]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  678.886560][T14097]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  678.886564][T14097]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  678.886567][T14097]  _printk (kernel/printk/printk.c:2504)
[  678.886571][T14097]  ? snapshot_read.cold (user.c:?)
[  678.886574][T14097]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  678.886578][T14097]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  678.886582][T14097]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  678.886585][T14097]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  678.886590][T14097]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  678.886593][T14097]  ? netdev_notice (net/core/dev.c:13194)
[  678.886597][T14097]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  678.886600][T14097]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  678.886603][T14097]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  678.886605][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886607][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886609][T14097]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  678.886611][T14097]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  678.886614][T14097]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  678.886616][T14097]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  678.886618][T14097]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  678.886621][T14097]  ? register_netdev (net/core/dev.c:11618)
[  678.886623][T14097]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  678.886626][T14097]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  678.886630][T14097]  ? __kernel_text_address (kernel/extable.c:79)
[  678.886633][T14097]  ? write_profile (profile.c:?)
[  678.886637][T14097]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  678.886642][T14097]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  678.886645][T14097]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  678.886647][T14097]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  678.886649][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886651][T14097]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  678.886656][T14097]  ? kasan_save_stack (mm/kasan/common.c:58)
[  678.886659][T14097]  ? kasan_save_stack (mm/kasan/common.c:57)
[  678.886661][T14097]  ? kasan_save_track (mm/kasan/common.c:78)
[  678.886664][T14097]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  678.886666][T14097]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  678.886668][T14097]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  678.886671][T14097]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  678.886673][T14097]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  678.886677][T14097]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  678.886680][T14097]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  678.886682][T14097]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  678.886686][T14097]  ? ____sys_sendmsg (net/socket.c:2713)
[  678.886688][T14097]  ? ___sys_sendmsg (net/socket.c:2767)
[  678.886690][T14097]  ? __sys_sendmsg (net/socket.c:2799)
[  678.886693][T14097]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  678.886696][T14097]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  678.886700][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886702][T14097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.886704][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886706][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886708][T14097]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  678.886710][T14097]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  678.886712][T14097]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  678.886714][T14097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  678.886717][T14097]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  678.886724][T14097]  ? nla_get_range_signed (lib/nlattr.c:270)
[  678.886729][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886731][T14097]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  678.886735][T14097]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  678.886738][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886741][T14097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  678.886743][T14097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.886746][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886749][T14097]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  678.886753][T14097]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  678.886755][T14097]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  678.886758][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886760][T14097]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  678.886764][T14097]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  678.886768][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886770][T14097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.886772][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886774][T14097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  678.886777][T14097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  678.886779][T14097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  678.886782][T14097]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  678.886784][T14097]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  678.886788][T14097]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  678.886790][T14097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  678.886793][T14097]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  678.886795][T14097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  678.886797][T14097]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  678.886802][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886804][T14097]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  678.886807][T14097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  678.886810][T14097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  678.886813][T14097]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  678.886817][T14097]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  678.886821][T14097]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  678.886823][T14097]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  678.886826][T14097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.886829][T14097]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  678.886834][T14097]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  678.886837][T14097]  ____sys_sendmsg (net/socket.c:2713)
[  678.886840][T14097]  ? copy_msghdr_from_user (net/socket.c:2650)
[  678.886843][T14097]  ? sock_write_iter (net/socket.c:1269)
[  678.886845][T14097]  ? move_addr_to_kernel (net/socket.c:258)
[  678.886847][T14097]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  678.886852][T14097]  ___sys_sendmsg (net/socket.c:2767)
[  678.886854][T14097]  ? copy_msghdr_from_user (net/socket.c:2619)
[  678.886862][T14097]  __sys_sendmsg (net/socket.c:2799)
[  678.886865][T14097]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  678.886870][T14097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.886872][T14097]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  678.886875][T14097]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  678.886877][T14097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  678.886880][T14097] RIP: 0033:0x7f4abd39454e
[  678.886883][T14097] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  678.886885][T14097] RSP: 002b:00007ffeb28ddcf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  678.886890][T14097] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4abd39454e
[  678.886892][T14097] RDX: 0000000000000000 RSI: 00007ffeb28ddda0 RDI: 0000000000000005
[  678.886893][T14097] RBP: 00007ffeb28ddd00 R08: 0000000000000000 R09: 0000000000000000
[  678.886895][T14097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c55
[  678.886897][T14097] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb28de460
| [  680.513945][T14148] softirqs last disabled at (0): 0x0
| [  680.513948][T14148] Preemption disabled at:
| [  680.513949][T14148] vprintk_emit (kernel/printk/printk.c:2471)
| [  680.513963][T14148] Tainted: [W]=WARN
[  680.513964][T14148] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  680.513967][T14148] Call Trace:
[  680.513969][T14148]  <TASK>
[  680.513971][T14148]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  680.513978][T14148]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  680.513980][T14148]  __might_resched.cold (kernel/sched/core.c:9234)
[  680.513985][T14148]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  680.513988][T14148]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  680.513992][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.513996][T14148]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  680.514000][T14148]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  680.514004][T14148]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  680.514011][T14148]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  680.514013][T14148]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  680.514017][T14148]  put_chars (drivers/char/virtio_console.c:1176)
[  680.514020][T14148]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  680.514022][T14148]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  680.514026][T14148]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  680.514033][T14148]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  680.514036][T14148]  ? vsnprintf (lib/vsprintf.c:2900)
[  680.514040][T14148]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  680.514043][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514045][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514048][T14148]  console_emit_next_record (kernel/printk/printk.c:3183)
[  680.514052][T14148]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  680.514056][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514058][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514060][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514062][T14148]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.514066][T14148]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  680.514070][T14148]  console_flush_one_record (kernel/printk/printk.c:3268)
[  680.514074][T14148]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  680.514078][T14148]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  680.514081][T14148]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.514084][T14148]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  680.514087][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514089][T14148]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  680.514091][T14148]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  680.514093][T14148]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  680.514096][T14148]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  680.514099][T14148]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  680.514101][T14148]  vprintk_emit (kernel/printk/printk.c:2479)
[  680.514104][T14148]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  680.514106][T14148]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  680.514109][T14148]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  680.514113][T14148]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.514116][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514118][T14148]  _printk (kernel/printk/printk.c:2504)
[  680.514123][T14148]  ? snapshot_read.cold (user.c:?)
[  680.514126][T14148]  ? br_multicast_flood (??:?)
[  680.514131][T14148]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  680.514135][T14148]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  680.514137][T14148]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  680.514140][T14148]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  680.514144][T14148]  br_init_port (net/bridge/br_stp_if.c:39)
[  680.514147][T14148]  new_nbp (net/bridge/br_if.c:449)
[  680.514150][T14148]  br_add_if (net/bridge/br_if.c:592)
[  680.514153][T14148]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  680.514159][T14148]  do_set_master (net/core/rtnetlink.c:3071)
[  680.514163][T14148]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  680.514166][T14148]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  680.514168][T14148]  ? __dev_get_by_name (net/core/dev.c:905)
[  680.514171][T14148]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  680.514177][T14148]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  680.514181][T14148]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  680.514184][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514186][T14148]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  680.514188][T14148]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.514191][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514194][T14148]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  680.514197][T14148]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  680.514201][T14148]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  680.514204][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514207][T14148]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.514209][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514212][T14148]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  680.514214][T14148]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  680.514218][T14148]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  680.514220][T14148]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  680.514222][T14148]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  680.514228][T14148]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  680.514232][T14148]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  680.514234][T14148]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  680.514237][T14148]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  680.514239][T14148]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  680.514244][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514246][T14148]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  680.514249][T14148]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  680.514253][T14148]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  680.514256][T14148]  ? next_uptodate_folio (mm/filemap.c:3747)
[  680.514260][T14148]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  680.514263][T14148]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  680.514266][T14148]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.514269][T14148]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  680.514274][T14148]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  680.514278][T14148]  ____sys_sendmsg (net/socket.c:2713)
[  680.514281][T14148]  ? copy_msghdr_from_user (net/socket.c:2650)
[  680.514284][T14148]  ? sock_write_iter (net/socket.c:1269)
[  680.514286][T14148]  ? move_addr_to_kernel (net/socket.c:258)
[  680.514290][T14148]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  680.514294][T14148]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.514297][T14148]  ___sys_sendmsg (net/socket.c:2767)
[  680.514300][T14148]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  680.514303][T14148]  ? copy_msghdr_from_user (net/socket.c:2619)
[  680.514305][T14148]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  680.514313][T14148]  __sys_sendmsg (net/socket.c:2799)
[  680.514316][T14148]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  680.514320][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514322][T14148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.514325][T14148]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  680.514328][T14148]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  680.514331][T14148]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  680.514334][T14148] RIP: 0033:0x7f2377b5a54e
[  680.514337][T14148] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  680.514340][T14148] RSP: 002b:00007ffef5a1ca10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  680.514344][T14148] RAX: ffffffffffffffda RBX: 00007ffef5a1d1d8 RCX: 00007f2377b5a54e
[  680.514347][T14148] RDX: 0000000000000000 RSI: 00007ffef5a1cac0 RDI: 0000000000000005
[  680.514349][T14148] RBP: 00007ffef5a1ca20 R08: 0000000000000000 R09: 0000000000000000
[  680.514350][T14148] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c56
[  680.514352][T14148] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef5a1d190
| [  686.947349][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  686.947353][   T12] Preemption disabled at:
| [  686.947354][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  686.947366][   T12] Tainted: [W]=WARN
[  686.947368][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  686.947370][   T12] Workqueue: netns cleanup_net
[  686.947378][   T12] Call Trace:
[  686.947380][   T12]  <TASK>
[  686.947383][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  686.947389][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  686.947392][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  686.947396][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  686.947399][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  686.947403][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.947407][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  686.947411][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  686.947415][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  686.947421][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  686.947423][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  686.947427][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  686.947430][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  686.947433][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  686.947437][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  686.947444][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  686.947446][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  686.947451][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  686.947453][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.947455][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.947458][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  686.947462][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  686.947466][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.947467][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.947469][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.947471][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.947475][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  686.947478][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  686.947482][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  686.947487][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  686.947489][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.947492][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  686.947495][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.947497][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  686.947499][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  686.947502][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  686.947505][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  686.947507][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  686.947510][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  686.947513][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  686.947515][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  686.947518][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  686.947522][   T12]  ? kthread (kernel/kthread.c:436)
[  686.947525][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  686.947528][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  686.947532][   T12]  _printk (kernel/printk/printk.c:2504)
[  686.947536][   T12]  ? snapshot_read.cold (user.c:?)
[  686.947540][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  686.947544][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  686.947548][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  686.947551][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  686.947555][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.947557][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  686.947559][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  686.947563][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  686.947566][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  686.947568][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  686.947572][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  686.947576][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  686.947581][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  686.947584][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  686.947588][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  686.947591][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  686.947595][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  686.947599][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  686.947602][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  686.947605][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.947608][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.947611][   T12]  process_one_work (kernel/workqueue.c:3387)
[  686.947615][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  686.947619][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  686.947623][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  686.947628][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  686.947631][   T12]  kthread (kernel/kthread.c:436)
[  686.947634][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  686.947637][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  686.947640][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  686.947643][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  686.947646][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  686.947650][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  686.947653][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  687.973741][T14242] softirqs last disabled at (0): 0x0
| [  687.973744][T14242] Preemption disabled at:
| [  687.973746][T14242] vprintk_emit (kernel/printk/printk.c:2471)
| [  687.973759][T14242] Tainted: [W]=WARN
[  687.973761][T14242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  687.973764][T14242] Call Trace:
[  687.973766][T14242]  <TASK>
[  687.973768][T14242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  687.973781][T14242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  687.973783][T14242]  __might_resched.cold (kernel/sched/core.c:9234)
[  687.973789][T14242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  687.973793][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.973797][T14242]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  687.973801][T14242]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  687.973806][T14242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  687.973812][T14242]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  687.973815][T14242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  687.973819][T14242]  put_chars (drivers/char/virtio_console.c:1176)
[  687.973822][T14242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  687.973824][T14242]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  687.973828][T14242]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  687.973831][T14242]  ? pointer (lib/vsprintf.c:2577)
[  687.973836][T14242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  687.973843][T14242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  687.973846][T14242]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  687.973850][T14242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.973854][T14242]  console_emit_next_record (kernel/printk/printk.c:3183)
[  687.973858][T14242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  687.973862][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.973864][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.973867][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.973869][T14242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.973872][T14242]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  687.973875][T14242]  console_flush_one_record (kernel/printk/printk.c:3268)
[  687.973879][T14242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  687.973884][T14242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  687.973886][T14242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.973889][T14242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  687.973892][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.973893][T14242]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  687.973896][T14242]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  687.973898][T14242]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  687.973901][T14242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  687.973904][T14242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  687.973906][T14242]  vprintk_emit (kernel/printk/printk.c:2479)
[  687.973909][T14242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  687.973911][T14242]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  687.973914][T14242]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  687.973918][T14242]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  687.973922][T14242]  _printk (kernel/printk/printk.c:2504)
[  687.973926][T14242]  ? snapshot_read.cold (user.c:?)
[  687.973930][T14242]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  687.973933][T14242]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  687.973938][T14242]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  687.973941][T14242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  687.973945][T14242]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  687.973949][T14242]  ? netdev_notice (net/core/dev.c:13194)
[  687.973952][T14242]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  687.973955][T14242]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  687.973959][T14242]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  687.973962][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.973964][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.973966][T14242]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  687.973968][T14242]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  687.973971][T14242]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  687.973973][T14242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  687.973976][T14242]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  687.973979][T14242]  ? register_netdev (net/core/dev.c:11618)
[  687.973981][T14242]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  687.973984][T14242]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  687.973988][T14242]  ? __kernel_text_address (kernel/extable.c:79)
[  687.973991][T14242]  ? write_profile (profile.c:?)
[  687.973995][T14242]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  687.974000][T14242]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  687.974003][T14242]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  687.974006][T14242]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  687.974008][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.974010][T14242]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  687.974015][T14242]  ? kasan_save_stack (mm/kasan/common.c:58)
[  687.974018][T14242]  ? kasan_save_stack (mm/kasan/common.c:57)
[  687.974021][T14242]  ? kasan_save_track (mm/kasan/common.c:78)
[  687.974023][T14242]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  687.974025][T14242]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  687.974027][T14242]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  687.974029][T14242]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  687.974032][T14242]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  687.974036][T14242]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  687.974038][T14242]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  687.974041][T14242]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  687.974045][T14242]  ? ____sys_sendmsg (net/socket.c:2713)
[  687.974047][T14242]  ? ___sys_sendmsg (net/socket.c:2767)
[  687.974050][T14242]  ? __sys_sendmsg (net/socket.c:2799)
[  687.974053][T14242]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  687.974056][T14242]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  687.974060][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.974063][T14242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.974069][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.974072][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.974074][T14242]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  687.974077][T14242]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  687.974080][T14242]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  687.974082][T14242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  687.974086][T14242]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  687.974088][T14242]  ? nla_get_range_signed (lib/nlattr.c:270)
[  687.974092][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.974095][T14242]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  687.974098][T14242]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  687.974102][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.974104][T14242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  687.974106][T14242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.974108][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.974111][T14242]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  687.974115][T14242]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  687.974117][T14242]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  687.974120][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.974122][T14242]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  687.974126][T14242]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  687.974129][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.974131][T14242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.974134][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.974136][T14242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  687.974139][T14242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  687.974142][T14242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  687.974145][T14242]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  687.974148][T14242]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  687.974152][T14242]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  687.974155][T14242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  687.974158][T14242]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  687.974161][T14242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  687.974164][T14242]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  687.974169][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.974171][T14242]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  687.974174][T14242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  687.974178][T14242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  687.974181][T14242]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  687.974184][T14242]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  687.974188][T14242]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  687.974190][T14242]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  687.974193][T14242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.974195][T14242]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  687.974200][T14242]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  687.974203][T14242]  ____sys_sendmsg (net/socket.c:2713)
[  687.974205][T14242]  ? copy_msghdr_from_user (net/socket.c:2650)
[  687.974208][T14242]  ? sock_write_iter (net/socket.c:1269)
[  687.974210][T14242]  ? move_addr_to_kernel (net/socket.c:258)
[  687.974213][T14242]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  687.974217][T14242]  ___sys_sendmsg (net/socket.c:2767)
[  687.974220][T14242]  ? copy_msghdr_from_user (net/socket.c:2619)
[  687.974229][T14242]  __sys_sendmsg (net/socket.c:2799)
[  687.974232][T14242]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  687.974237][T14242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.974240][T14242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  687.974243][T14242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  687.974246][T14242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  687.974249][T14242] RIP: 0033:0x7fa3715c654e
[  687.974253][T14242] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  687.974256][T14242] RSP: 002b:00007ffe3dd332d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  687.974260][T14242] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa3715c654e
[  687.974263][T14242] RDX: 0000000000000000 RSI: 00007ffe3dd33380 RDI: 0000000000000005
[  687.974265][T14242] RBP: 00007ffe3dd332e0 R08: 0000000000000000 R09: 0000000000000000
[  687.974266][T14242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c5e
[  687.974268][T14242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3dd33a40
| [  689.723386][T14316] softirqs last disabled at (0): 0x0
| [  689.723389][T14316] Preemption disabled at:
| [  689.723390][T14316] vprintk_emit (kernel/printk/printk.c:2471)
| [  689.723403][T14316] Tainted: [W]=WARN
[  689.723404][T14316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  689.723407][T14316] Call Trace:
[  689.723409][T14316]  <TASK>
[  689.723411][T14316]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  689.723417][T14316]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  689.723420][T14316]  __might_resched.cold (kernel/sched/core.c:9234)
[  689.723425][T14316]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  689.723428][T14316]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  689.723433][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723436][T14316]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  689.723440][T14316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  689.723444][T14316]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  689.723450][T14316]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  689.723453][T14316]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  689.723457][T14316]  put_chars (drivers/char/virtio_console.c:1176)
[  689.723459][T14316]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  689.723462][T14316]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  689.723466][T14316]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  689.723473][T14316]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  689.723475][T14316]  ? vsnprintf (lib/vsprintf.c:2900)
[  689.723479][T14316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  689.723482][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723484][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723487][T14316]  console_emit_next_record (kernel/printk/printk.c:3183)
[  689.723491][T14316]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  689.723495][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723497][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723499][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723501][T14316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.723504][T14316]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  689.723508][T14316]  console_flush_one_record (kernel/printk/printk.c:3268)
[  689.723512][T14316]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  689.723516][T14316]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  689.723519][T14316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.723521][T14316]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  689.723524][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723526][T14316]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.723528][T14316]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  689.723531][T14316]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  689.723533][T14316]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  689.723536][T14316]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  689.723539][T14316]  vprintk_emit (kernel/printk/printk.c:2479)
[  689.723542][T14316]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  689.723543][T14316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  689.723546][T14316]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  689.723550][T14316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.723552][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723555][T14316]  _printk (kernel/printk/printk.c:2504)
[  689.723558][T14316]  ? snapshot_read.cold (user.c:?)
[  689.723562][T14316]  ? br_multicast_flood (??:?)
[  689.723566][T14316]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  689.723570][T14316]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  689.723573][T14316]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  689.723576][T14316]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  689.723580][T14316]  br_init_port (net/bridge/br_stp_if.c:39)
[  689.723583][T14316]  new_nbp (net/bridge/br_if.c:449)
[  689.723587][T14316]  br_add_if (net/bridge/br_if.c:592)
[  689.723590][T14316]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  689.723596][T14316]  do_set_master (net/core/rtnetlink.c:3071)
[  689.723599][T14316]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  689.723602][T14316]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  689.723604][T14316]  ? __dev_get_by_name (net/core/dev.c:905)
[  689.723607][T14316]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  689.723612][T14316]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  689.723617][T14316]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  689.723620][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723622][T14316]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  689.723624][T14316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.723626][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723629][T14316]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  689.723632][T14316]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  689.723635][T14316]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  689.723639][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723641][T14316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.723644][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723646][T14316]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  689.723649][T14316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  689.723652][T14316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  689.723655][T14316]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  689.723657][T14316]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  689.723663][T14316]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  689.723667][T14316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  689.723670][T14316]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.723673][T14316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  689.723675][T14316]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  689.723679][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723681][T14316]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.723685][T14316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  689.723688][T14316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  689.723691][T14316]  ? next_uptodate_folio (mm/filemap.c:3747)
[  689.723695][T14316]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  689.723699][T14316]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  689.723702][T14316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.723704][T14316]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  689.723709][T14316]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  689.723714][T14316]  ____sys_sendmsg (net/socket.c:2713)
[  689.723716][T14316]  ? copy_msghdr_from_user (net/socket.c:2650)
[  689.723719][T14316]  ? sock_write_iter (net/socket.c:1269)
[  689.723722][T14316]  ? move_addr_to_kernel (net/socket.c:258)
[  689.723725][T14316]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  689.723729][T14316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.723733][T14316]  ___sys_sendmsg (net/socket.c:2767)
[  689.723735][T14316]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  689.723738][T14316]  ? copy_msghdr_from_user (net/socket.c:2619)
[  689.723741][T14316]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  689.723749][T14316]  __sys_sendmsg (net/socket.c:2799)
[  689.723753][T14316]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  689.723756][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723759][T14316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.723761][T14316]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  689.723764][T14316]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  689.723767][T14316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  689.723771][T14316] RIP: 0033:0x7f42d2b5954e
[  689.723773][T14316] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  689.723776][T14316] RSP: 002b:00007fff29843210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  689.723780][T14316] RAX: ffffffffffffffda RBX: 00007fff298439d8 RCX: 00007f42d2b5954e
[  689.723788][T14316] RDX: 0000000000000000 RSI: 00007fff298432c0 RDI: 0000000000000005
[  689.723790][T14316] RBP: 00007fff29843220 R08: 0000000000000000 R09: 0000000000000000
[  689.723791][T14316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c60
[  689.723793][T14316] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff29843990
| [  690.808599][T14354] softirqs last disabled at (0): 0x0
| [  690.808601][T14354] Preemption disabled at:
| [  690.808602][T14354] vprintk_emit (kernel/printk/printk.c:2471)
| [  690.808615][T14354] Tainted: [W]=WARN
[  690.808617][T14354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  690.808619][T14354] Call Trace:
[  690.808621][T14354]  <TASK>
[  690.808623][T14354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  690.808630][T14354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  690.808632][T14354]  __might_resched.cold (kernel/sched/core.c:9234)
[  690.808637][T14354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  690.808641][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808645][T14354]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  690.808650][T14354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  690.808654][T14354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  690.808660][T14354]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  690.808663][T14354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  690.808667][T14354]  put_chars (drivers/char/virtio_console.c:1176)
[  690.808669][T14354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  690.808671][T14354]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  690.808675][T14354]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  690.808678][T14354]  ? pointer (lib/vsprintf.c:2577)
[  690.808683][T14354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  690.808690][T14354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  690.808692][T14354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  690.808695][T14354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.808699][T14354]  console_emit_next_record (kernel/printk/printk.c:3183)
[  690.808703][T14354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  690.808707][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808709][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808711][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808713][T14354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.808716][T14354]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  690.808719][T14354]  console_flush_one_record (kernel/printk/printk.c:3268)
[  690.808723][T14354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  690.808728][T14354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  690.808730][T14354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.808733][T14354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  690.808736][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808738][T14354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  690.808740][T14354]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  690.808743][T14354]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  690.808746][T14354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  690.808748][T14354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  690.808751][T14354]  vprintk_emit (kernel/printk/printk.c:2479)
[  690.808754][T14354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  690.808756][T14354]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  690.808759][T14354]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  690.808764][T14354]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  690.808767][T14354]  _printk (kernel/printk/printk.c:2504)
[  690.808772][T14354]  ? snapshot_read.cold (user.c:?)
[  690.808775][T14354]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  690.808778][T14354]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  690.808783][T14354]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  690.808786][T14354]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  690.808796][T14354]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  690.808799][T14354]  ? netdev_notice (net/core/dev.c:13194)
[  690.808802][T14354]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  690.808805][T14354]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  690.808809][T14354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  690.808811][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808813][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808815][T14354]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  690.808818][T14354]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  690.808820][T14354]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  690.808823][T14354]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  690.808825][T14354]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  690.808828][T14354]  ? register_netdev (net/core/dev.c:11618)
[  690.808831][T14354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  690.808834][T14354]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  690.808838][T14354]  ? __kernel_text_address (kernel/extable.c:79)
[  690.808841][T14354]  ? write_profile (profile.c:?)
[  690.808845][T14354]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  690.808850][T14354]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  690.808853][T14354]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  690.808856][T14354]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  690.808858][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808860][T14354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  690.808865][T14354]  ? kasan_save_stack (mm/kasan/common.c:58)
[  690.808868][T14354]  ? kasan_save_stack (mm/kasan/common.c:57)
[  690.808870][T14354]  ? kasan_save_track (mm/kasan/common.c:78)
[  690.808872][T14354]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  690.808874][T14354]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  690.808876][T14354]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  690.808879][T14354]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  690.808881][T14354]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  690.808885][T14354]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  690.808887][T14354]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  690.808890][T14354]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  690.808893][T14354]  ? ____sys_sendmsg (net/socket.c:2713)
[  690.808896][T14354]  ? ___sys_sendmsg (net/socket.c:2767)
[  690.808898][T14354]  ? __sys_sendmsg (net/socket.c:2799)
[  690.808901][T14354]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  690.808904][T14354]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  690.808908][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808911][T14354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.808913][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808915][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808917][T14354]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  690.808920][T14354]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  690.808922][T14354]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  690.808925][T14354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  690.808928][T14354]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  690.808929][T14354]  ? nla_get_range_signed (lib/nlattr.c:270)
[  690.808934][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808937][T14354]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  690.808940][T14354]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  690.808944][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808946][T14354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  690.808948][T14354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.808951][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808953][T14354]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  690.808957][T14354]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  690.808959][T14354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  690.808962][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808964][T14354]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  690.808968][T14354]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  690.808971][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808974][T14354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.808976][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.808978][T14354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  690.808981][T14354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  690.808984][T14354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  690.808986][T14354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  690.808989][T14354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  690.808993][T14354]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  690.808996][T14354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  690.808998][T14354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  690.809001][T14354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  690.809004][T14354]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  690.809008][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.809010][T14354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  690.809014][T14354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  690.809017][T14354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  690.809020][T14354]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  690.809024][T14354]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  690.809027][T14354]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  690.809030][T14354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  690.809033][T14354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.809035][T14354]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  690.809040][T14354]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  690.809043][T14354]  ____sys_sendmsg (net/socket.c:2713)
[  690.809046][T14354]  ? copy_msghdr_from_user (net/socket.c:2650)
[  690.809049][T14354]  ? sock_write_iter (net/socket.c:1269)
[  690.809051][T14354]  ? move_addr_to_kernel (net/socket.c:258)
[  690.809054][T14354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  690.809058][T14354]  ___sys_sendmsg (net/socket.c:2767)
[  690.809061][T14354]  ? copy_msghdr_from_user (net/socket.c:2619)
[  690.809073][T14354]  __sys_sendmsg (net/socket.c:2799)
[  690.809077][T14354]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  690.809083][T14354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.809085][T14354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  690.809088][T14354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  690.809091][T14354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  690.809094][T14354] RIP: 0033:0x7f83ef77554e
[  690.809097][T14354] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  690.809099][T14354] RSP: 002b:00007fff7d8665e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  690.809104][T14354] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f83ef77554e
[  690.809106][T14354] RDX: 0000000000000000 RSI: 00007fff7d866690 RDI: 0000000000000005
[  690.809108][T14354] RBP: 00007fff7d8665f0 R08: 0000000000000000 R09: 0000000000000000
[  690.809110][T14354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c61
[  690.809112][T14354] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7d866d50
| [  692.477384][T14412] softirqs last disabled at (0): 0x0
| [  692.477387][T14412] Preemption disabled at:
| [  692.477388][T14412] vprintk_emit (kernel/printk/printk.c:2471)
| [  692.477402][T14412] Tainted: [W]=WARN
[  692.477403][T14412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  692.477406][T14412] Call Trace:
[  692.477408][T14412]  <TASK>
[  692.477409][T14412]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  692.477416][T14412]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  692.477419][T14412]  __might_resched.cold (kernel/sched/core.c:9234)
[  692.477424][T14412]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  692.477427][T14412]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  692.477432][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477436][T14412]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  692.477440][T14412]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  692.477444][T14412]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  692.477450][T14412]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  692.477453][T14412]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  692.477457][T14412]  put_chars (drivers/char/virtio_console.c:1176)
[  692.477460][T14412]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  692.477463][T14412]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  692.477467][T14412]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  692.477473][T14412]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  692.477476][T14412]  ? vsnprintf (lib/vsprintf.c:2900)
[  692.477480][T14412]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  692.477483][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477485][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477488][T14412]  console_emit_next_record (kernel/printk/printk.c:3183)
[  692.477492][T14412]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  692.477495][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477497][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477499][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477501][T14412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.477505][T14412]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  692.477508][T14412]  console_flush_one_record (kernel/printk/printk.c:3268)
[  692.477512][T14412]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  692.477517][T14412]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  692.477519][T14412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.477522][T14412]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  692.477525][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477527][T14412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  692.477529][T14412]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  692.477532][T14412]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  692.477535][T14412]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  692.477538][T14412]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  692.477541][T14412]  vprintk_emit (kernel/printk/printk.c:2479)
[  692.477544][T14412]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  692.477546][T14412]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  692.477549][T14412]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  692.477553][T14412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.477555][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477558][T14412]  _printk (kernel/printk/printk.c:2504)
[  692.477562][T14412]  ? snapshot_read.cold (user.c:?)
[  692.477565][T14412]  ? br_multicast_flood (??:?)
[  692.477570][T14412]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  692.477574][T14412]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  692.477576][T14412]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  692.477579][T14412]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  692.477584][T14412]  br_init_port (net/bridge/br_stp_if.c:39)
[  692.477586][T14412]  new_nbp (net/bridge/br_if.c:449)
[  692.477590][T14412]  br_add_if (net/bridge/br_if.c:592)
[  692.477593][T14412]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  692.477599][T14412]  do_set_master (net/core/rtnetlink.c:3071)
[  692.477602][T14412]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  692.477605][T14412]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  692.477607][T14412]  ? __dev_get_by_name (net/core/dev.c:905)
[  692.477610][T14412]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  692.477616][T14412]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  692.477620][T14412]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  692.477623][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477626][T14412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  692.477628][T14412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.477630][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477633][T14412]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  692.477637][T14412]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  692.477640][T14412]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  692.477643][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477646][T14412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.477648][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477650][T14412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  692.477653][T14412]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  692.477656][T14412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  692.477658][T14412]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  692.477660][T14412]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  692.477666][T14412]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  692.477670][T14412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  692.477673][T14412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  692.477675][T14412]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  692.477678][T14412]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  692.477683][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477685][T14412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  692.477688][T14412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  692.477692][T14412]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  692.477695][T14412]  ? next_uptodate_folio (mm/filemap.c:3747)
[  692.477700][T14412]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  692.477704][T14412]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  692.477707][T14412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.477710][T14412]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  692.477715][T14412]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  692.477719][T14412]  ____sys_sendmsg (net/socket.c:2713)
[  692.477721][T14412]  ? copy_msghdr_from_user (net/socket.c:2650)
[  692.477724][T14412]  ? sock_write_iter (net/socket.c:1269)
[  692.477727][T14412]  ? move_addr_to_kernel (net/socket.c:258)
[  692.477730][T14412]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  692.477734][T14412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.477737][T14412]  ___sys_sendmsg (net/socket.c:2767)
[  692.477739][T14412]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  692.477742][T14412]  ? copy_msghdr_from_user (net/socket.c:2619)
[  692.477745][T14412]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  692.477753][T14412]  __sys_sendmsg (net/socket.c:2799)
[  692.477756][T14412]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  692.477761][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477763][T14412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.477766][T14412]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  692.477769][T14412]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  692.477772][T14412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  692.477775][T14412] RIP: 0033:0x7f508f32d54e
[  692.477778][T14412] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  692.477781][T14412] RSP: 002b:00007ffcbd57fdd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  692.477787][T14412] RAX: ffffffffffffffda RBX: 00007ffcbd580598 RCX: 00007f508f32d54e
[  692.477789][T14412] RDX: 0000000000000000 RSI: 00007ffcbd57fe80 RDI: 0000000000000005
[  692.477790][T14412] RBP: 00007ffcbd57fde0 R08: 0000000000000000 R09: 0000000000000000
[  692.477792][T14412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c62
[  692.477794][T14412] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbd580550
| [  698.886445][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  698.886449][   T12] Preemption disabled at:
| [  698.886450][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  698.886462][   T12] Tainted: [W]=WARN
[  698.886463][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  698.886465][   T12] Workqueue: netns cleanup_net
[  698.886473][   T12] Call Trace:
[  698.886475][   T12]  <TASK>
[  698.886477][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  698.886485][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  698.886487][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  698.886492][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  698.886495][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  698.886499][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.886503][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  698.886506][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.886510][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.886515][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  698.886518][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.886522][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  698.886524][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  698.886527][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  698.886531][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  698.886537][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  698.886540][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  698.886544][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.886546][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.886548][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.886551][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  698.886555][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  698.886558][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.886561][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.886563][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.886565][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.886569][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  698.886572][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  698.886576][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  698.886580][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  698.886583][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.886586][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  698.886589][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.886590][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.886593][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  698.886595][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  698.886598][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  698.886600][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  698.886603][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  698.886605][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  698.886607][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  698.886610][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  698.886613][   T12]  ? kthread (kernel/kthread.c:436)
[  698.886616][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  698.886620][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  698.886624][   T12]  _printk (kernel/printk/printk.c:2504)
[  698.886628][   T12]  ? snapshot_read.cold (user.c:?)
[  698.886631][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  698.886636][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  698.886639][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  698.886643][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  698.886647][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.886649][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  698.886651][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  698.886656][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  698.886658][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  698.886661][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  698.886664][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  698.886668][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  698.886673][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  698.886677][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  698.886680][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  698.886683][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  698.886686][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  698.886690][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  698.886693][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  698.886696][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.886699][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.886701][   T12]  process_one_work (kernel/workqueue.c:3387)
[  698.886706][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  698.886710][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.886714][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  698.886719][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  698.886722][   T12]  kthread (kernel/kthread.c:436)
[  698.886725][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  698.886728][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  698.886731][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  698.886734][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  698.886737][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  698.886741][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  698.886744][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  699.952977][T14506] softirqs last disabled at (0): 0x0
| [  699.952980][T14506] Preemption disabled at:
| [  699.952981][T14506] vprintk_emit (kernel/printk/printk.c:2471)
| [  699.952994][T14506] Tainted: [W]=WARN
[  699.952995][T14506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  699.952998][T14506] Call Trace:
[  699.953000][T14506]  <TASK>
[  699.953002][T14506]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  699.953009][T14506]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  699.953012][T14506]  __might_resched.cold (kernel/sched/core.c:9234)
[  699.953016][T14506]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  699.953021][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953025][T14506]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  699.953028][T14506]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  699.953032][T14506]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  699.953038][T14506]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  699.953041][T14506]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  699.953045][T14506]  put_chars (drivers/char/virtio_console.c:1176)
[  699.953048][T14506]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  699.953050][T14506]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  699.953054][T14506]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  699.953058][T14506]  ? pointer (lib/vsprintf.c:2577)
[  699.953062][T14506]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  699.953072][T14506]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  699.953074][T14506]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  699.953077][T14506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.953081][T14506]  console_emit_next_record (kernel/printk/printk.c:3183)
[  699.953085][T14506]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  699.953088][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953090][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953092][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953094][T14506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.953097][T14506]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  699.953100][T14506]  console_flush_one_record (kernel/printk/printk.c:3268)
[  699.953103][T14506]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  699.953108][T14506]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  699.953111][T14506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.953114][T14506]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  699.953116][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953119][T14506]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.953121][T14506]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  699.953124][T14506]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  699.953127][T14506]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  699.953130][T14506]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  699.953132][T14506]  vprintk_emit (kernel/printk/printk.c:2479)
[  699.953135][T14506]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  699.953137][T14506]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  699.953140][T14506]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  699.953145][T14506]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  699.953148][T14506]  _printk (kernel/printk/printk.c:2504)
[  699.953152][T14506]  ? snapshot_read.cold (user.c:?)
[  699.953155][T14506]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  699.953159][T14506]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  699.953163][T14506]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  699.953166][T14506]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  699.953170][T14506]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  699.953173][T14506]  ? netdev_notice (net/core/dev.c:13194)
[  699.953176][T14506]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  699.953179][T14506]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  699.953182][T14506]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  699.953185][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953187][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953190][T14506]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  699.953192][T14506]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  699.953195][T14506]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  699.953197][T14506]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  699.953200][T14506]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  699.953203][T14506]  ? register_netdev (net/core/dev.c:11618)
[  699.953205][T14506]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.953208][T14506]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  699.953212][T14506]  ? __kernel_text_address (kernel/extable.c:79)
[  699.953215][T14506]  ? write_profile (profile.c:?)
