======================================
| [    9.768454][  T216] softirqs last disabled at (15894): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.768457][  T216] Preemption disabled at:
| [    9.768457][  T216] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.768465][  T216] Tainted: [W]=WARN
[    9.768466][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.768468][  T216] Call Trace:
[    9.768469][  T216]  <TASK>
[    9.768471][  T216]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.768476][  T216]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.768478][  T216]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.768483][  T216]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.768487][  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)
[    9.768492][  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))
[    9.768493][  T216]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.768500][  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)
[    9.768502][  T216]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.768506][  T216]  put_chars (drivers/char/virtio_console.c:1176)
[    9.768508][  T216]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.768514][  T216]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.768522][  T216]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.768525][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.768529][  T216]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.768533][  T216]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.768535][  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))
[    9.768538][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.768540][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.768544][  T216]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.768548][  T216]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.768550][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.768555][  T216]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.768558][  T216]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.768560][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.768561][  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)
[    9.768565][  T216]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.768567][  T216]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.768569][  T216]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.768572][  T216]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.768574][  T216]  ? save_trace (kernel/locking/lockdep.c:589)
[    9.768579][  T216]  _printk (kernel/printk/printk.c:2504)
[    9.768582][  T216]  ? snapshot_read.cold (user.c:?)
[    9.768585][  T216]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.768587][  T216]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    9.768591][  T216]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    9.768594][  T216]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.768596][  T216]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.768599][  T216]  ? netdev_notice (net/core/dev.c:13194)
[    9.768602][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.768604][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.768607][  T216]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.768610][  T216]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.768612][  T216]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.768614][  T216]  ? register_netdev (net/core/dev.c:11618)
[    9.768615][  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))
[    9.768621][  T216]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.768623][  T216]  ? __kernel_text_address (kernel/extable.c:79)
[    9.768626][  T216]  ? write_profile (profile.c:?)
[    9.768629][  T216]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.768635][  T216]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.768638][  T216]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    9.768640][  T216]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.768642][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.768647][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.768651][  T216]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.768653][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.768655][  T216]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.768658][  T216]  ? kasan_save_stack (mm/kasan/common.c:58)
[    9.768659][  T216]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.768661][  T216]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.768662][  T216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.768664][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.768666][  T216]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[    9.768669][  T216]  ? ___sys_sendmsg (net/socket.c:2758)
[    9.768672][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.768674][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.768677][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.768679][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.768680][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.768681][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.768683][  T216]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.768685][  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)
[    9.768688][  T216]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.768690][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.768693][  T216]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.768694][  T216]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.768699][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.768701][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    9.768709][  T216]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    9.768714][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.768716][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.768724][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.768726][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.768728][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.768729][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.768733][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.768735][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.768738][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.768739][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.768744][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.768746][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.768749][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.768752][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.768755][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.768761][  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))
[    9.768763][  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))
[    9.768768][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.768772][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.768774][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.768778][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.768782][  T216]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.768786][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.768788][  T216]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[    9.768793][  T216]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[    9.768796][  T216]  ____sys_sendmsg (net/socket.c:2713)
[    9.768798][  T216]  ? copy_msghdr_from_user (net/socket.c:2650)
[    9.768800][  T216]  ? sock_write_iter (net/socket.c:1269)
[    9.768802][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[    9.768809][  T216]  ___sys_sendmsg (net/socket.c:2767)
[    9.768812][  T216]  ? copy_msghdr_from_user (net/socket.c:2619)
[    9.768827][  T216]  __sys_sendmsg (net/socket.c:2799)
[    9.768830][  T216]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    9.768836][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.768839][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.768842][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.768845][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.768847][  T216] RIP: 0033:0x7fa4ac86b54e
[    9.768851][  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
[    9.768853][  T216] RSP: 002b:00007fffd7c27080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.768855][  T216] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa4ac86b54e
[    9.768857][  T216] RDX: 0000000000000000 RSI: 00007fffd7c27130 RDI: 0000000000000005
[    9.768857][  T216] RBP: 00007fffd7c27090 R08: 0000000000000000 R09: 0000000000000000
[    9.768858][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e8fc
[    9.768859][  T216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd7c277f0
| [   11.553403][  T293] softirqs last disabled at (17458): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   11.553405][  T293] Preemption disabled at:
| [   11.553406][  T293] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.553414][  T293] Tainted: [W]=WARN
[   11.553415][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.553416][  T293] Call Trace:
[   11.553418][  T293]  <TASK>
[   11.553419][  T293]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.553425][  T293]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.553427][  T293]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.553431][  T293]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.553436][  T293]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.553440][  T293]  __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))
[   11.553442][  T293]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.553448][  T293]  ? 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)
[   11.553451][  T293]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.553454][  T293]  put_chars (drivers/char/virtio_console.c:1176)
[   11.553457][  T293]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.553458][  T293]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.553462][  T293]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.553464][  T293]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.553469][  T293]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.553473][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.553478][  T293]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.553481][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.553486][  T293]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.553490][  T293]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.553492][  T293]  ? 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))
[   11.553495][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.553497][  T293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.553501][  T293]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.553505][  T293]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.553507][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.553512][  T293]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.553515][  T293]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.553517][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.553518][  T293]  ? 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)
[   11.553522][  T293]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.553524][  T293]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.553526][  T293]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.553529][  T293]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.553531][  T293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.553534][  T293]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.553537][  T293]  _printk (kernel/printk/printk.c:2504)
[   11.553541][  T293]  ? snapshot_read.cold (user.c:?)
[   11.553544][  T293]  ? br_multicast_flood (??:?)
[   11.553548][  T293]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   11.553549][  T293]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   11.553550][  T293]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.553554][  T293]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   11.553558][  T293]  br_init_port (net/bridge/br_stp_if.c:39)
[   11.553561][  T293]  new_nbp (net/bridge/br_if.c:449)
[   11.553565][  T293]  br_add_if (net/bridge/br_if.c:592)
[   11.553567][  T293]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   11.553574][  T293]  do_set_master (net/core/rtnetlink.c:3071)
[   11.553578][  T293]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   11.553581][  T293]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   11.553583][  T293]  ? __dev_get_by_name (net/core/dev.c:905)
[   11.553585][  T293]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   11.553594][  T293]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   11.553600][  T293]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.553606][  T293]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.553608][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.553614][  T293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.553618][  T293]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.553620][  T293]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.553623][  T293]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.553624][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.553629][  T293]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.553631][  T293]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.553634][  T293]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.553637][  T293]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.553640][  T293]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.553649][  T293]  ? 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))
[   11.553652][  T293]  ? 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))
[   11.553656][  T293]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.553660][  T293]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.553666][  T293]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.553670][  T293]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.553674][  T293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.553675][  T293]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.553681][  T293]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.553685][  T293]  ____sys_sendmsg (net/socket.c:2713)
[   11.553687][  T293]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.553689][  T293]  ? sock_write_iter (net/socket.c:1269)
[   11.553691][  T293]  ? move_addr_to_kernel (net/socket.c:258)
[   11.553695][  T293]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   11.553698][  T293]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.553701][  T293]  ___sys_sendmsg (net/socket.c:2767)
[   11.553703][  T293]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   11.553706][  T293]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.553708][  T293]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   11.553727][  T293]  __sys_sendmsg (net/socket.c:2799)
[   11.553730][  T293]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.553735][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.553737][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.553740][  T293]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.553743][  T293]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.553746][  T293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.553748][  T293] RIP: 0033:0x7f3337b1e54e
[   11.553752][  T293] 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
[   11.553754][  T293] RSP: 002b:00007ffefabb54e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.553756][  T293] RAX: ffffffffffffffda RBX: 00007ffefabb5ca8 RCX: 00007f3337b1e54e
[   11.553758][  T293] RDX: 0000000000000000 RSI: 00007ffefabb5590 RDI: 0000000000000005
[   11.553759][  T293] RBP: 00007ffefabb54f0 R08: 0000000000000000 R09: 0000000000000000
[   11.553759][  T293] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e8fd
[   11.553760][  T293] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefabb5c60
| [   13.171767][  T349] softirqs last disabled at (22488): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   13.171769][  T349] Preemption disabled at:
| [   13.171770][  T349] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.171778][  T349] Tainted: [W]=WARN
[   13.171780][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.171781][  T349] Call Trace:
[   13.171783][  T349]  <TASK>
[   13.171784][  T349]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.171790][  T349]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.171792][  T349]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.171797][  T349]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.171801][  T349]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.171805][  T349]  __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))
[   13.171807][  T349]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.171813][  T349]  ? 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)
[   13.171816][  T349]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.171819][  T349]  put_chars (drivers/char/virtio_console.c:1176)
[   13.171822][  T349]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.171823][  T349]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.171826][  T349]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.171829][  T349]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.171834][  T349]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.171838][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.171843][  T349]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.171846][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.171851][  T349]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.171855][  T349]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.171857][  T349]  ? 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))
[   13.171860][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.171861][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.171865][  T349]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.171869][  T349]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.171871][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.171876][  T349]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.171879][  T349]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.171881][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.171883][  T349]  ? 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)
[   13.171887][  T349]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.171888][  T349]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.171891][  T349]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.171894][  T349]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.171896][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.171899][  T349]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.171902][  T349]  _printk (kernel/printk/printk.c:2504)
[   13.171905][  T349]  ? snapshot_read.cold (user.c:?)
[   13.171909][  T349]  ? br_multicast_flood (??:?)
[   13.171912][  T349]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   13.171913][  T349]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   13.171915][  T349]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.171919][  T349]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   13.171923][  T349]  br_init_port (net/bridge/br_stp_if.c:39)
[   13.171925][  T349]  new_nbp (net/bridge/br_if.c:449)
[   13.171929][  T349]  br_add_if (net/bridge/br_if.c:592)
[   13.171931][  T349]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   13.171939][  T349]  do_set_master (net/core/rtnetlink.c:3071)
[   13.171942][  T349]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   13.171946][  T349]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   13.171947][  T349]  ? __dev_get_by_name (net/core/dev.c:905)
[   13.171949][  T349]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   13.171959][  T349]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   13.171965][  T349]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.171971][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.171973][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.171979][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.171983][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.171985][  T349]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.171988][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.171989][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.171994][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.171996][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.171999][  T349]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.172002][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.172005][  T349]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.172011][  T349]  ? 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))
[   13.172014][  T349]  ? 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))
[   13.172018][  T349]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.172022][  T349]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.172027][  T349]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.172031][  T349]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.172035][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.172037][  T349]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.172042][  T349]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.172046][  T349]  ____sys_sendmsg (net/socket.c:2713)
[   13.172049][  T349]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.172051][  T349]  ? sock_write_iter (net/socket.c:1269)
[   13.172052][  T349]  ? move_addr_to_kernel (net/socket.c:258)
[   13.172057][  T349]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   13.172060][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.172063][  T349]  ___sys_sendmsg (net/socket.c:2767)
[   13.172065][  T349]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   13.172068][  T349]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.172070][  T349]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   13.172085][  T349]  __sys_sendmsg (net/socket.c:2799)
[   13.172088][  T349]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.172093][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.172095][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.172098][  T349]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.172101][  T349]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.172105][  T349]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.172107][  T349] RIP: 0033:0x7f6485da954e
[   13.172110][  T349] 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
[   13.172112][  T349] RSP: 002b:00007ffe3b60e910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.172115][  T349] RAX: ffffffffffffffda RBX: 00007ffe3b60f0d8 RCX: 00007f6485da954e
[   13.172116][  T349] RDX: 0000000000000000 RSI: 00007ffe3b60e9c0 RDI: 0000000000000005
[   13.172117][  T349] RBP: 00007ffe3b60e920 R08: 0000000000000000 R09: 0000000000000000
[   13.172118][  T349] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e8ff
[   13.172119][  T349] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3b60f090
| [   14.188538][  T381] softirqs last disabled at (19044): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.188540][  T381] Preemption disabled at:
| [   14.188540][  T381] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.188549][  T381] Tainted: [W]=WARN
[   14.188550][  T381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.188552][  T381] Call Trace:
[   14.188553][  T381]  <TASK>
[   14.188555][  T381]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.188561][  T381]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.188563][  T381]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.188567][  T381]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.188571][  T381]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.188576][  T381]  __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))
[   14.188577][  T381]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.188584][  T381]  ? 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)
[   14.188586][  T381]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.188590][  T381]  put_chars (drivers/char/virtio_console.c:1176)
[   14.188592][  T381]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.188594][  T381]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.188597][  T381]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.188600][  T381]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.188605][  T381]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.188609][  T381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.188614][  T381]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.188617][  T381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.188622][  T381]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.188626][  T381]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.188628][  T381]  ? 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))
[   14.188631][  T381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.188633][  T381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.188637][  T381]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.188641][  T381]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.188643][  T381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.188651][  T381]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.188654][  T381]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.188656][  T381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.188657][  T381]  ? 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)
[   14.188661][  T381]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.188663][  T381]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.188666][  T381]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.188669][  T381]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.188671][  T381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.188673][  T381]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.188677][  T381]  _printk (kernel/printk/printk.c:2504)
[   14.188680][  T381]  ? snapshot_read.cold (user.c:?)