[  699.953219][T14506]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  699.953224][T14506]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  699.953227][T14506]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  699.953229][T14506]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  699.953231][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953233][T14506]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  699.953238][T14506]  ? kasan_save_stack (mm/kasan/common.c:58)
[  699.953240][T14506]  ? kasan_save_stack (mm/kasan/common.c:57)
[  699.953242][T14506]  ? kasan_save_track (mm/kasan/common.c:78)
[  699.953244][T14506]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  699.953245][T14506]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  699.953248][T14506]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  699.953250][T14506]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  699.953252][T14506]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  699.953256][T14506]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  699.953259][T14506]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  699.953261][T14506]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  699.953265][T14506]  ? ____sys_sendmsg (net/socket.c:2713)
[  699.953267][T14506]  ? ___sys_sendmsg (net/socket.c:2767)
[  699.953270][T14506]  ? __sys_sendmsg (net/socket.c:2799)
[  699.953273][T14506]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  699.953276][T14506]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  699.953280][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953282][T14506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.953284][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953286][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953288][T14506]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  699.953290][T14506]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  699.953293][T14506]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  699.953295][T14506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  699.953298][T14506]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  699.953300][T14506]  ? nla_get_range_signed (lib/nlattr.c:270)
[  699.953305][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953307][T14506]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  699.953311][T14506]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  699.953314][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953316][T14506]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  699.953318][T14506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.953321][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953323][T14506]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  699.953327][T14506]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  699.953329][T14506]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  699.953332][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953335][T14506]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  699.953339][T14506]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  699.953342][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953344][T14506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.953346][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953348][T14506]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  699.953351][T14506]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  699.953353][T14506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  699.953356][T14506]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  699.953358][T14506]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  699.953362][T14506]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  699.953364][T14506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  699.953367][T14506]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.953369][T14506]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  699.953372][T14506]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  699.953376][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953378][T14506]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.953381][T14506]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  699.953385][T14506]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  699.953387][T14506]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  699.953391][T14506]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  699.953394][T14506]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  699.953397][T14506]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  699.953400][T14506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.953403][T14506]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  699.953408][T14506]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  699.953411][T14506]  ____sys_sendmsg (net/socket.c:2713)
[  699.953414][T14506]  ? copy_msghdr_from_user (net/socket.c:2650)
[  699.953416][T14506]  ? sock_write_iter (net/socket.c:1269)
[  699.953419][T14506]  ? move_addr_to_kernel (net/socket.c:258)
[  699.953421][T14506]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  699.953425][T14506]  ___sys_sendmsg (net/socket.c:2767)
[  699.953428][T14506]  ? copy_msghdr_from_user (net/socket.c:2619)
[  699.953436][T14506]  __sys_sendmsg (net/socket.c:2799)
[  699.953439][T14506]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  699.953443][T14506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.953446][T14506]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  699.953449][T14506]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  699.953451][T14506]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  699.953454][T14506] RIP: 0033:0x7f5b36d6b54e
[  699.953456][T14506] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  699.953459][T14506] RSP: 002b:00007fff507dbae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  699.953463][T14506] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5b36d6b54e
[  699.953466][T14506] RDX: 0000000000000000 RSI: 00007fff507dbb90 RDI: 0000000000000005
[  699.953467][T14506] RBP: 00007fff507dbaf0 R08: 0000000000000000 R09: 0000000000000000
[  699.953469][T14506] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c6a
[  699.953471][T14506] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff507dc250
| [  701.663608][T14581] softirqs last disabled at (0): 0x0
| [  701.663611][T14581] Preemption disabled at:
| [  701.663612][T14581] vprintk_emit (kernel/printk/printk.c:2471)
| [  701.663624][T14581] Tainted: [W]=WARN
[  701.663626][T14581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  701.663629][T14581] Call Trace:
[  701.663631][T14581]  <TASK>
[  701.663633][T14581]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  701.663640][T14581]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  701.663642][T14581]  __might_resched.cold (kernel/sched/core.c:9234)
[  701.663647][T14581]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  701.663650][T14581]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  701.663654][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663658][T14581]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  701.663662][T14581]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  701.663666][T14581]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  701.663672][T14581]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  701.663675][T14581]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  701.663678][T14581]  put_chars (drivers/char/virtio_console.c:1176)
[  701.663681][T14581]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  701.663684][T14581]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  701.663688][T14581]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  701.663694][T14581]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  701.663697][T14581]  ? vsnprintf (lib/vsprintf.c:2900)
[  701.663701][T14581]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  701.663704][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663706][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663709][T14581]  console_emit_next_record (kernel/printk/printk.c:3183)
[  701.663713][T14581]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  701.663716][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663718][T14581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.663722][T14581]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  701.663725][T14581]  console_flush_one_record (kernel/printk/printk.c:3268)
[  701.663729][T14581]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  701.663733][T14581]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  701.663736][T14581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.663738][T14581]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  701.663741][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663743][T14581]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  701.663745][T14581]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  701.663747][T14581]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  701.663750][T14581]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  701.663753][T14581]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  701.663755][T14581]  vprintk_emit (kernel/printk/printk.c:2479)
[  701.663758][T14581]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  701.663760][T14581]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  701.663763][T14581]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  701.663767][T14581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.663769][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663772][T14581]  _printk (kernel/printk/printk.c:2504)
[  701.663776][T14581]  ? snapshot_read.cold (user.c:?)
[  701.663779][T14581]  ? br_multicast_flood (??:?)
[  701.663783][T14581]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  701.663787][T14581]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  701.663789][T14581]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  701.663792][T14581]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  701.663795][T14581]  br_init_port (net/bridge/br_stp_if.c:39)
[  701.663798][T14581]  new_nbp (net/bridge/br_if.c:449)
[  701.663801][T14581]  br_add_if (net/bridge/br_if.c:592)
[  701.663804][T14581]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  701.663810][T14581]  do_set_master (net/core/rtnetlink.c:3071)
[  701.663813][T14581]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  701.663816][T14581]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  701.663818][T14581]  ? __dev_get_by_name (net/core/dev.c:905)
[  701.663821][T14581]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  701.663827][T14581]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  701.663831][T14581]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  701.663835][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663837][T14581]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  701.663840][T14581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.663842][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663844][T14581]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  701.663848][T14581]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  701.663851][T14581]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  701.663859][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663862][T14581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.663864][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663866][T14581]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  701.663869][T14581]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  701.663872][T14581]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  701.663874][T14581]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  701.663876][T14581]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  701.663882][T14581]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  701.663886][T14581]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  701.663888][T14581]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  701.663891][T14581]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  701.663894][T14581]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  701.663899][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663901][T14581]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  701.663904][T14581]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  701.663908][T14581]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  701.663911][T14581]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  701.663915][T14581]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  701.663919][T14581]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  701.663922][T14581]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  701.663926][T14581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.663928][T14581]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  701.663933][T14581]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  701.663936][T14581]  ____sys_sendmsg (net/socket.c:2713)
[  701.663939][T14581]  ? copy_msghdr_from_user (net/socket.c:2650)
[  701.663942][T14581]  ? sock_write_iter (net/socket.c:1269)
[  701.663944][T14581]  ? move_addr_to_kernel (net/socket.c:258)
[  701.663948][T14581]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  701.663951][T14581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.663954][T14581]  ___sys_sendmsg (net/socket.c:2767)
[  701.663957][T14581]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  701.663960][T14581]  ? copy_msghdr_from_user (net/socket.c:2619)
[  701.663963][T14581]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  701.663971][T14581]  __sys_sendmsg (net/socket.c:2799)
[  701.663974][T14581]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  701.663978][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663980][T14581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.663983][T14581]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  701.663986][T14581]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  701.663989][T14581]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  701.663992][T14581] RIP: 0033:0x7f829f4f654e
[  701.663995][T14581] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  701.663997][T14581] RSP: 002b:00007ffc40136540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  701.664002][T14581] RAX: ffffffffffffffda RBX: 00007ffc40136d08 RCX: 00007f829f4f654e
[  701.664004][T14581] RDX: 0000000000000000 RSI: 00007ffc401365f0 RDI: 0000000000000005
[  701.664006][T14581] RBP: 00007ffc40136550 R08: 0000000000000000 R09: 0000000000000000
[  701.664007][T14581] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c6c
[  701.664009][T14581] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc40136cc0
| [  702.750903][T14619] softirqs last disabled at (0): 0x0
| [  702.750906][T14619] Preemption disabled at:
| [  702.750907][T14619] vprintk_emit (kernel/printk/printk.c:2471)
| [  702.750920][T14619] Tainted: [W]=WARN
[  702.750921][T14619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  702.750924][T14619] Call Trace:
[  702.750926][T14619]  <TASK>
[  702.750928][T14619]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  702.750935][T14619]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  702.750937][T14619]  __might_resched.cold (kernel/sched/core.c:9234)
[  702.750943][T14619]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  702.750947][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.750951][T14619]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  702.750955][T14619]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  702.750959][T14619]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  702.750965][T14619]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  702.750968][T14619]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  702.750971][T14619]  put_chars (drivers/char/virtio_console.c:1176)
[  702.750974][T14619]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  702.750976][T14619]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  702.750980][T14619]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  702.750983][T14619]  ? pointer (lib/vsprintf.c:2577)
[  702.750988][T14619]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  702.750994][T14619]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  702.750997][T14619]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  702.751000][T14619]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.751004][T14619]  console_emit_next_record (kernel/printk/printk.c:3183)
[  702.751008][T14619]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  702.751012][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751014][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751016][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751018][T14619]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.751022][T14619]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  702.751025][T14619]  console_flush_one_record (kernel/printk/printk.c:3268)
[  702.751028][T14619]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  702.751033][T14619]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  702.751036][T14619]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.751039][T14619]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  702.751042][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751043][T14619]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  702.751046][T14619]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  702.751049][T14619]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  702.751052][T14619]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  702.751056][T14619]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  702.751058][T14619]  vprintk_emit (kernel/printk/printk.c:2479)
[  702.751062][T14619]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  702.751064][T14619]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  702.751070][T14619]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  702.751075][T14619]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  702.751079][T14619]  _printk (kernel/printk/printk.c:2504)
[  702.751083][T14619]  ? snapshot_read.cold (user.c:?)
[  702.751086][T14619]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  702.751089][T14619]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  702.751093][T14619]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  702.751096][T14619]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  702.751100][T14619]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  702.751103][T14619]  ? netdev_notice (net/core/dev.c:13194)
[  702.751106][T14619]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  702.751109][T14619]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  702.751113][T14619]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  702.751116][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751118][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751120][T14619]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  702.751123][T14619]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  702.751126][T14619]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  702.751128][T14619]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  702.751131][T14619]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  702.751134][T14619]  ? register_netdev (net/core/dev.c:11618)
[  702.751137][T14619]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  702.751140][T14619]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  702.751143][T14619]  ? __kernel_text_address (kernel/extable.c:79)
[  702.751147][T14619]  ? write_profile (profile.c:?)
[  702.751151][T14619]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  702.751156][T14619]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  702.751159][T14619]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  702.751161][T14619]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  702.751163][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751165][T14619]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  702.751170][T14619]  ? kasan_save_stack (mm/kasan/common.c:58)
[  702.751173][T14619]  ? kasan_save_stack (mm/kasan/common.c:57)
[  702.751175][T14619]  ? kasan_save_track (mm/kasan/common.c:78)
[  702.751176][T14619]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  702.751178][T14619]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  702.751180][T14619]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  702.751182][T14619]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  702.751184][T14619]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  702.751188][T14619]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  702.751191][T14619]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  702.751194][T14619]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  702.751197][T14619]  ? ____sys_sendmsg (net/socket.c:2713)
[  702.751200][T14619]  ? ___sys_sendmsg (net/socket.c:2767)
[  702.751202][T14619]  ? __sys_sendmsg (net/socket.c:2799)
[  702.751205][T14619]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  702.751209][T14619]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  702.751213][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751215][T14619]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.751217][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751219][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751221][T14619]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  702.751224][T14619]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  702.751226][T14619]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  702.751228][T14619]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  702.751231][T14619]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  702.751232][T14619]  ? nla_get_range_signed (lib/nlattr.c:270)
[  702.751237][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751239][T14619]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  702.751243][T14619]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  702.751246][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751248][T14619]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  702.751250][T14619]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.751253][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751255][T14619]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  702.751259][T14619]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  702.751261][T14619]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  702.751264][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751266][T14619]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  702.751270][T14619]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  702.751274][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751276][T14619]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.751279][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751282][T14619]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  702.751284][T14619]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  702.751287][T14619]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  702.751290][T14619]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  702.751292][T14619]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  702.751296][T14619]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  702.751299][T14619]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  702.751301][T14619]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  702.751304][T14619]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  702.751306][T14619]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  702.751311][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751313][T14619]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  702.751316][T14619]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  702.751320][T14619]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  702.751323][T14619]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  702.751326][T14619]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  702.751329][T14619]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  702.751332][T14619]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  702.751335][T14619]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.751337][T14619]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  702.751342][T14619]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  702.751345][T14619]  ____sys_sendmsg (net/socket.c:2713)
[  702.751348][T14619]  ? copy_msghdr_from_user (net/socket.c:2650)
[  702.751351][T14619]  ? sock_write_iter (net/socket.c:1269)
[  702.751353][T14619]  ? move_addr_to_kernel (net/socket.c:258)
[  702.751356][T14619]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  702.751361][T14619]  ___sys_sendmsg (net/socket.c:2767)
[  702.751364][T14619]  ? copy_msghdr_from_user (net/socket.c:2619)
[  702.751373][T14619]  __sys_sendmsg (net/socket.c:2799)
[  702.751376][T14619]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  702.751380][T14619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.751383][T14619]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  702.751386][T14619]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  702.751389][T14619]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  702.751391][T14619] RIP: 0033:0x7f6613da954e
[  702.751394][T14619] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  702.751397][T14619] RSP: 002b:00007ffc33ae51d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  702.751402][T14619] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6613da954e
[  702.751404][T14619] RDX: 0000000000000000 RSI: 00007ffc33ae5280 RDI: 0000000000000005
[  702.751406][T14619] RBP: 00007ffc33ae51e0 R08: 0000000000000000 R09: 0000000000000000
[  702.751407][T14619] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c6d
[  702.751409][T14619] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc33ae5940
| [  704.451422][T14670] softirqs last disabled at (0): 0x0
| [  704.451425][T14670] Preemption disabled at:
| [  704.451426][T14670] vprintk_emit (kernel/printk/printk.c:2471)
| [  704.451440][T14670] Tainted: [W]=WARN
[  704.451442][T14670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  704.451444][T14670] Call Trace:
[  704.451447][T14670]  <TASK>
[  704.451449][T14670]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  704.451455][T14670]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  704.451458][T14670]  __might_resched.cold (kernel/sched/core.c:9234)
[  704.451462][T14670]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  704.451465][T14670]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  704.451469][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451473][T14670]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  704.451477][T14670]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  704.451480][T14670]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  704.451487][T14670]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  704.451489][T14670]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  704.451493][T14670]  put_chars (drivers/char/virtio_console.c:1176)
[  704.451496][T14670]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  704.451499][T14670]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  704.451503][T14670]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  704.451510][T14670]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  704.451513][T14670]  ? vsnprintf (lib/vsprintf.c:2900)
[  704.451517][T14670]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  704.451520][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451522][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451525][T14670]  console_emit_next_record (kernel/printk/printk.c:3183)
[  704.451529][T14670]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  704.451532][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451533][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451535][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451537][T14670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.451541][T14670]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  704.451544][T14670]  console_flush_one_record (kernel/printk/printk.c:3268)
[  704.451547][T14670]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  704.451551][T14670]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  704.451554][T14670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.451557][T14670]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  704.451559][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451561][T14670]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  704.451563][T14670]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  704.451566][T14670]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  704.451569][T14670]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  704.451572][T14670]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  704.451575][T14670]  vprintk_emit (kernel/printk/printk.c:2479)
[  704.451578][T14670]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  704.451580][T14670]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  704.451583][T14670]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  704.451587][T14670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.451590][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451592][T14670]  _printk (kernel/printk/printk.c:2504)
[  704.451596][T14670]  ? snapshot_read.cold (user.c:?)
[  704.451599][T14670]  ? br_multicast_flood (??:?)
[  704.451603][T14670]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  704.451607][T14670]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  704.451609][T14670]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  704.451612][T14670]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  704.451616][T14670]  br_init_port (net/bridge/br_stp_if.c:39)
[  704.451619][T14670]  new_nbp (net/bridge/br_if.c:449)
[  704.451622][T14670]  br_add_if (net/bridge/br_if.c:592)
[  704.451624][T14670]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  704.451630][T14670]  do_set_master (net/core/rtnetlink.c:3071)
[  704.451633][T14670]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  704.451637][T14670]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  704.451639][T14670]  ? __dev_get_by_name (net/core/dev.c:905)
[  704.451642][T14670]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  704.451648][T14670]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  704.451652][T14670]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  704.451656][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451658][T14670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  704.451660][T14670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.451662][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451665][T14670]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  704.451668][T14670]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  704.451671][T14670]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  704.451674][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451676][T14670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.451678][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451681][T14670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  704.451683][T14670]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  704.451686][T14670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  704.451688][T14670]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  704.451691][T14670]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  704.451696][T14670]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  704.451700][T14670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  704.451702][T14670]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  704.451705][T14670]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  704.451707][T14670]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  704.451712][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451714][T14670]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  704.451718][T14670]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  704.451722][T14670]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  704.451725][T14670]  ? next_uptodate_folio (mm/filemap.c:3747)
[  704.451729][T14670]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  704.451732][T14670]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  704.451736][T14670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.451738][T14670]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  704.451743][T14670]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  704.451747][T14670]  ____sys_sendmsg (net/socket.c:2713)
[  704.451749][T14670]  ? copy_msghdr_from_user (net/socket.c:2650)
[  704.451752][T14670]  ? sock_write_iter (net/socket.c:1269)
[  704.451754][T14670]  ? move_addr_to_kernel (net/socket.c:258)
[  704.451758][T14670]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  704.451761][T14670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.451764][T14670]  ___sys_sendmsg (net/socket.c:2767)
[  704.451767][T14670]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  704.451770][T14670]  ? copy_msghdr_from_user (net/socket.c:2619)
[  704.451772][T14670]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  704.451780][T14670]  __sys_sendmsg (net/socket.c:2799)
[  704.451784][T14670]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  704.451788][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451790][T14670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.451793][T14670]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  704.451796][T14670]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  704.451799][T14670]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  704.451802][T14670] RIP: 0033:0x7f075ed8a54e
[  704.451804][T14670] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  704.451807][T14670] RSP: 002b:00007ffe12499ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  704.451812][T14670] RAX: ffffffffffffffda RBX: 00007ffe1249a368 RCX: 00007f075ed8a54e
[  704.451814][T14670] RDX: 0000000000000000 RSI: 00007ffe12499c50 RDI: 0000000000000005
[  704.451815][T14670] RBP: 00007ffe12499bb0 R08: 0000000000000000 R09: 0000000000000000
[  704.451817][T14670] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c6e
[  704.451818][T14670] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1249a320
| [  710.839883][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  710.839886][   T12] Preemption disabled at:
| [  710.839887][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  710.839899][   T12] Tainted: [W]=WARN
[  710.839901][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  710.839903][   T12] Workqueue: netns cleanup_net
[  710.839917][   T12] Call Trace:
[  710.839919][   T12]  <TASK>
[  710.839922][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  710.839929][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  710.839931][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  710.839936][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  710.839939][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  710.839944][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.839947][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  710.839951][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  710.839955][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  710.839960][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  710.839963][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  710.839966][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  710.839969][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  710.839972][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  710.839976][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  710.839982][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  710.839985][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  710.839989][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  710.839992][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.839994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.839997][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  710.840001][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  710.840005][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.840007][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.840009][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.840011][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  710.840014][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  710.840017][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  710.840021][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  710.840025][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  710.840028][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  710.840030][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  710.840033][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.840035][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  710.840038][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  710.840040][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  710.840043][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  710.840046][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  710.840048][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  710.840052][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  710.840054][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  710.840057][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  710.840060][   T12]  ? kthread (kernel/kthread.c:436)
[  710.840064][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  710.840071][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  710.840076][   T12]  _printk (kernel/printk/printk.c:2504)
[  710.840080][   T12]  ? snapshot_read.cold (user.c:?)
[  710.840084][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  710.840088][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  710.840092][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  710.840095][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  710.840098][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.840101][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  710.840103][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  710.840107][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  710.840110][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  710.840112][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  710.840116][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  710.840120][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  710.840126][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  710.840129][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  710.840132][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  710.840136][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  710.840139][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  710.840143][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  710.840146][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  710.840148][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.840151][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  710.840153][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.840156][   T12]  process_one_work (kernel/workqueue.c:3387)
[  710.840160][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  710.840165][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  710.840169][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  710.840173][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  710.840176][   T12]  kthread (kernel/kthread.c:436)
[  710.840179][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  710.840181][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  710.840184][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  710.840187][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  710.840190][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  710.840194][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  710.840198][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  711.913647][T14764] softirqs last disabled at (0): 0x0
| [  711.913649][T14764] Preemption disabled at:
| [  711.913649][T14764] vprintk_emit (kernel/printk/printk.c:2471)
| [  711.913660][T14764] Tainted: [W]=WARN
[  711.913661][T14764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  711.913663][T14764] Call Trace:
[  711.913664][T14764]  <TASK>
[  711.913665][T14764]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  711.913671][T14764]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  711.913673][T14764]  __might_resched.cold (kernel/sched/core.c:9234)
[  711.913676][T14764]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  711.913680][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913683][T14764]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  711.913686][T14764]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  711.913689][T14764]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  711.913695][T14764]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  711.913696][T14764]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  711.913699][T14764]  put_chars (drivers/char/virtio_console.c:1176)
[  711.913701][T14764]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  711.913702][T14764]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  711.913704][T14764]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  711.913707][T14764]  ? pointer (lib/vsprintf.c:2577)
[  711.913710][T14764]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  711.913715][T14764]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  711.913717][T14764]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  711.913719][T14764]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.913722][T14764]  console_emit_next_record (kernel/printk/printk.c:3183)
[  711.913725][T14764]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  711.913727][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913728][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913729][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913730][T14764]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.913732][T14764]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  711.913734][T14764]  console_flush_one_record (kernel/printk/printk.c:3268)
[  711.913737][T14764]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  711.913740][T14764]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  711.913742][T14764]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.913744][T14764]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  711.913746][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913747][T14764]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  711.913748][T14764]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  711.913750][T14764]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  711.913751][T14764]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  711.913754][T14764]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  711.913755][T14764]  vprintk_emit (kernel/printk/printk.c:2479)
[  711.913757][T14764]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  711.913758][T14764]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  711.913761][T14764]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  711.913764][T14764]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  711.913766][T14764]  _printk (kernel/printk/printk.c:2504)
[  711.913770][T14764]  ? snapshot_read.cold (user.c:?)
[  711.913772][T14764]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  711.913774][T14764]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  711.913777][T14764]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  711.913779][T14764]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  711.913782][T14764]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  711.913785][T14764]  ? netdev_notice (net/core/dev.c:13194)
[  711.913787][T14764]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  711.913789][T14764]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  711.913792][T14764]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  711.913793][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913795][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913796][T14764]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  711.913797][T14764]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  711.913799][T14764]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  711.913800][T14764]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  711.913802][T14764]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  711.913804][T14764]  ? register_netdev (net/core/dev.c:11618)
[  711.913805][T14764]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  711.913807][T14764]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  711.913810][T14764]  ? __kernel_text_address (kernel/extable.c:79)
[  711.913812][T14764]  ? write_profile (profile.c:?)
[  711.913815][T14764]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  711.913819][T14764]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  711.913821][T14764]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  711.913823][T14764]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  711.913824][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913825][T14764]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  711.913829][T14764]  ? kasan_save_stack (mm/kasan/common.c:58)
[  711.913831][T14764]  ? kasan_save_stack (mm/kasan/common.c:57)
[  711.913832][T14764]  ? kasan_save_track (mm/kasan/common.c:78)
[  711.913833][T14764]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  711.913834][T14764]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  711.913835][T14764]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  711.913837][T14764]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  711.913838][T14764]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  711.913841][T14764]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  711.913843][T14764]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  711.913844][T14764]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  711.913847][T14764]  ? ____sys_sendmsg (net/socket.c:2713)
[  711.913848][T14764]  ? ___sys_sendmsg (net/socket.c:2767)
[  711.913850][T14764]  ? __sys_sendmsg (net/socket.c:2799)
[  711.913852][T14764]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  711.913854][T14764]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  711.913857][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913858][T14764]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.913860][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913861][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913862][T14764]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  711.913863][T14764]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  711.913865][T14764]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  711.913866][T14764]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  711.913868][T14764]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  711.913869][T14764]  ? nla_get_range_signed (lib/nlattr.c:270)
[  711.913873][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913874][T14764]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  711.913876][T14764]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  711.913878][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913880][T14764]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  711.913881][T14764]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.913882][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913884][T14764]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  711.913886][T14764]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  711.913888][T14764]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  711.913889][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913891][T14764]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  711.913894][T14764]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  711.913897][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913898][T14764]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.913899][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913901][T14764]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  711.913902][T14764]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  711.913904][T14764]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  711.913905][T14764]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  711.913907][T14764]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  711.913910][T14764]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  711.913911][T14764]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  711.913913][T14764]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  711.913918][T14764]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  711.913921][T14764]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  711.913925][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913926][T14764]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  711.913928][T14764]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  711.913931][T14764]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  711.913933][T14764]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  711.913935][T14764]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  711.913937][T14764]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  711.913939][T14764]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  711.913940][T14764]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.913942][T14764]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  711.913945][T14764]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  711.913947][T14764]  ____sys_sendmsg (net/socket.c:2713)
[  711.913949][T14764]  ? copy_msghdr_from_user (net/socket.c:2650)
[  711.913951][T14764]  ? sock_write_iter (net/socket.c:1269)
[  711.913952][T14764]  ? move_addr_to_kernel (net/socket.c:258)
[  711.913954][T14764]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  711.913957][T14764]  ___sys_sendmsg (net/socket.c:2767)
[  711.913958][T14764]  ? copy_msghdr_from_user (net/socket.c:2619)
[  711.913963][T14764]  __sys_sendmsg (net/socket.c:2799)
[  711.913966][T14764]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  711.913968][T14764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.913970][T14764]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  711.913972][T14764]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  711.913974][T14764]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  711.913976][T14764] RIP: 0033:0x7f778039154e
[  711.913978][T14764] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  711.913979][T14764] RSP: 002b:00007ffc0562db40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  711.913983][T14764] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f778039154e
[  711.913985][T14764] RDX: 0000000000000000 RSI: 00007ffc0562dbf0 RDI: 0000000000000005
[  711.913986][T14764] RBP: 00007ffc0562db50 R08: 0000000000000000 R09: 0000000000000000
[  711.913987][T14764] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c76
[  711.913988][T14764] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0562e2b0
| [  713.630973][T14839] softirqs last disabled at (0): 0x0
| [  713.630976][T14839] Preemption disabled at:
| [  713.630977][T14839] vprintk_emit (kernel/printk/printk.c:2471)
| [  713.630990][T14839] Tainted: [W]=WARN
[  713.630992][T14839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  713.630994][T14839] Call Trace:
[  713.630996][T14839]  <TASK>
[  713.630997][T14839]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  713.631004][T14839]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  713.631006][T14839]  __might_resched.cold (kernel/sched/core.c:9234)
[  713.631011][T14839]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  713.631014][T14839]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  713.631018][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631022][T14839]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  713.631026][T14839]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  713.631030][T14839]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  713.631037][T14839]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  713.631040][T14839]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  713.631044][T14839]  put_chars (drivers/char/virtio_console.c:1176)
[  713.631047][T14839]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  713.631050][T14839]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  713.631054][T14839]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  713.631061][T14839]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  713.631064][T14839]  ? vsnprintf (lib/vsprintf.c:2900)
[  713.631070][T14839]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  713.631073][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631075][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631078][T14839]  console_emit_next_record (kernel/printk/printk.c:3183)
[  713.631082][T14839]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  713.631085][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631087][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631089][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631091][T14839]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.631095][T14839]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  713.631097][T14839]  console_flush_one_record (kernel/printk/printk.c:3268)
[  713.631101][T14839]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  713.631105][T14839]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  713.631108][T14839]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.631111][T14839]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  713.631114][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631116][T14839]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  713.631119][T14839]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  713.631121][T14839]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  713.631124][T14839]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  713.631128][T14839]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  713.631130][T14839]  vprintk_emit (kernel/printk/printk.c:2479)
[  713.631134][T14839]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  713.631136][T14839]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  713.631139][T14839]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  713.631143][T14839]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.631146][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631148][T14839]  _printk (kernel/printk/printk.c:2504)
[  713.631152][T14839]  ? snapshot_read.cold (user.c:?)
[  713.631156][T14839]  ? br_multicast_flood (??:?)
[  713.631160][T14839]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  713.631163][T14839]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  713.631166][T14839]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  713.631169][T14839]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  713.631173][T14839]  br_init_port (net/bridge/br_stp_if.c:39)
[  713.631176][T14839]  new_nbp (net/bridge/br_if.c:449)
[  713.631179][T14839]  br_add_if (net/bridge/br_if.c:592)
[  713.631182][T14839]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  713.631188][T14839]  do_set_master (net/core/rtnetlink.c:3071)
[  713.631191][T14839]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  713.631194][T14839]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  713.631196][T14839]  ? __dev_get_by_name (net/core/dev.c:905)
[  713.631199][T14839]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  713.631205][T14839]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  713.631210][T14839]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  713.631213][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631216][T14839]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  713.631218][T14839]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.631221][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631223][T14839]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  713.631227][T14839]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  713.631231][T14839]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  713.631234][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631236][T14839]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.631238][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631240][T14839]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  713.631242][T14839]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  713.631245][T14839]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  713.631248][T14839]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  713.631250][T14839]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  713.631255][T14839]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  713.631259][T14839]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  713.631262][T14839]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  713.631264][T14839]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  713.631266][T14839]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  713.631271][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631273][T14839]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  713.631276][T14839]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  713.631280][T14839]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  713.631283][T14839]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  713.631287][T14839]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  713.631292][T14839]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  713.631296][T14839]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  713.631300][T14839]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.631302][T14839]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  713.631308][T14839]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  713.631312][T14839]  ____sys_sendmsg (net/socket.c:2713)
[  713.631315][T14839]  ? copy_msghdr_from_user (net/socket.c:2650)
[  713.631318][T14839]  ? sock_write_iter (net/socket.c:1269)
[  713.631321][T14839]  ? move_addr_to_kernel (net/socket.c:258)
[  713.631324][T14839]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  713.631328][T14839]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.631331][T14839]  ___sys_sendmsg (net/socket.c:2767)
[  713.631334][T14839]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  713.631337][T14839]  ? copy_msghdr_from_user (net/socket.c:2619)
[  713.631340][T14839]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  713.631348][T14839]  __sys_sendmsg (net/socket.c:2799)
[  713.631351][T14839]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  713.631355][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631357][T14839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.631360][T14839]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  713.631363][T14839]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  713.631366][T14839]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  713.631369][T14839] RIP: 0033:0x7f0be5dce54e
[  713.631372][T14839] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  713.631374][T14839] RSP: 002b:00007ffe326d1c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  713.631379][T14839] RAX: ffffffffffffffda RBX: 00007ffe326d23e8 RCX: 00007f0be5dce54e
[  713.631382][T14839] RDX: 0000000000000000 RSI: 00007ffe326d1cd0 RDI: 0000000000000005
[  713.631384][T14839] RBP: 00007ffe326d1c30 R08: 0000000000000000 R09: 0000000000000000
[  713.631385][T14839] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c78
[  713.631387][T14839] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe326d23a0
| [  714.692031][T14877] softirqs last disabled at (0): 0x0
| [  714.692034][T14877] Preemption disabled at:
| [  714.692035][T14877] vprintk_emit (kernel/printk/printk.c:2471)
| [  714.692048][T14877] Tainted: [W]=WARN
[  714.692050][T14877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  714.692052][T14877] Call Trace:
[  714.692054][T14877]  <TASK>
[  714.692056][T14877]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  714.692063][T14877]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  714.692066][T14877]  __might_resched.cold (kernel/sched/core.c:9234)
[  714.692073][T14877]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  714.692078][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692082][T14877]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  714.692087][T14877]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  714.692091][T14877]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  714.692097][T14877]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  714.692100][T14877]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  714.692104][T14877]  put_chars (drivers/char/virtio_console.c:1176)
[  714.692107][T14877]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  714.692109][T14877]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  714.692113][T14877]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  714.692117][T14877]  ? pointer (lib/vsprintf.c:2577)
[  714.692122][T14877]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  714.692129][T14877]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  714.692132][T14877]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  714.692135][T14877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.692139][T14877]  console_emit_next_record (kernel/printk/printk.c:3183)
[  714.692143][T14877]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  714.692146][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692149][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692151][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692153][T14877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.692156][T14877]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  714.692159][T14877]  console_flush_one_record (kernel/printk/printk.c:3268)
[  714.692163][T14877]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  714.692168][T14877]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  714.692171][T14877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.692174][T14877]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  714.692177][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692179][T14877]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  714.692181][T14877]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  714.692184][T14877]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  714.692187][T14877]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  714.692190][T14877]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  714.692193][T14877]  vprintk_emit (kernel/printk/printk.c:2479)
[  714.692196][T14877]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  714.692198][T14877]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  714.692202][T14877]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  714.692206][T14877]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  714.692210][T14877]  _printk (kernel/printk/printk.c:2504)
[  714.692214][T14877]  ? snapshot_read.cold (user.c:?)
[  714.692218][T14877]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  714.692221][T14877]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  714.692226][T14877]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  714.692229][T14877]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  714.692233][T14877]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  714.692237][T14877]  ? netdev_notice (net/core/dev.c:13194)
[  714.692240][T14877]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  714.692243][T14877]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  714.692247][T14877]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  714.692250][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692252][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692255][T14877]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  714.692257][T14877]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  714.692260][T14877]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  714.692262][T14877]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  714.692265][T14877]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  714.692268][T14877]  ? register_netdev (net/core/dev.c:11618)
[  714.692270][T14877]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  714.692274][T14877]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  714.692278][T14877]  ? __kernel_text_address (kernel/extable.c:79)
[  714.692281][T14877]  ? write_profile (profile.c:?)
[  714.692286][T14877]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  714.692291][T14877]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  714.692294][T14877]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  714.692297][T14877]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  714.692299][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692302][T14877]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  714.692307][T14877]  ? kasan_save_stack (mm/kasan/common.c:58)
[  714.692310][T14877]  ? kasan_save_stack (mm/kasan/common.c:57)
[  714.692312][T14877]  ? kasan_save_track (mm/kasan/common.c:78)
[  714.692314][T14877]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  714.692316][T14877]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  714.692318][T14877]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  714.692320][T14877]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  714.692323][T14877]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  714.692327][T14877]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  714.692329][T14877]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  714.692332][T14877]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  714.692336][T14877]  ? ____sys_sendmsg (net/socket.c:2713)
[  714.692338][T14877]  ? ___sys_sendmsg (net/socket.c:2767)
[  714.692341][T14877]  ? __sys_sendmsg (net/socket.c:2799)
[  714.692343][T14877]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  714.692347][T14877]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  714.692351][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692354][T14877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.692356][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692358][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692360][T14877]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  714.692363][T14877]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  714.692366][T14877]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  714.692368][T14877]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  714.692371][T14877]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  714.692373][T14877]  ? nla_get_range_signed (lib/nlattr.c:270)
[  714.692378][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692380][T14877]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  714.692384][T14877]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  714.692387][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692390][T14877]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  714.692392][T14877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.692394][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692397][T14877]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  714.692400][T14877]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  714.692402][T14877]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  714.692405][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692407][T14877]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  714.692411][T14877]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  714.692415][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692417][T14877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.692419][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692421][T14877]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  714.692424][T14877]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  714.692427][T14877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  714.692429][T14877]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  714.692432][T14877]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  714.692436][T14877]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  714.692438][T14877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  714.692441][T14877]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  714.692443][T14877]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  714.692446][T14877]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  714.692450][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692452][T14877]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  714.692456][T14877]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  714.692459][T14877]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  714.692462][T14877]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  714.692466][T14877]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  714.692469][T14877]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  714.692472][T14877]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  714.692474][T14877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.692477][T14877]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  714.692482][T14877]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  714.692485][T14877]  ____sys_sendmsg (net/socket.c:2713)
[  714.692487][T14877]  ? copy_msghdr_from_user (net/socket.c:2650)
[  714.692490][T14877]  ? sock_write_iter (net/socket.c:1269)
[  714.692493][T14877]  ? move_addr_to_kernel (net/socket.c:258)
[  714.692495][T14877]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  714.692500][T14877]  ___sys_sendmsg (net/socket.c:2767)
[  714.692503][T14877]  ? copy_msghdr_from_user (net/socket.c:2619)
[  714.692512][T14877]  __sys_sendmsg (net/socket.c:2799)
[  714.692515][T14877]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  714.692520][T14877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.692523][T14877]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  714.692526][T14877]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  714.692529][T14877]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  714.692531][T14877] RIP: 0033:0x7f463efc754e
[  714.692535][T14877] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  714.692538][T14877] RSP: 002b:00007ffe6728ed10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  714.692543][T14877] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f463efc754e
[  714.692545][T14877] RDX: 0000000000000000 RSI: 00007ffe6728edc0 RDI: 0000000000000005
[  714.692547][T14877] RBP: 00007ffe6728ed20 R08: 0000000000000000 R09: 0000000000000000
[  714.692549][T14877] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c79
[  714.692551][T14877] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6728f480
| [  716.354070][T14936] softirqs last disabled at (0): 0x0
| [  716.354072][T14936] Preemption disabled at:
| [  716.354073][T14936] vprintk_emit (kernel/printk/printk.c:2471)
| [  716.354087][T14936] Tainted: [W]=WARN
[  716.354088][T14936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  716.354091][T14936] Call Trace:
[  716.354093][T14936]  <TASK>
[  716.354095][T14936]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  716.354101][T14936]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  716.354103][T14936]  __might_resched.cold (kernel/sched/core.c:9234)
[  716.354108][T14936]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  716.354112][T14936]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  716.354116][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354120][T14936]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  716.354124][T14936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  716.354128][T14936]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  716.354134][T14936]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  716.354137][T14936]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  716.354140][T14936]  put_chars (drivers/char/virtio_console.c:1176)
[  716.354143][T14936]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  716.354146][T14936]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  716.354150][T14936]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  716.354156][T14936]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  716.354159][T14936]  ? vsnprintf (lib/vsprintf.c:2900)
[  716.354163][T14936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  716.354166][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354167][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354170][T14936]  console_emit_next_record (kernel/printk/printk.c:3183)
[  716.354175][T14936]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  716.354178][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354180][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354182][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354184][T14936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.354188][T14936]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  716.354191][T14936]  console_flush_one_record (kernel/printk/printk.c:3268)
[  716.354195][T14936]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  716.354199][T14936]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  716.354202][T14936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.354204][T14936]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  716.354207][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354209][T14936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  716.354211][T14936]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  716.354213][T14936]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  716.354216][T14936]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  716.354219][T14936]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  716.354221][T14936]  vprintk_emit (kernel/printk/printk.c:2479)
[  716.354224][T14936]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  716.354226][T14936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  716.354228][T14936]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  716.354232][T14936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.354234][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354236][T14936]  _printk (kernel/printk/printk.c:2504)
[  716.354240][T14936]  ? snapshot_read.cold (user.c:?)
[  716.354243][T14936]  ? br_multicast_flood (??:?)