[   14.188684][  T381]  ? br_multicast_flood (??:?)
[   14.188687][  T381]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   14.188688][  T381]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   14.188690][  T381]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.188694][  T381]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   14.188698][  T381]  br_init_port (net/bridge/br_stp_if.c:39)
[   14.188701][  T381]  new_nbp (net/bridge/br_if.c:449)
[   14.188705][  T381]  br_add_if (net/bridge/br_if.c:592)
[   14.188707][  T381]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   14.188714][  T381]  do_set_master (net/core/rtnetlink.c:3071)
[   14.188718][  T381]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   14.188721][  T381]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   14.188723][  T381]  ? __dev_get_by_name (net/core/dev.c:905)
[   14.188725][  T381]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   14.188738][  T381]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   14.188745][  T381]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.188750][  T381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.188752][  T381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.188759][  T381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.188763][  T381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.188765][  T381]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.188768][  T381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.188769][  T381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.188774][  T381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.188776][  T381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.188779][  T381]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.188782][  T381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.188785][  T381]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.188792][  T381]  ? 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))
[   14.188794][  T381]  ? 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))
[   14.188798][  T381]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.188802][  T381]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.188808][  T381]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.188812][  T381]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.188815][  T381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.188817][  T381]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.188823][  T381]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.188827][  T381]  ____sys_sendmsg (net/socket.c:2713)
[   14.188829][  T381]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.188831][  T381]  ? sock_write_iter (net/socket.c:1269)
[   14.188833][  T381]  ? move_addr_to_kernel (net/socket.c:258)
[   14.188837][  T381]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   14.188840][  T381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.188844][  T381]  ___sys_sendmsg (net/socket.c:2767)
[   14.188846][  T381]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   14.188848][  T381]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.188851][  T381]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   14.188865][  T381]  __sys_sendmsg (net/socket.c:2799)
[   14.188868][  T381]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.188874][  T381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.188876][  T381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.188879][  T381]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.188882][  T381]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.188885][  T381]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.188887][  T381] RIP: 0033:0x7fb9605e154e
[   14.188891][  T381] 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
[   14.188893][  T381] RSP: 002b:00007fff4e977e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.188896][  T381] RAX: ffffffffffffffda RBX: 00007fff4e978608 RCX: 00007fb9605e154e
[   14.188897][  T381] RDX: 0000000000000000 RSI: 00007fff4e977ef0 RDI: 0000000000000005
[   14.188898][  T381] RBP: 00007fff4e977e50 R08: 0000000000000000 R09: 0000000000000000
[   14.188899][  T381] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e900
[   14.188900][  T381] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4e9785c0
| [   21.155175][   T12] softirqs last disabled at (15974): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   21.155177][   T12] Preemption disabled at:
| [   21.155178][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.155187][   T12] Tainted: [W]=WARN
[   21.155188][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.155190][   T12] Workqueue: netns cleanup_net
[   21.155193][   T12] Call Trace:
[   21.155195][   T12]  <TASK>
[   21.155197][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.155203][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.155204][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.155209][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.155213][   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)
[   21.155218][   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))
[   21.155220][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.155226][   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)
[   21.155229][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.155232][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   21.155235][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.155238][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   21.155243][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.155247][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.155252][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.155255][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.155261][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.155265][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.155267][   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))
[   21.155270][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.155272][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.155276][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.155280][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.155282][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.155287][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.155290][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.155292][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.155294][   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)
[   21.155298][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.155300][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.155302][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.155305][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.155307][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   21.155309][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   21.155311][   T12]  ? kthread (kernel/kthread.c:436)
[   21.155313][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   21.155316][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   21.155320][   T12]  _printk (kernel/printk/printk.c:2504)
[   21.155324][   T12]  ? snapshot_read.cold (user.c:?)
[   21.155328][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.155332][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.155336][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.155339][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   21.155344][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.155345][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   21.155348][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   21.155350][   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)
[   21.155353][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   21.155356][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   21.155360][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   21.155367][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   21.155371][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   21.155374][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   21.155378][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.155382][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.155383][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.155386][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   21.155391][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   21.155394][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.155398][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.155400][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.155403][   T12]  process_one_work (kernel/workqueue.c:3387)
[   21.155410][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   21.155413][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.155421][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   21.155428][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   21.155430][   T12]  kthread (kernel/kthread.c:436)
[   21.155432][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.155436][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   21.155439][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.155442][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   21.155445][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.155449][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   21.155451][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.259551][  T530] softirqs last disabled at (16016): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.259554][  T530] Preemption disabled at:
| [   22.259555][  T530] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.259563][  T530] Tainted: [W]=WARN
[   22.259564][  T530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.259566][  T530] Call Trace:
[   22.259567][  T530]  <TASK>
[   22.259569][  T530]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.259574][  T530]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.259576][  T530]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.259580][  T530]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.259585][  T530]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.259589][  T530]  __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))
[   22.259591][  T530]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.259597][  T530]  ? 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)
[   22.259599][  T530]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.259603][  T530]  put_chars (drivers/char/virtio_console.c:1176)
[   22.259605][  T530]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.259611][  T530]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.259619][  T530]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.259622][  T530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.259626][  T530]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.259630][  T530]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.259632][  T530]  ? 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))
[   22.259635][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.259638][  T530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.259642][  T530]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.259650][  T530]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.259652][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.259657][  T530]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.259660][  T530]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.259662][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.259663][  T530]  ? 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)
[   22.259667][  T530]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.259669][  T530]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.259671][  T530]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.259674][  T530]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.259677][  T530]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   22.259682][  T530]  _printk (kernel/printk/printk.c:2504)
[   22.259685][  T530]  ? snapshot_read.cold (user.c:?)
[   22.259687][  T530]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.259690][  T530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.259693][  T530]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.259695][  T530]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.259699][  T530]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.259702][  T530]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.259705][  T530]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.259708][  T530]  ? netdev_notice (net/core/dev.c:13194)
[   22.259711][  T530]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.259714][  T530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.259716][  T530]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.259720][  T530]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.259722][  T530]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.259724][  T530]  ? register_netdev (net/core/dev.c:11618)
[   22.259725][  T530]  ? 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))
[   22.259730][  T530]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.259733][  T530]  ? __kernel_text_address (kernel/extable.c:79)
[   22.259735][  T530]  ? write_profile (profile.c:?)
[   22.259739][  T530]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.259744][  T530]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.259748][  T530]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.259750][  T530]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.259751][  T530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.259753][  T530]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.259761][  T530]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.259763][  T530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.259764][  T530]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.259767][  T530]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.259769][  T530]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.259770][  T530]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.259771][  T530]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.259773][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.259775][  T530]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.259778][  T530]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.259782][  T530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.259784][  T530]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.259786][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.259788][  T530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.259790][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.259791][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.259792][  T530]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.259795][  T530]  ? __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)
[   22.259796][  T530]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.259798][  T530]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.259801][  T530]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.259802][  T530]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.259807][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.259809][  T530]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.259814][  T530]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.259819][  T530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.259821][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.259826][  T530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.259828][  T530]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.259829][  T530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.259831][  T530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.259835][  T530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.259837][  T530]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.259840][  T530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.259841][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.259846][  T530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.259847][  T530]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.259851][  T530]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.259854][  T530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.259857][  T530]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.259863][  T530]  ? 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))
[   22.259865][  T530]  ? 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))
[   22.259869][  T530]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.259873][  T530]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.259876][  T530]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.259880][  T530]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.259884][  T530]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.259887][  T530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.259889][  T530]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.259894][  T530]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.259897][  T530]  ____sys_sendmsg (net/socket.c:2713)
[   22.259899][  T530]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.259901][  T530]  ? sock_write_iter (net/socket.c:1269)
[   22.259903][  T530]  ? move_addr_to_kernel (net/socket.c:258)
[   22.259910][  T530]  ___sys_sendmsg (net/socket.c:2767)
[   22.259913][  T530]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.259928][  T530]  __sys_sendmsg (net/socket.c:2799)
[   22.259931][  T530]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.259937][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.259940][  T530]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.259942][  T530]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.259945][  T530]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.259947][  T530] RIP: 0033:0x7f157241454e
[   22.259951][  T530] 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
[   22.259953][  T530] RSP: 002b:00007fff8af80030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.259955][  T530] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f157241454e
[   22.259957][  T530] RDX: 0000000000000000 RSI: 00007fff8af800e0 RDI: 0000000000000005
[   22.259958][  T530] RBP: 00007fff8af80040 R08: 0000000000000000 R09: 0000000000000000
[   22.259958][  T530] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e908
[   22.259959][  T530] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8af807a0
| [   24.055278][  T604] softirqs last disabled at (27900): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   24.055280][  T604] Preemption disabled at:
| [   24.055281][  T604] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.055289][  T604] Tainted: [W]=WARN
[   24.055290][  T604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.055292][  T604] Call Trace:
[   24.055294][  T604]  <TASK>
[   24.055295][  T604]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.055301][  T604]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.055303][  T604]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.055307][  T604]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.055311][  T604]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.055316][  T604]  __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))
[   24.055318][  T604]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.055324][  T604]  ? 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)
[   24.055327][  T604]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.055331][  T604]  put_chars (drivers/char/virtio_console.c:1176)
[   24.055333][  T604]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.055334][  T604]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.055338][  T604]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.055341][  T604]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.055346][  T604]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.055350][  T604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.055355][  T604]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.055358][  T604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.055363][  T604]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.055367][  T604]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.055369][  T604]  ? 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))
[   24.055372][  T604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.055374][  T604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.055378][  T604]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.055382][  T604]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.055384][  T604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.055389][  T604]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.055392][  T604]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.055394][  T604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.055396][  T604]  ? 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)
[   24.055400][  T604]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.055401][  T604]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.055404][  T604]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.055407][  T604]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.055409][  T604]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.055412][  T604]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.055416][  T604]  _printk (kernel/printk/printk.c:2504)
[   24.055419][  T604]  ? snapshot_read.cold (user.c:?)
[   24.055423][  T604]  ? br_multicast_flood (??:?)
[   24.055426][  T604]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   24.055427][  T604]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   24.055428][  T604]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.055432][  T604]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   24.055437][  T604]  br_init_port (net/bridge/br_stp_if.c:39)
[   24.055439][  T604]  new_nbp (net/bridge/br_if.c:449)
[   24.055443][  T604]  br_add_if (net/bridge/br_if.c:592)
[   24.055445][  T604]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   24.055453][  T604]  do_set_master (net/core/rtnetlink.c:3071)
[   24.055457][  T604]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   24.055460][  T604]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   24.055462][  T604]  ? __dev_get_by_name (net/core/dev.c:905)
[   24.055464][  T604]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   24.055473][  T604]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   24.055480][  T604]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.055486][  T604]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.055488][  T604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.055495][  T604]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.055498][  T604]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.055501][  T604]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.055504][  T604]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.055505][  T604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.055510][  T604]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.055512][  T604]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.055515][  T604]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.055518][  T604]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.055521][  T604]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.055528][  T604]  ? 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))
[   24.055530][  T604]  ? 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))
[   24.055534][  T604]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.055538][  T604]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.055544][  T604]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.055548][  T604]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.055552][  T604]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.055554][  T604]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.055559][  T604]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.055563][  T604]  ____sys_sendmsg (net/socket.c:2713)
[   24.055565][  T604]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.055568][  T604]  ? sock_write_iter (net/socket.c:1269)
[   24.055569][  T604]  ? move_addr_to_kernel (net/socket.c:258)
[   24.055574][  T604]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   24.055577][  T604]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.055580][  T604]  ___sys_sendmsg (net/socket.c:2767)
[   24.055582][  T604]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   24.055585][  T604]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.055587][  T604]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   24.055602][  T604]  __sys_sendmsg (net/socket.c:2799)
[   24.055605][  T604]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.055611][  T604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.055613][  T604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.055616][  T604]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.055619][  T604]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.055622][  T604]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.055624][  T604] RIP: 0033:0x7f9e7d63f54e
[   24.055628][  T604] 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
[   24.055630][  T604] RSP: 002b:00007fffb052da50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.055632][  T604] RAX: ffffffffffffffda RBX: 00007fffb052e218 RCX: 00007f9e7d63f54e
[   24.055634][  T604] RDX: 0000000000000000 RSI: 00007fffb052db00 RDI: 0000000000000005
[   24.055635][  T604] RBP: 00007fffb052da60 R08: 0000000000000000 R09: 0000000000000000
[   24.055635][  T604] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e90a
[   24.055636][  T604] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb052e1d0
| [   25.148186][  T642] softirqs last disabled at (30022): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   25.148189][  T642] Preemption disabled at:
| [   25.148189][  T642] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.148197][  T642] Tainted: [W]=WARN
[   25.148199][  T642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.148200][  T642] Call Trace:
[   25.148202][  T642]  <TASK>
[   25.148203][  T642]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.148209][  T642]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.148211][  T642]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.148216][  T642]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.148220][  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)
[   25.148224][  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))
[   25.148226][  T642]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.148233][  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)
[   25.148236][  T642]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.148239][  T642]  put_chars (drivers/char/virtio_console.c:1176)
[   25.148242][  T642]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.148248][  T642]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.148255][  T642]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.148259][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.148263][  T642]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.148267][  T642]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.148269][  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))
[   25.148273][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.148275][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.148279][  T642]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.148284][  T642]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.148285][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.148291][  T642]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.148294][  T642]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.148296][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.148297][  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)
[   25.148301][  T642]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.148303][  T642]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.148306][  T642]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.148309][  T642]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.148312][  T642]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   25.148317][  T642]  _printk (kernel/printk/printk.c:2504)
[   25.148320][  T642]  ? snapshot_read.cold (user.c:?)