[  716.354247][T14936]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  716.354251][T14936]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  716.354253][T14936]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  716.354257][T14936]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  716.354261][T14936]  br_init_port (net/bridge/br_stp_if.c:39)
[  716.354264][T14936]  new_nbp (net/bridge/br_if.c:449)
[  716.354268][T14936]  br_add_if (net/bridge/br_if.c:592)
[  716.354270][T14936]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  716.354276][T14936]  do_set_master (net/core/rtnetlink.c:3071)
[  716.354279][T14936]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  716.354282][T14936]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  716.354284][T14936]  ? __dev_get_by_name (net/core/dev.c:905)
[  716.354287][T14936]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  716.354293][T14936]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  716.354297][T14936]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  716.354302][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354304][T14936]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  716.354306][T14936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.354308][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354311][T14936]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  716.354314][T14936]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  716.354317][T14936]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  716.354321][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354323][T14936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.354326][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354328][T14936]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  716.354331][T14936]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  716.354334][T14936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  716.354336][T14936]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  716.354338][T14936]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  716.354344][T14936]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  716.354347][T14936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  716.354350][T14936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  716.354352][T14936]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  716.354355][T14936]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  716.354359][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354361][T14936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  716.354364][T14936]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  716.354368][T14936]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  716.354371][T14936]  ? next_uptodate_folio (mm/filemap.c:3747)
[  716.354375][T14936]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  716.354379][T14936]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  716.354382][T14936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.354384][T14936]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  716.354389][T14936]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  716.354393][T14936]  ____sys_sendmsg (net/socket.c:2713)
[  716.354396][T14936]  ? copy_msghdr_from_user (net/socket.c:2650)
[  716.354399][T14936]  ? sock_write_iter (net/socket.c:1269)
[  716.354401][T14936]  ? move_addr_to_kernel (net/socket.c:258)
[  716.354405][T14936]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  716.354408][T14936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.354411][T14936]  ___sys_sendmsg (net/socket.c:2767)
[  716.354414][T14936]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  716.354416][T14936]  ? copy_msghdr_from_user (net/socket.c:2619)
[  716.354419][T14936]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  716.354427][T14936]  __sys_sendmsg (net/socket.c:2799)
[  716.354430][T14936]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  716.354434][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354436][T14936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.354439][T14936]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  716.354442][T14936]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  716.354445][T14936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  716.354448][T14936] RIP: 0033:0x7f860d50a54e
[  716.354451][T14936] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  716.354454][T14936] RSP: 002b:00007ffff167f830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  716.354459][T14936] RAX: ffffffffffffffda RBX: 00007ffff167fff8 RCX: 00007f860d50a54e
[  716.354462][T14936] RDX: 0000000000000000 RSI: 00007ffff167f8e0 RDI: 0000000000000005
[  716.354463][T14936] RBP: 00007ffff167f840 R08: 0000000000000000 R09: 0000000000000000
[  716.354465][T14936] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c7a
[  716.354466][T14936] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff167ffb0
| [  722.752345][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  722.752348][   T12] Preemption disabled at:
| [  722.752350][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  722.752365][   T12] Tainted: [W]=WARN
[  722.752368][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  722.752371][   T12] Workqueue: netns cleanup_net
[  722.752383][   T12] Call Trace:
[  722.752386][   T12]  <TASK>
[  722.752389][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  722.752396][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  722.752398][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  722.752403][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  722.752406][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  722.752411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.752415][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  722.752419][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.752423][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  722.752429][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  722.752436][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  722.752442][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  722.752449][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  722.752453][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  722.752460][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  722.752468][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  722.752471][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  722.752475][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.752478][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.752480][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.752484][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  722.752488][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  722.752491][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.752493][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.752495][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.752498][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.752502][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  722.752505][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  722.752509][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  722.752513][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  722.752516][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.752518][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  722.752521][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.752523][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  722.752525][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  722.752527][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  722.752531][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  722.752537][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  722.752540][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  722.752548][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  722.752550][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  722.752553][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  722.752561][   T12]  ? kthread (kernel/kthread.c:436)
[  722.752564][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  722.752568][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  722.752573][   T12]  _printk (kernel/printk/printk.c:2504)
[  722.752578][   T12]  ? snapshot_read.cold (user.c:?)
[  722.752581][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  722.752586][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  722.752589][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  722.752596][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  722.752601][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.752608][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  722.752610][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  722.752619][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  722.752622][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  722.752625][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  722.752629][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  722.752634][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  722.752639][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  722.752643][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  722.752647][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  722.752651][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  722.752654][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  722.752658][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  722.752661][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  722.752665][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.752668][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.752671][   T12]  process_one_work (kernel/workqueue.c:3387)
[  722.752676][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  722.752680][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.752685][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  722.752689][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  722.752692][   T12]  kthread (kernel/kthread.c:436)
[  722.752695][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  722.752698][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  722.752701][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  722.752704][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  722.752707][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  722.752711][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  722.752714][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  723.832928][T15030] softirqs last disabled at (0): 0x0
| [  723.832931][T15030] Preemption disabled at:
| [  723.832932][T15030] vprintk_emit (kernel/printk/printk.c:2471)
| [  723.832945][T15030] Tainted: [W]=WARN
[  723.832946][T15030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  723.832949][T15030] Call Trace:
[  723.832951][T15030]  <TASK>
[  723.832952][T15030]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  723.832959][T15030]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  723.832962][T15030]  __might_resched.cold (kernel/sched/core.c:9234)
[  723.832967][T15030]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  723.832972][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.832976][T15030]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  723.832980][T15030]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  723.832985][T15030]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  723.832997][T15030]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  723.832999][T15030]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  723.833003][T15030]  put_chars (drivers/char/virtio_console.c:1176)
[  723.833005][T15030]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  723.833007][T15030]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  723.833011][T15030]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  723.833014][T15030]  ? pointer (lib/vsprintf.c:2577)
[  723.833018][T15030]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  723.833025][T15030]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  723.833027][T15030]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  723.833030][T15030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.833034][T15030]  console_emit_next_record (kernel/printk/printk.c:3183)
[  723.833038][T15030]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  723.833041][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833043][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833045][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833047][T15030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.833051][T15030]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  723.833054][T15030]  console_flush_one_record (kernel/printk/printk.c:3268)
[  723.833058][T15030]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  723.833062][T15030]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  723.833065][T15030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.833071][T15030]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  723.833073][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833075][T15030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  723.833079][T15030]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  723.833082][T15030]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  723.833084][T15030]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  723.833087][T15030]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  723.833090][T15030]  vprintk_emit (kernel/printk/printk.c:2479)
[  723.833093][T15030]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  723.833095][T15030]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  723.833098][T15030]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  723.833102][T15030]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  723.833106][T15030]  _printk (kernel/printk/printk.c:2504)
[  723.833109][T15030]  ? snapshot_read.cold (user.c:?)
[  723.833113][T15030]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  723.833116][T15030]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  723.833120][T15030]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  723.833123][T15030]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  723.833127][T15030]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  723.833131][T15030]  ? netdev_notice (net/core/dev.c:13194)
[  723.833135][T15030]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  723.833137][T15030]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  723.833141][T15030]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  723.833144][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833146][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833148][T15030]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  723.833150][T15030]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  723.833153][T15030]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  723.833155][T15030]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  723.833157][T15030]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  723.833160][T15030]  ? register_netdev (net/core/dev.c:11618)
[  723.833162][T15030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  723.833165][T15030]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  723.833168][T15030]  ? __kernel_text_address (kernel/extable.c:79)
[  723.833172][T15030]  ? write_profile (profile.c:?)
[  723.833176][T15030]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  723.833180][T15030]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  723.833183][T15030]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  723.833186][T15030]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  723.833188][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833190][T15030]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  723.833194][T15030]  ? kasan_save_stack (mm/kasan/common.c:58)
[  723.833197][T15030]  ? kasan_save_stack (mm/kasan/common.c:57)
[  723.833199][T15030]  ? kasan_save_track (mm/kasan/common.c:78)
[  723.833201][T15030]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  723.833204][T15030]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  723.833206][T15030]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  723.833208][T15030]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  723.833211][T15030]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  723.833215][T15030]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  723.833218][T15030]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  723.833220][T15030]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  723.833224][T15030]  ? ____sys_sendmsg (net/socket.c:2713)
[  723.833226][T15030]  ? ___sys_sendmsg (net/socket.c:2767)
[  723.833228][T15030]  ? __sys_sendmsg (net/socket.c:2799)
[  723.833231][T15030]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  723.833234][T15030]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  723.833238][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833240][T15030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.833242][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833244][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833246][T15030]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  723.833248][T15030]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  723.833250][T15030]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  723.833252][T15030]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  723.833255][T15030]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  723.833257][T15030]  ? nla_get_range_signed (lib/nlattr.c:270)
[  723.833262][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833264][T15030]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  723.833268][T15030]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  723.833271][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833273][T15030]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  723.833275][T15030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.833278][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833281][T15030]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  723.833284][T15030]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  723.833287][T15030]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  723.833289][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833292][T15030]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  723.833296][T15030]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  723.833301][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833304][T15030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.833306][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833308][T15030]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  723.833311][T15030]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  723.833313][T15030]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  723.833315][T15030]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  723.833318][T15030]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  723.833322][T15030]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  723.833324][T15030]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  723.833326][T15030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  723.833329][T15030]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  723.833331][T15030]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  723.833336][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833338][T15030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  723.833341][T15030]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  723.833344][T15030]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  723.833347][T15030]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  723.833350][T15030]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  723.833353][T15030]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  723.833356][T15030]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  723.833359][T15030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.833362][T15030]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  723.833366][T15030]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  723.833369][T15030]  ____sys_sendmsg (net/socket.c:2713)
[  723.833372][T15030]  ? copy_msghdr_from_user (net/socket.c:2650)
[  723.833375][T15030]  ? sock_write_iter (net/socket.c:1269)
[  723.833378][T15030]  ? move_addr_to_kernel (net/socket.c:258)
[  723.833381][T15030]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  723.833385][T15030]  ___sys_sendmsg (net/socket.c:2767)
[  723.833388][T15030]  ? copy_msghdr_from_user (net/socket.c:2619)
[  723.833397][T15030]  __sys_sendmsg (net/socket.c:2799)
[  723.833399][T15030]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  723.833404][T15030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.833406][T15030]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  723.833409][T15030]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  723.833412][T15030]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  723.833414][T15030] RIP: 0033:0x7fe96e42254e
[  723.833417][T15030] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  723.833419][T15030] RSP: 002b:00007fff39883360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  723.833424][T15030] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe96e42254e
[  723.833426][T15030] RDX: 0000000000000000 RSI: 00007fff39883410 RDI: 0000000000000005
[  723.833427][T15030] RBP: 00007fff39883370 R08: 0000000000000000 R09: 0000000000000000
[  723.833429][T15030] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c82
[  723.833430][T15030] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff39883ad0
| [  725.545090][T15104] softirqs last disabled at (0): 0x0
| [  725.545093][T15104] Preemption disabled at:
| [  725.545094][T15104] vprintk_emit (kernel/printk/printk.c:2471)
| [  725.545108][T15104] Tainted: [W]=WARN
[  725.545109][T15104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  725.545112][T15104] Call Trace:
[  725.545114][T15104]  <TASK>
[  725.545116][T15104]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  725.545123][T15104]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  725.545125][T15104]  __might_resched.cold (kernel/sched/core.c:9234)
[  725.545130][T15104]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  725.545133][T15104]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  725.545137][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545141][T15104]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  725.545145][T15104]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  725.545149][T15104]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  725.545155][T15104]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  725.545158][T15104]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  725.545161][T15104]  put_chars (drivers/char/virtio_console.c:1176)
[  725.545164][T15104]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  725.545167][T15104]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  725.545171][T15104]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  725.545178][T15104]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  725.545180][T15104]  ? vsnprintf (lib/vsprintf.c:2900)
[  725.545185][T15104]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  725.545187][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545189][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545192][T15104]  console_emit_next_record (kernel/printk/printk.c:3183)
[  725.545196][T15104]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  725.545199][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545201][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545203][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545205][T15104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.545208][T15104]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  725.545211][T15104]  console_flush_one_record (kernel/printk/printk.c:3268)
[  725.545215][T15104]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  725.545219][T15104]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  725.545221][T15104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.545224][T15104]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  725.545226][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545228][T15104]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  725.545230][T15104]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  725.545233][T15104]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  725.545236][T15104]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  725.545239][T15104]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  725.545242][T15104]  vprintk_emit (kernel/printk/printk.c:2479)
[  725.545245][T15104]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  725.545247][T15104]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  725.545250][T15104]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  725.545254][T15104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.545257][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545260][T15104]  _printk (kernel/printk/printk.c:2504)
[  725.545265][T15104]  ? snapshot_read.cold (user.c:?)
[  725.545268][T15104]  ? br_multicast_flood (??:?)
[  725.545273][T15104]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  725.545277][T15104]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  725.545279][T15104]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  725.545282][T15104]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  725.545287][T15104]  br_init_port (net/bridge/br_stp_if.c:39)
[  725.545290][T15104]  new_nbp (net/bridge/br_if.c:449)
[  725.545293][T15104]  br_add_if (net/bridge/br_if.c:592)
[  725.545296][T15104]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  725.545302][T15104]  do_set_master (net/core/rtnetlink.c:3071)
[  725.545306][T15104]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  725.545309][T15104]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  725.545311][T15104]  ? __dev_get_by_name (net/core/dev.c:905)
[  725.545313][T15104]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  725.545319][T15104]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  725.545323][T15104]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  725.545327][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545329][T15104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  725.545331][T15104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.545333][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545336][T15104]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  725.545339][T15104]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  725.545343][T15104]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  725.545346][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545349][T15104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.545351][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545354][T15104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  725.545356][T15104]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  725.545359][T15104]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  725.545362][T15104]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  725.545364][T15104]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  725.545369][T15104]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  725.545373][T15104]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  725.545376][T15104]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  725.545378][T15104]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  725.545381][T15104]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  725.545385][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545387][T15104]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  725.545390][T15104]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  725.545393][T15104]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  725.545397][T15104]  ? next_uptodate_folio (mm/filemap.c:3747)
[  725.545401][T15104]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  725.545404][T15104]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  725.545407][T15104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.545410][T15104]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  725.545415][T15104]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  725.545419][T15104]  ____sys_sendmsg (net/socket.c:2713)
[  725.545422][T15104]  ? copy_msghdr_from_user (net/socket.c:2650)
[  725.545425][T15104]  ? sock_write_iter (net/socket.c:1269)
[  725.545428][T15104]  ? move_addr_to_kernel (net/socket.c:258)
[  725.545431][T15104]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  725.545435][T15104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.545438][T15104]  ___sys_sendmsg (net/socket.c:2767)
[  725.545440][T15104]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  725.545443][T15104]  ? copy_msghdr_from_user (net/socket.c:2619)
[  725.545446][T15104]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  725.545454][T15104]  __sys_sendmsg (net/socket.c:2799)
[  725.545457][T15104]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  725.545461][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545463][T15104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.545465][T15104]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  725.545469][T15104]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  725.545472][T15104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  725.545475][T15104] RIP: 0033:0x7f1b9e2fc54e
[  725.545478][T15104] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  725.545481][T15104] RSP: 002b:00007ffd805159c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  725.545486][T15104] RAX: ffffffffffffffda RBX: 00007ffd80516188 RCX: 00007f1b9e2fc54e
[  725.545488][T15104] RDX: 0000000000000000 RSI: 00007ffd80515a70 RDI: 0000000000000005
[  725.545490][T15104] RBP: 00007ffd805159d0 R08: 0000000000000000 R09: 0000000000000000
[  725.545492][T15104] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c83
[  725.545494][T15104] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd80516140
| [  726.622896][T15143] softirqs last disabled at (0): 0x0
| [  726.622898][T15143] Preemption disabled at:
| [  726.622899][T15143] vprintk_emit (kernel/printk/printk.c:2471)
| [  726.622912][T15143] Tainted: [W]=WARN
[  726.622914][T15143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  726.622916][T15143] Call Trace:
[  726.622918][T15143]  <TASK>
[  726.622920][T15143]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  726.622926][T15143]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  726.622929][T15143]  __might_resched.cold (kernel/sched/core.c:9234)
[  726.622933][T15143]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  726.622937][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.622941][T15143]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  726.622946][T15143]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  726.622950][T15143]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  726.622956][T15143]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  726.622959][T15143]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  726.622963][T15143]  put_chars (drivers/char/virtio_console.c:1176)
[  726.622966][T15143]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  726.622968][T15143]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  726.622972][T15143]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  726.622976][T15143]  ? pointer (lib/vsprintf.c:2577)
[  726.622980][T15143]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  726.622987][T15143]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  726.622989][T15143]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  726.622992][T15143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  726.622996][T15143]  console_emit_next_record (kernel/printk/printk.c:3183)
[  726.622999][T15143]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  726.623007][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623010][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623012][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623013][T15143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  726.623017][T15143]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  726.623019][T15143]  console_flush_one_record (kernel/printk/printk.c:3268)
[  726.623023][T15143]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  726.623028][T15143]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  726.623031][T15143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  726.623034][T15143]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  726.623037][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623039][T15143]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  726.623041][T15143]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  726.623044][T15143]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  726.623047][T15143]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  726.623050][T15143]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  726.623053][T15143]  vprintk_emit (kernel/printk/printk.c:2479)
[  726.623056][T15143]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  726.623058][T15143]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  726.623062][T15143]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  726.623066][T15143]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  726.623072][T15143]  _printk (kernel/printk/printk.c:2504)
[  726.623077][T15143]  ? snapshot_read.cold (user.c:?)
[  726.623082][T15143]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  726.623085][T15143]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  726.623089][T15143]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  726.623092][T15143]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  726.623096][T15143]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  726.623099][T15143]  ? netdev_notice (net/core/dev.c:13194)
[  726.623102][T15143]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  726.623105][T15143]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  726.623108][T15143]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  726.623111][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623113][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623116][T15143]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  726.623118][T15143]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  726.623121][T15143]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  726.623124][T15143]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  726.623126][T15143]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  726.623129][T15143]  ? register_netdev (net/core/dev.c:11618)
[  726.623132][T15143]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  726.623135][T15143]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  726.623139][T15143]  ? __kernel_text_address (kernel/extable.c:79)
[  726.623142][T15143]  ? write_profile (profile.c:?)
[  726.623146][T15143]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  726.623151][T15143]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  726.623154][T15143]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  726.623156][T15143]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  726.623158][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623160][T15143]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  726.623165][T15143]  ? kasan_save_stack (mm/kasan/common.c:58)
[  726.623167][T15143]  ? kasan_save_stack (mm/kasan/common.c:57)
[  726.623169][T15143]  ? kasan_save_track (mm/kasan/common.c:78)
[  726.623171][T15143]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  726.623173][T15143]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  726.623175][T15143]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  726.623176][T15143]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  726.623178][T15143]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  726.623182][T15143]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  726.623184][T15143]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  726.623187][T15143]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  726.623190][T15143]  ? ____sys_sendmsg (net/socket.c:2713)
[  726.623193][T15143]  ? ___sys_sendmsg (net/socket.c:2767)
[  726.623196][T15143]  ? __sys_sendmsg (net/socket.c:2799)
[  726.623198][T15143]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  726.623202][T15143]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  726.623206][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623209][T15143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  726.623211][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623213][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623215][T15143]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  726.623218][T15143]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  726.623220][T15143]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  726.623222][T15143]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  726.623225][T15143]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  726.623227][T15143]  ? nla_get_range_signed (lib/nlattr.c:270)
[  726.623232][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623234][T15143]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  726.623237][T15143]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  726.623240][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623242][T15143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  726.623244][T15143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  726.623247][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623249][T15143]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  726.623252][T15143]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  726.623254][T15143]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  726.623257][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623259][T15143]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  726.623263][T15143]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  726.623266][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623269][T15143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  726.623271][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623274][T15143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  726.623276][T15143]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  726.623280][T15143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  726.623282][T15143]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  726.623285][T15143]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  726.623289][T15143]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  726.623292][T15143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  726.623295][T15143]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  726.623298][T15143]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  726.623301][T15143]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  726.623306][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623308][T15143]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  726.623311][T15143]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  726.623314][T15143]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  726.623317][T15143]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  726.623320][T15143]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  726.623324][T15143]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  726.623326][T15143]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  726.623329][T15143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  726.623331][T15143]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  726.623336][T15143]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  726.623339][T15143]  ____sys_sendmsg (net/socket.c:2713)
[  726.623341][T15143]  ? copy_msghdr_from_user (net/socket.c:2650)
[  726.623344][T15143]  ? sock_write_iter (net/socket.c:1269)
[  726.623346][T15143]  ? move_addr_to_kernel (net/socket.c:258)
[  726.623349][T15143]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  726.623354][T15143]  ___sys_sendmsg (net/socket.c:2767)
[  726.623357][T15143]  ? copy_msghdr_from_user (net/socket.c:2619)
[  726.623366][T15143]  __sys_sendmsg (net/socket.c:2799)
[  726.623369][T15143]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  726.623374][T15143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.623376][T15143]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  726.623379][T15143]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  726.623382][T15143]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  726.623384][T15143] RIP: 0033:0x7f7e69b4854e
[  726.623387][T15143] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  726.623389][T15143] RSP: 002b:00007ffd326b93c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  726.623394][T15143] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7e69b4854e
[  726.623396][T15143] RDX: 0000000000000000 RSI: 00007ffd326b9470 RDI: 0000000000000005
[  726.623398][T15143] RBP: 00007ffd326b93d0 R08: 0000000000000000 R09: 0000000000000000
[  726.623399][T15143] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c85
[  726.623401][T15143] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd326b9b30
| [  728.317226][T15200] softirqs last disabled at (0): 0x0
| [  728.317229][T15200] Preemption disabled at:
| [  728.317230][T15200] vprintk_emit (kernel/printk/printk.c:2471)
| [  728.317244][T15200] Tainted: [W]=WARN
[  728.317245][T15200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  728.317248][T15200] Call Trace:
[  728.317250][T15200]  <TASK>
[  728.317252][T15200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  728.317258][T15200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  728.317261][T15200]  __might_resched.cold (kernel/sched/core.c:9234)
[  728.317266][T15200]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  728.317269][T15200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  728.317273][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317277][T15200]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  728.317281][T15200]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  728.317285][T15200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  728.317292][T15200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  728.317295][T15200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  728.317300][T15200]  put_chars (drivers/char/virtio_console.c:1176)
[  728.317303][T15200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  728.317306][T15200]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  728.317311][T15200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  728.317317][T15200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  728.317320][T15200]  ? vsnprintf (lib/vsprintf.c:2900)
[  728.317324][T15200]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  728.317327][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317329][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317332][T15200]  console_emit_next_record (kernel/printk/printk.c:3183)
[  728.317336][T15200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  728.317340][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317342][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317343][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317345][T15200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.317349][T15200]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  728.317352][T15200]  console_flush_one_record (kernel/printk/printk.c:3268)
[  728.317356][T15200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  728.317360][T15200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  728.317363][T15200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.317365][T15200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  728.317368][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317370][T15200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  728.317373][T15200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  728.317376][T15200]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  728.317378][T15200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  728.317382][T15200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  728.317385][T15200]  vprintk_emit (kernel/printk/printk.c:2479)
[  728.317388][T15200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  728.317390][T15200]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  728.317393][T15200]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  728.317397][T15200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.317399][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317402][T15200]  _printk (kernel/printk/printk.c:2504)
[  728.317406][T15200]  ? snapshot_read.cold (user.c:?)
[  728.317409][T15200]  ? br_multicast_flood (??:?)
[  728.317413][T15200]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  728.317417][T15200]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  728.317419][T15200]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  728.317423][T15200]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  728.317427][T15200]  br_init_port (net/bridge/br_stp_if.c:39)
[  728.317430][T15200]  new_nbp (net/bridge/br_if.c:449)
[  728.317433][T15200]  br_add_if (net/bridge/br_if.c:592)
[  728.317436][T15200]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  728.317442][T15200]  do_set_master (net/core/rtnetlink.c:3071)
[  728.317445][T15200]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  728.317448][T15200]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  728.317451][T15200]  ? __dev_get_by_name (net/core/dev.c:905)
[  728.317454][T15200]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  728.317460][T15200]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  728.317464][T15200]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  728.317468][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317471][T15200]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  728.317473][T15200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.317475][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317478][T15200]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  728.317482][T15200]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  728.317485][T15200]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  728.317488][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317490][T15200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.317493][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317495][T15200]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  728.317497][T15200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  728.317500][T15200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  728.317502][T15200]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  728.317505][T15200]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  728.317510][T15200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  728.317514][T15200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  728.317517][T15200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  728.317519][T15200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  728.317522][T15200]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  728.317527][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317529][T15200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  728.317533][T15200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  728.317537][T15200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  728.317540][T15200]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  728.317544][T15200]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  728.317549][T15200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  728.317553][T15200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  728.317556][T15200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.317558][T15200]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  728.317563][T15200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  728.317567][T15200]  ____sys_sendmsg (net/socket.c:2713)
[  728.317570][T15200]  ? copy_msghdr_from_user (net/socket.c:2650)
[  728.317572][T15200]  ? sock_write_iter (net/socket.c:1269)
[  728.317575][T15200]  ? move_addr_to_kernel (net/socket.c:258)
[  728.317578][T15200]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  728.317582][T15200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.317585][T15200]  ___sys_sendmsg (net/socket.c:2767)
[  728.317588][T15200]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  728.317590][T15200]  ? copy_msghdr_from_user (net/socket.c:2619)
[  728.317593][T15200]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  728.317601][T15200]  __sys_sendmsg (net/socket.c:2799)
[  728.317604][T15200]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  728.317608][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317610][T15200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.317613][T15200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  728.317617][T15200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  728.317620][T15200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  728.317623][T15200] RIP: 0033:0x7fb6a687e54e
[  728.317627][T15200] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  728.317630][T15200] RSP: 002b:00007fff057b3d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  728.317635][T15200] RAX: ffffffffffffffda RBX: 00007fff057b44f8 RCX: 00007fb6a687e54e
[  728.317637][T15200] RDX: 0000000000000000 RSI: 00007fff057b3de0 RDI: 0000000000000005
[  728.317639][T15200] RBP: 00007fff057b3d40 R08: 0000000000000000 R09: 0000000000000000
[  728.317640][T15200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c86
[  728.317642][T15200] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff057b44b0
| [  738.685447][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  738.685451][   T12] Preemption disabled at:
| [  738.685452][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  738.685468][   T12] Tainted: [W]=WARN
[  738.685471][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  738.685474][   T12] Workqueue: netns cleanup_net
[  738.685484][   T12] Call Trace:
[  738.685488][   T12]  <TASK>
[  738.685491][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  738.685499][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  738.685501][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  738.685506][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  738.685509][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  738.685514][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.685518][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  738.685525][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  738.685531][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  738.685542][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  738.685547][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  738.685554][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  738.685557][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  738.685560][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  738.685564][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  738.685571][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  738.685574][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  738.685579][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  738.685581][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.685583][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.685586][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  738.685590][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  738.685593][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.685595][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.685597][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.685599][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  738.685602][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  738.685605][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  738.685608][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  738.685613][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  738.685615][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  738.685618][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  738.685620][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.685622][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  738.685625][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  738.685627][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  738.685629][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  738.685632][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  738.685634][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  738.685637][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  738.685639][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  738.685642][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  738.685646][   T12]  ? kthread (kernel/kthread.c:436)
[  738.685649][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  738.685653][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  738.685657][   T12]  _printk (kernel/printk/printk.c:2504)
[  738.685661][   T12]  ? snapshot_read.cold (user.c:?)
[  738.685665][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  738.685670][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  738.685673][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  738.685677][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  738.685680][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.685683][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  738.685685][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  738.685688][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  738.685691][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  738.685693][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  738.685696][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  738.685700][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  738.685705][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  738.685709][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  738.685712][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  738.685715][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  738.685718][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  738.685722][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  738.685725][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  738.685728][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  738.685732][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  738.685734][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  738.685737][   T12]  process_one_work (kernel/workqueue.c:3387)
[  738.685742][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  738.685746][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  738.685750][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  738.685755][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  738.685758][   T12]  kthread (kernel/kthread.c:436)
[  738.685760][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  738.685763][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  738.685766][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  738.685768][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  738.685771][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  738.685775][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  738.685778][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  739.756644][T15412] softirqs last disabled at (0): 0x0
| [  739.756647][T15412] Preemption disabled at:
| [  739.756649][T15412] vprintk_emit (kernel/printk/printk.c:2471)
| [  739.756662][T15412] Tainted: [W]=WARN
[  739.756663][T15412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  739.756666][T15412] Call Trace:
[  739.756667][T15412]  <TASK>
[  739.756669][T15412]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  739.756676][T15412]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  739.756678][T15412]  __might_resched.cold (kernel/sched/core.c:9234)
[  739.756683][T15412]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  739.756687][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756691][T15412]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  739.756695][T15412]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  739.756698][T15412]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  739.756705][T15412]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  739.756708][T15412]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  739.756712][T15412]  put_chars (drivers/char/virtio_console.c:1176)
[  739.756715][T15412]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  739.756717][T15412]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  739.756721][T15412]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  739.756724][T15412]  ? pointer (lib/vsprintf.c:2577)
[  739.756730][T15412]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  739.756736][T15412]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  739.756739][T15412]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  739.756742][T15412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  739.756746][T15412]  console_emit_next_record (kernel/printk/printk.c:3183)
[  739.756749][T15412]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  739.756753][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756755][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756756][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756758][T15412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  739.756761][T15412]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  739.756764][T15412]  console_flush_one_record (kernel/printk/printk.c:3268)
[  739.756767][T15412]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  739.756772][T15412]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  739.756774][T15412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  739.756777][T15412]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  739.756779][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756781][T15412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  739.756783][T15412]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  739.756786][T15412]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  739.756789][T15412]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  739.756792][T15412]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  739.756795][T15412]  vprintk_emit (kernel/printk/printk.c:2479)
[  739.756799][T15412]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  739.756801][T15412]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  739.756805][T15412]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  739.756809][T15412]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  739.756813][T15412]  _printk (kernel/printk/printk.c:2504)
[  739.756817][T15412]  ? snapshot_read.cold (user.c:?)
[  739.756820][T15412]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  739.756824][T15412]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  739.756827][T15412]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  739.756830][T15412]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  739.756834][T15412]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  739.756837][T15412]  ? netdev_notice (net/core/dev.c:13194)
[  739.756840][T15412]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  739.756843][T15412]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  739.756847][T15412]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  739.756849][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756850][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756853][T15412]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  739.756855][T15412]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  739.756857][T15412]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  739.756859][T15412]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  739.756862][T15412]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  739.756865][T15412]  ? register_netdev (net/core/dev.c:11618)
[  739.756867][T15412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  739.756871][T15412]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  739.756874][T15412]  ? __kernel_text_address (kernel/extable.c:79)
[  739.756878][T15412]  ? write_profile (profile.c:?)
[  739.756882][T15412]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  739.756888][T15412]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  739.756891][T15412]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  739.756894][T15412]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  739.756896][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756897][T15412]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  739.756902][T15412]  ? kasan_save_stack (mm/kasan/common.c:58)
[  739.756905][T15412]  ? kasan_save_stack (mm/kasan/common.c:57)
[  739.756906][T15412]  ? kasan_save_track (mm/kasan/common.c:78)
[  739.756908][T15412]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  739.756910][T15412]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  739.756912][T15412]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  739.756914][T15412]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  739.756916][T15412]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  739.756920][T15412]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  739.756922][T15412]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  739.756924][T15412]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  739.756927][T15412]  ? ____sys_sendmsg (net/socket.c:2713)
[  739.756930][T15412]  ? ___sys_sendmsg (net/socket.c:2767)
[  739.756932][T15412]  ? __sys_sendmsg (net/socket.c:2799)
[  739.756934][T15412]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  739.756937][T15412]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  739.756941][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756944][T15412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  739.756946][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756948][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756951][T15412]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  739.756954][T15412]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  739.756956][T15412]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  739.756959][T15412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  739.756962][T15412]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  739.756964][T15412]  ? nla_get_range_signed (lib/nlattr.c:270)
[  739.756969][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756971][T15412]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  739.756975][T15412]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  739.756978][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756980][T15412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  739.756982][T15412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  739.756984][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756987][T15412]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  739.756990][T15412]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  739.756992][T15412]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  739.756994][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.756996][T15412]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  739.757000][T15412]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  739.757003][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.757005][T15412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  739.757007][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.757009][T15412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  739.757012][T15412]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  739.757014][T15412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  739.757017][T15412]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  739.757019][T15412]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  739.757023][T15412]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  739.757026][T15412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  739.757029][T15412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  739.757032][T15412]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  739.757035][T15412]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  739.757039][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.757042][T15412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  739.757045][T15412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  739.757049][T15412]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  739.757052][T15412]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  739.757055][T15412]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  739.757059][T15412]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  739.757061][T15412]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  739.757064][T15412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  739.757070][T15412]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  739.757075][T15412]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  739.757079][T15412]  ____sys_sendmsg (net/socket.c:2713)
[  739.757088][T15412]  ? copy_msghdr_from_user (net/socket.c:2650)
[  739.757090][T15412]  ? sock_write_iter (net/socket.c:1269)
[  739.757092][T15412]  ? move_addr_to_kernel (net/socket.c:258)
[  739.757095][T15412]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  739.757099][T15412]  ___sys_sendmsg (net/socket.c:2767)
[  739.757102][T15412]  ? copy_msghdr_from_user (net/socket.c:2619)
[  739.757111][T15412]  __sys_sendmsg (net/socket.c:2799)
[  739.757114][T15412]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  739.757119][T15412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.757122][T15412]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  739.757125][T15412]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  739.757128][T15412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  739.757131][T15412] RIP: 0033:0x7f31a25bb54e
[  739.757134][T15412] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  739.757136][T15412] RSP: 002b:00007ffed79fc8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  739.757141][T15412] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f31a25bb54e
[  739.757143][T15412] RDX: 0000000000000000 RSI: 00007ffed79fc960 RDI: 0000000000000005
[  739.757144][T15412] RBP: 00007ffed79fc8c0 R08: 0000000000000000 R09: 0000000000000000
[  739.757146][T15412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c92
[  739.757147][T15412] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed79fd020
| [  741.472200][T15486] softirqs last disabled at (0): 0x0
| [  741.472203][T15486] Preemption disabled at:
| [  741.472205][T15486] vprintk_emit (kernel/printk/printk.c:2471)
| [  741.472218][T15486] Tainted: [W]=WARN
[  741.472220][T15486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  741.472222][T15486] Call Trace:
[  741.472224][T15486]  <TASK>
[  741.472226][T15486]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  741.472233][T15486]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  741.472236][T15486]  __might_resched.cold (kernel/sched/core.c:9234)
[  741.472240][T15486]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  741.472243][T15486]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  741.472247][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472251][T15486]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  741.472255][T15486]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  741.472259][T15486]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  741.472265][T15486]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  741.472268][T15486]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  741.472271][T15486]  put_chars (drivers/char/virtio_console.c:1176)
[  741.472274][T15486]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  741.472278][T15486]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  741.472282][T15486]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  741.472289][T15486]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  741.472291][T15486]  ? vsnprintf (lib/vsprintf.c:2900)
[  741.472296][T15486]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  741.472299][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472302][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472306][T15486]  console_emit_next_record (kernel/printk/printk.c:3183)
[  741.472310][T15486]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  741.472313][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472315][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472318][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472320][T15486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.472323][T15486]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  741.472325][T15486]  console_flush_one_record (kernel/printk/printk.c:3268)
[  741.472329][T15486]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  741.472333][T15486]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  741.472336][T15486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.472338][T15486]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  741.472341][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472342][T15486]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  741.472345][T15486]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  741.472347][T15486]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  741.472350][T15486]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  741.472353][T15486]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  741.472355][T15486]  vprintk_emit (kernel/printk/printk.c:2479)
[  741.472359][T15486]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  741.472361][T15486]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  741.472364][T15486]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  741.472368][T15486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.472371][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472374][T15486]  _printk (kernel/printk/printk.c:2504)
[  741.472378][T15486]  ? snapshot_read.cold (user.c:?)
[  741.472381][T15486]  ? br_multicast_flood (??:?)
[  741.472386][T15486]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  741.472390][T15486]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  741.472392][T15486]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  741.472395][T15486]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  741.472400][T15486]  br_init_port (net/bridge/br_stp_if.c:39)
[  741.472403][T15486]  new_nbp (net/bridge/br_if.c:449)
[  741.472406][T15486]  br_add_if (net/bridge/br_if.c:592)
[  741.472409][T15486]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  741.472415][T15486]  do_set_master (net/core/rtnetlink.c:3071)
[  741.472418][T15486]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  741.472421][T15486]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  741.472423][T15486]  ? __dev_get_by_name (net/core/dev.c:905)
[  741.472426][T15486]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  741.472431][T15486]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  741.472435][T15486]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  741.472439][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472441][T15486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  741.472443][T15486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.472445][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472447][T15486]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  741.472451][T15486]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  741.472454][T15486]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  741.472458][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472460][T15486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.472463][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472465][T15486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  741.472468][T15486]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  741.472471][T15486]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  741.472473][T15486]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  741.472476][T15486]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  741.472481][T15486]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  741.472486][T15486]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  741.472488][T15486]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  741.472491][T15486]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  741.472493][T15486]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  741.472498][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472500][T15486]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  741.472503][T15486]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  741.472507][T15486]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  741.472510][T15486]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  741.472513][T15486]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  741.472517][T15486]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  741.472521][T15486]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  741.472524][T15486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.472526][T15486]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  741.472531][T15486]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  741.472535][T15486]  ____sys_sendmsg (net/socket.c:2713)
[  741.472538][T15486]  ? copy_msghdr_from_user (net/socket.c:2650)
[  741.472540][T15486]  ? sock_write_iter (net/socket.c:1269)
[  741.472543][T15486]  ? move_addr_to_kernel (net/socket.c:258)
[  741.472547][T15486]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  741.472550][T15486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.472554][T15486]  ___sys_sendmsg (net/socket.c:2767)
[  741.472557][T15486]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  741.472560][T15486]  ? copy_msghdr_from_user (net/socket.c:2619)
[  741.472562][T15486]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  741.472571][T15486]  __sys_sendmsg (net/socket.c:2799)
[  741.472574][T15486]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  741.472578][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472580][T15486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.472583][T15486]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  741.472587][T15486]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  741.472589][T15486]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  741.472592][T15486] RIP: 0033:0x7f125921854e
[  741.472595][T15486] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  741.472598][T15486] RSP: 002b:00007fff86e130d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  741.472603][T15486] RAX: ffffffffffffffda RBX: 00007fff86e13898 RCX: 00007f125921854e
[  741.472605][T15486] RDX: 0000000000000000 RSI: 00007fff86e13180 RDI: 0000000000000005
[  741.472606][T15486] RBP: 00007fff86e130e0 R08: 0000000000000000 R09: 0000000000000000
[  741.472608][T15486] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c93
[  741.472609][T15486] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff86e13850
| [  742.549731][T15525] softirqs last disabled at (0): 0x0
| [  742.549734][T15525] Preemption disabled at:
| [  742.549735][T15525] vprintk_emit (kernel/printk/printk.c:2471)
| [  742.549748][T15525] Tainted: [W]=WARN
[  742.549750][T15525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  742.549752][T15525] Call Trace:
[  742.549754][T15525]  <TASK>
[  742.549756][T15525]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  742.549763][T15525]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  742.549766][T15525]  __might_resched.cold (kernel/sched/core.c:9234)
[  742.549770][T15525]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  742.549775][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.549779][T15525]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  742.549783][T15525]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  742.549787][T15525]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  742.549794][T15525]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  742.549797][T15525]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  742.549801][T15525]  put_chars (drivers/char/virtio_console.c:1176)
[  742.549803][T15525]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  742.549805][T15525]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  742.549809][T15525]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  742.549812][T15525]  ? pointer (lib/vsprintf.c:2577)
[  742.549817][T15525]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  742.549824][T15525]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  742.549826][T15525]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  742.549829][T15525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  742.549833][T15525]  console_emit_next_record (kernel/printk/printk.c:3183)
[  742.549837][T15525]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  742.549840][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.549842][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.549844][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.549846][T15525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  742.549849][T15525]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  742.549852][T15525]  console_flush_one_record (kernel/printk/printk.c:3268)
[  742.549856][T15525]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  742.549861][T15525]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  742.549864][T15525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  742.549867][T15525]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  742.549869][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.549871][T15525]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  742.549874][T15525]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  742.549876][T15525]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  742.549878][T15525]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  742.549882][T15525]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  742.549884][T15525]  vprintk_emit (kernel/printk/printk.c:2479)
[  742.549887][T15525]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  742.549889][T15525]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  742.549893][T15525]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  742.549896][T15525]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  742.549900][T15525]  _printk (kernel/printk/printk.c:2504)
[  742.549904][T15525]  ? snapshot_read.cold (user.c:?)
[  742.549907][T15525]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  742.549911][T15525]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  742.549915][T15525]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  742.549918][T15525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  742.549922][T15525]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  742.549926][T15525]  ? netdev_notice (net/core/dev.c:13194)
[  742.549929][T15525]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  742.549932][T15525]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  742.549936][T15525]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  742.549938][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.549940][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.549942][T15525]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  742.549944][T15525]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  742.549947][T15525]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  742.549949][T15525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  742.549951][T15525]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  742.549954][T15525]  ? register_netdev (net/core/dev.c:11618)
[  742.549957][T15525]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  742.549960][T15525]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  742.549963][T15525]  ? __kernel_text_address (kernel/extable.c:79)
[  742.549967][T15525]  ? write_profile (profile.c:?)
[  742.549971][T15525]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  742.549976][T15525]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  742.549979][T15525]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  742.549981][T15525]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  742.549983][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.549985][T15525]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  742.549990][T15525]  ? kasan_save_stack (mm/kasan/common.c:58)
[  742.549993][T15525]  ? kasan_save_stack (mm/kasan/common.c:57)
[  742.549995][T15525]  ? kasan_save_track (mm/kasan/common.c:78)
[  742.549997][T15525]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  742.549999][T15525]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  742.550001][T15525]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  742.550004][T15525]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  742.550006][T15525]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  742.550009][T15525]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  742.550012][T15525]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  742.550014][T15525]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  742.550018][T15525]  ? ____sys_sendmsg (net/socket.c:2713)
[  742.550020][T15525]  ? ___sys_sendmsg (net/socket.c:2767)
[  742.550022][T15525]  ? __sys_sendmsg (net/socket.c:2799)
[  742.550025][T15525]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  742.550028][T15525]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  742.550032][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.550034][T15525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  742.550036][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.550038][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.550040][T15525]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  742.550042][T15525]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  742.550044][T15525]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  742.550046][T15525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  742.550050][T15525]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  742.550052][T15525]  ? nla_get_range_signed (lib/nlattr.c:270)
[  742.550057][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.550059][T15525]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  742.550063][T15525]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  742.550070][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.550072][T15525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  742.550074][T15525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  742.550077][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.550080][T15525]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  742.550084][T15525]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  742.550086][T15525]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  742.550088][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.550090][T15525]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  742.550095][T15525]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  742.550106][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.550108][T15525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  742.550110][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.550113][T15525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  742.550115][T15525]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  742.550118][T15525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  742.550121][T15525]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  742.550124][T15525]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  742.550128][T15525]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  742.550131][T15525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  742.550133][T15525]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  742.550136][T15525]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  742.550139][T15525]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  742.550143][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.550145][T15525]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  742.550149][T15525]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  742.550152][T15525]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  742.550155][T15525]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  742.550158][T15525]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  742.550162][T15525]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  742.550164][T15525]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  742.550167][T15525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  742.550169][T15525]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  742.550174][T15525]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  742.550177][T15525]  ____sys_sendmsg (net/socket.c:2713)
[  742.550179][T15525]  ? copy_msghdr_from_user (net/socket.c:2650)
[  742.550182][T15525]  ? sock_write_iter (net/socket.c:1269)
[  742.550184][T15525]  ? move_addr_to_kernel (net/socket.c:258)
[  742.550187][T15525]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  742.550191][T15525]  ___sys_sendmsg (net/socket.c:2767)
[  742.550194][T15525]  ? copy_msghdr_from_user (net/socket.c:2619)
[  742.550203][T15525]  __sys_sendmsg (net/socket.c:2799)
[  742.550206][T15525]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  742.550210][T15525]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[  742.550213][T15525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.550216][T15525]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  742.550219][T15525]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  742.550221][T15525]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  742.550224][T15525] RIP: 0033:0x7fe9a944e54e
[  742.550227][T15525] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  742.550230][T15525] RSP: 002b:00007fff6f920d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  742.550234][T15525] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe9a944e54e
[  742.550236][T15525] RDX: 0000000000000000 RSI: 00007fff6f920e00 RDI: 0000000000000005
[  742.550238][T15525] RBP: 00007fff6f920d60 R08: 0000000000000000 R09: 0000000000000000
[  742.550239][T15525] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c94
[  742.550241][T15525] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6f9214c0
| [  744.226169][T15582] softirqs last disabled at (0): 0x0
| [  744.226171][T15582] Preemption disabled at:
| [  744.226172][T15582] vprintk_emit (kernel/printk/printk.c:2471)
| [  744.226186][T15582] Tainted: [W]=WARN
[  744.226187][T15582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  744.226190][T15582] Call Trace:
[  744.226191][T15582]  <TASK>
[  744.226193][T15582]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  744.226200][T15582]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  744.226203][T15582]  __might_resched.cold (kernel/sched/core.c:9234)
[  744.226207][T15582]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  744.226210][T15582]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  744.226214][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226218][T15582]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  744.226221][T15582]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  744.226225][T15582]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  744.226231][T15582]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  744.226234][T15582]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  744.226237][T15582]  put_chars (drivers/char/virtio_console.c:1176)
[  744.226240][T15582]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  744.226243][T15582]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  744.226247][T15582]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  744.226253][T15582]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  744.226256][T15582]  ? vsnprintf (lib/vsprintf.c:2900)
[  744.226260][T15582]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  744.226263][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226265][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226268][T15582]  console_emit_next_record (kernel/printk/printk.c:3183)
[  744.226272][T15582]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  744.226276][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226278][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226279][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226281][T15582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.226284][T15582]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  744.226287][T15582]  console_flush_one_record (kernel/printk/printk.c:3268)
[  744.226291][T15582]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  744.226295][T15582]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  744.226298][T15582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.226301][T15582]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  744.226304][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226306][T15582]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  744.226308][T15582]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  744.226311][T15582]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  744.226313][T15582]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  744.226316][T15582]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  744.226318][T15582]  vprintk_emit (kernel/printk/printk.c:2479)
[  744.226321][T15582]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  744.226323][T15582]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  744.226326][T15582]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  744.226330][T15582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.226332][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226335][T15582]  _printk (kernel/printk/printk.c:2504)
[  744.226339][T15582]  ? snapshot_read.cold (user.c:?)
[  744.226342][T15582]  ? br_multicast_flood (??:?)
[  744.226346][T15582]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  744.226350][T15582]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  744.226352][T15582]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  744.226355][T15582]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  744.226359][T15582]  br_init_port (net/bridge/br_stp_if.c:39)
[  744.226361][T15582]  new_nbp (net/bridge/br_if.c:449)
[  744.226365][T15582]  br_add_if (net/bridge/br_if.c:592)
[  744.226367][T15582]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  744.226373][T15582]  do_set_master (net/core/rtnetlink.c:3071)
[  744.226376][T15582]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  744.226379][T15582]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  744.226381][T15582]  ? __dev_get_by_name (net/core/dev.c:905)
[  744.226384][T15582]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  744.226389][T15582]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  744.226393][T15582]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  744.226397][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226399][T15582]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  744.226401][T15582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.226403][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226406][T15582]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  744.226409][T15582]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  744.226413][T15582]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  744.226416][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226417][T15582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.226420][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226422][T15582]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  744.226424][T15582]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  744.226427][T15582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  744.226429][T15582]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  744.226431][T15582]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  744.226437][T15582]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  744.226440][T15582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  744.226442][T15582]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  744.226445][T15582]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  744.226447][T15582]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  744.226452][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226454][T15582]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  744.226457][T15582]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  744.226460][T15582]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  744.226463][T15582]  ? next_uptodate_folio (mm/filemap.c:3747)
[  744.226468][T15582]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  744.226472][T15582]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  744.226475][T15582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.226478][T15582]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  744.226483][T15582]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  744.226487][T15582]  ____sys_sendmsg (net/socket.c:2713)
[  744.226490][T15582]  ? copy_msghdr_from_user (net/socket.c:2650)
[  744.226492][T15582]  ? sock_write_iter (net/socket.c:1269)
[  744.226495][T15582]  ? move_addr_to_kernel (net/socket.c:258)
[  744.226498][T15582]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  744.226502][T15582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.226505][T15582]  ___sys_sendmsg (net/socket.c:2767)
[  744.226508][T15582]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  744.226510][T15582]  ? copy_msghdr_from_user (net/socket.c:2619)
[  744.226513][T15582]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  744.226520][T15582]  __sys_sendmsg (net/socket.c:2799)
[  744.226524][T15582]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  744.226528][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226530][T15582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.226533][T15582]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  744.226536][T15582]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  744.226539][T15582]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  744.226542][T15582] RIP: 0033:0x7f2e23a8c54e
[  744.226545][T15582] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  744.226548][T15582] RSP: 002b:00007ffe7a0b89c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  744.226552][T15582] RAX: ffffffffffffffda RBX: 00007ffe7a0b9188 RCX: 00007f2e23a8c54e
[  744.226555][T15582] RDX: 0000000000000000 RSI: 00007ffe7a0b8a70 RDI: 0000000000000005
[  744.226557][T15582] RBP: 00007ffe7a0b89d0 R08: 0000000000000000 R09: 0000000000000000
[  744.226558][T15582] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c96
[  744.226560][T15582] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7a0b9140
| [  754.657559][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  754.657563][   T12] Preemption disabled at:
| [  754.657564][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  754.657577][   T12] Tainted: [W]=WARN
[  754.657579][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  754.657582][   T12] Workqueue: netns cleanup_net
[  754.657593][   T12] Call Trace:
[  754.657596][   T12]  <TASK>
[  754.657601][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  754.657612][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  754.657616][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  754.657621][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  754.657624][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  754.657628][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.657632][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  754.657636][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  754.657640][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  754.657646][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  754.657650][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  754.657653][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  754.657656][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  754.657659][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  754.657667][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  754.657679][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  754.657683][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  754.657691][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  754.657694][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.657696][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.657699][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  754.657704][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  754.657707][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.657709][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.657713][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.657718][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.657723][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  754.657729][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  754.657735][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  754.657743][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  754.657746][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.657749][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  754.657752][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.657754][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  754.657757][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  754.657760][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  754.657763][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  754.657765][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  754.657769][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  754.657776][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  754.657778][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  754.657785][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  754.657790][   T12]  ? kthread (kernel/kthread.c:436)
[  754.657797][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  754.657801][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  754.657805][   T12]  _printk (kernel/printk/printk.c:2504)
[  754.657810][   T12]  ? snapshot_read.cold (user.c:?)
[  754.657814][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  754.657818][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  754.657824][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  754.657830][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  754.657838][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.657841][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  754.657846][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  754.657852][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  754.657855][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  754.657858][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  754.657862][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  754.657866][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  754.657872][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  754.657875][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  754.657879][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  754.657884][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  754.657890][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  754.657897][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  754.657903][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  754.657909][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.657914][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.657917][   T12]  process_one_work (kernel/workqueue.c:3387)
[  754.657922][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  754.657927][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  754.657931][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  754.657936][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  754.657943][   T12]  kthread (kernel/kthread.c:436)
[  754.657946][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  754.657952][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  754.657957][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  754.657961][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  754.657968][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  754.657972][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  754.657976][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  755.724846][T15794] softirqs last disabled at (0): 0x0
| [  755.724848][T15794] Preemption disabled at:
| [  755.724849][T15794] vprintk_emit (kernel/printk/printk.c:2471)
| [  755.724859][T15794] Tainted: [W]=WARN
[  755.724860][T15794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  755.724862][T15794] Call Trace:
[  755.724864][T15794]  <TASK>
[  755.724865][T15794]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  755.724871][T15794]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  755.724872][T15794]  __might_resched.cold (kernel/sched/core.c:9234)
[  755.724876][T15794]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  755.724880][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.724883][T15794]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  755.724886][T15794]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  755.724889][T15794]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  755.724894][T15794]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  755.724896][T15794]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  755.724899][T15794]  put_chars (drivers/char/virtio_console.c:1176)
[  755.724901][T15794]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  755.724902][T15794]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  755.724905][T15794]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  755.724907][T15794]  ? pointer (lib/vsprintf.c:2577)
[  755.724910][T15794]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  755.724916][T15794]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  755.724917][T15794]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  755.724919][T15794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.724922][T15794]  console_emit_next_record (kernel/printk/printk.c:3183)
[  755.724925][T15794]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  755.724927][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.724928][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.724929][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.724930][T15794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.724932][T15794]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  755.724934][T15794]  console_flush_one_record (kernel/printk/printk.c:3268)
[  755.724937][T15794]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  755.724940][T15794]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  755.724942][T15794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.724944][T15794]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  755.724945][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.724946][T15794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  755.724948][T15794]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  755.724950][T15794]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  755.724951][T15794]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  755.724953][T15794]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  755.724955][T15794]  vprintk_emit (kernel/printk/printk.c:2479)
[  755.724957][T15794]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  755.724958][T15794]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  755.724961][T15794]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  755.724964][T15794]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  755.724966][T15794]  _printk (kernel/printk/printk.c:2504)
[  755.724970][T15794]  ? snapshot_read.cold (user.c:?)
[  755.724972][T15794]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  755.724974][T15794]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  755.724978][T15794]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  755.724980][T15794]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  755.724983][T15794]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  755.724985][T15794]  ? netdev_notice (net/core/dev.c:13194)
[  755.724987][T15794]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  755.724989][T15794]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  755.724992][T15794]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  755.724994][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.724995][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.724996][T15794]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  755.724997][T15794]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  755.724999][T15794]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  755.725000][T15794]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  755.725002][T15794]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  755.725003][T15794]  ? register_netdev (net/core/dev.c:11618)
[  755.725005][T15794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  755.725007][T15794]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  755.725010][T15794]  ? __kernel_text_address (kernel/extable.c:79)
[  755.725012][T15794]  ? write_profile (profile.c:?)
[  755.725015][T15794]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  755.725019][T15794]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  755.725021][T15794]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  755.725023][T15794]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  755.725024][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.725025][T15794]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  755.725029][T15794]  ? kasan_save_stack (mm/kasan/common.c:58)
[  755.725031][T15794]  ? kasan_save_stack (mm/kasan/common.c:57)
[  755.725032][T15794]  ? kasan_save_track (mm/kasan/common.c:78)
[  755.725033][T15794]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  755.725034][T15794]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  755.725035][T15794]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  755.725037][T15794]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  755.725039][T15794]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  755.725043][T15794]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  755.725046][T15794]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  755.725048][T15794]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  755.725051][T15794]  ? ____sys_sendmsg (net/socket.c:2713)
[  755.725053][T15794]  ? ___sys_sendmsg (net/socket.c:2767)
[  755.725054][T15794]  ? __sys_sendmsg (net/socket.c:2799)
[  755.725056][T15794]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  755.725059][T15794]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  755.725062][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.725063][T15794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.725064][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.725069][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.725071][T15794]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  755.725073][T15794]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  755.725074][T15794]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  755.725075][T15794]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  755.725077][T15794]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  755.725078][T15794]  ? nla_get_range_signed (lib/nlattr.c:270)
[  755.725082][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.725084][T15794]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  755.725086][T15794]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  755.725088][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.725089][T15794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  755.725091][T15794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.725092][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.725094][T15794]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  755.725096][T15794]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  755.725098][T15794]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  755.725099][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.725101][T15794]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  755.725104][T15794]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  755.725107][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.725108][T15794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.725110][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.725111][T15794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  755.725112][T15794]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  755.725114][T15794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  755.725115][T15794]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  755.725117][T15794]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  755.725119][T15794]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  755.725121][T15794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  755.725123][T15794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  755.725124][T15794]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  755.725126][T15794]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  755.725129][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.725130][T15794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  755.725132][T15794]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  755.725135][T15794]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  755.725136][T15794]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  755.725138][T15794]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  755.725141][T15794]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  755.725142][T15794]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  755.725144][T15794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.725146][T15794]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  755.725149][T15794]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  755.725151][T15794]  ____sys_sendmsg (net/socket.c:2713)
[  755.725153][T15794]  ? copy_msghdr_from_user (net/socket.c:2650)
[  755.725155][T15794]  ? sock_write_iter (net/socket.c:1269)
[  755.725156][T15794]  ? move_addr_to_kernel (net/socket.c:258)
[  755.725158][T15794]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  755.725161][T15794]  ___sys_sendmsg (net/socket.c:2767)
[  755.725163][T15794]  ? copy_msghdr_from_user (net/socket.c:2619)
[  755.725168][T15794]  __sys_sendmsg (net/socket.c:2799)
[  755.725170][T15794]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  755.725173][T15794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.725174][T15794]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  755.725183][T15794]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  755.725185][T15794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  755.725187][T15794] RIP: 0033:0x7fd36354f54e
[  755.725189][T15794] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  755.725191][T15794] RSP: 002b:00007ffc70b75620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  755.725194][T15794] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd36354f54e
[  755.725196][T15794] RDX: 0000000000000000 RSI: 00007ffc70b756d0 RDI: 0000000000000005
[  755.725197][T15794] RBP: 00007ffc70b75630 R08: 0000000000000000 R09: 0000000000000000
[  755.725198][T15794] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ca2
[  755.725199][T15794] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc70b75d90
| [  757.404733][T15868] softirqs last disabled at (0): 0x0
| [  757.404736][T15868] Preemption disabled at:
| [  757.404737][T15868] vprintk_emit (kernel/printk/printk.c:2471)
| [  757.404751][T15868] Tainted: [W]=WARN
[  757.404753][T15868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  757.404755][T15868] Call Trace:
[  757.404757][T15868]  <TASK>
[  757.404759][T15868]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  757.404766][T15868]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  757.404768][T15868]  __might_resched.cold (kernel/sched/core.c:9234)
[  757.404774][T15868]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  757.404777][T15868]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  757.404781][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.404785][T15868]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  757.404789][T15868]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  757.404792][T15868]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  757.404799][T15868]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  757.404801][T15868]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  757.404805][T15868]  put_chars (drivers/char/virtio_console.c:1176)
[  757.404808][T15868]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  757.404811][T15868]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  757.404815][T15868]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  757.404821][T15868]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  757.404824][T15868]  ? vsnprintf (lib/vsprintf.c:2900)
[  757.404828][T15868]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  757.404831][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.404833][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.404836][T15868]  console_emit_next_record (kernel/printk/printk.c:3183)
[  757.404840][T15868]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  757.404843][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.404845][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.404847][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.404849][T15868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.404853][T15868]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  757.404856][T15868]  console_flush_one_record (kernel/printk/printk.c:3268)
[  757.404860][T15868]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  757.404864][T15868]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  757.404867][T15868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.404870][T15868]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  757.404873][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.404875][T15868]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  757.404877][T15868]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  757.404880][T15868]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  757.404883][T15868]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  757.404886][T15868]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  757.404889][T15868]  vprintk_emit (kernel/printk/printk.c:2479)
[  757.404892][T15868]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  757.404894][T15868]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  757.404897][T15868]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  757.404901][T15868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.404904][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.404907][T15868]  _printk (kernel/printk/printk.c:2504)
[  757.404911][T15868]  ? snapshot_read.cold (user.c:?)
[  757.404914][T15868]  ? br_multicast_flood (??:?)
[  757.404919][T15868]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  757.404923][T15868]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  757.404925][T15868]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  757.404928][T15868]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  757.404933][T15868]  br_init_port (net/bridge/br_stp_if.c:39)
[  757.404936][T15868]  new_nbp (net/bridge/br_if.c:449)
[  757.404939][T15868]  br_add_if (net/bridge/br_if.c:592)
[  757.404942][T15868]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  757.404948][T15868]  do_set_master (net/core/rtnetlink.c:3071)
[  757.404952][T15868]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  757.404955][T15868]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  757.404958][T15868]  ? __dev_get_by_name (net/core/dev.c:905)
[  757.404960][T15868]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  757.404966][T15868]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  757.404970][T15868]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  757.404973][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.404976][T15868]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  757.404978][T15868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.404980][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.404982][T15868]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  757.404986][T15868]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  757.404989][T15868]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  757.404992][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.404994][T15868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.404996][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.404998][T15868]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  757.405000][T15868]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  757.405004][T15868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  757.405006][T15868]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  757.405008][T15868]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  757.405014][T15868]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  757.405017][T15868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  757.405020][T15868]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  757.405022][T15868]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  757.405025][T15868]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  757.405029][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.405031][T15868]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  757.405034][T15868]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  757.405037][T15868]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  757.405041][T15868]  ? next_uptodate_folio (mm/filemap.c:3747)
[  757.405045][T15868]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  757.405048][T15868]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  757.405052][T15868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.405054][T15868]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  757.405058][T15868]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  757.405063][T15868]  ____sys_sendmsg (net/socket.c:2713)
[  757.405065][T15868]  ? copy_msghdr_from_user (net/socket.c:2650)
[  757.405071][T15868]  ? sock_write_iter (net/socket.c:1269)
[  757.405073][T15868]  ? move_addr_to_kernel (net/socket.c:258)
[  757.405077][T15868]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  757.405081][T15868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.405084][T15868]  ___sys_sendmsg (net/socket.c:2767)
[  757.405087][T15868]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  757.405090][T15868]  ? copy_msghdr_from_user (net/socket.c:2619)
[  757.405092][T15868]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  757.405100][T15868]  __sys_sendmsg (net/socket.c:2799)
[  757.405103][T15868]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  757.405107][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.405109][T15868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.405112][T15868]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  757.405115][T15868]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  757.405118][T15868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  757.405121][T15868] RIP: 0033:0x7f218278d54e
[  757.405124][T15868] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  757.405127][T15868] RSP: 002b:00007ffcf1517e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  757.405132][T15868] RAX: ffffffffffffffda RBX: 00007ffcf15185c8 RCX: 00007f218278d54e
[  757.405134][T15868] RDX: 0000000000000000 RSI: 00007ffcf1517eb0 RDI: 0000000000000005
[  757.405136][T15868] RBP: 00007ffcf1517e10 R08: 0000000000000000 R09: 0000000000000000
[  757.405138][T15868] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ca3
[  757.405139][T15868] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf1518580
| [  758.442137][T15906] softirqs last disabled at (0): 0x0
| [  758.442140][T15906] Preemption disabled at:
| [  758.442141][T15906] vprintk_emit (kernel/printk/printk.c:2471)
| [  758.442154][T15906] Tainted: [W]=WARN
[  758.442155][T15906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  758.442158][T15906] Call Trace:
[  758.442160][T15906]  <TASK>
[  758.442162][T15906]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  758.442169][T15906]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  758.442172][T15906]  __might_resched.cold (kernel/sched/core.c:9234)
[  758.442177][T15906]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  758.442181][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442185][T15906]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  758.442189][T15906]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  758.442198][T15906]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  758.442204][T15906]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  758.442207][T15906]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  758.442211][T15906]  put_chars (drivers/char/virtio_console.c:1176)
[  758.442214][T15906]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  758.442216][T15906]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  758.442219][T15906]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  758.442222][T15906]  ? pointer (lib/vsprintf.c:2577)
[  758.442227][T15906]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  758.442233][T15906]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  758.442236][T15906]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  758.442239][T15906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.442243][T15906]  console_emit_next_record (kernel/printk/printk.c:3183)
[  758.442247][T15906]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  758.442251][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442253][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442255][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442256][T15906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.442259][T15906]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  758.442262][T15906]  console_flush_one_record (kernel/printk/printk.c:3268)
[  758.442266][T15906]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  758.442270][T15906]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  758.442272][T15906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.442275][T15906]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  758.442277][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442279][T15906]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  758.442282][T15906]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  758.442284][T15906]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  758.442287][T15906]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  758.442290][T15906]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  758.442292][T15906]  vprintk_emit (kernel/printk/printk.c:2479)
[  758.442295][T15906]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  758.442298][T15906]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  758.442304][T15906]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  758.442308][T15906]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  758.442312][T15906]  _printk (kernel/printk/printk.c:2504)
[  758.442316][T15906]  ? snapshot_read.cold (user.c:?)
[  758.442320][T15906]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  758.442323][T15906]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  758.442327][T15906]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  758.442330][T15906]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  758.442335][T15906]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  758.442338][T15906]  ? netdev_notice (net/core/dev.c:13194)
[  758.442342][T15906]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  758.442345][T15906]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  758.442348][T15906]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  758.442351][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442353][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442355][T15906]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  758.442358][T15906]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  758.442361][T15906]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  758.442363][T15906]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  758.442365][T15906]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  758.442368][T15906]  ? register_netdev (net/core/dev.c:11618)
[  758.442370][T15906]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  758.442373][T15906]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  758.442377][T15906]  ? __kernel_text_address (kernel/extable.c:79)
[  758.442380][T15906]  ? write_profile (profile.c:?)
[  758.442384][T15906]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  758.442389][T15906]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  758.442392][T15906]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  758.442395][T15906]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  758.442397][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442399][T15906]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  758.442403][T15906]  ? kasan_save_stack (mm/kasan/common.c:58)
[  758.442406][T15906]  ? kasan_save_stack (mm/kasan/common.c:57)
[  758.442408][T15906]  ? kasan_save_track (mm/kasan/common.c:78)
[  758.442410][T15906]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  758.442412][T15906]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  758.442414][T15906]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  758.442416][T15906]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  758.442419][T15906]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  758.442423][T15906]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  758.442425][T15906]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  758.442428][T15906]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  758.442432][T15906]  ? ____sys_sendmsg (net/socket.c:2713)
[  758.442434][T15906]  ? ___sys_sendmsg (net/socket.c:2767)
[  758.442437][T15906]  ? __sys_sendmsg (net/socket.c:2799)
[  758.442440][T15906]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  758.442443][T15906]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  758.442448][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442450][T15906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.442452][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442454][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442457][T15906]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  758.442459][T15906]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  758.442462][T15906]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  758.442464][T15906]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  758.442467][T15906]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  758.442469][T15906]  ? nla_get_range_signed (lib/nlattr.c:270)
[  758.442474][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442477][T15906]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  758.442480][T15906]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  758.442484][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442486][T15906]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  758.442488][T15906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.442491][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442493][T15906]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  758.442497][T15906]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  758.442499][T15906]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  758.442501][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442503][T15906]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  758.442508][T15906]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  758.442511][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442513][T15906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.442515][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442517][T15906]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  758.442519][T15906]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  758.442522][T15906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  758.442525][T15906]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  758.442527][T15906]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  758.442532][T15906]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  758.442534][T15906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  758.442537][T15906]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  758.442540][T15906]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  758.442542][T15906]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  758.442547][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442549][T15906]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  758.442553][T15906]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  758.442556][T15906]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  758.442559][T15906]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  758.442563][T15906]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  758.442566][T15906]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  758.442568][T15906]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  758.442571][T15906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.442574][T15906]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  758.442578][T15906]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  758.442581][T15906]  ____sys_sendmsg (net/socket.c:2713)
[  758.442584][T15906]  ? copy_msghdr_from_user (net/socket.c:2650)
[  758.442586][T15906]  ? sock_write_iter (net/socket.c:1269)
[  758.442589][T15906]  ? move_addr_to_kernel (net/socket.c:258)
[  758.442591][T15906]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  758.442595][T15906]  ___sys_sendmsg (net/socket.c:2767)
[  758.442598][T15906]  ? copy_msghdr_from_user (net/socket.c:2619)
[  758.442606][T15906]  __sys_sendmsg (net/socket.c:2799)
[  758.442610][T15906]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  758.442614][T15906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.442617][T15906]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  758.442620][T15906]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  758.442623][T15906]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  758.442625][T15906] RIP: 0033:0x7fe1bd77654e
[  758.442628][T15906] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  758.442631][T15906] RSP: 002b:00007ffd468797f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  758.442635][T15906] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe1bd77654e
[  758.442638][T15906] RDX: 0000000000000000 RSI: 00007ffd468798a0 RDI: 0000000000000005
[  758.442639][T15906] RBP: 00007ffd46879800 R08: 0000000000000000 R09: 0000000000000000
[  758.442641][T15906] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ca4
[  758.442642][T15906] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd46879f60
| [  760.083823][T15964] softirqs last disabled at (0): 0x0
| [  760.083825][T15964] Preemption disabled at:
| [  760.083826][T15964] vprintk_emit (kernel/printk/printk.c:2471)
| [  760.083837][T15964] Tainted: [W]=WARN
[  760.083839][T15964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  760.083840][T15964] Call Trace:
[  760.083842][T15964]  <TASK>
[  760.083843][T15964]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  760.083849][T15964]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  760.083851][T15964]  __might_resched.cold (kernel/sched/core.c:9234)
[  760.083855][T15964]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  760.083857][T15964]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  760.083861][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.083863][T15964]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  760.083867][T15964]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  760.083870][T15964]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  760.083875][T15964]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  760.083877][T15964]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  760.083880][T15964]  put_chars (drivers/char/virtio_console.c:1176)
[  760.083882][T15964]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  760.083883][T15964]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  760.083886][T15964]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  760.083891][T15964]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  760.083893][T15964]  ? vsnprintf (lib/vsprintf.c:2900)
[  760.083896][T15964]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  760.083898][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.083899][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.083901][T15964]  console_emit_next_record (kernel/printk/printk.c:3183)
[  760.083904][T15964]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  760.083906][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.083907][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.083908][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.083909][T15964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  760.083912][T15964]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  760.083914][T15964]  console_flush_one_record (kernel/printk/printk.c:3268)
[  760.083916][T15964]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  760.083919][T15964]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  760.083921][T15964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  760.083923][T15964]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  760.083925][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.083926][T15964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  760.083928][T15964]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  760.083929][T15964]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  760.083931][T15964]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  760.083933][T15964]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  760.083935][T15964]  vprintk_emit (kernel/printk/printk.c:2479)
[  760.083937][T15964]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  760.083938][T15964]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  760.083940][T15964]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  760.083943][T15964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  760.083944][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.083946][T15964]  _printk (kernel/printk/printk.c:2504)
[  760.083949][T15964]  ? snapshot_read.cold (user.c:?)
[  760.083951][T15964]  ? br_multicast_flood (??:?)
[  760.083955][T15964]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  760.083958][T15964]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  760.083959][T15964]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  760.083961][T15964]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  760.083964][T15964]  br_init_port (net/bridge/br_stp_if.c:39)
[  760.083966][T15964]  new_nbp (net/bridge/br_if.c:449)
[  760.083968][T15964]  br_add_if (net/bridge/br_if.c:592)
[  760.083970][T15964]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  760.083974][T15964]  do_set_master (net/core/rtnetlink.c:3071)
[  760.083976][T15964]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  760.083978][T15964]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  760.083980][T15964]  ? __dev_get_by_name (net/core/dev.c:905)
[  760.083982][T15964]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  760.083985][T15964]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  760.083988][T15964]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  760.083990][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.083992][T15964]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  760.083993][T15964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  760.083994][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.083996][T15964]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  760.083999][T15964]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  760.084001][T15964]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  760.084003][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.084004][T15964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  760.084006][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.084007][T15964]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  760.084009][T15964]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  760.084011][T15964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  760.084012][T15964]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  760.084014][T15964]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  760.084018][T15964]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  760.084021][T15964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  760.084022][T15964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  760.084024][T15964]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  760.084026][T15964]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  760.084029][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.084030][T15964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  760.084032][T15964]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  760.084035][T15964]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  760.084037][T15964]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  760.084041][T15964]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  760.084046][T15964]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  760.084049][T15964]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  760.084052][T15964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  760.084055][T15964]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  760.084060][T15964]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  760.084064][T15964]  ____sys_sendmsg (net/socket.c:2713)
[  760.084066][T15964]  ? copy_msghdr_from_user (net/socket.c:2650)
[  760.084071][T15964]  ? sock_write_iter (net/socket.c:1269)
[  760.084074][T15964]  ? move_addr_to_kernel (net/socket.c:258)
[  760.084078][T15964]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  760.084082][T15964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  760.084085][T15964]  ___sys_sendmsg (net/socket.c:2767)
[  760.084088][T15964]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  760.084090][T15964]  ? copy_msghdr_from_user (net/socket.c:2619)
[  760.084093][T15964]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  760.084101][T15964]  __sys_sendmsg (net/socket.c:2799)
[  760.084103][T15964]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  760.084106][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.084107][T15964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  760.084109][T15964]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  760.084111][T15964]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  760.084113][T15964]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  760.084116][T15964] RIP: 0033:0x7f8eec59e54e
[  760.084118][T15964] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  760.084120][T15964] RSP: 002b:00007fff6302e4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  760.084124][T15964] RAX: ffffffffffffffda RBX: 00007fff6302eca8 RCX: 00007f8eec59e54e
[  760.084126][T15964] RDX: 0000000000000000 RSI: 00007fff6302e590 RDI: 0000000000000005
[  760.084127][T15964] RBP: 00007fff6302e4f0 R08: 0000000000000000 R09: 0000000000000000
[  760.084128][T15964] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ca6
[  760.084129][T15964] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6302ec60
| [  766.983973][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  766.983977][   T12] Preemption disabled at:
| [  766.983978][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  766.983990][   T12] Tainted: [W]=WARN
[  766.983991][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  766.983994][   T12] Workqueue: netns cleanup_net
[  766.984002][   T12] Call Trace:
[  766.984004][   T12]  <TASK>
[  766.984006][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  766.984014][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  766.984016][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  766.984020][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  766.984023][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  766.984027][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.984030][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  766.984034][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  766.984037][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  766.984043][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  766.984046][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  766.984050][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  766.984053][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  766.984056][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  766.984060][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  766.984070][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  766.984073][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  766.984078][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  766.984081][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.984084][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.984088][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  766.984092][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  766.984095][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.984097][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.984099][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.984101][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.984105][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  766.984107][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  766.984111][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  766.984115][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  766.984118][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.984121][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  766.984124][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.984126][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  766.984128][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  766.984131][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  766.984134][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  766.984137][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  766.984139][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  766.984142][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  766.984144][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  766.984146][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  766.984150][   T12]  ? kthread (kernel/kthread.c:436)
[  766.984153][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  766.984156][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  766.984160][   T12]  _printk (kernel/printk/printk.c:2504)
[  766.984164][   T12]  ? snapshot_read.cold (user.c:?)
[  766.984168][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  766.984172][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  766.984175][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  766.984178][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  766.984182][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.984184][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  766.984186][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  766.984190][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  766.984193][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  766.984195][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  766.984200][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  766.984203][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  766.984209][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  766.984213][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  766.984216][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  766.984220][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  766.984223][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  766.984227][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  766.984230][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  766.984233][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.984235][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.984238][   T12]  process_one_work (kernel/workqueue.c:3387)
[  766.984243][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  766.984253][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  766.984257][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  766.984261][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  766.984265][   T12]  kthread (kernel/kthread.c:436)
[  766.984267][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  766.984270][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  766.984274][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  766.984277][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  766.984280][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  766.984284][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  766.984287][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  768.085244][T16072] softirqs last disabled at (0): 0x0
| [  768.085247][T16072] Preemption disabled at:
| [  768.085248][T16072] vprintk_emit (kernel/printk/printk.c:2471)
| [  768.085266][T16072] Tainted: [W]=WARN
[  768.085267][T16072] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  768.085270][T16072] Call Trace:
[  768.085271][T16072]  <TASK>
[  768.085273][T16072]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  768.085280][T16072]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  768.085282][T16072]  __might_resched.cold (kernel/sched/core.c:9234)
[  768.085288][T16072]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  768.085292][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085297][T16072]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  768.085302][T16072]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  768.085306][T16072]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  768.085313][T16072]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  768.085315][T16072]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  768.085319][T16072]  put_chars (drivers/char/virtio_console.c:1176)
[  768.085321][T16072]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  768.085323][T16072]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  768.085327][T16072]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  768.085330][T16072]  ? pointer (lib/vsprintf.c:2577)
[  768.085335][T16072]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  768.085341][T16072]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  768.085344][T16072]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  768.085347][T16072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.085350][T16072]  console_emit_next_record (kernel/printk/printk.c:3183)
[  768.085355][T16072]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  768.085358][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085360][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085362][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085364][T16072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.085368][T16072]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  768.085371][T16072]  console_flush_one_record (kernel/printk/printk.c:3268)
[  768.085375][T16072]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  768.085379][T16072]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  768.085382][T16072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.085384][T16072]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  768.085387][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085389][T16072]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.085391][T16072]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  768.085393][T16072]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  768.085396][T16072]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  768.085399][T16072]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  768.085401][T16072]  vprintk_emit (kernel/printk/printk.c:2479)
[  768.085404][T16072]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  768.085406][T16072]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  768.085409][T16072]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  768.085414][T16072]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  768.085417][T16072]  _printk (kernel/printk/printk.c:2504)
[  768.085421][T16072]  ? snapshot_read.cold (user.c:?)
[  768.085424][T16072]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  768.085427][T16072]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  768.085432][T16072]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  768.085435][T16072]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  768.085439][T16072]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  768.085443][T16072]  ? netdev_notice (net/core/dev.c:13194)
[  768.085446][T16072]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  768.085449][T16072]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  768.085452][T16072]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  768.085455][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085456][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085459][T16072]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  768.085461][T16072]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  768.085463][T16072]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  768.085466][T16072]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  768.085468][T16072]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  768.085471][T16072]  ? register_netdev (net/core/dev.c:11618)
[  768.085473][T16072]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.085476][T16072]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  768.085479][T16072]  ? __kernel_text_address (kernel/extable.c:79)
[  768.085483][T16072]  ? write_profile (profile.c:?)