[   25.148322][  T642]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.148325][  T642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.148328][  T642]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.148330][  T642]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.148334][  T642]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.148337][  T642]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.148339][  T642]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.148342][  T642]  ? netdev_notice (net/core/dev.c:13194)
[   25.148345][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.148348][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.148350][  T642]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.148354][  T642]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.148356][  T642]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   25.148358][  T642]  ? register_netdev (net/core/dev.c:11618)
[   25.148359][  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))
[   25.148365][  T642]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   25.148367][  T642]  ? __kernel_text_address (kernel/extable.c:79)
[   25.148370][  T642]  ? write_profile (profile.c:?)
[   25.148374][  T642]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   25.148379][  T642]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.148383][  T642]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.148385][  T642]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.148386][  T642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.148388][  T642]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.148392][  T642]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.148393][  T642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.148395][  T642]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.148398][  T642]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.148400][  T642]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.148401][  T642]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.148402][  T642]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.148404][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.148407][  T642]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   25.148409][  T642]  ? ___sys_sendmsg (net/socket.c:2758)
[   25.148413][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.148415][  T642]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.148418][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.148420][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.148421][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.148423][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.148424][  T642]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.148427][  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)
[   25.148428][  T642]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.148430][  T642]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.148433][  T642]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.148435][  T642]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.148440][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.148442][  T642]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.148447][  T642]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.148452][  T642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.148454][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.148459][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.148461][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.148463][  T642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.148465][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.148468][  T642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.148470][  T642]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.148474][  T642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.148475][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.148480][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.148481][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.148485][  T642]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.148488][  T642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.148491][  T642]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.148497][  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))
[   25.148500][  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))
[   25.148504][  T642]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.148508][  T642]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.148511][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.148515][  T642]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.148519][  T642]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.148523][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.148525][  T642]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   25.148530][  T642]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   25.148533][  T642]  ____sys_sendmsg (net/socket.c:2713)
[   25.148535][  T642]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.148537][  T642]  ? sock_write_iter (net/socket.c:1269)
[   25.148539][  T642]  ? move_addr_to_kernel (net/socket.c:258)
[   25.148546][  T642]  ___sys_sendmsg (net/socket.c:2767)
[   25.148549][  T642]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.148565][  T642]  __sys_sendmsg (net/socket.c:2799)
[   25.148568][  T642]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.148574][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.148577][  T642]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.148580][  T642]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.148583][  T642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.148585][  T642] RIP: 0033:0x7f5249f8f54e
[   25.148589][  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
[   25.148591][  T642] RSP: 002b:00007ffddda8c200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.148593][  T642] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5249f8f54e
[   25.148595][  T642] RDX: 0000000000000000 RSI: 00007ffddda8c2b0 RDI: 0000000000000005
[   25.148596][  T642] RBP: 00007ffddda8c210 R08: 0000000000000000 R09: 0000000000000000
[   25.148597][  T642] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e90b
[   25.148597][  T642] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddda8c970
| [   26.959101][  T700] softirqs last disabled at (18216): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   26.959103][  T700] Preemption disabled at:
| [   26.959103][  T700] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.959112][  T700] Tainted: [W]=WARN
[   26.959113][  T700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.959115][  T700] Call Trace:
[   26.959116][  T700]  <TASK>
[   26.959118][  T700]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.959124][  T700]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.959126][  T700]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.959130][  T700]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.959134][  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)
[   26.959139][  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))
[   26.959141][  T700]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.959148][  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)
[   26.959150][  T700]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.959154][  T700]  put_chars (drivers/char/virtio_console.c:1176)
[   26.959157][  T700]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.959158][  T700]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.959162][  T700]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.959165][  T700]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.959170][  T700]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.959174][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.959179][  T700]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.959182][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.959187][  T700]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.959191][  T700]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.959193][  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))
[   26.959197][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.959198][  T700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.959202][  T700]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.959207][  T700]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.959209][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.959214][  T700]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.959218][  T700]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.959219][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.959221][  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)
[   26.959225][  T700]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.959227][  T700]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.959230][  T700]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.959233][  T700]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.959235][  T700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.959238][  T700]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.959242][  T700]  _printk (kernel/printk/printk.c:2504)
[   26.959245][  T700]  ? snapshot_read.cold (user.c:?)
[   26.959249][  T700]  ? br_multicast_flood (??:?)
[   26.959252][  T700]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   26.959254][  T700]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   26.959255][  T700]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.959259][  T700]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   26.959264][  T700]  br_init_port (net/bridge/br_stp_if.c:39)
[   26.959267][  T700]  new_nbp (net/bridge/br_if.c:449)
[   26.959271][  T700]  br_add_if (net/bridge/br_if.c:592)
[   26.959273][  T700]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   26.959281][  T700]  do_set_master (net/core/rtnetlink.c:3071)
[   26.959285][  T700]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   26.959289][  T700]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   26.959290][  T700]  ? __dev_get_by_name (net/core/dev.c:905)
[   26.959293][  T700]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   26.959302][  T700]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   26.959309][  T700]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.959315][  T700]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.959317][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.959324][  T700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.959328][  T700]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.959330][  T700]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.959333][  T700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.959335][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.959340][  T700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.959342][  T700]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.959345][  T700]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.959348][  T700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.959351][  T700]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.959358][  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))
[   26.959360][  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))
[   26.959365][  T700]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.959369][  T700]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.959375][  T700]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.959379][  T700]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.959383][  T700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.959385][  T700]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   26.959390][  T700]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.959395][  T700]  ____sys_sendmsg (net/socket.c:2713)
[   26.959397][  T700]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.959399][  T700]  ? sock_write_iter (net/socket.c:1269)
[   26.959401][  T700]  ? move_addr_to_kernel (net/socket.c:258)
[   26.959406][  T700]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   26.959408][  T700]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.959412][  T700]  ___sys_sendmsg (net/socket.c:2767)
[   26.959414][  T700]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   26.959417][  T700]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.959419][  T700]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   26.959434][  T700]  __sys_sendmsg (net/socket.c:2799)
[   26.959437][  T700]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.959443][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.959445][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.959448][  T700]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.959452][  T700]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.959455][  T700]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.959457][  T700] RIP: 0033:0x7f0caa03654e
[   26.959461][  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
[   26.959463][  T700] RSP: 002b:00007fff89e048d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.959465][  T700] RAX: ffffffffffffffda RBX: 00007fff89e05098 RCX: 00007f0caa03654e
[   26.959467][  T700] RDX: 0000000000000000 RSI: 00007fff89e04980 RDI: 0000000000000005
[   26.959468][  T700] RBP: 00007fff89e048e0 R08: 0000000000000000 R09: 0000000000000000
[   26.959469][  T700] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e90d
[   26.959469][  T700] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff89e05050
| [   33.937449][   T12] softirqs last disabled at (273182): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   33.937452][   T12] Preemption disabled at:
| [   33.937452][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.937460][   T12] Tainted: [W]=WARN
[   33.937461][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.937463][   T12] Workqueue: netns cleanup_net
[   33.937466][   T12] Call Trace:
[   33.937468][   T12]  <TASK>
[   33.937470][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.937476][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.937478][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.937482][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.937486][   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)
[   33.937491][   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))
[   33.937492][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.937499][   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)
[   33.937501][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.937505][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   33.937508][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.937509][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.937513][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.937515][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.937520][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.937524][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.937529][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.937532][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.937537][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.937541][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.937543][   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))
[   33.937546][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.937548][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.937552][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.937556][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.937558][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.937564][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.937567][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.937569][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.937570][   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)
[   33.937574][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.937576][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.937579][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.937582][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.937583][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   33.937585][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.937587][   T12]  ? kthread (kernel/kthread.c:436)
[   33.937589][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   33.937592][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   33.937597][   T12]  _printk (kernel/printk/printk.c:2504)
[   33.937600][   T12]  ? snapshot_read.cold (user.c:?)
[   33.937604][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.937608][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.937612][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.937615][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   33.937619][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.937621][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   33.937624][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   33.937626][   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)
[   33.937628][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   33.937632][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   33.937636][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   33.937642][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   33.937650][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   33.937654][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   33.937657][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   33.937661][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.937662][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.937665][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   33.937670][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   33.937673][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.937677][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.937679][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.937682][   T12]  process_one_work (kernel/workqueue.c:3387)
[   33.937689][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   33.937692][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.937700][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.937709][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.937711][   T12]  kthread (kernel/kthread.c:436)
[   33.937713][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.937716][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.937719][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.937722][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   33.937725][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.937729][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.937731][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.002196][  T848] softirqs last disabled at (14948): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   35.002198][  T848] Preemption disabled at:
| [   35.002199][  T848] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.002207][  T848] Tainted: [W]=WARN
[   35.002208][  T848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.002210][  T848] Call Trace:
[   35.002212][  T848]  <TASK>
[   35.002213][  T848]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.002219][  T848]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.002220][  T848]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.002225][  T848]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.002229][  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)
[   35.002234][  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))
[   35.002236][  T848]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.002242][  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)
[   35.002245][  T848]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.002248][  T848]  put_chars (drivers/char/virtio_console.c:1176)
[   35.002251][  T848]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.002257][  T848]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.002265][  T848]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.002268][  T848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.002273][  T848]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.002277][  T848]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.002278][  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))
[   35.002282][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.002284][  T848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.002288][  T848]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.002293][  T848]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.002294][  T848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.002300][  T848]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.002303][  T848]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.002305][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.002306][  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)
[   35.002310][  T848]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.002312][  T848]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.002315][  T848]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.002318][  T848]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.002320][  T848]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   35.002326][  T848]  _printk (kernel/printk/printk.c:2504)
[   35.002329][  T848]  ? snapshot_read.cold (user.c:?)
[   35.002331][  T848]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.002334][  T848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.002336][  T848]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.002338][  T848]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.002342][  T848]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.002345][  T848]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.002347][  T848]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.002350][  T848]  ? netdev_notice (net/core/dev.c:13194)
[   35.002353][  T848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.002356][  T848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.002359][  T848]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.002362][  T848]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.002364][  T848]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.002366][  T848]  ? register_netdev (net/core/dev.c:11618)
[   35.002368][  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))
[   35.002373][  T848]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.002375][  T848]  ? __kernel_text_address (kernel/extable.c:79)
[   35.002378][  T848]  ? write_profile (profile.c:?)
[   35.002382][  T848]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.002388][  T848]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.002391][  T848]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.002393][  T848]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.002395][  T848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.002396][  T848]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.002400][  T848]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.002402][  T848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.002404][  T848]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.002406][  T848]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.002408][  T848]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.002409][  T848]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.002410][  T848]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   35.002413][  T848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.002415][  T848]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   35.002418][  T848]  ? ___sys_sendmsg (net/socket.c:2758)
[   35.002421][  T848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.002423][  T848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.002426][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.002428][  T848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.002429][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.002431][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.002432][  T848]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.002435][  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)
[   35.002436][  T848]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.002438][  T848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.002441][  T848]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.002442][  T848]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.002447][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.002450][  T848]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.002455][  T848]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.002460][  T848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.002462][  T848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.002467][  T848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.002469][  T848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.002471][  T848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.002473][  T848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.002476][  T848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.002478][  T848]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.002482][  T848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.002483][  T848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.002488][  T848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.002489][  T848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.002493][  T848]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.002496][  T848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.002499][  T848]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.002505][  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))
[   35.002508][  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))
[   35.002512][  T848]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.002516][  T848]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.002518][  T848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.002523][  T848]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.002527][  T848]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.002530][  T848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.002532][  T848]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   35.002537][  T848]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   35.002540][  T848]  ____sys_sendmsg (net/socket.c:2713)
[   35.002542][  T848]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.002544][  T848]  ? sock_write_iter (net/socket.c:1269)
[   35.002546][  T848]  ? move_addr_to_kernel (net/socket.c:258)
[   35.002553][  T848]  ___sys_sendmsg (net/socket.c:2767)
[   35.002556][  T848]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.002572][  T848]  __sys_sendmsg (net/socket.c:2799)
[   35.002575][  T848]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.002581][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.002584][  T848]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.002587][  T848]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.002590][  T848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.002592][  T848] RIP: 0033:0x7fd5b59f754e
[   35.002596][  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
[   35.002598][  T848] RSP: 002b:00007fff61e36110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.002600][  T848] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd5b59f754e
[   35.002602][  T848] RDX: 0000000000000000 RSI: 00007fff61e361c0 RDI: 0000000000000005
[   35.002602][  T848] RBP: 00007fff61e36120 R08: 0000000000000000 R09: 0000000000000000
[   35.002603][  T848] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e915
[   35.002604][  T848] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff61e36880
| [   36.777624][  T923] softirqs last disabled at (25182): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   36.777626][  T923] Preemption disabled at:
| [   36.777627][  T923] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.777635][  T923] Tainted: [W]=WARN
[   36.777636][  T923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.777638][  T923] Call Trace:
[   36.777639][  T923]  <TASK>
[   36.777641][  T923]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.777649][  T923]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.777651][  T923]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.777656][  T923]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.777660][  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)
[   36.777664][  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))
[   36.777666][  T923]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.777673][  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)
[   36.777675][  T923]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.777679][  T923]  put_chars (drivers/char/virtio_console.c:1176)
[   36.777681][  T923]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.777683][  T923]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.777686][  T923]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.777689][  T923]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.777694][  T923]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.777698][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.777703][  T923]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.777706][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.777711][  T923]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.777715][  T923]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.777717][  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))
[   36.777720][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.777722][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.777726][  T923]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.777730][  T923]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.777732][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.777737][  T923]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.777740][  T923]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.777742][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.777743][  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)
[   36.777747][  T923]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.777749][  T923]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.777751][  T923]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.777755][  T923]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.777757][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.777759][  T923]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.777763][  T923]  _printk (kernel/printk/printk.c:2504)
[   36.777766][  T923]  ? snapshot_read.cold (user.c:?)
[   36.777770][  T923]  ? br_multicast_flood (??:?)
[   36.777773][  T923]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   36.777774][  T923]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   36.777776][  T923]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.777780][  T923]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   36.777784][  T923]  br_init_port (net/bridge/br_stp_if.c:39)
[   36.777787][  T923]  new_nbp (net/bridge/br_if.c:449)
[   36.777791][  T923]  br_add_if (net/bridge/br_if.c:592)
[   36.777793][  T923]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   36.777800][  T923]  do_set_master (net/core/rtnetlink.c:3071)
[   36.777809][  T923]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   36.777812][  T923]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   36.777814][  T923]  ? __dev_get_by_name (net/core/dev.c:905)
[   36.777816][  T923]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   36.777825][  T923]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   36.777832][  T923]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.777837][  T923]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.777839][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.777846][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.777849][  T923]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.777851][  T923]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.777855][  T923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.777856][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.777860][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.777862][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.777866][  T923]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.777869][  T923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.777872][  T923]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.777878][  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))
[   36.777881][  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))
[   36.777885][  T923]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.777889][  T923]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.777895][  T923]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.777898][  T923]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.777902][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.777904][  T923]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   36.777910][  T923]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   36.777913][  T923]  ____sys_sendmsg (net/socket.c:2713)
[   36.777915][  T923]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.777918][  T923]  ? sock_write_iter (net/socket.c:1269)
[   36.777919][  T923]  ? move_addr_to_kernel (net/socket.c:258)
[   36.777924][  T923]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   36.777926][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.777930][  T923]  ___sys_sendmsg (net/socket.c:2767)
[   36.777932][  T923]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   36.777934][  T923]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.777937][  T923]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   36.777951][  T923]  __sys_sendmsg (net/socket.c:2799)
[   36.777954][  T923]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.777959][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.777961][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.777964][  T923]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.777968][  T923]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.777971][  T923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.777973][  T923] RIP: 0033:0x7fb13770454e
[   36.777977][  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
[   36.777978][  T923] RSP: 002b:00007ffd523a32f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.777981][  T923] RAX: ffffffffffffffda RBX: 00007ffd523a3ab8 RCX: 00007fb13770454e
[   36.777982][  T923] RDX: 0000000000000000 RSI: 00007ffd523a33a0 RDI: 0000000000000005
[   36.777983][  T923] RBP: 00007ffd523a3300 R08: 0000000000000000 R09: 0000000000000000
[   36.777984][  T923] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e917
[   36.777985][  T923] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd523a3a70
| [   37.925361][  T962] softirqs last disabled at (28580): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   37.925363][  T962] Preemption disabled at:
| [   37.925364][  T962] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.925372][  T962] Tainted: [W]=WARN
[   37.925373][  T962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.925375][  T962] Call Trace:
[   37.925377][  T962]  <TASK>
[   37.925378][  T962]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.925384][  T962]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.925386][  T962]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.925390][  T962]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.925394][  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)
[   37.925399][  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))
[   37.925401][  T962]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.925407][  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)
[   37.925410][  T962]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.925413][  T962]  put_chars (drivers/char/virtio_console.c:1176)
[   37.925416][  T962]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.925422][  T962]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.925429][  T962]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.925432][  T962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.925437][  T962]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.925441][  T962]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.925443][  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))
[   37.925446][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.925449][  T962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.925452][  T962]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.925457][  T962]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.925459][  T962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.925464][  T962]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.925467][  T962]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.925468][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.925470][  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)
[   37.925474][  T962]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.925475][  T962]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.925478][  T962]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.925481][  T962]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.925484][  T962]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   37.925489][  T962]  _printk (kernel/printk/printk.c:2504)
[   37.925492][  T962]  ? snapshot_read.cold (user.c:?)
[   37.925494][  T962]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.925497][  T962]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.925499][  T962]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.925501][  T962]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.925505][  T962]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.925508][  T962]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.925510][  T962]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.925513][  T962]  ? netdev_notice (net/core/dev.c:13194)
[   37.925516][  T962]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.925519][  T962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.925521][  T962]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.925525][  T962]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.925527][  T962]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   37.925529][  T962]  ? register_netdev (net/core/dev.c:11618)
[   37.925530][  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))
[   37.925535][  T962]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   37.925538][  T962]  ? __kernel_text_address (kernel/extable.c:79)
[   37.925541][  T962]  ? write_profile (profile.c:?)
[   37.925544][  T962]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.925550][  T962]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.925553][  T962]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.925555][  T962]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.925557][  T962]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.925559][  T962]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.925562][  T962]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.925564][  T962]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.925566][  T962]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.925568][  T962]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.925570][  T962]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.925571][  T962]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.925572][  T962]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.925575][  T962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.925576][  T962]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   37.925579][  T962]  ? ___sys_sendmsg (net/socket.c:2758)
[   37.925583][  T962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.925585][  T962]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.925587][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.925589][  T962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.925591][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.925592][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.925593][  T962]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.925596][  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)
[   37.925597][  T962]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.925599][  T962]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.925602][  T962]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.925603][  T962]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.925608][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.925610][  T962]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.925615][  T962]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.925621][  T962]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.925623][  T962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.925627][  T962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.925629][  T962]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.925631][  T962]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.925633][  T962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.925636][  T962]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.925638][  T962]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.925641][  T962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.925643][  T962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.925649][  T962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.925651][  T962]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.925655][  T962]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.925658][  T962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.925660][  T962]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.925667][  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))
[   37.925669][  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))
[   37.925673][  T962]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.925677][  T962]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.925680][  T962]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.925684][  T962]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.925688][  T962]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.925692][  T962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.925693][  T962]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   37.925698][  T962]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   37.925702][  T962]  ____sys_sendmsg (net/socket.c:2713)
[   37.925706][  T962]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.925709][  T962]  ? sock_write_iter (net/socket.c:1269)
[   37.925710][  T962]  ? move_addr_to_kernel (net/socket.c:258)
[   37.925717][  T962]  ___sys_sendmsg (net/socket.c:2767)
[   37.925720][  T962]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.925736][  T962]  __sys_sendmsg (net/socket.c:2799)
[   37.925738][  T962]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.925745][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.925747][  T962]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.925750][  T962]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.925753][  T962]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.925755][  T962] RIP: 0033:0x7f3a14c5454e
[   37.925759][  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
[   37.925761][  T962] RSP: 002b:00007ffe6713a150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.925763][  T962] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3a14c5454e
[   37.925765][  T962] RDX: 0000000000000000 RSI: 00007ffe6713a200 RDI: 0000000000000005
[   37.925766][  T962] RBP: 00007ffe6713a160 R08: 0000000000000000 R09: 0000000000000000
[   37.925766][  T962] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e918
[   37.925767][  T962] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6713a8c0
| [   39.652851][ T1012] softirqs last disabled at (24972): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   39.652853][ T1012] Preemption disabled at:
| [   39.652854][ T1012] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.652862][ T1012] Tainted: [W]=WARN
[   39.652863][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.652865][ T1012] Call Trace:
[   39.652866][ T1012]  <TASK>
[   39.652868][ T1012]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.652874][ T1012]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.652875][ T1012]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.652880][ T1012]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.652884][ 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)
[   39.652888][ 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))
[   39.652890][ T1012]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.652896][ 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)
[   39.652899][ T1012]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.652903][ T1012]  put_chars (drivers/char/virtio_console.c:1176)
[   39.652905][ T1012]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.652906][ T1012]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.652910][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.652913][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.652918][ T1012]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.652922][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.652927][ T1012]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.652930][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.652935][ T1012]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.652939][ T1012]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.652940][ 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))
[   39.652944][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.652945][ T1012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.652949][ T1012]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.652953][ T1012]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.652955][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.652960][ T1012]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.652963][ T1012]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.652965][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.652967][ 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)
[   39.652970][ T1012]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.652972][ T1012]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.652975][ T1012]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.652978][ T1012]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.652980][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.652983][ T1012]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   39.652986][ T1012]  _printk (kernel/printk/printk.c:2504)
[   39.652990][ T1012]  ? snapshot_read.cold (user.c:?)
[   39.652993][ T1012]  ? br_multicast_flood (??:?)
[   39.652996][ T1012]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   39.652998][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   39.652999][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.653003][ T1012]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   39.653007][ T1012]  br_init_port (net/bridge/br_stp_if.c:39)
[   39.653010][ T1012]  new_nbp (net/bridge/br_if.c:449)
[   39.653014][ T1012]  br_add_if (net/bridge/br_if.c:592)
[   39.653016][ T1012]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   39.653023][ T1012]  do_set_master (net/core/rtnetlink.c:3071)
[   39.653027][ T1012]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   39.653030][ T1012]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   39.653032][ T1012]  ? __dev_get_by_name (net/core/dev.c:905)
[   39.653034][ T1012]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   39.653043][ T1012]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   39.653050][ T1012]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.653055][ T1012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.653057][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.653064][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.653067][ T1012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.653069][ T1012]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.653072][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.653074][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.653078][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.653080][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.653084][ T1012]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.653087][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.653090][ T1012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.653096][ 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))
[   39.653098][ 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))
[   39.653102][ T1012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.653106][ T1012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.653112][ T1012]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.653116][ T1012]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.653120][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.653121][ T1012]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   39.653127][ T1012]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   39.653131][ T1012]  ____sys_sendmsg (net/socket.c:2713)
[   39.653133][ T1012]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.653135][ T1012]  ? sock_write_iter (net/socket.c:1269)
[   39.653137][ T1012]  ? move_addr_to_kernel (net/socket.c:258)
[   39.653141][ T1012]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   39.653144][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.653148][ T1012]  ___sys_sendmsg (net/socket.c:2767)
[   39.653149][ T1012]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   39.653152][ T1012]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.653154][ T1012]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   39.653169][ T1012]  __sys_sendmsg (net/socket.c:2799)
[   39.653172][ T1012]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.653177][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.653179][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.653182][ T1012]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.653185][ T1012]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.653188][ T1012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.653190][ T1012] RIP: 0033:0x7f345fa9054e
[   39.653194][ 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
[   39.653196][ T1012] RSP: 002b:00007ffcb9e47d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.653199][ T1012] RAX: ffffffffffffffda RBX: 00007ffcb9e48528 RCX: 00007f345fa9054e
[   39.653200][ T1012] RDX: 0000000000000000 RSI: 00007ffcb9e47e10 RDI: 0000000000000005
[   39.653201][ T1012] RBP: 00007ffcb9e47d70 R08: 0000000000000000 R09: 0000000000000000
[   39.653202][ T1012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e91a
[   39.653203][ T1012] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb9e484e0
| [   46.554016][   T12] softirqs last disabled at (552948): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   46.554018][   T12] Preemption disabled at:
| [   46.554019][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.554027][   T12] Tainted: [W]=WARN
[   46.554028][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.554030][   T12] Workqueue: netns cleanup_net
[   46.554033][   T12] Call Trace:
[   46.554035][   T12]  <TASK>
[   46.554037][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.554043][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.554044][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.554049][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.554053][   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)
[   46.554058][   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))
[   46.554059][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.554066][   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)
[   46.554069][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.554073][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   46.554075][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.554076][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.554080][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.554083][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.554088][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.554092][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.554097][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.554101][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.554105][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.554109][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.554111][   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))
[   46.554114][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.554116][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.554120][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.554125][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.554126][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.554132][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.554135][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.554137][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.554138][   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)
[   46.554142][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.554144][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.554147][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.554150][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.554151][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   46.554153][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   46.554155][   T12]  ? kthread (kernel/kthread.c:436)
[   46.554157][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   46.554160][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   46.554165][   T12]  _printk (kernel/printk/printk.c:2504)
[   46.554169][   T12]  ? snapshot_read.cold (user.c:?)