[  768.085487][T16072]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  768.085492][T16072]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  768.085495][T16072]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  768.085497][T16072]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  768.085499][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085501][T16072]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  768.085506][T16072]  ? kasan_save_stack (mm/kasan/common.c:58)
[  768.085509][T16072]  ? kasan_save_stack (mm/kasan/common.c:57)
[  768.085511][T16072]  ? kasan_save_track (mm/kasan/common.c:78)
[  768.085513][T16072]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  768.085515][T16072]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  768.085517][T16072]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  768.085520][T16072]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  768.085522][T16072]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  768.085526][T16072]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  768.085528][T16072]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  768.085531][T16072]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  768.085534][T16072]  ? ____sys_sendmsg (net/socket.c:2713)
[  768.085536][T16072]  ? ___sys_sendmsg (net/socket.c:2767)
[  768.085538][T16072]  ? __sys_sendmsg (net/socket.c:2799)
[  768.085541][T16072]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  768.085544][T16072]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  768.085548][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085550][T16072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.085552][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085554][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085556][T16072]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  768.085558][T16072]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  768.085560][T16072]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  768.085563][T16072]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  768.085565][T16072]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  768.085567][T16072]  ? nla_get_range_signed (lib/nlattr.c:270)
[  768.085572][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085574][T16072]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  768.085578][T16072]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  768.085582][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085584][T16072]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  768.085586][T16072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.085589][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085592][T16072]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  768.085595][T16072]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  768.085597][T16072]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  768.085600][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085602][T16072]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  768.085606][T16072]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  768.085609][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085611][T16072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.085613][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085615][T16072]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  768.085618][T16072]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  768.085620][T16072]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  768.085623][T16072]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  768.085625][T16072]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  768.085629][T16072]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  768.085631][T16072]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  768.085633][T16072]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.085636][T16072]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  768.085638][T16072]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  768.085642][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085644][T16072]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.085648][T16072]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  768.085652][T16072]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  768.085655][T16072]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  768.085658][T16072]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  768.085662][T16072]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  768.085664][T16072]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  768.085668][T16072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.085670][T16072]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  768.085675][T16072]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  768.085678][T16072]  ____sys_sendmsg (net/socket.c:2713)
[  768.085680][T16072]  ? copy_msghdr_from_user (net/socket.c:2650)
[  768.085683][T16072]  ? sock_write_iter (net/socket.c:1269)
[  768.085685][T16072]  ? move_addr_to_kernel (net/socket.c:258)
[  768.085687][T16072]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  768.085692][T16072]  ___sys_sendmsg (net/socket.c:2767)
[  768.085694][T16072]  ? copy_msghdr_from_user (net/socket.c:2619)
[  768.085703][T16072]  __sys_sendmsg (net/socket.c:2799)
[  768.085705][T16072]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  768.085710][T16072]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[  768.085713][T16072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.085715][T16072]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  768.085718][T16072]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  768.085721][T16072]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  768.085724][T16072] RIP: 0033:0x7f64c812354e
[  768.085726][T16072] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  768.085729][T16072] RSP: 002b:00007ffcf5a70620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  768.085734][T16072] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f64c812354e
[  768.085736][T16072] RDX: 0000000000000000 RSI: 00007ffcf5a706d0 RDI: 0000000000000005
[  768.085738][T16072] RBP: 00007ffcf5a70630 R08: 0000000000000000 R09: 0000000000000000
[  768.085740][T16072] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cae
[  768.085742][T16072] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf5a70d90
| [  769.815623][T16146] softirqs last disabled at (0): 0x0
| [  769.815629][T16146] Preemption disabled at:
| [  769.815631][T16146] vprintk_emit (kernel/printk/printk.c:2471)
| [  769.815645][T16146] Tainted: [W]=WARN
[  769.815647][T16146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  769.815650][T16146] Call Trace:
[  769.815653][T16146]  <TASK>
[  769.815657][T16146]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  769.815669][T16146]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  769.815673][T16146]  __might_resched.cold (kernel/sched/core.c:9234)
[  769.815682][T16146]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  769.815686][T16146]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  769.815691][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815695][T16146]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  769.815699][T16146]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  769.815703][T16146]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  769.815710][T16146]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  769.815715][T16146]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  769.815721][T16146]  put_chars (drivers/char/virtio_console.c:1176)
[  769.815729][T16146]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  769.815733][T16146]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  769.815742][T16146]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  769.815749][T16146]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  769.815752][T16146]  ? vsnprintf (lib/vsprintf.c:2900)
[  769.815756][T16146]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  769.815759][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815761][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815765][T16146]  console_emit_next_record (kernel/printk/printk.c:3183)
[  769.815769][T16146]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  769.815772][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815774][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815776][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815778][T16146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.815781][T16146]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  769.815784][T16146]  console_flush_one_record (kernel/printk/printk.c:3268)
[  769.815788][T16146]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  769.815793][T16146]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  769.815796][T16146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.815798][T16146]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  769.815801][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815803][T16146]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  769.815805][T16146]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  769.815808][T16146]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  769.815810][T16146]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  769.815813][T16146]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  769.815815][T16146]  vprintk_emit (kernel/printk/printk.c:2479)
[  769.815818][T16146]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  769.815820][T16146]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  769.815823][T16146]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  769.815826][T16146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.815829][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815831][T16146]  _printk (kernel/printk/printk.c:2504)
[  769.815835][T16146]  ? snapshot_read.cold (user.c:?)
[  769.815838][T16146]  ? br_multicast_flood (??:?)
[  769.815843][T16146]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  769.815847][T16146]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  769.815849][T16146]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  769.815852][T16146]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  769.815857][T16146]  br_init_port (net/bridge/br_stp_if.c:39)
[  769.815860][T16146]  new_nbp (net/bridge/br_if.c:449)
[  769.815863][T16146]  br_add_if (net/bridge/br_if.c:592)
[  769.815866][T16146]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  769.815872][T16146]  do_set_master (net/core/rtnetlink.c:3071)
[  769.815875][T16146]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  769.815878][T16146]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  769.815880][T16146]  ? __dev_get_by_name (net/core/dev.c:905)
[  769.815882][T16146]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  769.815888][T16146]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  769.815892][T16146]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  769.815895][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815898][T16146]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  769.815899][T16146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.815902][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815904][T16146]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  769.815908][T16146]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  769.815911][T16146]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  769.815915][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815917][T16146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.815919][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815922][T16146]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  769.815925][T16146]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  769.815928][T16146]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  769.815930][T16146]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  769.815932][T16146]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  769.815938][T16146]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  769.815942][T16146]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  769.815944][T16146]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  769.815946][T16146]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  769.815949][T16146]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  769.815953][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.815955][T16146]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  769.815958][T16146]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  769.815961][T16146]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  769.815965][T16146]  ? next_uptodate_folio (mm/filemap.c:3747)
[  769.815973][T16146]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  769.815980][T16146]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  769.815985][T16146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.815992][T16146]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  769.815998][T16146]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  769.816003][T16146]  ____sys_sendmsg (net/socket.c:2713)
[  769.816006][T16146]  ? copy_msghdr_from_user (net/socket.c:2650)
[  769.816009][T16146]  ? sock_write_iter (net/socket.c:1269)
[  769.816011][T16146]  ? move_addr_to_kernel (net/socket.c:258)
[  769.816015][T16146]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  769.816018][T16146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.816022][T16146]  ___sys_sendmsg (net/socket.c:2767)
[  769.816024][T16146]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  769.816027][T16146]  ? copy_msghdr_from_user (net/socket.c:2619)
[  769.816030][T16146]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  769.816037][T16146]  __sys_sendmsg (net/socket.c:2799)
[  769.816041][T16146]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  769.816045][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.816047][T16146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.816050][T16146]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  769.816054][T16146]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  769.816057][T16146]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  769.816061][T16146] RIP: 0033:0x7f620636754e
[  769.816069][T16146] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  769.816072][T16146] RSP: 002b:00007ffd1a5b5970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  769.816077][T16146] RAX: ffffffffffffffda RBX: 00007ffd1a5b6138 RCX: 00007f620636754e
[  769.816081][T16146] RDX: 0000000000000000 RSI: 00007ffd1a5b5a20 RDI: 0000000000000005
[  769.816083][T16146] RBP: 00007ffd1a5b5980 R08: 0000000000000000 R09: 0000000000000000
[  769.816085][T16146] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cb0
[  769.816086][T16146] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1a5b60f0
| [  770.864279][T16183] softirqs last disabled at (0): 0x0
| [  770.864281][T16183] Preemption disabled at:
| [  770.864282][T16183] vprintk_emit (kernel/printk/printk.c:2471)
| [  770.864292][T16183] Tainted: [W]=WARN
[  770.864293][T16183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  770.864295][T16183] Call Trace:
[  770.864297][T16183]  <TASK>
[  770.864298][T16183]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  770.864305][T16183]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  770.864307][T16183]  __might_resched.cold (kernel/sched/core.c:9234)
[  770.864311][T16183]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  770.864315][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864317][T16183]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  770.864321][T16183]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  770.864324][T16183]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  770.864329][T16183]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  770.864331][T16183]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  770.864334][T16183]  put_chars (drivers/char/virtio_console.c:1176)
[  770.864336][T16183]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  770.864337][T16183]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  770.864339][T16183]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  770.864341][T16183]  ? pointer (lib/vsprintf.c:2577)
[  770.864345][T16183]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  770.864350][T16183]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  770.864352][T16183]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  770.864354][T16183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.864356][T16183]  console_emit_next_record (kernel/printk/printk.c:3183)
[  770.864359][T16183]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  770.864361][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864363][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864364][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864365][T16183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.864367][T16183]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  770.864369][T16183]  console_flush_one_record (kernel/printk/printk.c:3268)
[  770.864371][T16183]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  770.864374][T16183]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  770.864376][T16183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.864378][T16183]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  770.864379][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864380][T16183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  770.864382][T16183]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  770.864384][T16183]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  770.864385][T16183]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  770.864387][T16183]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  770.864389][T16183]  vprintk_emit (kernel/printk/printk.c:2479)
[  770.864391][T16183]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  770.864392][T16183]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  770.864395][T16183]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  770.864398][T16183]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  770.864401][T16183]  _printk (kernel/printk/printk.c:2504)
[  770.864404][T16183]  ? snapshot_read.cold (user.c:?)
[  770.864406][T16183]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  770.864408][T16183]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  770.864412][T16183]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  770.864414][T16183]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  770.864417][T16183]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  770.864419][T16183]  ? netdev_notice (net/core/dev.c:13194)
[  770.864421][T16183]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  770.864423][T16183]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  770.864426][T16183]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  770.864428][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864429][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864430][T16183]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  770.864432][T16183]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  770.864433][T16183]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  770.864435][T16183]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  770.864436][T16183]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  770.864438][T16183]  ? register_netdev (net/core/dev.c:11618)
[  770.864439][T16183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  770.864441][T16183]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  770.864444][T16183]  ? __kernel_text_address (kernel/extable.c:79)
[  770.864447][T16183]  ? write_profile (profile.c:?)
[  770.864450][T16183]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  770.864454][T16183]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  770.864456][T16183]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  770.864457][T16183]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  770.864459][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864460][T16183]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  770.864463][T16183]  ? kasan_save_stack (mm/kasan/common.c:58)
[  770.864465][T16183]  ? kasan_save_stack (mm/kasan/common.c:57)
[  770.864466][T16183]  ? kasan_save_track (mm/kasan/common.c:78)
[  770.864467][T16183]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  770.864469][T16183]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  770.864470][T16183]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  770.864471][T16183]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  770.864472][T16183]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  770.864475][T16183]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  770.864477][T16183]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  770.864479][T16183]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  770.864481][T16183]  ? ____sys_sendmsg (net/socket.c:2713)
[  770.864483][T16183]  ? ___sys_sendmsg (net/socket.c:2767)
[  770.864484][T16183]  ? __sys_sendmsg (net/socket.c:2799)
[  770.864486][T16183]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  770.864489][T16183]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  770.864491][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864493][T16183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.864494][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864495][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864496][T16183]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  770.864498][T16183]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  770.864499][T16183]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  770.864501][T16183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  770.864502][T16183]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  770.864504][T16183]  ? nla_get_range_signed (lib/nlattr.c:270)
[  770.864507][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864508][T16183]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  770.864511][T16183]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  770.864513][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864514][T16183]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  770.864515][T16183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.864517][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864518][T16183]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  770.864521][T16183]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  770.864522][T16183]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  770.864524][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864525][T16183]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  770.864529][T16183]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  770.864531][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864533][T16183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.864534][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864536][T16183]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  770.864537][T16183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  770.864539][T16183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  770.864540][T16183]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  770.864542][T16183]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  770.864544][T16183]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  770.864546][T16183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  770.864547][T16183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  770.864549][T16183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  770.864551][T16183]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  770.864554][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864555][T16183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  770.864557][T16183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  770.864560][T16183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  770.864561][T16183]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  770.864563][T16183]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  770.864566][T16183]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  770.864567][T16183]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  770.864569][T16183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.864571][T16183]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  770.864574][T16183]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  770.864576][T16183]  ____sys_sendmsg (net/socket.c:2713)
[  770.864578][T16183]  ? copy_msghdr_from_user (net/socket.c:2650)
[  770.864579][T16183]  ? sock_write_iter (net/socket.c:1269)
[  770.864581][T16183]  ? move_addr_to_kernel (net/socket.c:258)
[  770.864583][T16183]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  770.864585][T16183]  ___sys_sendmsg (net/socket.c:2767)
[  770.864587][T16183]  ? copy_msghdr_from_user (net/socket.c:2619)
[  770.864592][T16183]  __sys_sendmsg (net/socket.c:2799)
[  770.864594][T16183]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  770.864597][T16183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.864599][T16183]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  770.864601][T16183]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  770.864603][T16183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  770.864604][T16183] RIP: 0033:0x7f28cc6cd54e
[  770.864606][T16183] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  770.864608][T16183] RSP: 002b:00007ffe2971eb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  770.864612][T16183] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f28cc6cd54e
[  770.864614][T16183] RDX: 0000000000000000 RSI: 00007ffe2971ebd0 RDI: 0000000000000005
[  770.864615][T16183] RBP: 00007ffe2971eb30 R08: 0000000000000000 R09: 0000000000000000
[  770.864616][T16183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cb1
[  770.864617][T16183] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2971f290
| [  772.584616][T16242] softirqs last disabled at (0): 0x0
| [  772.584619][T16242] Preemption disabled at:
| [  772.584620][T16242] vprintk_emit (kernel/printk/printk.c:2471)
| [  772.584633][T16242] Tainted: [W]=WARN
[  772.584635][T16242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  772.584638][T16242] Call Trace:
[  772.584639][T16242]  <TASK>
[  772.584641][T16242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  772.584648][T16242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  772.584650][T16242]  __might_resched.cold (kernel/sched/core.c:9234)
[  772.584655][T16242]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  772.584657][T16242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  772.584662][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584665][T16242]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  772.584670][T16242]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  772.584674][T16242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  772.584681][T16242]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  772.584683][T16242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  772.584688][T16242]  put_chars (drivers/char/virtio_console.c:1176)
[  772.584691][T16242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  772.584694][T16242]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  772.584698][T16242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  772.584704][T16242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  772.584707][T16242]  ? vsnprintf (lib/vsprintf.c:2900)
[  772.584711][T16242]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  772.584713][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584715][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584718][T16242]  console_emit_next_record (kernel/printk/printk.c:3183)
[  772.584722][T16242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  772.584725][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584727][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584729][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584731][T16242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.584734][T16242]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  772.584737][T16242]  console_flush_one_record (kernel/printk/printk.c:3268)
[  772.584741][T16242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  772.584745][T16242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  772.584748][T16242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.584751][T16242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  772.584754][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584756][T16242]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  772.584758][T16242]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  772.584761][T16242]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  772.584764][T16242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  772.584767][T16242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  772.584769][T16242]  vprintk_emit (kernel/printk/printk.c:2479)
[  772.584772][T16242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  772.584774][T16242]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  772.584776][T16242]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  772.584780][T16242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.584782][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584785][T16242]  _printk (kernel/printk/printk.c:2504)
[  772.584789][T16242]  ? snapshot_read.cold (user.c:?)
[  772.584792][T16242]  ? br_multicast_flood (??:?)
[  772.584796][T16242]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  772.584800][T16242]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  772.584802][T16242]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  772.584805][T16242]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  772.584809][T16242]  br_init_port (net/bridge/br_stp_if.c:39)
[  772.584812][T16242]  new_nbp (net/bridge/br_if.c:449)
[  772.584815][T16242]  br_add_if (net/bridge/br_if.c:592)
[  772.584818][T16242]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  772.584824][T16242]  do_set_master (net/core/rtnetlink.c:3071)
[  772.584827][T16242]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  772.584831][T16242]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  772.584833][T16242]  ? __dev_get_by_name (net/core/dev.c:905)
[  772.584836][T16242]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  772.584842][T16242]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  772.584846][T16242]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  772.584849][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584852][T16242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  772.584854][T16242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.584856][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584859][T16242]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  772.584862][T16242]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  772.584865][T16242]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  772.584868][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584870][T16242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.584873][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584875][T16242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  772.584877][T16242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  772.584880][T16242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  772.584882][T16242]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  772.584884][T16242]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  772.584890][T16242]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  772.584894][T16242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  772.584897][T16242]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  772.584899][T16242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  772.584902][T16242]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  772.584907][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584909][T16242]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  772.584913][T16242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  772.584916][T16242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  772.584920][T16242]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  772.584923][T16242]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  772.584927][T16242]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  772.584930][T16242]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  772.584934][T16242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.584936][T16242]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  772.584941][T16242]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  772.584944][T16242]  ____sys_sendmsg (net/socket.c:2713)
[  772.584947][T16242]  ? copy_msghdr_from_user (net/socket.c:2650)
[  772.584950][T16242]  ? sock_write_iter (net/socket.c:1269)
[  772.584952][T16242]  ? move_addr_to_kernel (net/socket.c:258)
[  772.584956][T16242]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  772.584959][T16242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.584962][T16242]  ___sys_sendmsg (net/socket.c:2767)
[  772.584965][T16242]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  772.584968][T16242]  ? copy_msghdr_from_user (net/socket.c:2619)
[  772.584970][T16242]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  772.584979][T16242]  __sys_sendmsg (net/socket.c:2799)
[  772.584982][T16242]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  772.584986][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584989][T16242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.584992][T16242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  772.584995][T16242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  772.584998][T16242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  772.585001][T16242] RIP: 0033:0x7f4d2d41554e
[  772.585004][T16242] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  772.585007][T16242] RSP: 002b:00007ffe7e01b060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  772.585012][T16242] RAX: ffffffffffffffda RBX: 00007ffe7e01b828 RCX: 00007f4d2d41554e
[  772.585014][T16242] RDX: 0000000000000000 RSI: 00007ffe7e01b110 RDI: 0000000000000005
[  772.585015][T16242] RBP: 00007ffe7e01b070 R08: 0000000000000000 R09: 0000000000000000
[  772.585017][T16242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cb2
[  772.585018][T16242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7e01b7e0
| [  779.526330][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  779.526334][   T12] Preemption disabled at:
| [  779.526335][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  779.526347][   T12] Tainted: [W]=WARN
[  779.526348][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  779.526351][   T12] Workqueue: netns cleanup_net
[  779.526358][   T12] Call Trace:
[  779.526360][   T12]  <TASK>
[  779.526363][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  779.526370][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  779.526373][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  779.526377][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  779.526381][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  779.526385][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.526388][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  779.526392][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  779.526395][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  779.526401][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  779.526404][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  779.526407][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  779.526410][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  779.526413][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  779.526417][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  779.526424][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  779.526426][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  779.526430][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  779.526433][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.526435][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.526439][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  779.526443][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  779.526446][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.526448][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.526450][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.526451][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.526455][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  779.526458][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  779.526461][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  779.526466][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  779.526468][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.526471][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  779.526474][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.526475][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  779.526478][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  779.526480][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  779.526483][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  779.526485][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  779.526488][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  779.526490][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  779.526493][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  779.526495][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  779.526499][   T12]  ? kthread (kernel/kthread.c:436)
[  779.526503][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  779.526506][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  779.526511][   T12]  _printk (kernel/printk/printk.c:2504)
[  779.526515][   T12]  ? snapshot_read.cold (user.c:?)
[  779.526518][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  779.526522][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  779.526526][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  779.526529][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  779.526532][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.526535][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  779.526537][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  779.526541][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  779.526543][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  779.526546][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  779.526549][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  779.526553][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  779.526559][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  779.526562][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  779.526566][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  779.526570][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  779.526573][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  779.526577][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  779.526580][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  779.526583][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.526586][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.526588][   T12]  process_one_work (kernel/workqueue.c:3387)
[  779.526593][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  779.526597][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  779.526601][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  779.526606][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  779.526609][   T12]  kthread (kernel/kthread.c:436)
[  779.526611][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  779.526613][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  779.526617][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  779.526619][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  779.526622][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  779.526627][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  779.526630][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  780.657889][T16350] softirqs last disabled at (0): 0x0
| [  780.657892][T16350] Preemption disabled at:
| [  780.657893][T16350] vprintk_emit (kernel/printk/printk.c:2471)
| [  780.657906][T16350] Tainted: [W]=WARN
[  780.657907][T16350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  780.657910][T16350] Call Trace:
[  780.657912][T16350]  <TASK>
[  780.657913][T16350]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  780.657920][T16350]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  780.657922][T16350]  __might_resched.cold (kernel/sched/core.c:9234)
[  780.657926][T16350]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  780.657931][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.657934][T16350]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  780.657938][T16350]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  780.657942][T16350]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  780.657949][T16350]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  780.657951][T16350]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  780.657955][T16350]  put_chars (drivers/char/virtio_console.c:1176)
[  780.657958][T16350]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  780.657960][T16350]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  780.657964][T16350]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  780.657967][T16350]  ? pointer (lib/vsprintf.c:2577)
[  780.657972][T16350]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  780.657978][T16350]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  780.657981][T16350]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  780.657983][T16350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.657987][T16350]  console_emit_next_record (kernel/printk/printk.c:3183)
[  780.657991][T16350]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  780.657994][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.657996][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.657998][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658000][T16350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.658003][T16350]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  780.658006][T16350]  console_flush_one_record (kernel/printk/printk.c:3268)
[  780.658009][T16350]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  780.658014][T16350]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  780.658017][T16350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.658019][T16350]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  780.658022][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658024][T16350]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.658027][T16350]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  780.658030][T16350]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  780.658032][T16350]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  780.658035][T16350]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  780.658038][T16350]  vprintk_emit (kernel/printk/printk.c:2479)
[  780.658041][T16350]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  780.658043][T16350]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  780.658046][T16350]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  780.658051][T16350]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  780.658055][T16350]  _printk (kernel/printk/printk.c:2504)
[  780.658059][T16350]  ? snapshot_read.cold (user.c:?)
[  780.658062][T16350]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  780.658069][T16350]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  780.658073][T16350]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  780.658076][T16350]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  780.658082][T16350]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  780.658085][T16350]  ? netdev_notice (net/core/dev.c:13194)
[  780.658088][T16350]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  780.658091][T16350]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  780.658094][T16350]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  780.658097][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658098][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658100][T16350]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  780.658103][T16350]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  780.658106][T16350]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  780.658108][T16350]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  780.658111][T16350]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  780.658114][T16350]  ? register_netdev (net/core/dev.c:11618)
[  780.658116][T16350]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.658120][T16350]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  780.658124][T16350]  ? __kernel_text_address (kernel/extable.c:79)
[  780.658127][T16350]  ? write_profile (profile.c:?)
[  780.658131][T16350]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  780.658135][T16350]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  780.658138][T16350]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  780.658141][T16350]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  780.658143][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658145][T16350]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  780.658149][T16350]  ? kasan_save_stack (mm/kasan/common.c:58)
[  780.658152][T16350]  ? kasan_save_stack (mm/kasan/common.c:57)
[  780.658154][T16350]  ? kasan_save_track (mm/kasan/common.c:78)
[  780.658156][T16350]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  780.658158][T16350]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  780.658160][T16350]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  780.658162][T16350]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  780.658164][T16350]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  780.658167][T16350]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  780.658170][T16350]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  780.658173][T16350]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  780.658176][T16350]  ? ____sys_sendmsg (net/socket.c:2713)
[  780.658179][T16350]  ? ___sys_sendmsg (net/socket.c:2767)
[  780.658181][T16350]  ? __sys_sendmsg (net/socket.c:2799)
[  780.658184][T16350]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  780.658187][T16350]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  780.658191][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658193][T16350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.658196][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658197][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658199][T16350]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  780.658202][T16350]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  780.658204][T16350]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  780.658206][T16350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  780.658209][T16350]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  780.658210][T16350]  ? nla_get_range_signed (lib/nlattr.c:270)
[  780.658215][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658217][T16350]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  780.658221][T16350]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  780.658224][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658226][T16350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  780.658228][T16350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.658231][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658233][T16350]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  780.658237][T16350]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  780.658239][T16350]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  780.658242][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658244][T16350]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  780.658249][T16350]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  780.658252][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658254][T16350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.658256][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658258][T16350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  780.658261][T16350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  780.658263][T16350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  780.658266][T16350]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  780.658268][T16350]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  780.658272][T16350]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  780.658274][T16350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  780.658277][T16350]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.658279][T16350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  780.658282][T16350]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  780.658286][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658288][T16350]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.658291][T16350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  780.658294][T16350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  780.658297][T16350]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  780.658300][T16350]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  780.658304][T16350]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  780.658307][T16350]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  780.658310][T16350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.658313][T16350]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  780.658317][T16350]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  780.658320][T16350]  ____sys_sendmsg (net/socket.c:2713)
[  780.658323][T16350]  ? copy_msghdr_from_user (net/socket.c:2650)
[  780.658329][T16350]  ? sock_write_iter (net/socket.c:1269)
[  780.658331][T16350]  ? move_addr_to_kernel (net/socket.c:258)
[  780.658333][T16350]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  780.658338][T16350]  ___sys_sendmsg (net/socket.c:2767)
[  780.658341][T16350]  ? copy_msghdr_from_user (net/socket.c:2619)
[  780.658349][T16350]  __sys_sendmsg (net/socket.c:2799)
[  780.658352][T16350]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  780.658356][T16350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.658358][T16350]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  780.658361][T16350]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  780.658364][T16350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  780.658367][T16350] RIP: 0033:0x7f816f23854e
[  780.658370][T16350] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  780.658373][T16350] RSP: 002b:00007ffdb799c870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  780.658378][T16350] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816f23854e
[  780.658380][T16350] RDX: 0000000000000000 RSI: 00007ffdb799c920 RDI: 0000000000000005
[  780.658382][T16350] RBP: 00007ffdb799c880 R08: 0000000000000000 R09: 0000000000000000
[  780.658383][T16350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cbb
[  780.658385][T16350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb799cfe0
| [  782.386477][T16424] softirqs last disabled at (0): 0x0
| [  782.386479][T16424] Preemption disabled at:
| [  782.386480][T16424] vprintk_emit (kernel/printk/printk.c:2471)
| [  782.386494][T16424] Tainted: [W]=WARN
[  782.386496][T16424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  782.386499][T16424] Call Trace:
[  782.386501][T16424]  <TASK>
[  782.386503][T16424]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  782.386510][T16424]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  782.386513][T16424]  __might_resched.cold (kernel/sched/core.c:9234)
[  782.386517][T16424]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  782.386520][T16424]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  782.386525][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386528][T16424]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  782.386532][T16424]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  782.386536][T16424]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  782.386542][T16424]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  782.386545][T16424]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  782.386549][T16424]  put_chars (drivers/char/virtio_console.c:1176)
[  782.386551][T16424]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  782.386554][T16424]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  782.386558][T16424]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  782.386565][T16424]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  782.386568][T16424]  ? vsnprintf (lib/vsprintf.c:2900)
[  782.386572][T16424]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  782.386575][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386577][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386580][T16424]  console_emit_next_record (kernel/printk/printk.c:3183)
[  782.386584][T16424]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  782.386588][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386590][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386591][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386593][T16424]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.386597][T16424]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  782.386599][T16424]  console_flush_one_record (kernel/printk/printk.c:3268)
[  782.386603][T16424]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  782.386607][T16424]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  782.386610][T16424]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.386612][T16424]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  782.386615][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386617][T16424]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  782.386620][T16424]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  782.386622][T16424]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  782.386625][T16424]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  782.386627][T16424]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  782.386630][T16424]  vprintk_emit (kernel/printk/printk.c:2479)
[  782.386633][T16424]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  782.386635][T16424]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  782.386637][T16424]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  782.386642][T16424]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.386644][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386647][T16424]  _printk (kernel/printk/printk.c:2504)
[  782.386652][T16424]  ? snapshot_read.cold (user.c:?)
[  782.386655][T16424]  ? br_multicast_flood (??:?)
[  782.386660][T16424]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  782.386664][T16424]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  782.386666][T16424]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  782.386669][T16424]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  782.386673][T16424]  br_init_port (net/bridge/br_stp_if.c:39)
[  782.386676][T16424]  new_nbp (net/bridge/br_if.c:449)
[  782.386679][T16424]  br_add_if (net/bridge/br_if.c:592)
[  782.386682][T16424]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  782.386688][T16424]  do_set_master (net/core/rtnetlink.c:3071)
[  782.386691][T16424]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  782.386694][T16424]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  782.386696][T16424]  ? __dev_get_by_name (net/core/dev.c:905)
[  782.386699][T16424]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  782.386704][T16424]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  782.386709][T16424]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  782.386712][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386714][T16424]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  782.386716][T16424]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.386719][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386722][T16424]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  782.386725][T16424]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  782.386729][T16424]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  782.386732][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386734][T16424]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.386737][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386739][T16424]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  782.386742][T16424]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  782.386745][T16424]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  782.386747][T16424]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  782.386749][T16424]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  782.386755][T16424]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  782.386759][T16424]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  782.386761][T16424]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  782.386763][T16424]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  782.386766][T16424]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  782.386770][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386772][T16424]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  782.386775][T16424]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  782.386779][T16424]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  782.386782][T16424]  ? next_uptodate_folio (mm/filemap.c:3747)
[  782.386786][T16424]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  782.386789][T16424]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  782.386793][T16424]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.386795][T16424]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  782.386800][T16424]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  782.386805][T16424]  ____sys_sendmsg (net/socket.c:2713)
[  782.386807][T16424]  ? copy_msghdr_from_user (net/socket.c:2650)
[  782.386811][T16424]  ? sock_write_iter (net/socket.c:1269)
[  782.386813][T16424]  ? move_addr_to_kernel (net/socket.c:258)
[  782.386817][T16424]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  782.386820][T16424]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.386824][T16424]  ___sys_sendmsg (net/socket.c:2767)
[  782.386826][T16424]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  782.386829][T16424]  ? copy_msghdr_from_user (net/socket.c:2619)
[  782.386831][T16424]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  782.386839][T16424]  __sys_sendmsg (net/socket.c:2799)
[  782.386842][T16424]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  782.386847][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386849][T16424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.386851][T16424]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  782.386855][T16424]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  782.386858][T16424]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  782.386861][T16424] RIP: 0033:0x7f8bb42ab54e
[  782.386864][T16424] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  782.386866][T16424] RSP: 002b:00007ffd51addf00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  782.386872][T16424] RAX: ffffffffffffffda RBX: 00007ffd51ade6c8 RCX: 00007f8bb42ab54e
[  782.386874][T16424] RDX: 0000000000000000 RSI: 00007ffd51addfb0 RDI: 0000000000000005
[  782.386876][T16424] RBP: 00007ffd51addf10 R08: 0000000000000000 R09: 0000000000000000
[  782.386878][T16424] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cbc
[  782.386879][T16424] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd51ade680
| [  783.483181][T16463] softirqs last disabled at (0): 0x0
| [  783.483184][T16463] Preemption disabled at:
| [  783.483186][T16463] vprintk_emit (kernel/printk/printk.c:2471)
| [  783.483200][T16463] Tainted: [W]=WARN
[  783.483201][T16463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  783.483204][T16463] Call Trace:
[  783.483206][T16463]  <TASK>
[  783.483208][T16463]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  783.483215][T16463]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  783.483218][T16463]  __might_resched.cold (kernel/sched/core.c:9234)
[  783.483223][T16463]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  783.483227][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483230][T16463]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  783.483234][T16463]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  783.483238][T16463]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  783.483244][T16463]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  783.483247][T16463]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  783.483250][T16463]  put_chars (drivers/char/virtio_console.c:1176)
[  783.483253][T16463]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  783.483255][T16463]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  783.483259][T16463]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  783.483262][T16463]  ? pointer (lib/vsprintf.c:2577)
[  783.483267][T16463]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  783.483274][T16463]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  783.483277][T16463]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  783.483280][T16463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  783.483284][T16463]  console_emit_next_record (kernel/printk/printk.c:3183)
[  783.483288][T16463]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  783.483291][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483293][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483295][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483297][T16463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  783.483300][T16463]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  783.483303][T16463]  console_flush_one_record (kernel/printk/printk.c:3268)
[  783.483306][T16463]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  783.483310][T16463]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  783.483313][T16463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  783.483315][T16463]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  783.483318][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483320][T16463]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  783.483322][T16463]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  783.483324][T16463]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  783.483327][T16463]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  783.483330][T16463]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  783.483332][T16463]  vprintk_emit (kernel/printk/printk.c:2479)
[  783.483335][T16463]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  783.483337][T16463]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  783.483341][T16463]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  783.483352][T16463]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  783.483356][T16463]  _printk (kernel/printk/printk.c:2504)
[  783.483360][T16463]  ? snapshot_read.cold (user.c:?)
[  783.483363][T16463]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  783.483367][T16463]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  783.483372][T16463]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  783.483375][T16463]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  783.483379][T16463]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  783.483382][T16463]  ? netdev_notice (net/core/dev.c:13194)
[  783.483385][T16463]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  783.483388][T16463]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  783.483391][T16463]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  783.483394][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483395][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483397][T16463]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  783.483399][T16463]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  783.483402][T16463]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  783.483404][T16463]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  783.483406][T16463]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  783.483409][T16463]  ? register_netdev (net/core/dev.c:11618)
[  783.483411][T16463]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  783.483414][T16463]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  783.483418][T16463]  ? __kernel_text_address (kernel/extable.c:79)
[  783.483421][T16463]  ? write_profile (profile.c:?)
[  783.483425][T16463]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  783.483430][T16463]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  783.483434][T16463]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  783.483436][T16463]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  783.483439][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483441][T16463]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  783.483446][T16463]  ? kasan_save_stack (mm/kasan/common.c:58)
[  783.483449][T16463]  ? kasan_save_stack (mm/kasan/common.c:57)
[  783.483451][T16463]  ? kasan_save_track (mm/kasan/common.c:78)
[  783.483453][T16463]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  783.483455][T16463]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  783.483457][T16463]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  783.483459][T16463]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  783.483461][T16463]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  783.483465][T16463]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  783.483467][T16463]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  783.483470][T16463]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  783.483473][T16463]  ? ____sys_sendmsg (net/socket.c:2713)
[  783.483475][T16463]  ? ___sys_sendmsg (net/socket.c:2767)
[  783.483477][T16463]  ? __sys_sendmsg (net/socket.c:2799)
[  783.483480][T16463]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  783.483483][T16463]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  783.483487][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483489][T16463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  783.483491][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483493][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483495][T16463]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  783.483497][T16463]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  783.483499][T16463]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  783.483501][T16463]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  783.483504][T16463]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  783.483506][T16463]  ? nla_get_range_signed (lib/nlattr.c:270)
[  783.483511][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483514][T16463]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  783.483518][T16463]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  783.483521][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483524][T16463]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  783.483526][T16463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  783.483528][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483531][T16463]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  783.483534][T16463]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  783.483537][T16463]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  783.483539][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483541][T16463]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  783.483545][T16463]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  783.483548][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483550][T16463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  783.483552][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483554][T16463]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  783.483557][T16463]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  783.483559][T16463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  783.483561][T16463]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  783.483564][T16463]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  783.483568][T16463]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  783.483570][T16463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  783.483572][T16463]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  783.483575][T16463]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  783.483577][T16463]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  783.483582][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483584][T16463]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  783.483588][T16463]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  783.483591][T16463]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  783.483594][T16463]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  783.483598][T16463]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  783.483602][T16463]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  783.483604][T16463]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  783.483607][T16463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  783.483610][T16463]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  783.483615][T16463]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  783.483617][T16463]  ____sys_sendmsg (net/socket.c:2713)
[  783.483620][T16463]  ? copy_msghdr_from_user (net/socket.c:2650)
[  783.483623][T16463]  ? sock_write_iter (net/socket.c:1269)
[  783.483625][T16463]  ? move_addr_to_kernel (net/socket.c:258)
[  783.483627][T16463]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  783.483632][T16463]  ___sys_sendmsg (net/socket.c:2767)
[  783.483634][T16463]  ? copy_msghdr_from_user (net/socket.c:2619)
[  783.483642][T16463]  __sys_sendmsg (net/socket.c:2799)
[  783.483645][T16463]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  783.483650][T16463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  783.483652][T16463]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  783.483655][T16463]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  783.483658][T16463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  783.483660][T16463] RIP: 0033:0x7f3a199e554e
[  783.483663][T16463] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  783.483666][T16463] RSP: 002b:00007ffd89be2d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  783.483671][T16463] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3a199e554e
[  783.483673][T16463] RDX: 0000000000000000 RSI: 00007ffd89be2df0 RDI: 0000000000000005
[  783.483675][T16463] RBP: 00007ffd89be2d50 R08: 0000000000000000 R09: 0000000000000000
[  783.483677][T16463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cbd
[  783.483678][T16463] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd89be34b0
| [  785.265453][T16520] softirqs last disabled at (0): 0x0
| [  785.265456][T16520] Preemption disabled at:
| [  785.265457][T16520] vprintk_emit (kernel/printk/printk.c:2471)
| [  785.265472][T16520] Tainted: [W]=WARN
[  785.265473][T16520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  785.265476][T16520] Call Trace:
[  785.265478][T16520]  <TASK>
[  785.265480][T16520]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  785.265488][T16520]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  785.265490][T16520]  __might_resched.cold (kernel/sched/core.c:9234)
[  785.265495][T16520]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  785.265499][T16520]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  785.265503][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265507][T16520]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  785.265512][T16520]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  785.265516][T16520]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  785.265522][T16520]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  785.265525][T16520]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  785.265529][T16520]  put_chars (drivers/char/virtio_console.c:1176)
[  785.265532][T16520]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  785.265535][T16520]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  785.265539][T16520]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  785.265545][T16520]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  785.265548][T16520]  ? vsnprintf (lib/vsprintf.c:2900)
[  785.265553][T16520]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  785.265555][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265558][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265561][T16520]  console_emit_next_record (kernel/printk/printk.c:3183)
[  785.265565][T16520]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  785.265569][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265571][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265573][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265576][T16520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  785.265579][T16520]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  785.265582][T16520]  console_flush_one_record (kernel/printk/printk.c:3268)
[  785.265586][T16520]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  785.265590][T16520]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  785.265593][T16520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  785.265596][T16520]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  785.265598][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265600][T16520]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  785.265603][T16520]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  785.265605][T16520]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  785.265608][T16520]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  785.265611][T16520]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  785.265613][T16520]  vprintk_emit (kernel/printk/printk.c:2479)
[  785.265616][T16520]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  785.265618][T16520]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  785.265621][T16520]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  785.265624][T16520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  785.265627][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265629][T16520]  _printk (kernel/printk/printk.c:2504)
[  785.265634][T16520]  ? snapshot_read.cold (user.c:?)
[  785.265637][T16520]  ? br_multicast_flood (??:?)