[   46.554173][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.554177][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.554181][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.554184][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   46.554188][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.554190][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   46.554193][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   46.554195][   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)
[   46.554197][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   46.554201][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   46.554205][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   46.554211][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   46.554215][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   46.554218][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   46.554222][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   46.554225][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   46.554227][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.554230][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   46.554235][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   46.554238][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   46.554242][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.554244][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.554247][   T12]  process_one_work (kernel/workqueue.c:3387)
[   46.554253][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   46.554256][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.554264][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   46.554271][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   46.554273][   T12]  kthread (kernel/kthread.c:436)
[   46.554275][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.554279][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   46.554282][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   46.554285][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   46.554288][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   46.554292][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   46.554295][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.675413][ T1160] softirqs last disabled at (13364): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   47.675416][ T1160] Preemption disabled at:
| [   47.675417][ T1160] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.675425][ T1160] Tainted: [W]=WARN
[   47.675426][ T1160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.675428][ T1160] Call Trace:
[   47.675429][ T1160]  <TASK>
[   47.675431][ T1160]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.675437][ T1160]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.675438][ T1160]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.675443][ T1160]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.675447][ 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)
[   47.675451][ 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))
[   47.675453][ T1160]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.675459][ 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)
[   47.675462][ T1160]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.675466][ T1160]  put_chars (drivers/char/virtio_console.c:1176)
[   47.675468][ T1160]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.675474][ T1160]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.675482][ T1160]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.675485][ T1160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.675489][ T1160]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.675493][ T1160]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.675495][ 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))
[   47.675498][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.675501][ T1160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.675505][ T1160]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.675509][ T1160]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.675511][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.675516][ T1160]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.675519][ T1160]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.675521][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.675522][ 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)
[   47.675526][ T1160]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.675528][ T1160]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.675531][ T1160]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.675534][ T1160]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.675536][ T1160]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   47.675541][ T1160]  _printk (kernel/printk/printk.c:2504)
[   47.675545][ T1160]  ? snapshot_read.cold (user.c:?)
[   47.675546][ T1160]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.675549][ T1160]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.675552][ T1160]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.675554][ T1160]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.675558][ T1160]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.675561][ T1160]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.675563][ T1160]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.675566][ T1160]  ? netdev_notice (net/core/dev.c:13194)
[   47.675569][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.675572][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.675574][ T1160]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.675578][ T1160]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.675580][ T1160]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   47.675582][ T1160]  ? register_netdev (net/core/dev.c:11618)
[   47.675583][ 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))
[   47.675588][ T1160]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   47.675591][ T1160]  ? __kernel_text_address (kernel/extable.c:79)
[   47.675594][ T1160]  ? write_profile (profile.c:?)
[   47.675598][ T1160]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   47.675603][ T1160]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.675606][ T1160]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.675609][ T1160]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.675610][ T1160]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.675612][ T1160]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.675615][ T1160]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.675617][ T1160]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.675619][ T1160]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.675621][ T1160]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.675623][ T1160]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.675624][ T1160]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.675625][ T1160]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.675627][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.675629][ T1160]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   47.675632][ T1160]  ? ___sys_sendmsg (net/socket.c:2758)
[   47.675636][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.675638][ T1160]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.675640][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.675642][ T1160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.675643][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.675644][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.675649][ T1160]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.675651][ 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)
[   47.675653][ T1160]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.675655][ T1160]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.675658][ T1160]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.675659][ T1160]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.675664][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.675666][ T1160]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.675671][ T1160]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.675676][ T1160]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.675678][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.675683][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.675684][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.675686][ T1160]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.675688][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.675692][ T1160]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.675694][ T1160]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.675697][ T1160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.675698][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.675706][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.675708][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.675712][ T1160]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.675715][ T1160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.675718][ T1160]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.675724][ 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))
[   47.675726][ 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))
[   47.675730][ T1160]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.675734][ T1160]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.675737][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.675741][ T1160]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.675745][ T1160]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.675749][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.675750][ T1160]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   47.675756][ T1160]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   47.675758][ T1160]  ____sys_sendmsg (net/socket.c:2713)
[   47.675761][ T1160]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.675763][ T1160]  ? sock_write_iter (net/socket.c:1269)
[   47.675764][ T1160]  ? move_addr_to_kernel (net/socket.c:258)
[   47.675772][ T1160]  ___sys_sendmsg (net/socket.c:2767)
[   47.675774][ T1160]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.675790][ T1160]  __sys_sendmsg (net/socket.c:2799)
[   47.675792][ T1160]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.675799][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.675802][ T1160]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.675804][ T1160]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.675807][ T1160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.675810][ T1160] RIP: 0033:0x7f591035254e
[   47.675813][ 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
[   47.675815][ T1160] RSP: 002b:00007fff09eaf040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.675818][ T1160] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f591035254e
[   47.675819][ T1160] RDX: 0000000000000000 RSI: 00007fff09eaf0f0 RDI: 0000000000000005
[   47.675820][ T1160] RBP: 00007fff09eaf050 R08: 0000000000000000 R09: 0000000000000000
[   47.675820][ T1160] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e922
[   47.675821][ T1160] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff09eaf7b0
| [   49.410670][ T1235] softirqs last disabled at (16528): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   49.410672][ T1235] Preemption disabled at:
| [   49.410673][ T1235] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.410681][ T1235] Tainted: [W]=WARN
[   49.410682][ T1235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.410684][ T1235] Call Trace:
[   49.410685][ T1235]  <TASK>
[   49.410687][ T1235]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.410693][ T1235]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.410694][ T1235]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.410699][ T1235]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.410703][ 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)
[   49.410708][ 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))
[   49.410710][ T1235]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.410716][ 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)
[   49.410718][ T1235]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.410722][ T1235]  put_chars (drivers/char/virtio_console.c:1176)
[   49.410724][ T1235]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.410726][ T1235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.410729][ T1235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.410732][ T1235]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.410737][ T1235]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.410740][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.410746][ T1235]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.410749][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.410753][ T1235]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.410757][ T1235]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.410759][ 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))
[   49.410762][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.410764][ T1235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.410768][ T1235]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.410772][ T1235]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.410774][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.410779][ T1235]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.410782][ T1235]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.410784][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.410785][ 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)
[   49.410789][ T1235]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.410791][ T1235]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.410793][ T1235]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.410797][ T1235]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.410798][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.410801][ T1235]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.410805][ T1235]  _printk (kernel/printk/printk.c:2504)
[   49.410808][ T1235]  ? snapshot_read.cold (user.c:?)
[   49.410812][ T1235]  ? br_multicast_flood (??:?)
[   49.410815][ T1235]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   49.410816][ T1235]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   49.410817][ T1235]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.410821][ T1235]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   49.410826][ T1235]  br_init_port (net/bridge/br_stp_if.c:39)
[   49.410828][ T1235]  new_nbp (net/bridge/br_if.c:449)
[   49.410832][ T1235]  br_add_if (net/bridge/br_if.c:592)
[   49.410834][ T1235]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   49.410846][ T1235]  do_set_master (net/core/rtnetlink.c:3071)
[   49.410849][ T1235]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   49.410853][ T1235]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   49.410855][ T1235]  ? __dev_get_by_name (net/core/dev.c:905)
[   49.410857][ T1235]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   49.410866][ T1235]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   49.410873][ T1235]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.410878][ T1235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.410880][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.410886][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.410890][ T1235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.410892][ T1235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.410895][ T1235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.410897][ T1235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.410901][ T1235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.410903][ T1235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.410907][ T1235]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.410910][ T1235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.410913][ T1235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.410919][ 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))
[   49.410921][ 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))
[   49.410925][ T1235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.410929][ T1235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.410935][ T1235]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.410939][ T1235]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.410943][ T1235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.410944][ T1235]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   49.410950][ T1235]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   49.410954][ T1235]  ____sys_sendmsg (net/socket.c:2713)
[   49.410956][ T1235]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.410959][ T1235]  ? sock_write_iter (net/socket.c:1269)
[   49.410960][ T1235]  ? move_addr_to_kernel (net/socket.c:258)
[   49.410965][ T1235]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   49.410967][ T1235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.410971][ T1235]  ___sys_sendmsg (net/socket.c:2767)
[   49.410973][ T1235]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   49.410975][ T1235]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.410978][ T1235]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   49.410992][ T1235]  __sys_sendmsg (net/socket.c:2799)
[   49.410995][ T1235]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.411001][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.411002][ T1235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.411005][ T1235]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.411009][ T1235]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.411012][ T1235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.411014][ T1235] RIP: 0033:0x7f7bc737554e
[   49.411018][ 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
[   49.411020][ T1235] RSP: 002b:00007ffe0ac28c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.411023][ T1235] RAX: ffffffffffffffda RBX: 00007ffe0ac29428 RCX: 00007f7bc737554e
[   49.411024][ T1235] RDX: 0000000000000000 RSI: 00007ffe0ac28d10 RDI: 0000000000000005
[   49.411025][ T1235] RBP: 00007ffe0ac28c70 R08: 0000000000000000 R09: 0000000000000000
[   49.411026][ T1235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e923
[   49.411026][ T1235] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0ac293e0
| [   50.514870][ T1274] softirqs last disabled at (13728): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   50.514873][ T1274] Preemption disabled at:
| [   50.514873][ T1274] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.514882][ T1274] Tainted: [W]=WARN
[   50.514883][ T1274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.514885][ T1274] Call Trace:
[   50.514886][ T1274]  <TASK>
[   50.514888][ T1274]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.514893][ T1274]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.514895][ T1274]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.514899][ T1274]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.514904][ 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)
[   50.514908][ 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))
[   50.514910][ T1274]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.514916][ 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)
[   50.514919][ T1274]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.514923][ T1274]  put_chars (drivers/char/virtio_console.c:1176)
[   50.514925][ T1274]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.514931][ T1274]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.514938][ T1274]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.514941][ T1274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.514946][ T1274]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.514949][ T1274]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.514951][ 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))
[   50.514955][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.514957][ T1274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.514961][ T1274]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.514965][ T1274]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.514967][ T1274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.514972][ T1274]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.514975][ T1274]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.514977][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.514978][ 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)
[   50.514982][ T1274]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.514984][ T1274]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.514986][ T1274]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.514990][ T1274]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.514992][ T1274]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   50.514997][ T1274]  _printk (kernel/printk/printk.c:2504)
[   50.515001][ T1274]  ? snapshot_read.cold (user.c:?)
[   50.515002][ T1274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.515005][ T1274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.515008][ T1274]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.515010][ T1274]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.515014][ T1274]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.515016][ T1274]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.515019][ T1274]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.515021][ T1274]  ? netdev_notice (net/core/dev.c:13194)
[   50.515024][ T1274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.515027][ T1274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.515029][ T1274]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.515033][ T1274]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.515035][ T1274]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   50.515037][ T1274]  ? register_netdev (net/core/dev.c:11618)
[   50.515038][ 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))
[   50.515043][ T1274]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   50.515046][ T1274]  ? __kernel_text_address (kernel/extable.c:79)
[   50.515048][ T1274]  ? write_profile (profile.c:?)
[   50.515052][ T1274]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.515058][ T1274]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.515061][ T1274]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.515063][ T1274]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.515064][ T1274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.515066][ T1274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.515069][ T1274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.515071][ T1274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.515073][ T1274]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.515075][ T1274]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.515077][ T1274]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.515078][ T1274]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.515079][ T1274]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.515082][ T1274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.515084][ T1274]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   50.515086][ T1274]  ? ___sys_sendmsg (net/socket.c:2758)
[   50.515090][ T1274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.515092][ T1274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.515094][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.515096][ T1274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.515098][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.515099][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.515100][ T1274]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.515103][ 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)
[   50.515104][ T1274]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.515106][ T1274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.515109][ T1274]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.515110][ T1274]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.515115][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.515117][ T1274]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.515122][ T1274]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.515127][ T1274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.515129][ T1274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.515134][ T1274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.515136][ T1274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.515137][ T1274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.515139][ T1274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.515143][ T1274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.515145][ T1274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.515148][ T1274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.515149][ T1274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.515153][ T1274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.515155][ T1274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.515159][ T1274]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.515162][ T1274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.515164][ T1274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.515171][ 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))
[   50.515173][ 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))
[   50.515177][ T1274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.515181][ T1274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.515183][ T1274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.515187][ T1274]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.515191][ T1274]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.515195][ T1274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.515197][ T1274]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   50.515202][ T1274]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   50.515205][ T1274]  ____sys_sendmsg (net/socket.c:2713)
[   50.515207][ T1274]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.515209][ T1274]  ? sock_write_iter (net/socket.c:1269)
[   50.515210][ T1274]  ? move_addr_to_kernel (net/socket.c:258)
[   50.515218][ T1274]  ___sys_sendmsg (net/socket.c:2767)
[   50.515220][ T1274]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.515236][ T1274]  __sys_sendmsg (net/socket.c:2799)
[   50.515239][ T1274]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.515245][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.515248][ T1274]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.515251][ T1274]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.515253][ T1274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.515255][ T1274] RIP: 0033:0x7fbe4b0cc54e
[   50.515259][ 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
[   50.515261][ T1274] RSP: 002b:00007fff2be81fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.515264][ T1274] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fbe4b0cc54e
[   50.515265][ T1274] RDX: 0000000000000000 RSI: 00007fff2be82060 RDI: 0000000000000005
[   50.515266][ T1274] RBP: 00007fff2be81fc0 R08: 0000000000000000 R09: 0000000000000000
[   50.515267][ T1274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e924
[   50.515268][ T1274] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2be82720
| [   52.197159][ T1324] softirqs last disabled at (18990): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   52.197161][ T1324] Preemption disabled at:
| [   52.197162][ T1324] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.197171][ T1324] Tainted: [W]=WARN
[   52.197172][ T1324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.197173][ T1324] Call Trace:
[   52.197175][ T1324]  <TASK>
[   52.197176][ T1324]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.197182][ T1324]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.197183][ T1324]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.197188][ T1324]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.197192][ 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)
[   52.197197][ 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))
[   52.197198][ T1324]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.197205][ 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)
[   52.197207][ T1324]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.197211][ T1324]  put_chars (drivers/char/virtio_console.c:1176)
[   52.197213][ T1324]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.197215][ T1324]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.197218][ T1324]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.197221][ T1324]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.197226][ T1324]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.197230][ T1324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.197235][ T1324]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.197238][ T1324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.197242][ T1324]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.197246][ T1324]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.197248][ 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))
[   52.197252][ T1324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.197253][ T1324]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.197257][ T1324]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.197261][ T1324]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.197263][ T1324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.197269][ T1324]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.197271][ T1324]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.197273][ T1324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.197275][ 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)
[   52.197279][ T1324]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.197281][ T1324]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.197283][ T1324]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.197286][ T1324]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.197288][ T1324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.197291][ T1324]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.197294][ T1324]  _printk (kernel/printk/printk.c:2504)
[   52.197298][ T1324]  ? snapshot_read.cold (user.c:?)
[   52.197301][ T1324]  ? br_multicast_flood (??:?)
[   52.197305][ T1324]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   52.197306][ T1324]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   52.197307][ T1324]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.197311][ T1324]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   52.197315][ T1324]  br_init_port (net/bridge/br_stp_if.c:39)
[   52.197318][ T1324]  new_nbp (net/bridge/br_if.c:449)
[   52.197322][ T1324]  br_add_if (net/bridge/br_if.c:592)
[   52.197324][ T1324]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   52.197331][ T1324]  do_set_master (net/core/rtnetlink.c:3071)
[   52.197335][ T1324]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   52.197338][ T1324]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   52.197340][ T1324]  ? __dev_get_by_name (net/core/dev.c:905)
[   52.197342][ T1324]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   52.197351][ T1324]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   52.197358][ T1324]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.197363][ T1324]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.197365][ T1324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.197372][ T1324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.197376][ T1324]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.197378][ T1324]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.197381][ T1324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.197382][ T1324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.197387][ T1324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.197389][ T1324]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.197392][ T1324]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.197395][ T1324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.197398][ T1324]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.197404][ 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))
[   52.197406][ 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))
[   52.197411][ T1324]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.197415][ T1324]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.197421][ T1324]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.197425][ T1324]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.197428][ T1324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.197430][ T1324]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   52.197435][ T1324]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   52.197439][ T1324]  ____sys_sendmsg (net/socket.c:2713)
[   52.197442][ T1324]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.197444][ T1324]  ? sock_write_iter (net/socket.c:1269)
[   52.197446][ T1324]  ? move_addr_to_kernel (net/socket.c:258)
[   52.197450][ T1324]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   52.197453][ T1324]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.197456][ T1324]  ___sys_sendmsg (net/socket.c:2767)
[   52.197458][ T1324]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   52.197461][ T1324]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.197463][ T1324]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   52.197478][ T1324]  __sys_sendmsg (net/socket.c:2799)
[   52.197480][ T1324]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.197486][ T1324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.197488][ T1324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.197491][ T1324]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.197494][ T1324]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.197497][ T1324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.197499][ T1324] RIP: 0033:0x7fe12d8be54e
[   52.197503][ 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
[   52.197505][ T1324] RSP: 002b:00007ffd77f99570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.197508][ T1324] RAX: ffffffffffffffda RBX: 00007ffd77f99d38 RCX: 00007fe12d8be54e
[   52.197509][ T1324] RDX: 0000000000000000 RSI: 00007ffd77f99620 RDI: 0000000000000005
[   52.197510][ T1324] RBP: 00007ffd77f99580 R08: 0000000000000000 R09: 0000000000000000
[   52.197511][ T1324] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e926
[   52.197512][ T1324] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd77f99cf0
| [   59.069088][   T12] softirqs last disabled at (817626): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   59.069090][   T12] Preemption disabled at:
| [   59.069091][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.069099][   T12] Tainted: [W]=WARN
[   59.069100][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.069102][   T12] Workqueue: netns cleanup_net
[   59.069105][   T12] Call Trace:
[   59.069107][   T12]  <TASK>
[   59.069109][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.069115][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.069116][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.069121][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.069125][   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)
[   59.069129][   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))
[   59.069131][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.069137][   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)
[   59.069140][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.069144][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   59.069146][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.069147][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.069151][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.069154][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.069159][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.069163][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.069168][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.069171][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.069176][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.069180][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.069182][   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))
[   59.069185][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.069187][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.069191][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.069195][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.069197][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.069202][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.069205][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.069207][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.069209][   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)
[   59.069213][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.069215][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.069217][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.069221][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.069222][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   59.069224][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   59.069226][   T12]  ? kthread (kernel/kthread.c:436)
[   59.069228][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   59.069231][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   59.069235][   T12]  _printk (kernel/printk/printk.c:2504)
[   59.069239][   T12]  ? snapshot_read.cold (user.c:?)
[   59.069243][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.069247][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.069251][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.069254][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   59.069258][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.069260][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   59.069263][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   59.069265][   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)
[   59.069267][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   59.069271][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   59.069275][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   59.069281][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   59.069285][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   59.069288][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   59.069292][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   59.069296][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   59.069297][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.069300][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   59.069305][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   59.069308][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   59.069312][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.069314][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.069317][   T12]  process_one_work (kernel/workqueue.c:3387)
[   59.069324][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   59.069327][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.069334][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   59.069341][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   59.069344][   T12]  kthread (kernel/kthread.c:436)
[   59.069345][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   59.069349][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   59.069352][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   59.069355][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   59.069358][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   59.069361][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   59.069364][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   60.166730][ T1472] softirqs last disabled at (16376): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   60.166733][ T1472] Preemption disabled at:
| [   60.166733][ T1472] vprintk_emit (kernel/printk/printk.c:2471)
| [   60.166742][ T1472] Tainted: [W]=WARN
[   60.166743][ T1472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.166744][ T1472] Call Trace:
[   60.166746][ T1472]  <TASK>
[   60.166748][ T1472]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.166753][ T1472]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   60.166755][ T1472]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.166760][ T1472]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.166764][ 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)
[   60.166768][ 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))
[   60.166770][ T1472]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.166776][ 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)
[   60.166779][ T1472]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.166782][ T1472]  put_chars (drivers/char/virtio_console.c:1176)
[   60.166785][ T1472]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.166791][ T1472]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.166798][ T1472]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.166801][ T1472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.166806][ T1472]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.166810][ T1472]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.166812][ 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))
[   60.166815][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.166818][ T1472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.166821][ T1472]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.166826][ T1472]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.166827][ T1472]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.166833][ T1472]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.166835][ T1472]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.166837][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.166839][ 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)
[   60.166843][ T1472]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.166845][ T1472]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.166847][ T1472]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.166850][ T1472]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.166853][ T1472]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   60.166858][ T1472]  _printk (kernel/printk/printk.c:2504)
[   60.166861][ T1472]  ? snapshot_read.cold (user.c:?)
[   60.166863][ T1472]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.166866][ T1472]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.166869][ T1472]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.166871][ T1472]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   60.166878][ T1472]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   60.166881][ T1472]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.166884][ T1472]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   60.166887][ T1472]  ? netdev_notice (net/core/dev.c:13194)
[   60.166889][ T1472]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.166892][ T1472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.166895][ T1472]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   60.166898][ T1472]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.166900][ T1472]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   60.166903][ T1472]  ? register_netdev (net/core/dev.c:11618)
[   60.166904][ 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))
[   60.166909][ T1472]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   60.166912][ T1472]  ? __kernel_text_address (kernel/extable.c:79)
[   60.166914][ T1472]  ? write_profile (profile.c:?)
[   60.166918][ T1472]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   60.166924][ T1472]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.166928][ T1472]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   60.166930][ T1472]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   60.166931][ T1472]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   60.166933][ T1472]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.166936][ T1472]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.166938][ T1472]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.166940][ T1472]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.166942][ T1472]  ? kasan_save_stack (mm/kasan/common.c:58)
[   60.166944][ T1472]  ? kasan_save_stack (mm/kasan/common.c:57)
[   60.166945][ T1472]  ? kasan_save_track (mm/kasan/common.c:78)
[   60.166946][ T1472]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   60.166949][ T1472]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.166951][ T1472]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   60.166953][ T1472]  ? ___sys_sendmsg (net/socket.c:2758)
[   60.166957][ T1472]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.166959][ T1472]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.166962][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.166963][ T1472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.166965][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.166966][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.166967][ T1472]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   60.166970][ 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)
[   60.166971][ T1472]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   60.166973][ T1472]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.166976][ T1472]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   60.166977][ T1472]  ? nla_get_range_signed (lib/nlattr.c:270)
[   60.166982][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.166984][ T1472]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   60.166989][ T1472]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   60.166994][ T1472]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.166996][ T1472]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.167001][ T1472]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.167003][ T1472]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.167004][ T1472]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.167006][ T1472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.167010][ T1472]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.167012][ T1472]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   60.167015][ T1472]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.167016][ T1472]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.167021][ T1472]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.167023][ T1472]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.167026][ T1472]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   60.167029][ T1472]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.167032][ T1472]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.167038][ 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))
[   60.167040][ 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))
[   60.167045][ T1472]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.167049][ T1472]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.167051][ T1472]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.167055][ T1472]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   60.167059][ T1472]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   60.167063][ T1472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.167065][ T1472]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   60.167070][ T1472]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   60.167072][ T1472]  ____sys_sendmsg (net/socket.c:2713)
[   60.167075][ T1472]  ? copy_msghdr_from_user (net/socket.c:2650)
[   60.167077][ T1472]  ? sock_write_iter (net/socket.c:1269)
[   60.167078][ T1472]  ? move_addr_to_kernel (net/socket.c:258)
[   60.167086][ T1472]  ___sys_sendmsg (net/socket.c:2767)
[   60.167088][ T1472]  ? copy_msghdr_from_user (net/socket.c:2619)
[   60.167104][ T1472]  __sys_sendmsg (net/socket.c:2799)
[   60.167107][ T1472]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   60.167113][ T1472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.167116][ T1472]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   60.167119][ T1472]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   60.167121][ T1472]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.167124][ T1472] RIP: 0033:0x7f1519abe54e
[   60.167127][ 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
[   60.167129][ T1472] RSP: 002b:00007fff80f4c3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.167132][ T1472] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1519abe54e
[   60.167134][ T1472] RDX: 0000000000000000 RSI: 00007fff80f4c460 RDI: 0000000000000005
[   60.167134][ T1472] RBP: 00007fff80f4c3c0 R08: 0000000000000000 R09: 0000000000000000
[   60.167135][ T1472] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e92e
[   60.167136][ T1472] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff80f4cb20
| [   61.908020][ T1546] softirqs last disabled at (29644): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   61.908022][ T1546] Preemption disabled at:
| [   61.908023][ T1546] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.908031][ T1546] Tainted: [W]=WARN
[   61.908032][ T1546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.908033][ T1546] Call Trace:
[   61.908035][ T1546]  <TASK>
[   61.908036][ T1546]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.908042][ T1546]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.908044][ T1546]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.908048][ T1546]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.908052][ 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)
[   61.908057][ 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))
[   61.908059][ T1546]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.908065][ 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)
[   61.908067][ T1546]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.908071][ T1546]  put_chars (drivers/char/virtio_console.c:1176)
[   61.908073][ T1546]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.908075][ T1546]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.908078][ T1546]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.908081][ T1546]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.908086][ T1546]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.908090][ T1546]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.908095][ T1546]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.908098][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.908102][ T1546]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.908106][ T1546]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.908108][ 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))
[   61.908111][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.908113][ T1546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.908117][ T1546]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.908121][ T1546]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.908123][ T1546]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.908128][ T1546]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.908131][ T1546]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.908133][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.908134][ 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)
[   61.908138][ T1546]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.908140][ T1546]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.908143][ T1546]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.908146][ T1546]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.908148][ T1546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.908150][ T1546]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   61.908154][ T1546]  _printk (kernel/printk/printk.c:2504)
[   61.908157][ T1546]  ? snapshot_read.cold (user.c:?)