[  785.265642][T16520]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  785.265646][T16520]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  785.265648][T16520]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  785.265652][T16520]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  785.265656][T16520]  br_init_port (net/bridge/br_stp_if.c:39)
[  785.265659][T16520]  new_nbp (net/bridge/br_if.c:449)
[  785.265662][T16520]  br_add_if (net/bridge/br_if.c:592)
[  785.265665][T16520]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  785.265672][T16520]  do_set_master (net/core/rtnetlink.c:3071)
[  785.265675][T16520]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  785.265678][T16520]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  785.265680][T16520]  ? __dev_get_by_name (net/core/dev.c:905)
[  785.265683][T16520]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  785.265689][T16520]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  785.265693][T16520]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  785.265696][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265698][T16520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  785.265701][T16520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  785.265703][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265706][T16520]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  785.265709][T16520]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  785.265712][T16520]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  785.265715][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265718][T16520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  785.265720][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265723][T16520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  785.265725][T16520]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  785.265729][T16520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  785.265731][T16520]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  785.265734][T16520]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  785.265739][T16520]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  785.265744][T16520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  785.265747][T16520]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  785.265749][T16520]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  785.265752][T16520]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  785.265757][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265759][T16520]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  785.265762][T16520]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  785.265765][T16520]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  785.265768][T16520]  ? next_uptodate_folio (mm/filemap.c:3747)
[  785.265772][T16520]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  785.265776][T16520]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  785.265779][T16520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  785.265782][T16520]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  785.265786][T16520]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  785.265790][T16520]  ____sys_sendmsg (net/socket.c:2713)
[  785.265793][T16520]  ? copy_msghdr_from_user (net/socket.c:2650)
[  785.265796][T16520]  ? sock_write_iter (net/socket.c:1269)
[  785.265798][T16520]  ? move_addr_to_kernel (net/socket.c:258)
[  785.265803][T16520]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  785.265806][T16520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  785.265810][T16520]  ___sys_sendmsg (net/socket.c:2767)
[  785.265813][T16520]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  785.265816][T16520]  ? copy_msghdr_from_user (net/socket.c:2619)
[  785.265819][T16520]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  785.265827][T16520]  __sys_sendmsg (net/socket.c:2799)
[  785.265830][T16520]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  785.265835][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265837][T16520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.265839][T16520]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  785.265843][T16520]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  785.265846][T16520]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  785.265849][T16520] RIP: 0033:0x7fec2e40b54e
[  785.265852][T16520] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  785.265855][T16520] RSP: 002b:00007ffe61d73dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  785.265859][T16520] RAX: ffffffffffffffda RBX: 00007ffe61d74588 RCX: 00007fec2e40b54e
[  785.265862][T16520] RDX: 0000000000000000 RSI: 00007ffe61d73e70 RDI: 0000000000000005
[  785.265863][T16520] RBP: 00007ffe61d73dd0 R08: 0000000000000000 R09: 0000000000000000
[  785.265865][T16520] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cbf
[  785.265867][T16520] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe61d74540
| [  792.176524][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  792.176528][   T12] Preemption disabled at:
| [  792.176530][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  792.176544][   T12] Tainted: [W]=WARN
[  792.176547][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  792.176549][   T12] Workqueue: netns cleanup_net
[  792.176560][   T12] Call Trace:
[  792.176563][   T12]  <TASK>
[  792.176567][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  792.176578][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  792.176580][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  792.176585][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  792.176588][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  792.176593][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.176597][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  792.176606][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  792.176610][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  792.176621][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  792.176627][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  792.176633][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  792.176636][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  792.176639][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  792.176643][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  792.176650][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  792.176653][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  792.176657][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  792.176660][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.176662][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.176669][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  792.176676][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  792.176682][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.176687][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.176691][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.176694][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  792.176698][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  792.176701][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  792.176705][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  792.176709][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  792.176714][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  792.176720][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  792.176724][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.176729][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  792.176733][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  792.176739][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  792.176743][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  792.176746][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  792.176749][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  792.176752][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  792.176754][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  792.176757][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  792.176761][   T12]  ? kthread (kernel/kthread.c:436)
[  792.176764][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  792.176768][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  792.176772][   T12]  _printk (kernel/printk/printk.c:2504)
[  792.176781][   T12]  ? snapshot_read.cold (user.c:?)
[  792.176786][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  792.176795][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  792.176800][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  792.176807][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  792.176811][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.176813][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  792.176816][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  792.176820][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  792.176823][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  792.176826][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  792.176830][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  792.176834][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  792.176840][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  792.176843][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  792.176850][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  792.176855][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  792.176862][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  792.176869][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  792.176876][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  792.176879][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  792.176882][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.176886][   T12]  process_one_work (kernel/workqueue.c:3387)
[  792.176890][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  792.176895][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  792.176903][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  792.176910][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  792.176916][   T12]  kthread (kernel/kthread.c:436)
[  792.176921][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  792.176927][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  792.176931][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  792.176934][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  792.176937][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  792.176941][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  792.176944][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  793.296503][T16628] softirqs last disabled at (0): 0x0
| [  793.296506][T16628] Preemption disabled at:
| [  793.296507][T16628] vprintk_emit (kernel/printk/printk.c:2471)
| [  793.296520][T16628] Tainted: [W]=WARN
[  793.296522][T16628] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  793.296524][T16628] Call Trace:
[  793.296526][T16628]  <TASK>
[  793.296527][T16628]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  793.296534][T16628]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  793.296536][T16628]  __might_resched.cold (kernel/sched/core.c:9234)
[  793.296541][T16628]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  793.296546][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296550][T16628]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  793.296554][T16628]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  793.296558][T16628]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  793.296564][T16628]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  793.296567][T16628]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  793.296571][T16628]  put_chars (drivers/char/virtio_console.c:1176)
[  793.296573][T16628]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  793.296575][T16628]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  793.296579][T16628]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  793.296582][T16628]  ? pointer (lib/vsprintf.c:2577)
[  793.296586][T16628]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  793.296593][T16628]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  793.296595][T16628]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  793.296598][T16628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.296602][T16628]  console_emit_next_record (kernel/printk/printk.c:3183)
[  793.296606][T16628]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  793.296609][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296611][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296613][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296615][T16628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.296618][T16628]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  793.296621][T16628]  console_flush_one_record (kernel/printk/printk.c:3268)
[  793.296625][T16628]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  793.296630][T16628]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  793.296632][T16628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.296635][T16628]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  793.296638][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296640][T16628]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  793.296642][T16628]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  793.296645][T16628]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  793.296647][T16628]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  793.296650][T16628]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  793.296652][T16628]  vprintk_emit (kernel/printk/printk.c:2479)
[  793.296655][T16628]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  793.296657][T16628]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  793.296661][T16628]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  793.296665][T16628]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  793.296668][T16628]  _printk (kernel/printk/printk.c:2504)
[  793.296672][T16628]  ? snapshot_read.cold (user.c:?)
[  793.296675][T16628]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  793.296678][T16628]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  793.296682][T16628]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  793.296685][T16628]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  793.296690][T16628]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  793.296694][T16628]  ? netdev_notice (net/core/dev.c:13194)
[  793.296697][T16628]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  793.296700][T16628]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  793.296704][T16628]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  793.296706][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296708][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296710][T16628]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  793.296712][T16628]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  793.296714][T16628]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  793.296717][T16628]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  793.296719][T16628]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  793.296721][T16628]  ? register_netdev (net/core/dev.c:11618)
[  793.296724][T16628]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  793.296727][T16628]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  793.296730][T16628]  ? __kernel_text_address (kernel/extable.c:79)
[  793.296734][T16628]  ? write_profile (profile.c:?)
[  793.296738][T16628]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  793.296742][T16628]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  793.296745][T16628]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  793.296748][T16628]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  793.296750][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296751][T16628]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  793.296756][T16628]  ? kasan_save_stack (mm/kasan/common.c:58)
[  793.296759][T16628]  ? kasan_save_stack (mm/kasan/common.c:57)
[  793.296761][T16628]  ? kasan_save_track (mm/kasan/common.c:78)
[  793.296763][T16628]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  793.296766][T16628]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  793.296768][T16628]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  793.296770][T16628]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  793.296772][T16628]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  793.296776][T16628]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  793.296779][T16628]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  793.296781][T16628]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  793.296785][T16628]  ? ____sys_sendmsg (net/socket.c:2713)
[  793.296787][T16628]  ? ___sys_sendmsg (net/socket.c:2767)
[  793.296789][T16628]  ? __sys_sendmsg (net/socket.c:2799)
[  793.296792][T16628]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  793.296795][T16628]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  793.296799][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296801][T16628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.296803][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296805][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296807][T16628]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  793.296809][T16628]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  793.296811][T16628]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  793.296813][T16628]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  793.296816][T16628]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  793.296818][T16628]  ? nla_get_range_signed (lib/nlattr.c:270)
[  793.296822][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296825][T16628]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  793.296828][T16628]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  793.296832][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296834][T16628]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  793.296836][T16628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.296839][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296842][T16628]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  793.296845][T16628]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  793.296848][T16628]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  793.296850][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296852][T16628]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  793.296856][T16628]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  793.296859][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296861][T16628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.296864][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296866][T16628]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  793.296868][T16628]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  793.296871][T16628]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  793.296873][T16628]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  793.296875][T16628]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  793.296879][T16628]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  793.296882][T16628]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  793.296886][T16628]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  793.296889][T16628]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  793.296892][T16628]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  793.296896][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296898][T16628]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  793.296901][T16628]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  793.296905][T16628]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  793.296908][T16628]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  793.296912][T16628]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  793.296915][T16628]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  793.296918][T16628]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  793.296921][T16628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.296923][T16628]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  793.296928][T16628]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  793.296931][T16628]  ____sys_sendmsg (net/socket.c:2713)
[  793.296933][T16628]  ? copy_msghdr_from_user (net/socket.c:2650)
[  793.296936][T16628]  ? sock_write_iter (net/socket.c:1269)
[  793.296938][T16628]  ? move_addr_to_kernel (net/socket.c:258)
[  793.296940][T16628]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  793.296945][T16628]  ___sys_sendmsg (net/socket.c:2767)
[  793.296947][T16628]  ? copy_msghdr_from_user (net/socket.c:2619)
[  793.296955][T16628]  __sys_sendmsg (net/socket.c:2799)
[  793.296958][T16628]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  793.296962][T16628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.296965][T16628]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  793.296968][T16628]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  793.296971][T16628]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  793.296974][T16628] RIP: 0033:0x7fc8fc2c154e
[  793.296977][T16628] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  793.296980][T16628] RSP: 002b:00007ffcd3242c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  793.296984][T16628] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc8fc2c154e
[  793.296987][T16628] RDX: 0000000000000000 RSI: 00007ffcd3242d10 RDI: 0000000000000005
[  793.296988][T16628] RBP: 00007ffcd3242c70 R08: 0000000000000000 R09: 0000000000000000
[  793.296990][T16628] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cc7
[  793.296992][T16628] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd32433d0
| [  795.034803][T16702] softirqs last disabled at (0): 0x0
| [  795.034805][T16702] Preemption disabled at:
| [  795.034807][T16702] vprintk_emit (kernel/printk/printk.c:2471)
| [  795.034820][T16702] Tainted: [W]=WARN
[  795.034822][T16702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  795.034825][T16702] Call Trace:
[  795.034827][T16702]  <TASK>
[  795.034829][T16702]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  795.034836][T16702]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  795.034839][T16702]  __might_resched.cold (kernel/sched/core.c:9234)
[  795.034843][T16702]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  795.034846][T16702]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  795.034850][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.034854][T16702]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  795.034858][T16702]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  795.034862][T16702]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  795.034869][T16702]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  795.034871][T16702]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  795.034875][T16702]  put_chars (drivers/char/virtio_console.c:1176)
[  795.034877][T16702]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  795.034880][T16702]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  795.034885][T16702]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  795.034892][T16702]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  795.034895][T16702]  ? vsnprintf (lib/vsprintf.c:2900)
[  795.034899][T16702]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  795.034902][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.034904][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.034907][T16702]  console_emit_next_record (kernel/printk/printk.c:3183)
[  795.034912][T16702]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  795.034915][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.034917][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.034918][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.034920][T16702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  795.034924][T16702]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  795.034926][T16702]  console_flush_one_record (kernel/printk/printk.c:3268)
[  795.034930][T16702]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  795.034934][T16702]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  795.034937][T16702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  795.034939][T16702]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  795.034942][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.034944][T16702]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  795.034946][T16702]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  795.034948][T16702]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  795.034951][T16702]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  795.034954][T16702]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  795.034956][T16702]  vprintk_emit (kernel/printk/printk.c:2479)
[  795.034959][T16702]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  795.034961][T16702]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  795.034964][T16702]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  795.034968][T16702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  795.034971][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.034974][T16702]  _printk (kernel/printk/printk.c:2504)
[  795.034978][T16702]  ? snapshot_read.cold (user.c:?)
[  795.034982][T16702]  ? br_multicast_flood (??:?)
[  795.034987][T16702]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  795.034991][T16702]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  795.034993][T16702]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  795.034996][T16702]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  795.035000][T16702]  br_init_port (net/bridge/br_stp_if.c:39)
[  795.035003][T16702]  new_nbp (net/bridge/br_if.c:449)
[  795.035006][T16702]  br_add_if (net/bridge/br_if.c:592)
[  795.035009][T16702]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  795.035014][T16702]  do_set_master (net/core/rtnetlink.c:3071)
[  795.035018][T16702]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  795.035020][T16702]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  795.035023][T16702]  ? __dev_get_by_name (net/core/dev.c:905)
[  795.035025][T16702]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  795.035031][T16702]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  795.035035][T16702]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  795.035038][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.035040][T16702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  795.035043][T16702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  795.035045][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.035048][T16702]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  795.035052][T16702]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  795.035055][T16702]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  795.035059][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.035061][T16702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  795.035064][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.035066][T16702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  795.035071][T16702]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  795.035074][T16702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  795.035076][T16702]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  795.035079][T16702]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  795.035085][T16702]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  795.035089][T16702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  795.035091][T16702]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  795.035094][T16702]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  795.035096][T16702]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  795.035100][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.035102][T16702]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  795.035105][T16702]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  795.035109][T16702]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  795.035112][T16702]  ? next_uptodate_folio (mm/filemap.c:3747)
[  795.035116][T16702]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  795.035120][T16702]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  795.035123][T16702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  795.035126][T16702]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  795.035131][T16702]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  795.035135][T16702]  ____sys_sendmsg (net/socket.c:2713)
[  795.035138][T16702]  ? copy_msghdr_from_user (net/socket.c:2650)
[  795.035141][T16702]  ? sock_write_iter (net/socket.c:1269)
[  795.035144][T16702]  ? move_addr_to_kernel (net/socket.c:258)
[  795.035148][T16702]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  795.035151][T16702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  795.035154][T16702]  ___sys_sendmsg (net/socket.c:2767)
[  795.035157][T16702]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  795.035159][T16702]  ? copy_msghdr_from_user (net/socket.c:2619)
[  795.035162][T16702]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  795.035170][T16702]  __sys_sendmsg (net/socket.c:2799)
[  795.035173][T16702]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  795.035177][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.035179][T16702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  795.035182][T16702]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  795.035185][T16702]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  795.035188][T16702]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  795.035191][T16702] RIP: 0033:0x7f093644b54e
[  795.035194][T16702] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  795.035197][T16702] RSP: 002b:00007ffc857e3530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  795.035202][T16702] RAX: ffffffffffffffda RBX: 00007ffc857e3cf8 RCX: 00007f093644b54e
[  795.035204][T16702] RDX: 0000000000000000 RSI: 00007ffc857e35e0 RDI: 0000000000000005
[  795.035206][T16702] RBP: 00007ffc857e3540 R08: 0000000000000000 R09: 0000000000000000
[  795.035208][T16702] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cc9
[  795.035210][T16702] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc857e3cb0
| [  796.109669][T16742] softirqs last disabled at (0): 0x0
| [  796.109672][T16742] Preemption disabled at:
| [  796.109673][T16742] vprintk_emit (kernel/printk/printk.c:2471)
| [  796.109686][T16742] Tainted: [W]=WARN
[  796.109687][T16742] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  796.109690][T16742] Call Trace:
[  796.109691][T16742]  <TASK>
[  796.109693][T16742]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  796.109700][T16742]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  796.109702][T16742]  __might_resched.cold (kernel/sched/core.c:9234)
[  796.109707][T16742]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  796.109711][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.109715][T16742]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  796.109719][T16742]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  796.109722][T16742]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  796.109729][T16742]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  796.109731][T16742]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  796.109735][T16742]  put_chars (drivers/char/virtio_console.c:1176)
[  796.109737][T16742]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  796.109739][T16742]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  796.109743][T16742]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  796.109746][T16742]  ? pointer (lib/vsprintf.c:2577)
[  796.109751][T16742]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  796.109758][T16742]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  796.109760][T16742]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  796.109763][T16742]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.109767][T16742]  console_emit_next_record (kernel/printk/printk.c:3183)
[  796.109771][T16742]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  796.109774][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.109776][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.109778][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.109779][T16742]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.109783][T16742]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  796.109785][T16742]  console_flush_one_record (kernel/printk/printk.c:3268)
[  796.109789][T16742]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  796.109794][T16742]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  796.109796][T16742]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.109799][T16742]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  796.109802][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.109803][T16742]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  796.109806][T16742]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  796.109808][T16742]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  796.109811][T16742]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  796.109814][T16742]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  796.109817][T16742]  vprintk_emit (kernel/printk/printk.c:2479)
[  796.109820][T16742]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  796.109822][T16742]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  796.109825][T16742]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  796.109830][T16742]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  796.109834][T16742]  _printk (kernel/printk/printk.c:2504)
[  796.109838][T16742]  ? snapshot_read.cold (user.c:?)
[  796.109841][T16742]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  796.109844][T16742]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  796.109848][T16742]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  796.109851][T16742]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  796.109855][T16742]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  796.109858][T16742]  ? netdev_notice (net/core/dev.c:13194)
[  796.109862][T16742]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  796.109864][T16742]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  796.109868][T16742]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  796.109870][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.109872][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.109874][T16742]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  796.109876][T16742]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  796.109879][T16742]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  796.109881][T16742]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  796.109884][T16742]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  796.109888][T16742]  ? register_netdev (net/core/dev.c:11618)
[  796.109891][T16742]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  796.109895][T16742]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  796.109899][T16742]  ? __kernel_text_address (kernel/extable.c:79)
[  796.109903][T16742]  ? write_profile (profile.c:?)
[  796.109907][T16742]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  796.109912][T16742]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  796.109915][T16742]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  796.109917][T16742]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  796.109920][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.109921][T16742]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  796.109926][T16742]  ? kasan_save_stack (mm/kasan/common.c:58)
[  796.109929][T16742]  ? kasan_save_stack (mm/kasan/common.c:57)
[  796.109931][T16742]  ? kasan_save_track (mm/kasan/common.c:78)
[  796.109933][T16742]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  796.109934][T16742]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  796.109936][T16742]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  796.109938][T16742]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  796.109940][T16742]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  796.109944][T16742]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  796.109946][T16742]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  796.109949][T16742]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  796.109952][T16742]  ? ____sys_sendmsg (net/socket.c:2713)
[  796.109954][T16742]  ? ___sys_sendmsg (net/socket.c:2767)
[  796.109956][T16742]  ? __sys_sendmsg (net/socket.c:2799)
[  796.109959][T16742]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  796.109962][T16742]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  796.109966][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.109968][T16742]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.109971][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.109973][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.109975][T16742]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  796.109978][T16742]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  796.109980][T16742]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  796.109982][T16742]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  796.109985][T16742]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  796.109987][T16742]  ? nla_get_range_signed (lib/nlattr.c:270)
[  796.109992][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.109994][T16742]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  796.109998][T16742]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  796.110001][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.110003][T16742]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  796.110005][T16742]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.110007][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.110010][T16742]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  796.110013][T16742]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  796.110015][T16742]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  796.110018][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.110020][T16742]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  796.110024][T16742]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  796.110027][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.110029][T16742]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.110031][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.110034][T16742]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  796.110036][T16742]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  796.110039][T16742]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  796.110041][T16742]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  796.110044][T16742]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  796.110048][T16742]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  796.110051][T16742]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  796.110054][T16742]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  796.110057][T16742]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  796.110059][T16742]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  796.110063][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.110069][T16742]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  796.110073][T16742]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  796.110077][T16742]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  796.110081][T16742]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  796.110085][T16742]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  796.110088][T16742]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  796.110091][T16742]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  796.110094][T16742]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.110096][T16742]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  796.110101][T16742]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  796.110104][T16742]  ____sys_sendmsg (net/socket.c:2713)
[  796.110106][T16742]  ? copy_msghdr_from_user (net/socket.c:2650)
[  796.110109][T16742]  ? sock_write_iter (net/socket.c:1269)
[  796.110112][T16742]  ? move_addr_to_kernel (net/socket.c:258)
[  796.110114][T16742]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  796.110119][T16742]  ___sys_sendmsg (net/socket.c:2767)
[  796.110122][T16742]  ? copy_msghdr_from_user (net/socket.c:2619)
[  796.110131][T16742]  __sys_sendmsg (net/socket.c:2799)
[  796.110134][T16742]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  796.110138][T16742]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.110141][T16742]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  796.110144][T16742]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  796.110146][T16742]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  796.110149][T16742] RIP: 0033:0x7f130038c54e
[  796.110152][T16742] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  796.110154][T16742] RSP: 002b:00007fff7813b920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  796.110159][T16742] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f130038c54e
[  796.110162][T16742] RDX: 0000000000000000 RSI: 00007fff7813b9d0 RDI: 0000000000000005
[  796.110164][T16742] RBP: 00007fff7813b930 R08: 0000000000000000 R09: 0000000000000000
[  796.110165][T16742] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cca
[  796.110167][T16742] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7813c090
| [  797.769731][T16799] softirqs last disabled at (0): 0x0
| [  797.769734][T16799] Preemption disabled at:
| [  797.769735][T16799] vprintk_emit (kernel/printk/printk.c:2471)
| [  797.769749][T16799] Tainted: [W]=WARN
[  797.769751][T16799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  797.769754][T16799] Call Trace:
[  797.769756][T16799]  <TASK>
[  797.769758][T16799]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  797.769765][T16799]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  797.769768][T16799]  __might_resched.cold (kernel/sched/core.c:9234)
[  797.769773][T16799]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  797.769776][T16799]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  797.769780][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.769784][T16799]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  797.769788][T16799]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  797.769792][T16799]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  797.769798][T16799]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  797.769800][T16799]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  797.769804][T16799]  put_chars (drivers/char/virtio_console.c:1176)
[  797.769807][T16799]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  797.769810][T16799]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  797.769814][T16799]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  797.769821][T16799]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  797.769824][T16799]  ? vsnprintf (lib/vsprintf.c:2900)
[  797.769829][T16799]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  797.769831][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.769833][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.769837][T16799]  console_emit_next_record (kernel/printk/printk.c:3183)
[  797.769841][T16799]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  797.769844][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.769846][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.769848][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.769850][T16799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.769854][T16799]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  797.769857][T16799]  console_flush_one_record (kernel/printk/printk.c:3268)
[  797.769861][T16799]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  797.769865][T16799]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  797.769868][T16799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.769870][T16799]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  797.769873][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.769875][T16799]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  797.769877][T16799]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  797.769879][T16799]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  797.769882][T16799]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  797.769885][T16799]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  797.769888][T16799]  vprintk_emit (kernel/printk/printk.c:2479)
[  797.769890][T16799]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  797.769892][T16799]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  797.769895][T16799]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  797.769899][T16799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.769902][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.769905][T16799]  _printk (kernel/printk/printk.c:2504)
[  797.769909][T16799]  ? snapshot_read.cold (user.c:?)
[  797.769913][T16799]  ? br_multicast_flood (??:?)
[  797.769917][T16799]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  797.769921][T16799]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  797.769923][T16799]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  797.769927][T16799]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  797.769931][T16799]  br_init_port (net/bridge/br_stp_if.c:39)
[  797.769934][T16799]  new_nbp (net/bridge/br_if.c:449)
[  797.769938][T16799]  br_add_if (net/bridge/br_if.c:592)
[  797.769941][T16799]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  797.769947][T16799]  do_set_master (net/core/rtnetlink.c:3071)
[  797.769950][T16799]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  797.769953][T16799]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  797.769956][T16799]  ? __dev_get_by_name (net/core/dev.c:905)
[  797.769958][T16799]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  797.769964][T16799]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  797.769968][T16799]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  797.769971][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.769973][T16799]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  797.769975][T16799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.769978][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.769980][T16799]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  797.769983][T16799]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  797.769986][T16799]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  797.769989][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.769991][T16799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.769994][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.769996][T16799]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  797.769999][T16799]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  797.770002][T16799]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  797.770004][T16799]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  797.770007][T16799]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  797.770013][T16799]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  797.770018][T16799]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  797.770020][T16799]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  797.770023][T16799]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  797.770026][T16799]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  797.770030][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.770033][T16799]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  797.770036][T16799]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  797.770040][T16799]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  797.770043][T16799]  ? next_uptodate_folio (mm/filemap.c:3747)
[  797.770048][T16799]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  797.770051][T16799]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  797.770055][T16799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.770057][T16799]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  797.770063][T16799]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  797.770069][T16799]  ____sys_sendmsg (net/socket.c:2713)
[  797.770071][T16799]  ? copy_msghdr_from_user (net/socket.c:2650)
[  797.770075][T16799]  ? sock_write_iter (net/socket.c:1269)
[  797.770077][T16799]  ? move_addr_to_kernel (net/socket.c:258)
[  797.770082][T16799]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  797.770085][T16799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.770088][T16799]  ___sys_sendmsg (net/socket.c:2767)
[  797.770091][T16799]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  797.770094][T16799]  ? copy_msghdr_from_user (net/socket.c:2619)
[  797.770096][T16799]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  797.770104][T16799]  __sys_sendmsg (net/socket.c:2799)
[  797.770107][T16799]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  797.770111][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.770113][T16799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.770116][T16799]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  797.770119][T16799]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  797.770122][T16799]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  797.770126][T16799] RIP: 0033:0x7f3490f1054e
[  797.770129][T16799] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  797.770132][T16799] RSP: 002b:00007ffd50531150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  797.770137][T16799] RAX: ffffffffffffffda RBX: 00007ffd50531918 RCX: 00007f3490f1054e
[  797.770139][T16799] RDX: 0000000000000000 RSI: 00007ffd50531200 RDI: 0000000000000005
[  797.770141][T16799] RBP: 00007ffd50531160 R08: 0000000000000000 R09: 0000000000000000
[  797.770143][T16799] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ccc
[  797.770144][T16799] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd505318d0
| [  804.706332][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  804.706336][   T12] Preemption disabled at:
| [  804.706337][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  804.706349][   T12] Tainted: [W]=WARN
[  804.706350][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  804.706352][   T12] Workqueue: netns cleanup_net
[  804.706360][   T12] Call Trace:
[  804.706362][   T12]  <TASK>
[  804.706365][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  804.706371][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  804.706374][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  804.706378][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  804.706381][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  804.706386][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.706389][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  804.706393][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  804.706396][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  804.706403][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  804.706405][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  804.706409][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  804.706412][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  804.706415][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  804.706418][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  804.706425][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  804.706427][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  804.706432][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  804.706434][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.706436][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.706440][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  804.706443][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  804.706447][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.706449][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.706450][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.706452][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  804.706456][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  804.706458][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  804.706462][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  804.706466][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  804.706475][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  804.706477][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  804.706480][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.706482][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  804.706484][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  804.706487][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  804.706489][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  804.706492][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  804.706494][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  804.706497][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  804.706499][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  804.706501][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  804.706505][   T12]  ? kthread (kernel/kthread.c:436)
[  804.706509][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  804.706512][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  804.706516][   T12]  _printk (kernel/printk/printk.c:2504)
[  804.706520][   T12]  ? snapshot_read.cold (user.c:?)
[  804.706524][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  804.706528][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  804.706531][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  804.706534][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  804.706538][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.706540][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  804.706542][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  804.706546][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  804.706548][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  804.706551][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  804.706554][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  804.706558][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  804.706563][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  804.706566][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  804.706570][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  804.706574][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  804.706577][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  804.706582][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  804.706585][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  804.706588][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  804.706591][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.706594][   T12]  process_one_work (kernel/workqueue.c:3387)
[  804.706598][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  804.706602][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  804.706606][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  804.706611][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  804.706614][   T12]  kthread (kernel/kthread.c:436)
[  804.706616][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  804.706619][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  804.706622][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  804.706624][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  804.706627][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  804.706631][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  804.706635][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  805.806050][T16907] softirqs last disabled at (0): 0x0
| [  805.806053][T16907] Preemption disabled at:
| [  805.806054][T16907] vprintk_emit (kernel/printk/printk.c:2471)
| [  805.806070][T16907] Tainted: [W]=WARN
[  805.806072][T16907] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  805.806074][T16907] Call Trace:
[  805.806077][T16907]  <TASK>
[  805.806079][T16907]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  805.806085][T16907]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  805.806088][T16907]  __might_resched.cold (kernel/sched/core.c:9234)
[  805.806092][T16907]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  805.806097][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806100][T16907]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  805.806104][T16907]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  805.806108][T16907]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  805.806115][T16907]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  805.806118][T16907]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  805.806122][T16907]  put_chars (drivers/char/virtio_console.c:1176)
[  805.806125][T16907]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  805.806127][T16907]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  805.806131][T16907]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  805.806135][T16907]  ? pointer (lib/vsprintf.c:2577)
[  805.806140][T16907]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  805.806147][T16907]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  805.806149][T16907]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  805.806152][T16907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  805.806156][T16907]  console_emit_next_record (kernel/printk/printk.c:3183)
[  805.806160][T16907]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  805.806164][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806166][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806168][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806170][T16907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  805.806173][T16907]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  805.806177][T16907]  console_flush_one_record (kernel/printk/printk.c:3268)
[  805.806181][T16907]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  805.806185][T16907]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  805.806188][T16907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  805.806191][T16907]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  805.806194][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806196][T16907]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  805.806198][T16907]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  805.806201][T16907]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  805.806204][T16907]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  805.806207][T16907]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  805.806210][T16907]  vprintk_emit (kernel/printk/printk.c:2479)
[  805.806213][T16907]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  805.806215][T16907]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  805.806219][T16907]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  805.806223][T16907]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  805.806228][T16907]  _printk (kernel/printk/printk.c:2504)
[  805.806232][T16907]  ? snapshot_read.cold (user.c:?)
[  805.806235][T16907]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  805.806239][T16907]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  805.806243][T16907]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  805.806246][T16907]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  805.806251][T16907]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  805.806254][T16907]  ? netdev_notice (net/core/dev.c:13194)
[  805.806258][T16907]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  805.806261][T16907]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  805.806264][T16907]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  805.806267][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806269][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806271][T16907]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  805.806273][T16907]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  805.806276][T16907]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  805.806279][T16907]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  805.806281][T16907]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  805.806285][T16907]  ? register_netdev (net/core/dev.c:11618)
[  805.806287][T16907]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  805.806291][T16907]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  805.806295][T16907]  ? __kernel_text_address (kernel/extable.c:79)
[  805.806298][T16907]  ? write_profile (profile.c:?)
[  805.806303][T16907]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  805.806308][T16907]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  805.806311][T16907]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  805.806314][T16907]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  805.806316][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806319][T16907]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  805.806324][T16907]  ? kasan_save_stack (mm/kasan/common.c:58)
[  805.806327][T16907]  ? kasan_save_stack (mm/kasan/common.c:57)
[  805.806328][T16907]  ? kasan_save_track (mm/kasan/common.c:78)
[  805.806331][T16907]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  805.806333][T16907]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  805.806335][T16907]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  805.806338][T16907]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  805.806340][T16907]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  805.806344][T16907]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  805.806346][T16907]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  805.806349][T16907]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  805.806353][T16907]  ? ____sys_sendmsg (net/socket.c:2713)
[  805.806355][T16907]  ? ___sys_sendmsg (net/socket.c:2767)
[  805.806358][T16907]  ? __sys_sendmsg (net/socket.c:2799)
[  805.806361][T16907]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  805.806364][T16907]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  805.806368][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806371][T16907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  805.806373][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806375][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806378][T16907]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  805.806380][T16907]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  805.806383][T16907]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  805.806385][T16907]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  805.806388][T16907]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  805.806390][T16907]  ? nla_get_range_signed (lib/nlattr.c:270)
[  805.806395][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806397][T16907]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  805.806401][T16907]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  805.806405][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806407][T16907]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  805.806409][T16907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  805.806411][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806414][T16907]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  805.806418][T16907]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  805.806421][T16907]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  805.806423][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806426][T16907]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  805.806431][T16907]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  805.806434][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806437][T16907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  805.806440][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806442][T16907]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  805.806445][T16907]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  805.806448][T16907]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  805.806450][T16907]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  805.806453][T16907]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  805.806458][T16907]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  805.806460][T16907]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  805.806463][T16907]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  805.806466][T16907]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  805.806469][T16907]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  805.806473][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806482][T16907]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  805.806486][T16907]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  805.806490][T16907]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  805.806493][T16907]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  805.806497][T16907]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  805.806501][T16907]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  805.806503][T16907]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  805.806506][T16907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  805.806509][T16907]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  805.806514][T16907]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  805.806518][T16907]  ____sys_sendmsg (net/socket.c:2713)
[  805.806521][T16907]  ? copy_msghdr_from_user (net/socket.c:2650)
[  805.806524][T16907]  ? sock_write_iter (net/socket.c:1269)
[  805.806526][T16907]  ? move_addr_to_kernel (net/socket.c:258)
[  805.806529][T16907]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  805.806534][T16907]  ___sys_sendmsg (net/socket.c:2767)
[  805.806537][T16907]  ? copy_msghdr_from_user (net/socket.c:2619)
[  805.806546][T16907]  __sys_sendmsg (net/socket.c:2799)
[  805.806549][T16907]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  805.806554][T16907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  805.806557][T16907]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  805.806560][T16907]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  805.806563][T16907]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  805.806565][T16907] RIP: 0033:0x7f9d4442d54e
[  805.806568][T16907] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  805.806571][T16907] RSP: 002b:00007ffc96bf8760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  805.806576][T16907] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9d4442d54e
[  805.806578][T16907] RDX: 0000000000000000 RSI: 00007ffc96bf8810 RDI: 0000000000000005
[  805.806580][T16907] RBP: 00007ffc96bf8770 R08: 0000000000000000 R09: 0000000000000000
[  805.806582][T16907] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cd4
[  805.806584][T16907] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc96bf8ed0
| [  807.538799][T16982] softirqs last disabled at (0): 0x0
| [  807.538801][T16982] Preemption disabled at:
| [  807.538802][T16982] vprintk_emit (kernel/printk/printk.c:2471)
| [  807.538816][T16982] Tainted: [W]=WARN
[  807.538817][T16982] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  807.538820][T16982] Call Trace:
[  807.538822][T16982]  <TASK>
[  807.538824][T16982]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  807.538831][T16982]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  807.538833][T16982]  __might_resched.cold (kernel/sched/core.c:9234)
[  807.538838][T16982]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  807.538841][T16982]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  807.538845][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.538849][T16982]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  807.538853][T16982]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  807.538857][T16982]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  807.538863][T16982]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  807.538866][T16982]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  807.538870][T16982]  put_chars (drivers/char/virtio_console.c:1176)
[  807.538872][T16982]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  807.538875][T16982]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  807.538879][T16982]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  807.538886][T16982]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  807.538888][T16982]  ? vsnprintf (lib/vsprintf.c:2900)
[  807.538893][T16982]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  807.538896][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.538898][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.538901][T16982]  console_emit_next_record (kernel/printk/printk.c:3183)
[  807.538905][T16982]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  807.538909][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.538910][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.538913][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.538915][T16982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  807.538918][T16982]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  807.538921][T16982]  console_flush_one_record (kernel/printk/printk.c:3268)
[  807.538924][T16982]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  807.538929][T16982]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  807.538931][T16982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  807.538934][T16982]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  807.538936][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.538938][T16982]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  807.538940][T16982]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  807.538943][T16982]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  807.538945][T16982]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  807.538948][T16982]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  807.538950][T16982]  vprintk_emit (kernel/printk/printk.c:2479)
[  807.538953][T16982]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  807.538955][T16982]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  807.538958][T16982]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  807.538962][T16982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  807.538964][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.538967][T16982]  _printk (kernel/printk/printk.c:2504)
[  807.538971][T16982]  ? snapshot_read.cold (user.c:?)
[  807.538975][T16982]  ? br_multicast_flood (??:?)
[  807.538979][T16982]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  807.538983][T16982]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  807.538985][T16982]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  807.538988][T16982]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  807.538992][T16982]  br_init_port (net/bridge/br_stp_if.c:39)
[  807.538995][T16982]  new_nbp (net/bridge/br_if.c:449)
[  807.538999][T16982]  br_add_if (net/bridge/br_if.c:592)
[  807.539001][T16982]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  807.539007][T16982]  do_set_master (net/core/rtnetlink.c:3071)
[  807.539010][T16982]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  807.539013][T16982]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  807.539015][T16982]  ? __dev_get_by_name (net/core/dev.c:905)
[  807.539018][T16982]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  807.539023][T16982]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  807.539028][T16982]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  807.539031][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.539033][T16982]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  807.539035][T16982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  807.539038][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.539040][T16982]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  807.539044][T16982]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  807.539047][T16982]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  807.539051][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.539053][T16982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  807.539056][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.539058][T16982]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  807.539061][T16982]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  807.539064][T16982]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  807.539066][T16982]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  807.539071][T16982]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  807.539077][T16982]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  807.539082][T16982]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  807.539085][T16982]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  807.539087][T16982]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  807.539089][T16982]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  807.539094][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.539096][T16982]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  807.539099][T16982]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  807.539102][T16982]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  807.539105][T16982]  ? next_uptodate_folio (mm/filemap.c:3747)
[  807.539110][T16982]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  807.539113][T16982]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  807.539116][T16982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  807.539118][T16982]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  807.539123][T16982]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  807.539127][T16982]  ____sys_sendmsg (net/socket.c:2713)
[  807.539130][T16982]  ? copy_msghdr_from_user (net/socket.c:2650)
[  807.539133][T16982]  ? sock_write_iter (net/socket.c:1269)
[  807.539136][T16982]  ? move_addr_to_kernel (net/socket.c:258)
[  807.539139][T16982]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  807.539143][T16982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  807.539146][T16982]  ___sys_sendmsg (net/socket.c:2767)
[  807.539149][T16982]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  807.539152][T16982]  ? copy_msghdr_from_user (net/socket.c:2619)
[  807.539154][T16982]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  807.539162][T16982]  __sys_sendmsg (net/socket.c:2799)
[  807.539165][T16982]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  807.539169][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.539171][T16982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  807.539174][T16982]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  807.539177][T16982]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  807.539180][T16982]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  807.539184][T16982] RIP: 0033:0x7f8367f1d54e
[  807.539186][T16982] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  807.539189][T16982] RSP: 002b:00007ffe819f29b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  807.539194][T16982] RAX: ffffffffffffffda RBX: 00007ffe819f3178 RCX: 00007f8367f1d54e
[  807.539196][T16982] RDX: 0000000000000000 RSI: 00007ffe819f2a60 RDI: 0000000000000005
[  807.539198][T16982] RBP: 00007ffe819f29c0 R08: 0000000000000000 R09: 0000000000000000
[  807.539199][T16982] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cd5
[  807.539201][T16982] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe819f3130
| [  808.657520][T17021] softirqs last disabled at (0): 0x0
| [  808.657523][T17021] Preemption disabled at:
| [  808.657524][T17021] vprintk_emit (kernel/printk/printk.c:2471)
| [  808.657538][T17021] Tainted: [W]=WARN
[  808.657539][T17021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  808.657542][T17021] Call Trace:
[  808.657543][T17021]  <TASK>
[  808.657546][T17021]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  808.657552][T17021]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  808.657555][T17021]  __might_resched.cold (kernel/sched/core.c:9234)
[  808.657560][T17021]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  808.657564][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657568][T17021]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  808.657572][T17021]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  808.657575][T17021]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  808.657582][T17021]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  808.657585][T17021]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  808.657589][T17021]  put_chars (drivers/char/virtio_console.c:1176)
[  808.657592][T17021]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  808.657594][T17021]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  808.657598][T17021]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  808.657602][T17021]  ? pointer (lib/vsprintf.c:2577)
[  808.657607][T17021]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  808.657613][T17021]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  808.657616][T17021]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  808.657619][T17021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  808.657622][T17021]  console_emit_next_record (kernel/printk/printk.c:3183)
[  808.657626][T17021]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  808.657629][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657631][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657633][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657635][T17021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  808.657638][T17021]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  808.657641][T17021]  console_flush_one_record (kernel/printk/printk.c:3268)
[  808.657645][T17021]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  808.657649][T17021]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  808.657652][T17021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  808.657654][T17021]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  808.657657][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657659][T17021]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  808.657661][T17021]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  808.657664][T17021]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  808.657667][T17021]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  808.657670][T17021]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  808.657673][T17021]  vprintk_emit (kernel/printk/printk.c:2479)
[  808.657676][T17021]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  808.657678][T17021]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  808.657682][T17021]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  808.657686][T17021]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  808.657690][T17021]  _printk (kernel/printk/printk.c:2504)
[  808.657694][T17021]  ? snapshot_read.cold (user.c:?)
[  808.657697][T17021]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  808.657700][T17021]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  808.657704][T17021]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  808.657707][T17021]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  808.657711][T17021]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  808.657714][T17021]  ? netdev_notice (net/core/dev.c:13194)
[  808.657717][T17021]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  808.657720][T17021]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  808.657723][T17021]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  808.657726][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657727][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657729][T17021]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  808.657731][T17021]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  808.657734][T17021]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  808.657736][T17021]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  808.657739][T17021]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  808.657742][T17021]  ? register_netdev (net/core/dev.c:11618)
[  808.657745][T17021]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  808.657748][T17021]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  808.657752][T17021]  ? __kernel_text_address (kernel/extable.c:79)
[  808.657756][T17021]  ? write_profile (profile.c:?)
[  808.657760][T17021]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  808.657765][T17021]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  808.657768][T17021]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  808.657771][T17021]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  808.657773][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657775][T17021]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  808.657779][T17021]  ? kasan_save_stack (mm/kasan/common.c:58)
[  808.657782][T17021]  ? kasan_save_stack (mm/kasan/common.c:57)
[  808.657784][T17021]  ? kasan_save_track (mm/kasan/common.c:78)
[  808.657786][T17021]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  808.657788][T17021]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  808.657789][T17021]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  808.657791][T17021]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  808.657793][T17021]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  808.657797][T17021]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  808.657799][T17021]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  808.657802][T17021]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  808.657805][T17021]  ? ____sys_sendmsg (net/socket.c:2713)
[  808.657807][T17021]  ? ___sys_sendmsg (net/socket.c:2767)
[  808.657809][T17021]  ? __sys_sendmsg (net/socket.c:2799)
[  808.657812][T17021]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  808.657815][T17021]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  808.657820][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657822][T17021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  808.657825][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657827][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657829][T17021]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  808.657832][T17021]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  808.657834][T17021]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  808.657837][T17021]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  808.657840][T17021]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  808.657842][T17021]  ? nla_get_range_signed (lib/nlattr.c:270)
[  808.657846][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657849][T17021]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  808.657852][T17021]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  808.657855][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657857][T17021]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  808.657859][T17021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  808.657862][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657864][T17021]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  808.657867][T17021]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  808.657869][T17021]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  808.657871][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657873][T17021]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  808.657877][T17021]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  808.657880][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657883][T17021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  808.657886][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657888][T17021]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  808.657891][T17021]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  808.657894][T17021]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  808.657896][T17021]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  808.657899][T17021]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  808.657903][T17021]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  808.657906][T17021]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  808.657909][T17021]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  808.657912][T17021]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  808.657914][T17021]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  808.657919][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657921][T17021]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  808.657925][T17021]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  808.657928][T17021]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  808.657931][T17021]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  808.657934][T17021]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  808.657937][T17021]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  808.657940][T17021]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  808.657942][T17021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  808.657945][T17021]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  808.657949][T17021]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  808.657952][T17021]  ____sys_sendmsg (net/socket.c:2713)
[  808.657955][T17021]  ? copy_msghdr_from_user (net/socket.c:2650)
[  808.657957][T17021]  ? sock_write_iter (net/socket.c:1269)
[  808.657959][T17021]  ? move_addr_to_kernel (net/socket.c:258)
[  808.657962][T17021]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  808.657966][T17021]  ___sys_sendmsg (net/socket.c:2767)
[  808.657969][T17021]  ? copy_msghdr_from_user (net/socket.c:2619)
[  808.657977][T17021]  __sys_sendmsg (net/socket.c:2799)
[  808.657980][T17021]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  808.657985][T17021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  808.657988][T17021]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  808.657991][T17021]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  808.657994][T17021]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  808.657997][T17021] RIP: 0033:0x7f53b793254e
[  808.658000][T17021] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  808.658003][T17021] RSP: 002b:00007ffd4715c590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  808.658007][T17021] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f53b793254e
[  808.658009][T17021] RDX: 0000000000000000 RSI: 00007ffd4715c640 RDI: 0000000000000005
[  808.658011][T17021] RBP: 00007ffd4715c5a0 R08: 0000000000000000 R09: 0000000000000000
[  808.658013][T17021] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cd7
[  808.658014][T17021] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4715cd00
| [  810.299767][T17071] softirqs last disabled at (0): 0x0
| [  810.299770][T17071] Preemption disabled at:
| [  810.299771][T17071] vprintk_emit (kernel/printk/printk.c:2471)
| [  810.299784][T17071] Tainted: [W]=WARN
[  810.299786][T17071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  810.299788][T17071] Call Trace:
[  810.299791][T17071]  <TASK>
[  810.299793][T17071]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  810.299799][T17071]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  810.299802][T17071]  __might_resched.cold (kernel/sched/core.c:9234)
[  810.299807][T17071]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  810.299810][T17071]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  810.299814][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.299818][T17071]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  810.299821][T17071]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  810.299825][T17071]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  810.299831][T17071]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  810.299834][T17071]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  810.299837][T17071]  put_chars (drivers/char/virtio_console.c:1176)
[  810.299840][T17071]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  810.299843][T17071]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  810.299846][T17071]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  810.299853][T17071]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  810.299856][T17071]  ? vsnprintf (lib/vsprintf.c:2900)
[  810.299860][T17071]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  810.299863][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.299865][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.299868][T17071]  console_emit_next_record (kernel/printk/printk.c:3183)
[  810.299872][T17071]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  810.299876][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.299878][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.299880][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.299882][T17071]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.299887][T17071]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  810.299890][T17071]  console_flush_one_record (kernel/printk/printk.c:3268)
[  810.299894][T17071]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  810.299898][T17071]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  810.299900][T17071]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.299903][T17071]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  810.299906][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.299908][T17071]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  810.299910][T17071]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  810.299913][T17071]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  810.299915][T17071]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  810.299918][T17071]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  810.299921][T17071]  vprintk_emit (kernel/printk/printk.c:2479)
[  810.299924][T17071]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  810.299925][T17071]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  810.299928][T17071]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  810.299932][T17071]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.299934][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.299937][T17071]  _printk (kernel/printk/printk.c:2504)
[  810.299941][T17071]  ? snapshot_read.cold (user.c:?)
[  810.299945][T17071]  ? br_multicast_flood (??:?)
[  810.299949][T17071]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  810.299953][T17071]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  810.299955][T17071]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  810.299958][T17071]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  810.299962][T17071]  br_init_port (net/bridge/br_stp_if.c:39)
[  810.299964][T17071]  new_nbp (net/bridge/br_if.c:449)
[  810.299968][T17071]  br_add_if (net/bridge/br_if.c:592)
[  810.299970][T17071]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  810.299976][T17071]  do_set_master (net/core/rtnetlink.c:3071)
[  810.299980][T17071]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  810.299983][T17071]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  810.299985][T17071]  ? __dev_get_by_name (net/core/dev.c:905)
[  810.299988][T17071]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  810.299993][T17071]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  810.299997][T17071]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  810.300001][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.300003][T17071]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  810.300005][T17071]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.300008][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.300010][T17071]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  810.300014][T17071]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  810.300017][T17071]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  810.300021][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.300023][T17071]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.300025][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.300027][T17071]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  810.300030][T17071]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  810.300033][T17071]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  810.300035][T17071]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  810.300037][T17071]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  810.300043][T17071]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  810.300047][T17071]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  810.300050][T17071]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  810.300052][T17071]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  810.300055][T17071]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  810.300059][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.300061][T17071]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  810.300064][T17071]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  810.300070][T17071]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  810.300073][T17071]  ? next_uptodate_folio (mm/filemap.c:3747)
[  810.300079][T17071]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  810.300084][T17071]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  810.300087][T17071]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.300089][T17071]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  810.300094][T17071]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  810.300098][T17071]  ____sys_sendmsg (net/socket.c:2713)
[  810.300100][T17071]  ? copy_msghdr_from_user (net/socket.c:2650)
[  810.300104][T17071]  ? sock_write_iter (net/socket.c:1269)
[  810.300106][T17071]  ? move_addr_to_kernel (net/socket.c:258)
[  810.300110][T17071]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  810.300114][T17071]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.300117][T17071]  ___sys_sendmsg (net/socket.c:2767)
[  810.300119][T17071]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  810.300122][T17071]  ? copy_msghdr_from_user (net/socket.c:2619)
[  810.300125][T17071]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  810.300132][T17071]  __sys_sendmsg (net/socket.c:2799)
[  810.300135][T17071]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  810.300139][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.300141][T17071]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.300144][T17071]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  810.300147][T17071]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  810.300150][T17071]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  810.300153][T17071] RIP: 0033:0x7f8aca25954e
[  810.300156][T17071] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  810.300158][T17071] RSP: 002b:00007ffc908186e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  810.300163][T17071] RAX: ffffffffffffffda RBX: 00007ffc90818ea8 RCX: 00007f8aca25954e
[  810.300165][T17071] RDX: 0000000000000000 RSI: 00007ffc90818790 RDI: 0000000000000005
[  810.300167][T17071] RBP: 00007ffc908186f0 R08: 0000000000000000 R09: 0000000000000000
[  810.300168][T17071] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cd8
[  810.300170][T17071] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc90818e60
| [  846.000308][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  846.000311][   T12] Preemption disabled at:
| [  846.000312][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  846.000321][   T12] Tainted: [W]=WARN
[  846.000322][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  846.000324][   T12] Workqueue: netns cleanup_net
[  846.000331][   T12] Call Trace:
[  846.000332][   T12]  <TASK>
[  846.000334][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  846.000340][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  846.000342][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  846.000345][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  846.000347][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  846.000350][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.000353][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  846.000356][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  846.000359][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  846.000363][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  846.000366][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  846.000368][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  846.000370][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  846.000372][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  846.000374][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  846.000379][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  846.000381][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  846.000384][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  846.000386][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.000387][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.000389][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  846.000392][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  846.000394][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.000395][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.000396][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.000397][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  846.000400][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  846.000402][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  846.000404][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  846.000407][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  846.000409][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  846.000411][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  846.000413][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.000414][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  846.000415][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  846.000417][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  846.000418][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  846.000420][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  846.000422][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  846.000424][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  846.000425][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  846.000427][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  846.000430][   T12]  ? kthread (kernel/kthread.c:436)
[  846.000432][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  846.000435][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  846.000437][   T12]  _printk (kernel/printk/printk.c:2504)
[  846.000440][   T12]  ? snapshot_read.cold (user.c:?)
[  846.000443][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  846.000446][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  846.000448][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  846.000451][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  846.000453][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.000454][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  846.000456][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  846.000459][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  846.000461][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  846.000462][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  846.000465][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  846.000467][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  846.000472][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  846.000474][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  846.000476][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  846.000478][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  846.000480][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  846.000483][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  846.000485][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  846.000488][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  846.000489][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.000491][   T12]  process_one_work (kernel/workqueue.c:3387)
[  846.000494][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  846.000497][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  846.000499][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  846.000502][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  846.000504][   T12]  kthread (kernel/kthread.c:436)
[  846.000506][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  846.000508][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  846.000510][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  846.000512][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  846.000514][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  846.000517][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  846.000519][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  847.125690][T18604] softirqs last disabled at (0): 0x0
| [  847.125692][T18604] Preemption disabled at:
| [  847.125693][T18604] vprintk_emit (kernel/printk/printk.c:2471)
| [  847.125707][T18604] Tainted: [W]=WARN
[  847.125708][T18604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  847.125711][T18604] Call Trace:
[  847.125713][T18604]  <TASK>
[  847.125715][T18604]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  847.125727][T18604]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  847.125729][T18604]  __might_resched.cold (kernel/sched/core.c:9234)
[  847.125734][T18604]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  847.125738][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.125742][T18604]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  847.125746][T18604]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  847.125750][T18604]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  847.125757][T18604]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  847.125759][T18604]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  847.125763][T18604]  put_chars (drivers/char/virtio_console.c:1176)
[  847.125766][T18604]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  847.125768][T18604]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  847.125772][T18604]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  847.125775][T18604]  ? pointer (lib/vsprintf.c:2577)
[  847.125780][T18604]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  847.125787][T18604]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  847.125789][T18604]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  847.125792][T18604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.125796][T18604]  console_emit_next_record (kernel/printk/printk.c:3183)
[  847.125799][T18604]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  847.125803][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.125804][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.125806][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.125808][T18604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.125811][T18604]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  847.125814][T18604]  console_flush_one_record (kernel/printk/printk.c:3268)
[  847.125817][T18604]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  847.125821][T18604]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  847.125824][T18604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.125827][T18604]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  847.125829][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.125831][T18604]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  847.125833][T18604]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  847.125836][T18604]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  847.125838][T18604]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  847.125841][T18604]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  847.125844][T18604]  vprintk_emit (kernel/printk/printk.c:2479)
[  847.125848][T18604]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  847.125850][T18604]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  847.125853][T18604]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  847.125858][T18604]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  847.125861][T18604]  _printk (kernel/printk/printk.c:2504)
[  847.125865][T18604]  ? snapshot_read.cold (user.c:?)
[  847.125868][T18604]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  847.125871][T18604]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  847.125875][T18604]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  847.125878][T18604]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  847.125883][T18604]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  847.125887][T18604]  ? netdev_notice (net/core/dev.c:13194)
[  847.125891][T18604]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  847.125893][T18604]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  847.125897][T18604]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  847.125899][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.125901][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.125903][T18604]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  847.125905][T18604]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  847.125908][T18604]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  847.125910][T18604]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  847.125913][T18604]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  847.125916][T18604]  ? register_netdev (net/core/dev.c:11618)
[  847.125918][T18604]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  847.125921][T18604]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  847.125925][T18604]  ? __kernel_text_address (kernel/extable.c:79)
[  847.125929][T18604]  ? write_profile (profile.c:?)
[  847.125932][T18604]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  847.125937][T18604]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  847.125940][T18604]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  847.125943][T18604]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  847.125945][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.125947][T18604]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  847.125951][T18604]  ? kasan_save_stack (mm/kasan/common.c:58)
[  847.125954][T18604]  ? kasan_save_stack (mm/kasan/common.c:57)
[  847.125956][T18604]  ? kasan_save_track (mm/kasan/common.c:78)
[  847.125957][T18604]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  847.125959][T18604]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  847.125961][T18604]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  847.125963][T18604]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  847.125965][T18604]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  847.125969][T18604]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  847.125971][T18604]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  847.125974][T18604]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  847.125977][T18604]  ? ____sys_sendmsg (net/socket.c:2713)
[  847.125980][T18604]  ? ___sys_sendmsg (net/socket.c:2767)
[  847.125982][T18604]  ? __sys_sendmsg (net/socket.c:2799)
[  847.125985][T18604]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  847.125988][T18604]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  847.125993][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.125995][T18604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.125998][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.125999][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.126001][T18604]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  847.126004][T18604]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  847.126006][T18604]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  847.126008][T18604]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  847.126011][T18604]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  847.126012][T18604]  ? nla_get_range_signed (lib/nlattr.c:270)
[  847.126017][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.126019][T18604]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  847.126023][T18604]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  847.126026][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.126028][T18604]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  847.126030][T18604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.126032][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.126034][T18604]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  847.126037][T18604]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  847.126040][T18604]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  847.126042][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.126045][T18604]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  847.126049][T18604]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  847.126052][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.126055][T18604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.126057][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.126060][T18604]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  847.126062][T18604]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  847.126065][T18604]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  847.126069][T18604]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  847.126072][T18604]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  847.126076][T18604]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  847.126080][T18604]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  847.126083][T18604]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  847.126086][T18604]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  847.126088][T18604]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  847.126093][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.126094][T18604]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  847.126098][T18604]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  847.126101][T18604]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  847.126104][T18604]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  847.126107][T18604]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  847.126110][T18604]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  847.126112][T18604]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  847.126115][T18604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.126118][T18604]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  847.126123][T18604]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  847.126126][T18604]  ____sys_sendmsg (net/socket.c:2713)
[  847.126129][T18604]  ? copy_msghdr_from_user (net/socket.c:2650)
[  847.126132][T18604]  ? sock_write_iter (net/socket.c:1269)
[  847.126134][T18604]  ? move_addr_to_kernel (net/socket.c:258)
[  847.126136][T18604]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  847.126141][T18604]  ___sys_sendmsg (net/socket.c:2767)
[  847.126143][T18604]  ? copy_msghdr_from_user (net/socket.c:2619)
[  847.126151][T18604]  __sys_sendmsg (net/socket.c:2799)
[  847.126154][T18604]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  847.126159][T18604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.126161][T18604]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  847.126164][T18604]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  847.126167][T18604]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  847.126170][T18604] RIP: 0033:0x7f2df6fe254e
[  847.126172][T18604] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  847.126175][T18604] RSP: 002b:00007ffec4916af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  847.126180][T18604] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2df6fe254e
[  847.126182][T18604] RDX: 0000000000000000 RSI: 00007ffec4916ba0 RDI: 0000000000000005
[  847.126184][T18604] RBP: 00007ffec4916b00 R08: 0000000000000000 R09: 0000000000000000
[  847.126185][T18604] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cfd
[  847.126187][T18604] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec4917260
| [  848.793030][T18679] softirqs last disabled at (0): 0x0
| [  848.793033][T18679] Preemption disabled at:
| [  848.793034][T18679] vprintk_emit (kernel/printk/printk.c:2471)
| [  848.793047][T18679] Tainted: [W]=WARN
[  848.793048][T18679] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  848.793051][T18679] Call Trace:
[  848.793053][T18679]  <TASK>
[  848.793055][T18679]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  848.793062][T18679]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  848.793064][T18679]  __might_resched.cold (kernel/sched/core.c:9234)
[  848.793071][T18679]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  848.793074][T18679]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  848.793079][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793084][T18679]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  848.793089][T18679]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  848.793092][T18679]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  848.793098][T18679]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  848.793101][T18679]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  848.793105][T18679]  put_chars (drivers/char/virtio_console.c:1176)
[  848.793107][T18679]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  848.793110][T18679]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  848.793114][T18679]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  848.793121][T18679]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  848.793123][T18679]  ? vsnprintf (lib/vsprintf.c:2900)
[  848.793128][T18679]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  848.793131][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793133][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793136][T18679]  console_emit_next_record (kernel/printk/printk.c:3183)
[  848.793140][T18679]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  848.793144][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793146][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793148][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793150][T18679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.793153][T18679]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  848.793156][T18679]  console_flush_one_record (kernel/printk/printk.c:3268)
[  848.793160][T18679]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  848.793164][T18679]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  848.793166][T18679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.793169][T18679]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  848.793171][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793173][T18679]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  848.793176][T18679]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  848.793178][T18679]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  848.793180][T18679]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  848.793183][T18679]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  848.793186][T18679]  vprintk_emit (kernel/printk/printk.c:2479)
[  848.793189][T18679]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  848.793191][T18679]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  848.793193][T18679]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  848.793197][T18679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.793200][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793203][T18679]  _printk (kernel/printk/printk.c:2504)
[  848.793207][T18679]  ? snapshot_read.cold (user.c:?)
[  848.793210][T18679]  ? br_multicast_flood (??:?)
[  848.793215][T18679]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  848.793219][T18679]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  848.793221][T18679]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  848.793224][T18679]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  848.793228][T18679]  br_init_port (net/bridge/br_stp_if.c:39)
[  848.793231][T18679]  new_nbp (net/bridge/br_if.c:449)
[  848.793234][T18679]  br_add_if (net/bridge/br_if.c:592)
[  848.793236][T18679]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  848.793242][T18679]  do_set_master (net/core/rtnetlink.c:3071)
[  848.793245][T18679]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  848.793248][T18679]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  848.793251][T18679]  ? __dev_get_by_name (net/core/dev.c:905)
[  848.793253][T18679]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  848.793259][T18679]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  848.793263][T18679]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  848.793266][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793268][T18679]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  848.793270][T18679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.793273][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793275][T18679]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  848.793279][T18679]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  848.793282][T18679]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  848.793286][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793288][T18679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.793291][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793293][T18679]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  848.793296][T18679]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  848.793299][T18679]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  848.793301][T18679]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  848.793303][T18679]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  848.793308][T18679]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  848.793312][T18679]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  848.793315][T18679]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  848.793317][T18679]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  848.793320][T18679]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  848.793324][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793326][T18679]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  848.793330][T18679]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  848.793333][T18679]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  848.793336][T18679]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  848.793340][T18679]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  848.793343][T18679]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  848.793347][T18679]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  848.793350][T18679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.793353][T18679]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  848.793357][T18679]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  848.793361][T18679]  ____sys_sendmsg (net/socket.c:2713)
[  848.793364][T18679]  ? copy_msghdr_from_user (net/socket.c:2650)
[  848.793367][T18679]  ? sock_write_iter (net/socket.c:1269)
[  848.793370][T18679]  ? move_addr_to_kernel (net/socket.c:258)
[  848.793373][T18679]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  848.793377][T18679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.793380][T18679]  ___sys_sendmsg (net/socket.c:2767)
[  848.793383][T18679]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  848.793385][T18679]  ? copy_msghdr_from_user (net/socket.c:2619)
[  848.793388][T18679]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  848.793396][T18679]  __sys_sendmsg (net/socket.c:2799)
[  848.793399][T18679]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  848.793403][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793405][T18679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.793407][T18679]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  848.793411][T18679]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  848.793413][T18679]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  848.793416][T18679] RIP: 0033:0x7fc869be054e
[  848.793420][T18679] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  848.793422][T18679] RSP: 002b:00007ffe3f9a0b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  848.793427][T18679] RAX: ffffffffffffffda RBX: 00007ffe3f9a12f8 RCX: 00007fc869be054e
[  848.793429][T18679] RDX: 0000000000000000 RSI: 00007ffe3f9a0be0 RDI: 0000000000000005
[  848.793431][T18679] RBP: 00007ffe3f9a0b40 R08: 0000000000000000 R09: 0000000000000000
[  848.793432][T18679] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917cff
[  848.793434][T18679] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3f9a12b0
| [  849.867737][T18718] softirqs last disabled at (0): 0x0
| [  849.867745][T18718] Preemption disabled at:
| [  849.867746][T18718] vprintk_emit (kernel/printk/printk.c:2471)
| [  849.867760][T18718] Tainted: [W]=WARN
[  849.867762][T18718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  849.867764][T18718] Call Trace:
[  849.867766][T18718]  <TASK>
[  849.867768][T18718]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  849.867775][T18718]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  849.867777][T18718]  __might_resched.cold (kernel/sched/core.c:9234)
[  849.867782][T18718]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  849.867786][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.867790][T18718]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  849.867794][T18718]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  849.867798][T18718]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  849.867804][T18718]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  849.867806][T18718]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  849.867810][T18718]  put_chars (drivers/char/virtio_console.c:1176)
[  849.867813][T18718]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  849.867815][T18718]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  849.867819][T18718]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  849.867823][T18718]  ? pointer (lib/vsprintf.c:2577)
[  849.867828][T18718]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  849.867834][T18718]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  849.867837][T18718]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  849.867840][T18718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  849.867843][T18718]  console_emit_next_record (kernel/printk/printk.c:3183)
[  849.867847][T18718]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  849.867850][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.867852][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.867854][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.867856][T18718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  849.867859][T18718]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  849.867861][T18718]  console_flush_one_record (kernel/printk/printk.c:3268)
[  849.867865][T18718]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  849.867869][T18718]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  849.867872][T18718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  849.867874][T18718]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  849.867877][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.867878][T18718]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  849.867881][T18718]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  849.867884][T18718]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  849.867887][T18718]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  849.867891][T18718]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  849.867893][T18718]  vprintk_emit (kernel/printk/printk.c:2479)
[  849.867897][T18718]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  849.867899][T18718]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  849.867903][T18718]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  849.867907][T18718]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  849.867911][T18718]  _printk (kernel/printk/printk.c:2504)
[  849.867915][T18718]  ? snapshot_read.cold (user.c:?)
[  849.867918][T18718]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  849.867921][T18718]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  849.867925][T18718]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  849.867928][T18718]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  849.867932][T18718]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  849.867935][T18718]  ? netdev_notice (net/core/dev.c:13194)
[  849.867938][T18718]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  849.867940][T18718]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  849.867944][T18718]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  849.867946][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.867948][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.867950][T18718]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  849.867952][T18718]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  849.867954][T18718]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  849.867957][T18718]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  849.867959][T18718]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  849.867962][T18718]  ? register_netdev (net/core/dev.c:11618)
[  849.867964][T18718]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  849.867967][T18718]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  849.867970][T18718]  ? __kernel_text_address (kernel/extable.c:79)
[  849.867974][T18718]  ? write_profile (profile.c:?)
[  849.867978][T18718]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  849.867983][T18718]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  849.867987][T18718]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  849.867989][T18718]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  849.867992][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.867994][T18718]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  849.867999][T18718]  ? kasan_save_stack (mm/kasan/common.c:58)
[  849.868002][T18718]  ? kasan_save_stack (mm/kasan/common.c:57)
[  849.868004][T18718]  ? kasan_save_track (mm/kasan/common.c:78)
[  849.868006][T18718]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  849.868008][T18718]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  849.868010][T18718]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  849.868013][T18718]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  849.868015][T18718]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  849.868019][T18718]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  849.868021][T18718]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  849.868024][T18718]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  849.868027][T18718]  ? ____sys_sendmsg (net/socket.c:2713)
[  849.868029][T18718]  ? ___sys_sendmsg (net/socket.c:2767)
[  849.868031][T18718]  ? __sys_sendmsg (net/socket.c:2799)
[  849.868034][T18718]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  849.868037][T18718]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  849.868041][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.868044][T18718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  849.868046][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.868048][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.868050][T18718]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  849.868052][T18718]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  849.868055][T18718]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  849.868057][T18718]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  849.868060][T18718]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  849.868062][T18718]  ? nla_get_range_signed (lib/nlattr.c:270)
[  849.868071][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.868073][T18718]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  849.868077][T18718]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  849.868083][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.868085][T18718]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  849.868087][T18718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  849.868090][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.868092][T18718]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  849.868096][T18718]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  849.868098][T18718]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  849.868100][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.868102][T18718]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  849.868106][T18718]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  849.868109][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.868111][T18718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  849.868114][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.868116][T18718]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  849.868118][T18718]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  849.868121][T18718]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  849.868124][T18718]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  849.868127][T18718]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  849.868131][T18718]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  849.868134][T18718]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  849.868136][T18718]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  849.868138][T18718]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  849.868141][T18718]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  849.868145][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.868147][T18718]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  849.868150][T18718]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  849.868153][T18718]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  849.868156][T18718]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  849.868159][T18718]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  849.868163][T18718]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  849.868165][T18718]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  849.868168][T18718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  849.868170][T18718]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  849.868174][T18718]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  849.868177][T18718]  ____sys_sendmsg (net/socket.c:2713)
[  849.868179][T18718]  ? copy_msghdr_from_user (net/socket.c:2650)
[  849.868182][T18718]  ? sock_write_iter (net/socket.c:1269)
[  849.868184][T18718]  ? move_addr_to_kernel (net/socket.c:258)
[  849.868187][T18718]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  849.868192][T18718]  ___sys_sendmsg (net/socket.c:2767)
[  849.868195][T18718]  ? copy_msghdr_from_user (net/socket.c:2619)
[  849.868203][T18718]  __sys_sendmsg (net/socket.c:2799)
[  849.868207][T18718]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  849.868211][T18718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.868214][T18718]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  849.868216][T18718]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  849.868219][T18718]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  849.868222][T18718] RIP: 0033:0x7fe809c7254e
[  849.868224][T18718] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  849.868227][T18718] RSP: 002b:00007ffe6dbef800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  849.868232][T18718] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe809c7254e
[  849.868234][T18718] RDX: 0000000000000000 RSI: 00007ffe6dbef8b0 RDI: 0000000000000005
[  849.868235][T18718] RBP: 00007ffe6dbef810 R08: 0000000000000000 R09: 0000000000000000
[  849.868237][T18718] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917d00
[  849.868238][T18718] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6dbeff70
| [  851.596677][T18775] softirqs last disabled at (0): 0x0
| [  851.596679][T18775] Preemption disabled at:
| [  851.596679][T18775] vprintk_emit (kernel/printk/printk.c:2471)
| [  851.596690][T18775] Tainted: [W]=WARN
[  851.596691][T18775] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  851.596693][T18775] Call Trace:
[  851.596695][T18775]  <TASK>
[  851.596696][T18775]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  851.596702][T18775]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  851.596703][T18775]  __might_resched.cold (kernel/sched/core.c:9234)
[  851.596707][T18775]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  851.596710][T18775]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  851.596713][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596716][T18775]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  851.596719][T18775]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  851.596722][T18775]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  851.596727][T18775]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  851.596729][T18775]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  851.596732][T18775]  put_chars (drivers/char/virtio_console.c:1176)
[  851.596733][T18775]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  851.596735][T18775]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  851.596738][T18775]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  851.596743][T18775]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  851.596745][T18775]  ? vsnprintf (lib/vsprintf.c:2900)
[  851.596754][T18775]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  851.596756][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596757][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596759][T18775]  console_emit_next_record (kernel/printk/printk.c:3183)
[  851.596762][T18775]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  851.596764][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596765][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596766][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596767][T18775]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.596770][T18775]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  851.596772][T18775]  console_flush_one_record (kernel/printk/printk.c:3268)
[  851.596774][T18775]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  851.596777][T18775]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  851.596779][T18775]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.596781][T18775]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  851.596783][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596784][T18775]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  851.596786][T18775]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  851.596787][T18775]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  851.596789][T18775]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  851.596791][T18775]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  851.596792][T18775]  vprintk_emit (kernel/printk/printk.c:2479)
[  851.596795][T18775]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  851.596796][T18775]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  851.596797][T18775]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  851.596800][T18775]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.596802][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596803][T18775]  _printk (kernel/printk/printk.c:2504)
[  851.596807][T18775]  ? snapshot_read.cold (user.c:?)
[  851.596809][T18775]  ? br_multicast_flood (??:?)
[  851.596812][T18775]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  851.596815][T18775]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  851.596816][T18775]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  851.596818][T18775]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  851.596821][T18775]  br_init_port (net/bridge/br_stp_if.c:39)
[  851.596823][T18775]  new_nbp (net/bridge/br_if.c:449)
[  851.596825][T18775]  br_add_if (net/bridge/br_if.c:592)
[  851.596827][T18775]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  851.596832][T18775]  do_set_master (net/core/rtnetlink.c:3071)
[  851.596834][T18775]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  851.596836][T18775]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  851.596837][T18775]  ? __dev_get_by_name (net/core/dev.c:905)
[  851.596839][T18775]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  851.596843][T18775]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  851.596845][T18775]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  851.596847][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596849][T18775]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  851.596850][T18775]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.596851][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596853][T18775]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  851.596856][T18775]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  851.596858][T18775]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  851.596860][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596861][T18775]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.596863][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596864][T18775]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  851.596866][T18775]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  851.596868][T18775]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  851.596869][T18775]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  851.596871][T18775]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  851.596875][T18775]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  851.596878][T18775]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  851.596880][T18775]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  851.596882][T18775]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  851.596884][T18775]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  851.596888][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596889][T18775]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  851.596891][T18775]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  851.596894][T18775]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  851.596896][T18775]  ? next_uptodate_folio (mm/filemap.c:3747)
[  851.596899][T18775]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  851.596902][T18775]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  851.596904][T18775]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.596905][T18775]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  851.596909][T18775]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  851.596912][T18775]  ____sys_sendmsg (net/socket.c:2713)
[  851.596914][T18775]  ? copy_msghdr_from_user (net/socket.c:2650)
[  851.596916][T18775]  ? sock_write_iter (net/socket.c:1269)
[  851.596917][T18775]  ? move_addr_to_kernel (net/socket.c:258)
[  851.596920][T18775]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  851.596922][T18775]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.596925][T18775]  ___sys_sendmsg (net/socket.c:2767)
[  851.596926][T18775]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  851.596928][T18775]  ? copy_msghdr_from_user (net/socket.c:2619)
[  851.596930][T18775]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  851.596935][T18775]  __sys_sendmsg (net/socket.c:2799)
[  851.596937][T18775]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  851.596940][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596941][T18775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.596942][T18775]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  851.596945][T18775]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  851.596947][T18775]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  851.596949][T18775] RIP: 0033:0x7fc45e9d054e
[  851.596951][T18775] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  851.596953][T18775] RSP: 002b:00007ffc4d8f6df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  851.596957][T18775] RAX: ffffffffffffffda RBX: 00007ffc4d8f75b8 RCX: 00007fc45e9d054e
[  851.596959][T18775] RDX: 0000000000000000 RSI: 00007ffc4d8f6ea0 RDI: 0000000000000005
[  851.596960][T18775] RBP: 00007ffc4d8f6e00 R08: 0000000000000000 R09: 0000000000000000
[  851.596961][T18775] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917d01
[  851.596962][T18775] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4d8f7570
| [  887.264838][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  887.264841][   T12] Preemption disabled at:
| [  887.264843][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  887.264856][   T12] Tainted: [W]=WARN
[  887.264857][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  887.264860][   T12] Workqueue: netns cleanup_net
[  887.264868][   T12] Call Trace:
[  887.264870][   T12]  <TASK>
[  887.264873][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  887.264880][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  887.264883][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  887.264888][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  887.264891][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  887.264895][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.264899][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  887.264904][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  887.264907][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  887.264913][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  887.264917][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  887.264920][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  887.264923][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  887.264926][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  887.264930][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  887.264937][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  887.264940][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  887.264944][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  887.264947][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.264949][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.264952][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  887.264957][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  887.264960][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.264970][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.264972][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.264975][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  887.264979][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  887.264982][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  887.264985][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  887.264990][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  887.264993][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  887.264996][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  887.264998][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.265001][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  887.265003][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  887.265006][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  887.265009][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  887.265011][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  887.265014][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  887.265017][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  887.265019][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  887.265022][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  887.265026][   T12]  ? kthread (kernel/kthread.c:436)
[  887.265029][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  887.265033][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  887.265037][   T12]  _printk (kernel/printk/printk.c:2504)
[  887.265041][   T12]  ? snapshot_read.cold (user.c:?)
[  887.265045][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  887.265049][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  887.265053][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  887.265056][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  887.265060][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.265062][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  887.265065][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  887.265073][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  887.265076][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  887.265080][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  887.265085][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  887.265089][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  887.265094][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  887.265097][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  887.265101][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  887.265105][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  887.265108][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  887.265112][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  887.265115][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  887.265118][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  887.265122][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  887.265125][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.265128][   T12]  process_one_work (kernel/workqueue.c:3387)
[  887.265133][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  887.265137][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  887.265141][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  887.265146][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  887.265149][   T12]  kthread (kernel/kthread.c:436)
[  887.265151][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  887.265154][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  887.265157][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  887.265160][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  887.265163][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  887.265167][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  887.265171][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  888.358987][T20300] softirqs last disabled at (0): 0x0
| [  888.358990][T20300] Preemption disabled at:
| [  888.358991][T20300] vprintk_emit (kernel/printk/printk.c:2471)
| [  888.359005][T20300] Tainted: [W]=WARN
[  888.359006][T20300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  888.359008][T20300] Call Trace:
[  888.359010][T20300]  <TASK>
[  888.359012][T20300]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  888.359018][T20300]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  888.359020][T20300]  __might_resched.cold (kernel/sched/core.c:9234)
[  888.359026][T20300]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  888.359030][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359034][T20300]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  888.359038][T20300]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  888.359042][T20300]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  888.359048][T20300]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  888.359051][T20300]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  888.359055][T20300]  put_chars (drivers/char/virtio_console.c:1176)
[  888.359058][T20300]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  888.359060][T20300]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  888.359063][T20300]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  888.359069][T20300]  ? pointer (lib/vsprintf.c:2577)
[  888.359074][T20300]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  888.359082][T20300]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  888.359085][T20300]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  888.359088][T20300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  888.359091][T20300]  console_emit_next_record (kernel/printk/printk.c:3183)
[  888.359095][T20300]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  888.359098][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359100][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359102][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359104][T20300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  888.359107][T20300]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  888.359110][T20300]  console_flush_one_record (kernel/printk/printk.c:3268)
[  888.359114][T20300]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  888.359119][T20300]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  888.359122][T20300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  888.359124][T20300]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  888.359127][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359129][T20300]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  888.359131][T20300]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  888.359134][T20300]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  888.359136][T20300]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  888.359140][T20300]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  888.359142][T20300]  vprintk_emit (kernel/printk/printk.c:2479)
[  888.359145][T20300]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  888.359147][T20300]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  888.359151][T20300]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  888.359155][T20300]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  888.359159][T20300]  _printk (kernel/printk/printk.c:2504)
[  888.359163][T20300]  ? snapshot_read.cold (user.c:?)
[  888.359166][T20300]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  888.359170][T20300]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  888.359174][T20300]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  888.359177][T20300]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  888.359182][T20300]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  888.359185][T20300]  ? netdev_notice (net/core/dev.c:13194)
[  888.359189][T20300]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  888.359191][T20300]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  888.359195][T20300]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  888.359198][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359200][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359202][T20300]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  888.359204][T20300]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  888.359207][T20300]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  888.359209][T20300]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  888.359211][T20300]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  888.359215][T20300]  ? register_netdev (net/core/dev.c:11618)
[  888.359217][T20300]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  888.359220][T20300]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  888.359224][T20300]  ? __kernel_text_address (kernel/extable.c:79)
[  888.359227][T20300]  ? write_profile (profile.c:?)