[   61.908161][ T1546]  ? br_multicast_flood (??:?)
[   61.908164][ T1546]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   61.908165][ T1546]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   61.908166][ T1546]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.908170][ T1546]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   61.908175][ T1546]  br_init_port (net/bridge/br_stp_if.c:39)
[   61.908177][ T1546]  new_nbp (net/bridge/br_if.c:449)
[   61.908181][ T1546]  br_add_if (net/bridge/br_if.c:592)
[   61.908183][ T1546]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   61.908190][ T1546]  do_set_master (net/core/rtnetlink.c:3071)
[   61.908194][ T1546]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   61.908197][ T1546]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   61.908199][ T1546]  ? __dev_get_by_name (net/core/dev.c:905)
[   61.908201][ T1546]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   61.908211][ T1546]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   61.908217][ T1546]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.908222][ T1546]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.908224][ T1546]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.908231][ T1546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.908235][ T1546]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.908237][ T1546]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.908240][ T1546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.908241][ T1546]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.908246][ T1546]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.908248][ T1546]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.908251][ T1546]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.908254][ T1546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.908257][ T1546]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.908264][ 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))
[   61.908266][ 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))
[   61.908270][ T1546]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.908274][ T1546]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.908280][ T1546]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.908284][ T1546]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.908288][ T1546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.908289][ T1546]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   61.908295][ T1546]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   61.908299][ T1546]  ____sys_sendmsg (net/socket.c:2713)
[   61.908301][ T1546]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.908303][ T1546]  ? sock_write_iter (net/socket.c:1269)
[   61.908305][ T1546]  ? move_addr_to_kernel (net/socket.c:258)
[   61.908309][ T1546]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   61.908312][ T1546]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.908316][ T1546]  ___sys_sendmsg (net/socket.c:2767)
[   61.908317][ T1546]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   61.908320][ T1546]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.908322][ T1546]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   61.908337][ T1546]  __sys_sendmsg (net/socket.c:2799)
[   61.908340][ T1546]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.908345][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.908347][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.908350][ T1546]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.908353][ T1546]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.908356][ T1546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.908358][ T1546] RIP: 0033:0x7f8645f0b54e
[   61.908362][ 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
[   61.908364][ T1546] RSP: 002b:00007fff31ba0990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.908366][ T1546] RAX: ffffffffffffffda RBX: 00007fff31ba1158 RCX: 00007f8645f0b54e
[   61.908368][ T1546] RDX: 0000000000000000 RSI: 00007fff31ba0a40 RDI: 0000000000000005
[   61.908369][ T1546] RBP: 00007fff31ba09a0 R08: 0000000000000000 R09: 0000000000000000
[   61.908369][ T1546] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e930
[   61.908370][ T1546] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff31ba1110
| [   63.013547][ T1585] softirqs last disabled at (22932): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   63.013549][ T1585] Preemption disabled at:
| [   63.013550][ T1585] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.013558][ T1585] Tainted: [W]=WARN
[   63.013559][ T1585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.013561][ T1585] Call Trace:
[   63.013563][ T1585]  <TASK>
[   63.013564][ T1585]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.013570][ T1585]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.013571][ T1585]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.013576][ T1585]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.013580][ T1585]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   63.013585][ T1585]  __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))
[   63.013587][ T1585]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.013593][ T1585]  ? 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)
[   63.013596][ T1585]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.013599][ T1585]  put_chars (drivers/char/virtio_console.c:1176)
[   63.013602][ T1585]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.013608][ T1585]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.013615][ T1585]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.013618][ T1585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.013623][ T1585]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.013627][ T1585]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.013628][ T1585]  ? 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))
[   63.013632][ T1585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.013634][ T1585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.013638][ T1585]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.013642][ T1585]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.013644][ T1585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.013652][ T1585]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.013655][ T1585]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.013656][ T1585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.013658][ T1585]  ? 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)
[   63.013662][ T1585]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.013663][ T1585]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.013666][ T1585]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.013669][ T1585]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.013672][ T1585]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   63.013677][ T1585]  _printk (kernel/printk/printk.c:2504)
[   63.013680][ T1585]  ? snapshot_read.cold (user.c:?)
[   63.013682][ T1585]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.013685][ T1585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.013687][ T1585]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.013690][ T1585]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   63.013693][ T1585]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   63.013696][ T1585]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.013698][ T1585]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   63.013702][ T1585]  ? netdev_notice (net/core/dev.c:13194)
[   63.013707][ T1585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.013710][ T1585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.013713][ T1585]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   63.013716][ T1585]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.013718][ T1585]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   63.013720][ T1585]  ? register_netdev (net/core/dev.c:11618)
[   63.013722][ T1585]  ? 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))
[   63.013727][ T1585]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   63.013729][ T1585]  ? __kernel_text_address (kernel/extable.c:79)
[   63.013732][ T1585]  ? write_profile (profile.c:?)
[   63.013736][ T1585]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   63.013742][ T1585]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.013745][ T1585]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   63.013747][ T1585]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   63.013748][ T1585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.013750][ T1585]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.013753][ T1585]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.013755][ T1585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.013757][ T1585]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.013760][ T1585]  ? kasan_save_stack (mm/kasan/common.c:58)
[   63.013761][ T1585]  ? kasan_save_stack (mm/kasan/common.c:57)
[   63.013763][ T1585]  ? kasan_save_track (mm/kasan/common.c:78)
[   63.013764][ T1585]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   63.013766][ T1585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.013768][ T1585]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   63.013771][ T1585]  ? ___sys_sendmsg (net/socket.c:2758)
[   63.013774][ T1585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.013776][ T1585]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.013779][ T1585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.013781][ T1585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.013782][ T1585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.013783][ T1585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.013785][ T1585]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   63.013787][ T1585]  ? __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)
[   63.013788][ T1585]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   63.013790][ T1585]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.013793][ T1585]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   63.013795][ T1585]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.013799][ T1585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.013802][ T1585]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   63.013807][ T1585]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.013812][ T1585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.013814][ T1585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.013818][ T1585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.013820][ T1585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.013822][ T1585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.013823][ T1585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.013827][ T1585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.013829][ T1585]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.013832][ T1585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.013834][ T1585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.013838][ T1585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.013840][ T1585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.013843][ T1585]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.013846][ T1585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.013849][ T1585]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.013856][ T1585]  ? 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))
[   63.013858][ T1585]  ? 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))
[   63.013862][ T1585]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.013866][ T1585]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.013868][ T1585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.013873][ T1585]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.013876][ T1585]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   63.013880][ T1585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.013882][ T1585]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   63.013892][ T1585]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   63.013894][ T1585]  ____sys_sendmsg (net/socket.c:2713)
[   63.013897][ T1585]  ? copy_msghdr_from_user (net/socket.c:2650)
[   63.013899][ T1585]  ? sock_write_iter (net/socket.c:1269)
[   63.013901][ T1585]  ? move_addr_to_kernel (net/socket.c:258)
[   63.013908][ T1585]  ___sys_sendmsg (net/socket.c:2767)
[   63.013911][ T1585]  ? copy_msghdr_from_user (net/socket.c:2619)
[   63.013926][ T1585]  __sys_sendmsg (net/socket.c:2799)
[   63.013929][ T1585]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   63.013935][ T1585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.013938][ T1585]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.013941][ T1585]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   63.013944][ T1585]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.013946][ T1585] RIP: 0033:0x7f7d8714354e
[   63.013949][ T1585] 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
[   63.013951][ T1585] RSP: 002b:00007ffde901a200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.013953][ T1585] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7d8714354e
[   63.013955][ T1585] RDX: 0000000000000000 RSI: 00007ffde901a2b0 RDI: 0000000000000005
[   63.013956][ T1585] RBP: 00007ffde901a210 R08: 0000000000000000 R09: 0000000000000000
[   63.013956][ T1585] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e931
[   63.013957][ T1585] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde901a970
| [   64.699411][ T1635] softirqs last disabled at (23248): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   64.699413][ T1635] Preemption disabled at:
| [   64.699413][ T1635] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.699422][ T1635] Tainted: [W]=WARN
[   64.699423][ T1635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.699425][ T1635] Call Trace:
[   64.699426][ T1635]  <TASK>
[   64.699428][ T1635]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.699434][ T1635]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.699435][ T1635]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.699440][ T1635]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.699444][ T1635]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   64.699448][ T1635]  __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))
[   64.699450][ T1635]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.699456][ T1635]  ? 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)
[   64.699458][ T1635]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.699462][ T1635]  put_chars (drivers/char/virtio_console.c:1176)
[   64.699464][ T1635]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.699466][ T1635]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   64.699469][ T1635]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.699472][ T1635]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   64.699477][ T1635]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.699481][ T1635]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.699486][ T1635]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.699489][ T1635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699493][ T1635]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.699497][ T1635]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.699499][ T1635]  ? 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))
[   64.699502][ T1635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699504][ T1635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.699508][ T1635]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.699512][ T1635]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.699514][ T1635]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.699519][ T1635]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.699522][ T1635]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.699524][ T1635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699525][ T1635]  ? 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)
[   64.699529][ T1635]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.699530][ T1635]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.699533][ T1635]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.699536][ T1635]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.699538][ T1635]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.699541][ T1635]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   64.699544][ T1635]  _printk (kernel/printk/printk.c:2504)
[   64.699548][ T1635]  ? snapshot_read.cold (user.c:?)
[   64.699551][ T1635]  ? br_multicast_flood (??:?)
[   64.699554][ T1635]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   64.699556][ T1635]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   64.699557][ T1635]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.699561][ T1635]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   64.699565][ T1635]  br_init_port (net/bridge/br_stp_if.c:39)
[   64.699568][ T1635]  new_nbp (net/bridge/br_if.c:449)
[   64.699572][ T1635]  br_add_if (net/bridge/br_if.c:592)
[   64.699573][ T1635]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   64.699581][ T1635]  do_set_master (net/core/rtnetlink.c:3071)
[   64.699584][ T1635]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   64.699587][ T1635]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   64.699589][ T1635]  ? __dev_get_by_name (net/core/dev.c:905)
[   64.699591][ T1635]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   64.699601][ T1635]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   64.699607][ T1635]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.699612][ T1635]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.699614][ T1635]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.699621][ T1635]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.699624][ T1635]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.699626][ T1635]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.699629][ T1635]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.699631][ T1635]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.699635][ T1635]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.699637][ T1635]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.699641][ T1635]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.699644][ T1635]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.699648][ T1635]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.699655][ T1635]  ? 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))
[   64.699657][ T1635]  ? 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))
[   64.699661][ T1635]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.699665][ T1635]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.699671][ T1635]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.699675][ T1635]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.699678][ T1635]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.699680][ T1635]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   64.699685][ T1635]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   64.699689][ T1635]  ____sys_sendmsg (net/socket.c:2713)
[   64.699691][ T1635]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.699694][ T1635]  ? sock_write_iter (net/socket.c:1269)
[   64.699695][ T1635]  ? move_addr_to_kernel (net/socket.c:258)
[   64.699700][ T1635]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   64.699702][ T1635]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.699706][ T1635]  ___sys_sendmsg (net/socket.c:2767)
[   64.699708][ T1635]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   64.699710][ T1635]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.699713][ T1635]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   64.699727][ T1635]  __sys_sendmsg (net/socket.c:2799)
[   64.699730][ T1635]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.699735][ T1635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699737][ T1635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699740][ T1635]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.699743][ T1635]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.699746][ T1635]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.699748][ T1635] RIP: 0033:0x7f1d79a4654e
[   64.699752][ T1635] 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
[   64.699754][ T1635] RSP: 002b:00007ffdc9b1a730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.699757][ T1635] RAX: ffffffffffffffda RBX: 00007ffdc9b1aef8 RCX: 00007f1d79a4654e
[   64.699758][ T1635] RDX: 0000000000000000 RSI: 00007ffdc9b1a7e0 RDI: 0000000000000005
[   64.699759][ T1635] RBP: 00007ffdc9b1a740 R08: 0000000000000000 R09: 0000000000000000
[   64.699760][ T1635] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e933
[   64.699760][ T1635] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc9b1aeb0
| [   71.539032][   T12] softirqs last disabled at (1095124): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   71.539035][   T12] Preemption disabled at:
| [   71.539035][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   71.539044][   T12] Tainted: [W]=WARN
[   71.539045][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.539047][   T12] Workqueue: netns cleanup_net
[   71.539050][   T12] Call Trace:
[   71.539052][   T12]  <TASK>
[   71.539054][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.539059][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   71.539061][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.539065][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.539069][   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)
[   71.539074][   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))
[   71.539076][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.539082][   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)
[   71.539085][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.539088][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   71.539091][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.539092][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.539096][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.539099][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   71.539104][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.539108][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.539113][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.539116][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539121][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.539125][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.539127][   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))
[   71.539130][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539132][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.539136][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.539140][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.539142][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.539148][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.539151][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.539152][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539154][   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)
[   71.539158][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.539160][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.539163][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.539166][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.539167][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   71.539169][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   71.539171][   T12]  ? kthread (kernel/kthread.c:436)
[   71.539173][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   71.539176][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   71.539181][   T12]  _printk (kernel/printk/printk.c:2504)
[   71.539184][   T12]  ? snapshot_read.cold (user.c:?)
[   71.539189][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   71.539192][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   71.539197][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   71.539199][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   71.539204][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539206][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   71.539208][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   71.539210][   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)
[   71.539213][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   71.539217][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   71.539220][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   71.539227][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   71.539231][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   71.539234][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   71.539238][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   71.539241][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   71.539243][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.539246][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.539250][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   71.539254][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.539257][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.539259][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.539263][   T12]  process_one_work (kernel/workqueue.c:3387)
[   71.539269][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   71.539272][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.539280][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   71.539288][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   71.539290][   T12]  kthread (kernel/kthread.c:436)
[   71.539292][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.539295][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   71.539298][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.539301][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   71.539304][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.539308][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   71.539310][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   72.594982][ T1783] softirqs last disabled at (13942): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   72.594985][ T1783] Preemption disabled at:
| [   72.594985][ T1783] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.594994][ T1783] Tainted: [W]=WARN
[   72.594995][ T1783] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.594996][ T1783] Call Trace:
[   72.594998][ T1783]  <TASK>
[   72.594999][ T1783]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.595005][ T1783]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.595007][ T1783]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.595012][ T1783]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.595016][ T1783]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   72.595020][ T1783]  __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))
[   72.595022][ T1783]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.595028][ T1783]  ? 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)
[   72.595031][ T1783]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.595034][ T1783]  put_chars (drivers/char/virtio_console.c:1176)
[   72.595037][ T1783]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.595043][ T1783]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.595050][ T1783]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.595053][ T1783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.595058][ T1783]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.595062][ T1783]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.595064][ T1783]  ? 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))
[   72.595067][ T1783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.595070][ T1783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.595074][ T1783]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.595078][ T1783]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.595080][ T1783]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.595085][ T1783]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.595088][ T1783]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.595090][ T1783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.595091][ T1783]  ? 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)
[   72.595095][ T1783]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.595097][ T1783]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.595100][ T1783]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.595103][ T1783]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.595105][ T1783]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   72.595110][ T1783]  _printk (kernel/printk/printk.c:2504)
[   72.595114][ T1783]  ? snapshot_read.cold (user.c:?)
[   72.595116][ T1783]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.595119][ T1783]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.595121][ T1783]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.595124][ T1783]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   72.595127][ T1783]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   72.595130][ T1783]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.595132][ T1783]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   72.595135][ T1783]  ? netdev_notice (net/core/dev.c:13194)
[   72.595138][ T1783]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.595141][ T1783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.595143][ T1783]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   72.595147][ T1783]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.595149][ T1783]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   72.595151][ T1783]  ? register_netdev (net/core/dev.c:11618)
[   72.595152][ T1783]  ? 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))
[   72.595157][ T1783]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   72.595160][ T1783]  ? __kernel_text_address (kernel/extable.c:79)
[   72.595162][ T1783]  ? write_profile (profile.c:?)
[   72.595166][ T1783]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   72.595172][ T1783]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.595175][ T1783]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   72.595177][ T1783]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   72.595178][ T1783]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.595180][ T1783]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.595183][ T1783]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.595185][ T1783]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.595187][ T1783]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.595189][ T1783]  ? kasan_save_stack (mm/kasan/common.c:58)
[   72.595191][ T1783]  ? kasan_save_stack (mm/kasan/common.c:57)
[   72.595192][ T1783]  ? kasan_save_track (mm/kasan/common.c:78)
[   72.595194][ T1783]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   72.595196][ T1783]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.595198][ T1783]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   72.595201][ T1783]  ? ___sys_sendmsg (net/socket.c:2758)
[   72.595204][ T1783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.595206][ T1783]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.595209][ T1783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.595211][ T1783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.595212][ T1783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.595213][ T1783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.595215][ T1783]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   72.595217][ T1783]  ? __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)
[   72.595218][ T1783]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.595220][ T1783]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.595223][ T1783]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   72.595225][ T1783]  ? nla_get_range_signed (lib/nlattr.c:270)
[   72.595229][ T1783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.595231][ T1783]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   72.595236][ T1783]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.595241][ T1783]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.595243][ T1783]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.595248][ T1783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.595250][ T1783]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.595251][ T1783]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.595253][ T1783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.595257][ T1783]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.595259][ T1783]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.595262][ T1783]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.595263][ T1783]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.595268][ T1783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.595269][ T1783]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.595273][ T1783]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.595276][ T1783]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.595279][ T1783]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.595285][ T1783]  ? 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))
[   72.595287][ T1783]  ? 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))
[   72.595291][ T1783]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.595295][ T1783]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.595297][ T1783]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.595302][ T1783]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.595305][ T1783]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.595309][ T1783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.595311][ T1783]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   72.595316][ T1783]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   72.595319][ T1783]  ____sys_sendmsg (net/socket.c:2713)
[   72.595321][ T1783]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.595323][ T1783]  ? sock_write_iter (net/socket.c:1269)
[   72.595325][ T1783]  ? move_addr_to_kernel (net/socket.c:258)
[   72.595332][ T1783]  ___sys_sendmsg (net/socket.c:2767)
[   72.595335][ T1783]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.595350][ T1783]  __sys_sendmsg (net/socket.c:2799)
[   72.595353][ T1783]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.595359][ T1783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.595362][ T1783]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.595365][ T1783]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.595367][ T1783]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.595369][ T1783] RIP: 0033:0x7fabbf8a454e
[   72.595373][ T1783] 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
[   72.595375][ T1783] RSP: 002b:00007fff6947f020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.595377][ T1783] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fabbf8a454e
[   72.595379][ T1783] RDX: 0000000000000000 RSI: 00007fff6947f0d0 RDI: 0000000000000005
[   72.595380][ T1783] RBP: 00007fff6947f030 R08: 0000000000000000 R09: 0000000000000000
[   72.595380][ T1783] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e93a
[   72.595381][ T1783] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6947f790
| [   74.367800][ T1858] softirqs last disabled at (24158): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   74.367802][ T1858] Preemption disabled at:
| [   74.367803][ T1858] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.367812][ T1858] Tainted: [W]=WARN
[   74.367813][ T1858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.367814][ T1858] Call Trace:
[   74.367816][ T1858]  <TASK>
[   74.367817][ T1858]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.367823][ T1858]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.367825][ T1858]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.367830][ T1858]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.367834][ T1858]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   74.367839][ T1858]  __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))
[   74.367840][ T1858]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.367847][ T1858]  ? 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)
[   74.367850][ T1858]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.367854][ T1858]  put_chars (drivers/char/virtio_console.c:1176)
[   74.367856][ T1858]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.367857][ T1858]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   74.367861][ T1858]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   74.367864][ T1858]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   74.367869][ T1858]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.367872][ T1858]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.367878][ T1858]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.367881][ T1858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.367885][ T1858]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.367889][ T1858]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.367891][ T1858]  ? 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))
[   74.367894][ T1858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.367896][ T1858]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.367900][ T1858]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.367904][ T1858]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.367906][ T1858]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.367912][ T1858]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.367915][ T1858]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.367916][ T1858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.367918][ T1858]  ? 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)
[   74.367926][ T1858]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.367928][ T1858]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.367931][ T1858]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.367934][ T1858]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.367936][ T1858]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.367939][ T1858]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   74.367942][ T1858]  _printk (kernel/printk/printk.c:2504)
[   74.367946][ T1858]  ? snapshot_read.cold (user.c:?)
[   74.367949][ T1858]  ? br_multicast_flood (??:?)
[   74.367952][ T1858]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   74.367953][ T1858]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   74.367955][ T1858]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.367959][ T1858]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   74.367963][ T1858]  br_init_port (net/bridge/br_stp_if.c:39)
[   74.367966][ T1858]  new_nbp (net/bridge/br_if.c:449)
[   74.367969][ T1858]  br_add_if (net/bridge/br_if.c:592)
[   74.367971][ T1858]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   74.367979][ T1858]  do_set_master (net/core/rtnetlink.c:3071)
[   74.367983][ T1858]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   74.367986][ T1858]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   74.367988][ T1858]  ? __dev_get_by_name (net/core/dev.c:905)
[   74.367990][ T1858]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   74.367999][ T1858]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   74.368006][ T1858]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.368011][ T1858]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.368013][ T1858]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.368019][ T1858]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.368023][ T1858]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.368025][ T1858]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.368028][ T1858]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.368030][ T1858]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.368034][ T1858]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.368036][ T1858]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.368040][ T1858]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.368043][ T1858]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.368046][ T1858]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.368052][ T1858]  ? 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))
[   74.368054][ T1858]  ? 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))
[   74.368058][ T1858]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.368062][ T1858]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.368068][ T1858]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.368072][ T1858]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.368076][ T1858]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.368077][ T1858]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   74.368083][ T1858]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   74.368087][ T1858]  ____sys_sendmsg (net/socket.c:2713)
[   74.368089][ T1858]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.368091][ T1858]  ? sock_write_iter (net/socket.c:1269)
[   74.368093][ T1858]  ? move_addr_to_kernel (net/socket.c:258)
[   74.368097][ T1858]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   74.368100][ T1858]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.368104][ T1858]  ___sys_sendmsg (net/socket.c:2767)
[   74.368105][ T1858]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   74.368108][ T1858]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.368110][ T1858]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   74.368124][ T1858]  __sys_sendmsg (net/socket.c:2799)
[   74.368127][ T1858]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.368133][ T1858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.368134][ T1858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.368137][ T1858]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.368141][ T1858]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.368144][ T1858]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.368146][ T1858] RIP: 0033:0x7f976998154e
[   74.368150][ T1858] 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
[   74.368151][ T1858] RSP: 002b:00007ffcb3268cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.368154][ T1858] RAX: ffffffffffffffda RBX: 00007ffcb3269478 RCX: 00007f976998154e
[   74.368155][ T1858] RDX: 0000000000000000 RSI: 00007ffcb3268d60 RDI: 0000000000000005
[   74.368156][ T1858] RBP: 00007ffcb3268cc0 R08: 0000000000000000 R09: 0000000000000000
[   74.368157][ T1858] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e93c
[   74.368158][ T1858] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb3269430
| [   75.432083][ T1896] softirqs last disabled at (17044): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   75.432086][ T1896] Preemption disabled at:
| [   75.432086][ T1896] vprintk_emit (kernel/printk/printk.c:2471)
| [   75.432094][ T1896] Tainted: [W]=WARN
[   75.432095][ T1896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   75.432097][ T1896] Call Trace:
[   75.432099][ T1896]  <TASK>
[   75.432100][ T1896]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   75.432106][ T1896]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   75.432107][ T1896]  __might_resched.cold (kernel/sched/core.c:9234)
[   75.432112][ T1896]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   75.432116][ T1896]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   75.432120][ T1896]  __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))
[   75.432122][ T1896]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.432128][ T1896]  ? 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)
[   75.432131][ T1896]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.432134][ T1896]  put_chars (drivers/char/virtio_console.c:1176)
[   75.432137][ T1896]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   75.432143][ T1896]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   75.432150][ T1896]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   75.432154][ T1896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.432158][ T1896]  console_emit_next_record (kernel/printk/printk.c:3183)
[   75.432162][ T1896]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   75.432164][ T1896]  ? 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))
[   75.432167][ T1896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.432169][ T1896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.432173][ T1896]  console_flush_one_record (kernel/printk/printk.c:3268)
[   75.432177][ T1896]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   75.432179][ T1896]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.432184][ T1896]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   75.432187][ T1896]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   75.432189][ T1896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.432191][ T1896]  ? 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)
[   75.432194][ T1896]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   75.432196][ T1896]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   75.432198][ T1896]  vprintk_emit (kernel/printk/printk.c:2479)
[   75.432202][ T1896]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   75.432204][ T1896]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   75.432209][ T1896]  _printk (kernel/printk/printk.c:2504)
[   75.432213][ T1896]  ? snapshot_read.cold (user.c:?)
[   75.432214][ T1896]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   75.432217][ T1896]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   75.432220][ T1896]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   75.432222][ T1896]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   75.432226][ T1896]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   75.432229][ T1896]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   75.432231][ T1896]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   75.432234][ T1896]  ? netdev_notice (net/core/dev.c:13194)
[   75.432236][ T1896]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.432239][ T1896]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.432242][ T1896]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   75.432245][ T1896]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   75.432247][ T1896]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   75.432249][ T1896]  ? register_netdev (net/core/dev.c:11618)
[   75.432250][ T1896]  ? 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))
[   75.432256][ T1896]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   75.432258][ T1896]  ? __kernel_text_address (kernel/extable.c:79)
[   75.432261][ T1896]  ? write_profile (profile.c:?)
[   75.432265][ T1896]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   75.432270][ T1896]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   75.432273][ T1896]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   75.432275][ T1896]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   75.432277][ T1896]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   75.432278][ T1896]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   75.432282][ T1896]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   75.432284][ T1896]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   75.432286][ T1896]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   75.432288][ T1896]  ? kasan_save_stack (mm/kasan/common.c:