[  888.359232][T20300]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  888.359237][T20300]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  888.359240][T20300]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  888.359242][T20300]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  888.359245][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359247][T20300]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  888.359252][T20300]  ? kasan_save_stack (mm/kasan/common.c:58)
[  888.359255][T20300]  ? kasan_save_stack (mm/kasan/common.c:57)
[  888.359256][T20300]  ? kasan_save_track (mm/kasan/common.c:78)
[  888.359258][T20300]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  888.359260][T20300]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  888.359262][T20300]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  888.359264][T20300]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  888.359267][T20300]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  888.359271][T20300]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  888.359273][T20300]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  888.359275][T20300]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  888.359279][T20300]  ? ____sys_sendmsg (net/socket.c:2713)
[  888.359281][T20300]  ? ___sys_sendmsg (net/socket.c:2767)
[  888.359284][T20300]  ? __sys_sendmsg (net/socket.c:2799)
[  888.359286][T20300]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  888.359290][T20300]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  888.359294][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359296][T20300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  888.359298][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359300][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359302][T20300]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  888.359305][T20300]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  888.359307][T20300]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  888.359309][T20300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  888.359312][T20300]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  888.359314][T20300]  ? nla_get_range_signed (lib/nlattr.c:270)
[  888.359319][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359321][T20300]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  888.359325][T20300]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  888.359328][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359330][T20300]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  888.359333][T20300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  888.359335][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359338][T20300]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  888.359341][T20300]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  888.359343][T20300]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  888.359345][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359348][T20300]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  888.359352][T20300]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  888.359355][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359357][T20300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  888.359360][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359362][T20300]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  888.359364][T20300]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  888.359367][T20300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  888.359369][T20300]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  888.359372][T20300]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  888.359376][T20300]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  888.359379][T20300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  888.359381][T20300]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  888.359384][T20300]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  888.359386][T20300]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  888.359391][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359393][T20300]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  888.359396][T20300]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  888.359400][T20300]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  888.359402][T20300]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  888.359406][T20300]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  888.359409][T20300]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  888.359412][T20300]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  888.359415][T20300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  888.359417][T20300]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  888.359422][T20300]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  888.359425][T20300]  ____sys_sendmsg (net/socket.c:2713)
[  888.359427][T20300]  ? copy_msghdr_from_user (net/socket.c:2650)
[  888.359430][T20300]  ? sock_write_iter (net/socket.c:1269)
[  888.359432][T20300]  ? move_addr_to_kernel (net/socket.c:258)
[  888.359435][T20300]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  888.359439][T20300]  ___sys_sendmsg (net/socket.c:2767)
[  888.359442][T20300]  ? copy_msghdr_from_user (net/socket.c:2619)
[  888.359450][T20300]  __sys_sendmsg (net/socket.c:2799)
[  888.359453][T20300]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  888.359458][T20300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  888.359461][T20300]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  888.359463][T20300]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  888.359466][T20300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  888.359469][T20300] RIP: 0033:0x7fe788dca54e
[  888.359472][T20300] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  888.359474][T20300] RSP: 002b:00007ffe2a0878d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  888.359479][T20300] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe788dca54e
[  888.359481][T20300] RDX: 0000000000000000 RSI: 00007ffe2a087980 RDI: 0000000000000005
[  888.359483][T20300] RBP: 00007ffe2a0878e0 R08: 0000000000000000 R09: 0000000000000000
[  888.359484][T20300] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917d26
[  888.359486][T20300] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2a088040
| [  890.022437][T20375] softirqs last disabled at (0): 0x0
| [  890.022439][T20375] Preemption disabled at:
| [  890.022439][T20375] vprintk_emit (kernel/printk/printk.c:2471)
| [  890.022450][T20375] Tainted: [W]=WARN
[  890.022451][T20375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  890.022453][T20375] Call Trace:
[  890.022454][T20375]  <TASK>
[  890.022455][T20375]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  890.022461][T20375]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  890.022463][T20375]  __might_resched.cold (kernel/sched/core.c:9234)
[  890.022466][T20375]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  890.022469][T20375]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  890.022472][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022475][T20375]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  890.022478][T20375]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  890.022481][T20375]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  890.022486][T20375]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  890.022488][T20375]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  890.022491][T20375]  put_chars (drivers/char/virtio_console.c:1176)
[  890.022493][T20375]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  890.022495][T20375]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  890.022498][T20375]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  890.022503][T20375]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  890.022505][T20375]  ? vsnprintf (lib/vsprintf.c:2900)
[  890.022508][T20375]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  890.022510][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022511][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022513][T20375]  console_emit_next_record (kernel/printk/printk.c:3183)
[  890.022516][T20375]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  890.022518][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022519][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022520][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022521][T20375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  890.022524][T20375]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  890.022526][T20375]  console_flush_one_record (kernel/printk/printk.c:3268)
[  890.022529][T20375]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  890.022531][T20375]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  890.022533][T20375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  890.022535][T20375]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  890.022537][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022538][T20375]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  890.022540][T20375]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  890.022541][T20375]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  890.022543][T20375]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  890.022545][T20375]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  890.022546][T20375]  vprintk_emit (kernel/printk/printk.c:2479)
[  890.022548][T20375]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  890.022549][T20375]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  890.022551][T20375]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  890.022554][T20375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  890.022556][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022557][T20375]  _printk (kernel/printk/printk.c:2504)
[  890.022561][T20375]  ? snapshot_read.cold (user.c:?)
[  890.022563][T20375]  ? br_multicast_flood (??:?)
[  890.022566][T20375]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  890.022569][T20375]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  890.022570][T20375]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  890.022572][T20375]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  890.022575][T20375]  br_init_port (net/bridge/br_stp_if.c:39)
[  890.022577][T20375]  new_nbp (net/bridge/br_if.c:449)
[  890.022579][T20375]  br_add_if (net/bridge/br_if.c:592)
[  890.022581][T20375]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  890.022586][T20375]  do_set_master (net/core/rtnetlink.c:3071)
[  890.022588][T20375]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  890.022590][T20375]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  890.022591][T20375]  ? __dev_get_by_name (net/core/dev.c:905)
[  890.022593][T20375]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  890.022599][T20375]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  890.022603][T20375]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  890.022607][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022609][T20375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  890.022611][T20375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  890.022613][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022616][T20375]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  890.022620][T20375]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  890.022623][T20375]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  890.022626][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022628][T20375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  890.022631][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022633][T20375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  890.022635][T20375]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  890.022639][T20375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  890.022641][T20375]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  890.022643][T20375]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  890.022649][T20375]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  890.022653][T20375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  890.022656][T20375]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  890.022659][T20375]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  890.022661][T20375]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  890.022665][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022668][T20375]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  890.022671][T20375]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  890.022675][T20375]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  890.022678][T20375]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  890.022682][T20375]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  890.022686][T20375]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  890.022690][T20375]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  890.022693][T20375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  890.022696][T20375]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  890.022701][T20375]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  890.022705][T20375]  ____sys_sendmsg (net/socket.c:2713)
[  890.022708][T20375]  ? copy_msghdr_from_user (net/socket.c:2650)
[  890.022711][T20375]  ? sock_write_iter (net/socket.c:1269)
[  890.022713][T20375]  ? move_addr_to_kernel (net/socket.c:258)
[  890.022717][T20375]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  890.022720][T20375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  890.022724][T20375]  ___sys_sendmsg (net/socket.c:2767)
[  890.022726][T20375]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  890.022729][T20375]  ? copy_msghdr_from_user (net/socket.c:2619)
[  890.022732][T20375]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  890.022740][T20375]  __sys_sendmsg (net/socket.c:2799)
[  890.022743][T20375]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  890.022747][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022749][T20375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.022752][T20375]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  890.022755][T20375]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  890.022758][T20375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  890.022762][T20375] RIP: 0033:0x7f76ca20e54e
[  890.022765][T20375] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  890.022767][T20375] RSP: 002b:00007ffe06793ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  890.022772][T20375] RAX: ffffffffffffffda RBX: 00007ffe067942a8 RCX: 00007f76ca20e54e
[  890.022774][T20375] RDX: 0000000000000000 RSI: 00007ffe06793b90 RDI: 0000000000000005
[  890.022776][T20375] RBP: 00007ffe06793af0 R08: 0000000000000000 R09: 0000000000000000
[  890.022778][T20375] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917d28
[  890.022780][T20375] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe06794260
| [  891.122588][T20414] softirqs last disabled at (0): 0x0
| [  891.122591][T20414] Preemption disabled at:
| [  891.122592][T20414] vprintk_emit (kernel/printk/printk.c:2471)
| [  891.122605][T20414] Tainted: [W]=WARN
[  891.122607][T20414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  891.122609][T20414] Call Trace:
[  891.122611][T20414]  <TASK>
[  891.122613][T20414]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  891.122619][T20414]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  891.122621][T20414]  __might_resched.cold (kernel/sched/core.c:9234)
[  891.122627][T20414]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  891.122631][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122635][T20414]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  891.122640][T20414]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  891.122644][T20414]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  891.122650][T20414]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  891.122653][T20414]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  891.122657][T20414]  put_chars (drivers/char/virtio_console.c:1176)
[  891.122659][T20414]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  891.122662][T20414]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  891.122665][T20414]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  891.122668][T20414]  ? pointer (lib/vsprintf.c:2577)
[  891.122673][T20414]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  891.122679][T20414]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  891.122681][T20414]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  891.122684][T20414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.122688][T20414]  console_emit_next_record (kernel/printk/printk.c:3183)
[  891.122691][T20414]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  891.122694][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122696][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122698][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122700][T20414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.122703][T20414]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  891.122706][T20414]  console_flush_one_record (kernel/printk/printk.c:3268)
[  891.122710][T20414]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  891.122715][T20414]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  891.122718][T20414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.122720][T20414]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  891.122723][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122725][T20414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  891.122728][T20414]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  891.122731][T20414]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  891.122733][T20414]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  891.122736][T20414]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  891.122739][T20414]  vprintk_emit (kernel/printk/printk.c:2479)
[  891.122742][T20414]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  891.122744][T20414]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  891.122747][T20414]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  891.122751][T20414]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  891.122755][T20414]  _printk (kernel/printk/printk.c:2504)
[  891.122758][T20414]  ? snapshot_read.cold (user.c:?)
[  891.122761][T20414]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  891.122765][T20414]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  891.122769][T20414]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  891.122771][T20414]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  891.122775][T20414]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  891.122778][T20414]  ? netdev_notice (net/core/dev.c:13194)
[  891.122781][T20414]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  891.122784][T20414]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  891.122788][T20414]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  891.122791][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122793][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122796][T20414]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  891.122798][T20414]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  891.122801][T20414]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  891.122803][T20414]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  891.122806][T20414]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  891.122809][T20414]  ? register_netdev (net/core/dev.c:11618)
[  891.122811][T20414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  891.122814][T20414]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  891.122818][T20414]  ? __kernel_text_address (kernel/extable.c:79)
[  891.122821][T20414]  ? write_profile (profile.c:?)
[  891.122825][T20414]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  891.122830][T20414]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  891.122833][T20414]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  891.122836][T20414]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  891.122838][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122840][T20414]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  891.122844][T20414]  ? kasan_save_stack (mm/kasan/common.c:58)
[  891.122847][T20414]  ? kasan_save_stack (mm/kasan/common.c:57)
[  891.122849][T20414]  ? kasan_save_track (mm/kasan/common.c:78)
[  891.122851][T20414]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  891.122853][T20414]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  891.122855][T20414]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  891.122857][T20414]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  891.122859][T20414]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  891.122863][T20414]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  891.122866][T20414]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  891.122868][T20414]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  891.122872][T20414]  ? ____sys_sendmsg (net/socket.c:2713)
[  891.122874][T20414]  ? ___sys_sendmsg (net/socket.c:2767)
[  891.122877][T20414]  ? __sys_sendmsg (net/socket.c:2799)
[  891.122880][T20414]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  891.122884][T20414]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  891.122889][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122891][T20414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.122893][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122895][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122897][T20414]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  891.122899][T20414]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  891.122901][T20414]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  891.122903][T20414]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  891.122906][T20414]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  891.122908][T20414]  ? nla_get_range_signed (lib/nlattr.c:270)
[  891.122912][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122915][T20414]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  891.122918][T20414]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  891.122921][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122923][T20414]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  891.122925][T20414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.122928][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122930][T20414]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  891.122933][T20414]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  891.122935][T20414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  891.122937][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122939][T20414]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  891.122944][T20414]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  891.122947][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122950][T20414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.122952][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122955][T20414]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  891.122957][T20414]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  891.122961][T20414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  891.122963][T20414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  891.122966][T20414]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  891.122970][T20414]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  891.122973][T20414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  891.122975][T20414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  891.122977][T20414]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  891.122980][T20414]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  891.122989][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.122991][T20414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  891.122994][T20414]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  891.122998][T20414]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  891.123000][T20414]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  891.123003][T20414]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  891.123007][T20414]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  891.123009][T20414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  891.123012][T20414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.123014][T20414]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  891.123018][T20414]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  891.123021][T20414]  ____sys_sendmsg (net/socket.c:2713)
[  891.123024][T20414]  ? copy_msghdr_from_user (net/socket.c:2650)
[  891.123027][T20414]  ? sock_write_iter (net/socket.c:1269)
[  891.123030][T20414]  ? move_addr_to_kernel (net/socket.c:258)
[  891.123033][T20414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  891.123037][T20414]  ___sys_sendmsg (net/socket.c:2767)
[  891.123040][T20414]  ? copy_msghdr_from_user (net/socket.c:2619)
[  891.123049][T20414]  __sys_sendmsg (net/socket.c:2799)
[  891.123052][T20414]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  891.123057][T20414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.123059][T20414]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  891.123062][T20414]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  891.123065][T20414]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  891.123071][T20414] RIP: 0033:0x7f4c433d254e
[  891.123074][T20414] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  891.123077][T20414] RSP: 002b:00007fffae913850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  891.123083][T20414] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4c433d254e
[  891.123085][T20414] RDX: 0000000000000000 RSI: 00007fffae913900 RDI: 0000000000000005
[  891.123086][T20414] RBP: 00007fffae913860 R08: 0000000000000000 R09: 0000000000000000
[  891.123088][T20414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917d29
[  891.123089][T20414] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffae913fc0
| [  892.739713][T20464] softirqs last disabled at (0): 0x0
| [  892.739716][T20464] Preemption disabled at:
| [  892.739717][T20464] vprintk_emit (kernel/printk/printk.c:2471)
| [  892.739731][T20464] Tainted: [W]=WARN
[  892.739733][T20464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  892.739735][T20464] Call Trace:
[  892.739737][T20464]  <TASK>
[  892.739739][T20464]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  892.739746][T20464]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  892.739748][T20464]  __might_resched.cold (kernel/sched/core.c:9234)
[  892.739753][T20464]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  892.739756][T20464]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  892.739760][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.739763][T20464]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  892.739767][T20464]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  892.739771][T20464]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  892.739777][T20464]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  892.739780][T20464]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  892.739784][T20464]  put_chars (drivers/char/virtio_console.c:1176)
[  892.739787][T20464]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  892.739791][T20464]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  892.739795][T20464]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  892.739802][T20464]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  892.739805][T20464]  ? vsnprintf (lib/vsprintf.c:2900)
[  892.739809][T20464]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  892.739812][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.739813][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.739817][T20464]  console_emit_next_record (kernel/printk/printk.c:3183)
[  892.739820][T20464]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  892.739823][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.739825][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.739827][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.739829][T20464]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  892.739832][T20464]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  892.739835][T20464]  console_flush_one_record (kernel/printk/printk.c:3268)
[  892.739838][T20464]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  892.739843][T20464]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  892.739845][T20464]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  892.739848][T20464]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  892.739850][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.739852][T20464]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  892.739854][T20464]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  892.739857][T20464]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  892.739860][T20464]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  892.739863][T20464]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  892.739866][T20464]  vprintk_emit (kernel/printk/printk.c:2479)
[  892.739869][T20464]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  892.739871][T20464]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  892.739874][T20464]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  892.739878][T20464]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  892.739881][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.739886][T20464]  _printk (kernel/printk/printk.c:2504)
[  892.739890][T20464]  ? snapshot_read.cold (user.c:?)
[  892.739893][T20464]  ? br_multicast_flood (??:?)
[  892.739898][T20464]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  892.739901][T20464]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  892.739903][T20464]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  892.739906][T20464]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  892.739910][T20464]  br_init_port (net/bridge/br_stp_if.c:39)
[  892.739913][T20464]  new_nbp (net/bridge/br_if.c:449)
[  892.739916][T20464]  br_add_if (net/bridge/br_if.c:592)
[  892.739919][T20464]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  892.739924][T20464]  do_set_master (net/core/rtnetlink.c:3071)
[  892.739928][T20464]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  892.739930][T20464]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  892.739933][T20464]  ? __dev_get_by_name (net/core/dev.c:905)
[  892.739935][T20464]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  892.739941][T20464]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  892.739945][T20464]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  892.739949][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.739952][T20464]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  892.739954][T20464]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  892.739956][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.739959][T20464]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  892.739963][T20464]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  892.739966][T20464]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  892.739970][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.739972][T20464]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  892.739974][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.739976][T20464]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  892.739978][T20464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  892.739981][T20464]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  892.739984][T20464]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  892.739986][T20464]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  892.739991][T20464]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  892.739999][T20464]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  892.740002][T20464]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  892.740004][T20464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  892.740006][T20464]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  892.740011][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.740013][T20464]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  892.740016][T20464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  892.740020][T20464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  892.740023][T20464]  ? next_uptodate_folio (mm/filemap.c:3747)
[  892.740028][T20464]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  892.740032][T20464]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  892.740035][T20464]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  892.740038][T20464]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  892.740043][T20464]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  892.740047][T20464]  ____sys_sendmsg (net/socket.c:2713)
[  892.740050][T20464]  ? copy_msghdr_from_user (net/socket.c:2650)
[  892.740053][T20464]  ? sock_write_iter (net/socket.c:1269)
[  892.740055][T20464]  ? move_addr_to_kernel (net/socket.c:258)
[  892.740059][T20464]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  892.740062][T20464]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  892.740065][T20464]  ___sys_sendmsg (net/socket.c:2767)
[  892.740070][T20464]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  892.740072][T20464]  ? copy_msghdr_from_user (net/socket.c:2619)
[  892.740075][T20464]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  892.740085][T20464]  __sys_sendmsg (net/socket.c:2799)
[  892.740088][T20464]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  892.740092][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.740094][T20464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.740097][T20464]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  892.740100][T20464]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  892.740103][T20464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  892.740106][T20464] RIP: 0033:0x7f6a1e77354e
[  892.740109][T20464] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  892.740112][T20464] RSP: 002b:00007ffd7846e410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  892.740117][T20464] RAX: ffffffffffffffda RBX: 00007ffd7846ebd8 RCX: 00007f6a1e77354e
[  892.740119][T20464] RDX: 0000000000000000 RSI: 00007ffd7846e4c0 RDI: 0000000000000005
[  892.740121][T20464] RBP: 00007ffd7846e420 R08: 0000000000000000 R09: 0000000000000000
[  892.740123][T20464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917d2b
[  892.740125][T20464] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7846eb90
| [  928.419761][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  928.419765][   T12] Preemption disabled at:
| [  928.419766][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  928.419779][   T12] Tainted: [W]=WARN
[  928.419781][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  928.419783][   T12] Workqueue: netns cleanup_net
[  928.419794][   T12] Call Trace:
[  928.419799][   T12]  <TASK>
[  928.419802][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  928.419814][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  928.419817][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  928.419822][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  928.419825][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  928.419829][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.419834][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  928.419841][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  928.419849][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  928.419858][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  928.419863][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  928.419867][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  928.419870][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  928.419873][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  928.419877][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  928.419887][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  928.419891][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  928.419900][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  928.419903][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.419909][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.419913][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  928.419917][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  928.419921][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.419923][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.419924][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.419926][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  928.419930][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  928.419936][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  928.419942][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  928.419951][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  928.419958][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  928.419962][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  928.419965][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.419967][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  928.419969][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  928.419971][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  928.419974][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  928.419976][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  928.419979][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  928.419982][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  928.419984][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  928.419989][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  928.419995][   T12]  ? kthread (kernel/kthread.c:436)
[  928.420001][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  928.420005][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  928.420014][   T12]  _printk (kernel/printk/printk.c:2504)
[  928.420019][   T12]  ? snapshot_read.cold (user.c:?)
[  928.420022][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  928.420027][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  928.420030][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  928.420033][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  928.420041][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.420044][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  928.420046][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  928.420055][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  928.420058][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  928.420064][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  928.420073][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  928.420077][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  928.420082][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  928.420086][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  928.420089][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  928.420096][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  928.420101][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  928.420110][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  928.420115][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  928.420120][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  928.420125][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  928.420127][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.420130][   T12]  process_one_work (kernel/workqueue.c:3387)
[  928.420135][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  928.420140][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  928.420147][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  928.420155][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  928.420161][   T12]  kthread (kernel/kthread.c:436)
[  928.420166][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  928.420171][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  928.420175][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  928.420178][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  928.420181][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  928.420185][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  928.420187][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  929.799532][T22225] softirqs last disabled at (0): 0x0
| [  929.799534][T22225] Preemption disabled at:
| [  929.799535][T22225] vprintk_emit (kernel/printk/printk.c:2471)
| [  929.799546][T22225] Tainted: [W]=WARN
[  929.799547][T22225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  929.799549][T22225] Call Trace:
[  929.799550][T22225]  <TASK>
[  929.799551][T22225]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  929.799558][T22225]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  929.799559][T22225]  __might_resched.cold (kernel/sched/core.c:9234)
[  929.799563][T22225]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  929.799565][T22225]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  929.799568][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799571][T22225]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  929.799574][T22225]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  929.799578][T22225]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  929.799583][T22225]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  929.799585][T22225]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  929.799588][T22225]  put_chars (drivers/char/virtio_console.c:1176)
[  929.799589][T22225]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  929.799591][T22225]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  929.799594][T22225]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  929.799599][T22225]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  929.799601][T22225]  ? vsnprintf (lib/vsprintf.c:2900)
[  929.799604][T22225]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  929.799606][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799607][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799609][T22225]  console_emit_next_record (kernel/printk/printk.c:3183)
[  929.799612][T22225]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  929.799614][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799615][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799616][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799617][T22225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  929.799620][T22225]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  929.799622][T22225]  console_flush_one_record (kernel/printk/printk.c:3268)
[  929.799624][T22225]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  929.799627][T22225]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  929.799629][T22225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  929.799631][T22225]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  929.799632][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799633][T22225]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  929.799635][T22225]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  929.799637][T22225]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  929.799638][T22225]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  929.799640][T22225]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  929.799642][T22225]  vprintk_emit (kernel/printk/printk.c:2479)
[  929.799644][T22225]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  929.799645][T22225]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  929.799647][T22225]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  929.799650][T22225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  929.799651][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799653][T22225]  _printk (kernel/printk/printk.c:2504)
[  929.799656][T22225]  ? snapshot_read.cold (user.c:?)
[  929.799658][T22225]  ? br_multicast_flood (??:?)
[  929.799662][T22225]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  929.799665][T22225]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  929.799666][T22225]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  929.799668][T22225]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  929.799671][T22225]  br_init_port (net/bridge/br_stp_if.c:39)
[  929.799673][T22225]  new_nbp (net/bridge/br_if.c:449)
[  929.799675][T22225]  br_add_if (net/bridge/br_if.c:592)
[  929.799677][T22225]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  929.799681][T22225]  do_set_master (net/core/rtnetlink.c:3071)
[  929.799683][T22225]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  929.799685][T22225]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  929.799686][T22225]  ? __dev_get_by_name (net/core/dev.c:905)
[  929.799688][T22225]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  929.799692][T22225]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  929.799695][T22225]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  929.799697][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799698][T22225]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  929.799699][T22225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  929.799701][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799702][T22225]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  929.799705][T22225]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  929.799707][T22225]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  929.799709][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799710][T22225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  929.799712][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799713][T22225]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  929.799714][T22225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  929.799716][T22225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  929.799718][T22225]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  929.799719][T22225]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  929.799723][T22225]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  929.799727][T22225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  929.799728][T22225]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  929.799730][T22225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  929.799731][T22225]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  929.799734][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799736][T22225]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  929.799738][T22225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  929.799740][T22225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  929.799742][T22225]  ? next_uptodate_folio (mm/filemap.c:3747)
[  929.799745][T22225]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  929.799747][T22225]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  929.799750][T22225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  929.799751][T22225]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  929.799755][T22225]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  929.799758][T22225]  ____sys_sendmsg (net/socket.c:2713)
[  929.799759][T22225]  ? copy_msghdr_from_user (net/socket.c:2650)
[  929.799761][T22225]  ? sock_write_iter (net/socket.c:1269)
[  929.799763][T22225]  ? move_addr_to_kernel (net/socket.c:258)
[  929.799765][T22225]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  929.799768][T22225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  929.799770][T22225]  ___sys_sendmsg (net/socket.c:2767)
[  929.799771][T22225]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  929.799773][T22225]  ? copy_msghdr_from_user (net/socket.c:2619)
[  929.799775][T22225]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  929.799780][T22225]  __sys_sendmsg (net/socket.c:2799)
[  929.799782][T22225]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  929.799785][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799786][T22225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.799788][T22225]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  929.799790][T22225]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  929.799792][T22225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  929.799794][T22225] RIP: 0033:0x7fe5e878254e
[  929.799796][T22225] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  929.799798][T22225] RSP: 002b:00007fffac85fcf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  929.799802][T22225] RAX: ffffffffffffffda RBX: 00007fffac8604b8 RCX: 00007fe5e878254e
[  929.799804][T22225] RDX: 0000000000000000 RSI: 00007fffac85fda0 RDI: 0000000000000005
[  929.799804][T22225] RBP: 00007fffac85fd00 R08: 0000000000000000 R09: 0000000000000000
[  929.799805][T22225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917d50
[  929.799806][T22225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffac860470
| [  931.337347][T22294] softirqs last disabled at (0): 0x0
| [  931.337349][T22294] Preemption disabled at:
| [  931.337350][T22294] vprintk_emit (kernel/printk/printk.c:2471)
| [  931.337360][T22294] Tainted: [W]=WARN
[  931.337361][T22294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  931.337363][T22294] Call Trace:
[  931.337364][T22294]  <TASK>
[  931.337366][T22294]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  931.337371][T22294]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  931.337373][T22294]  __might_resched.cold (kernel/sched/core.c:9234)
[  931.337377][T22294]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  931.337380][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337383][T22294]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  931.337386][T22294]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  931.337389][T22294]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  931.337395][T22294]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  931.337396][T22294]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  931.337399][T22294]  put_chars (drivers/char/virtio_console.c:1176)
[  931.337401][T22294]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  931.337402][T22294]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  931.337405][T22294]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  931.337407][T22294]  ? pointer (lib/vsprintf.c:2577)
[  931.337410][T22294]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  931.337415][T22294]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  931.337417][T22294]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  931.337419][T22294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  931.337422][T22294]  console_emit_next_record (kernel/printk/printk.c:3183)
[  931.337424][T22294]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  931.337427][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337428][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337429][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337430][T22294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  931.337432][T22294]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  931.337434][T22294]  console_flush_one_record (kernel/printk/printk.c:3268)
[  931.337437][T22294]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  931.337440][T22294]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  931.337441][T22294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  931.337443][T22294]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  931.337445][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337446][T22294]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  931.337448][T22294]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  931.337450][T22294]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  931.337451][T22294]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  931.337453][T22294]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  931.337455][T22294]  vprintk_emit (kernel/printk/printk.c:2479)
[  931.337457][T22294]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  931.337458][T22294]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  931.337461][T22294]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  931.337464][T22294]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  931.337466][T22294]  _printk (kernel/printk/printk.c:2504)
[  931.337469][T22294]  ? snapshot_read.cold (user.c:?)
[  931.337472][T22294]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  931.337474][T22294]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  931.337477][T22294]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  931.337479][T22294]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  931.337482][T22294]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  931.337485][T22294]  ? netdev_notice (net/core/dev.c:13194)
[  931.337487][T22294]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  931.337488][T22294]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  931.337491][T22294]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  931.337493][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337494][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337495][T22294]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  931.337496][T22294]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  931.337498][T22294]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  931.337499][T22294]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  931.337501][T22294]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  931.337503][T22294]  ? register_netdev (net/core/dev.c:11618)
[  931.337504][T22294]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  931.337506][T22294]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  931.337509][T22294]  ? __kernel_text_address (kernel/extable.c:79)
[  931.337512][T22294]  ? write_profile (profile.c:?)
[  931.337515][T22294]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  931.337518][T22294]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  931.337520][T22294]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  931.337522][T22294]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  931.337523][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337524][T22294]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  931.337528][T22294]  ? kasan_save_stack (mm/kasan/common.c:58)
[  931.337530][T22294]  ? kasan_save_stack (mm/kasan/common.c:57)
[  931.337531][T22294]  ? kasan_save_track (mm/kasan/common.c:78)
[  931.337532][T22294]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  931.337533][T22294]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  931.337535][T22294]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  931.337536][T22294]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  931.337537][T22294]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  931.337541][T22294]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  931.337542][T22294]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  931.337544][T22294]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  931.337547][T22294]  ? ____sys_sendmsg (net/socket.c:2713)
[  931.337548][T22294]  ? ___sys_sendmsg (net/socket.c:2767)
[  931.337550][T22294]  ? __sys_sendmsg (net/socket.c:2799)
[  931.337552][T22294]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  931.337554][T22294]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  931.337557][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337558][T22294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  931.337559][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337561][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337562][T22294]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  931.337563][T22294]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  931.337565][T22294]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  931.337566][T22294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  931.337568][T22294]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  931.337569][T22294]  ? nla_get_range_signed (lib/nlattr.c:270)
[  931.337572][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337574][T22294]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  931.337576][T22294]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  931.337578][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337579][T22294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  931.337581][T22294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  931.337582][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337584][T22294]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  931.337587][T22294]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  931.337588][T22294]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  931.337589][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337591][T22294]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  931.337594][T22294]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  931.337596][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337598][T22294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  931.337599][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337600][T22294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  931.337602][T22294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  931.337603][T22294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  931.337605][T22294]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  931.337607][T22294]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  931.337609][T22294]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  931.337611][T22294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  931.337612][T22294]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  931.337614][T22294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  931.337616][T22294]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  931.337619][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337620][T22294]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  931.337622][T22294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  931.337625][T22294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  931.337626][T22294]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  931.337628][T22294]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  931.337631][T22294]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  931.337632][T22294]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  931.337634][T22294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  931.337636][T22294]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  931.337639][T22294]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  931.337641][T22294]  ____sys_sendmsg (net/socket.c:2713)
[  931.337643][T22294]  ? copy_msghdr_from_user (net/socket.c:2650)
[  931.337645][T22294]  ? sock_write_iter (net/socket.c:1269)
[  931.337646][T22294]  ? move_addr_to_kernel (net/socket.c:258)
[  931.337648][T22294]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  931.337651][T22294]  ___sys_sendmsg (net/socket.c:2767)
[  931.337653][T22294]  ? copy_msghdr_from_user (net/socket.c:2619)
[  931.337658][T22294]  __sys_sendmsg (net/socket.c:2799)
[  931.337660][T22294]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  931.337663][T22294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  931.337664][T22294]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  931.337666][T22294]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  931.337668][T22294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  931.337669][T22294] RIP: 0033:0x7fe335d7354e
[  931.337671][T22294] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  931.337673][T22294] RSP: 002b:00007ffd718fc760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  931.337677][T22294] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe335d7354e
[  931.337679][T22294] RDX: 0000000000000000 RSI: 00007ffd718fc810 RDI: 0000000000000005
[  931.337680][T22294] RBP: 00007ffd718fc770 R08: 0000000000000000 R09: 0000000000000000
[  931.337680][T22294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917d51
[  931.337681][T22294] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd718fced0
| [  932.518573][T22344] softirqs last disabled at (0): 0x0
| [  932.518576][T22344] Preemption disabled at:
| [  932.518577][T22344] vprintk_emit (kernel/printk/printk.c:2471)
| [  932.518590][T22344] Tainted: [W]=WARN
[  932.518591][T22344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  932.518594][T22344] Call Trace:
[  932.518596][T22344]  <TASK>
[  932.518597][T22344]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  932.518604][T22344]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  932.518606][T22344]  __might_resched.cold (kernel/sched/core.c:9234)
[  932.518611][T22344]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  932.518614][T22344]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  932.518618][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518620][T22344]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  932.518624][T22344]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  932.518627][T22344]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  932.518632][T22344]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  932.518634][T22344]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  932.518636][T22344]  put_chars (drivers/char/virtio_console.c:1176)
[  932.518638][T22344]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  932.518640][T22344]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  932.518643][T22344]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  932.518648][T22344]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  932.518650][T22344]  ? vsnprintf (lib/vsprintf.c:2900)
[  932.518653][T22344]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  932.518655][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518656][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518658][T22344]  console_emit_next_record (kernel/printk/printk.c:3183)
[  932.518661][T22344]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  932.518663][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518664][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518665][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518666][T22344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  932.518669][T22344]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  932.518671][T22344]  console_flush_one_record (kernel/printk/printk.c:3268)
[  932.518673][T22344]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  932.518676][T22344]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  932.518678][T22344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  932.518680][T22344]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  932.518681][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518682][T22344]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  932.518684][T22344]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  932.518686][T22344]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  932.518687][T22344]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  932.518689][T22344]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  932.518691][T22344]  vprintk_emit (kernel/printk/printk.c:2479)
[  932.518693][T22344]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  932.518694][T22344]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  932.518696][T22344]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  932.518699][T22344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  932.518700][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518702][T22344]  _printk (kernel/printk/printk.c:2504)
[  932.518705][T22344]  ? snapshot_read.cold (user.c:?)
[  932.518707][T22344]  ? br_multicast_flood (??:?)
[  932.518711][T22344]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  932.518714][T22344]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  932.518715][T22344]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  932.518717][T22344]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  932.518720][T22344]  br_init_port (net/bridge/br_stp_if.c:39)
[  932.518722][T22344]  new_nbp (net/bridge/br_if.c:449)
[  932.518724][T22344]  br_add_if (net/bridge/br_if.c:592)
[  932.518726][T22344]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  932.518731][T22344]  do_set_master (net/core/rtnetlink.c:3071)
[  932.518733][T22344]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  932.518735][T22344]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  932.518736][T22344]  ? __dev_get_by_name (net/core/dev.c:905)
[  932.518738][T22344]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  932.518741][T22344]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  932.518744][T22344]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  932.518746][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518747][T22344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  932.518749][T22344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  932.518750][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518752][T22344]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  932.518754][T22344]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  932.518756][T22344]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  932.518759][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518760][T22344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  932.518761][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518763][T22344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  932.518764][T22344]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  932.518766][T22344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  932.518767][T22344]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  932.518769][T22344]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  932.518773][T22344]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  932.518776][T22344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  932.518777][T22344]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  932.518779][T22344]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  932.518781][T22344]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  932.518783][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518785][T22344]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  932.518787][T22344]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  932.518789][T22344]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  932.518791][T22344]  ? next_uptodate_folio (mm/filemap.c:3747)
[  932.518794][T22344]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  932.518797][T22344]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  932.518799][T22344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  932.518802][T22344]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  932.518807][T22344]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  932.518811][T22344]  ____sys_sendmsg (net/socket.c:2713)
[  932.518814][T22344]  ? copy_msghdr_from_user (net/socket.c:2650)
[  932.518817][T22344]  ? sock_write_iter (net/socket.c:1269)
[  932.518819][T22344]  ? move_addr_to_kernel (net/socket.c:258)
[  932.518823][T22344]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  932.518826][T22344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  932.518829][T22344]  ___sys_sendmsg (net/socket.c:2767)
[  932.518832][T22344]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  932.518835][T22344]  ? copy_msghdr_from_user (net/socket.c:2619)
[  932.518837][T22344]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  932.518845][T22344]  __sys_sendmsg (net/socket.c:2799)
[  932.518848][T22344]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  932.518853][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518855][T22344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  932.518857][T22344]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  932.518861][T22344]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  932.518864][T22344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  932.518867][T22344] RIP: 0033:0x7f6373d1154e
[  932.518870][T22344] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  932.518873][T22344] RSP: 002b:00007ffe70fcbd40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  932.518878][T22344] RAX: ffffffffffffffda RBX: 00007ffe70fcc508 RCX: 00007f6373d1154e
[  932.518880][T22344] RDX: 0000000000000000 RSI: 00007ffe70fcbdf0 RDI: 0000000000000005
[  932.518882][T22344] RBP: 00007ffe70fcbd50 R08: 0000000000000000 R09: 0000000000000000
[  932.518884][T22344] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917d52
[  932.518886][T22344] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe70fcc4c0
| [  968.100149][   T12] softirqs last disabled at (2517411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  968.100152][   T12] Preemption disabled at:
| [  968.100153][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  968.100162][   T12] Tainted: [W]=WARN
[  968.100163][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  968.100165][   T12] Workqueue: netns cleanup_net
[  968.100171][   T12] Call Trace:
[  968.100173][   T12]  <TASK>
[  968.100174][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  968.100180][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  968.100182][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  968.100186][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  968.100188][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  968.100191][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.100194][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  968.100197][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  968.100199][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  968.100204][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  968.100206][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  968.100208][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  968.100210][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  968.100212][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  968.100215][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  968.100219][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  968.100221][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  968.100224][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  968.100226][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.100227][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.100229][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  968.100232][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  968.100234][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.100235][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.100236][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.100237][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  968.100240][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  968.100242][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  968.100244][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  968.100247][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  968.100249][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  968.100251][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  968.100253][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.100254][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  968.100255][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  968.100257][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  968.100258][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  968.100260][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  968.100262][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  968.100263][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  968.100265][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  968.100267][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  968.100269][   T12]  ? kthread (kernel/kthread.c:436)
[  968.100272][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  968.100275][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  968.100277][   T12]  _printk (kernel/printk/printk.c:2504)
[  968.100281][   T12]  ? snapshot_read.cold (user.c:?)
[  968.100283][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  968.100286][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  968.100289][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  968.100291][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  968.100293][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.100295][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  968.100296][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  968.100299][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  968.100301][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  968.100302][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  968.100304][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  968.100307][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  968.100311][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  968.100314][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  968.100316][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  968.100319][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  968.100321][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  968.100324][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  968.100326][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  968.100328][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  968.100330][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.100332][   T12]  process_one_work (kernel/workqueue.c:3387)
[  968.100335][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  968.100338][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  968.100340][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  968.100343][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  968.100345][   T12]  kthread (kernel/kthread.c:436)
[  968.100347][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  968.100349][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  968.100351][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  968.100353][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  968.100355][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  968.100358][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning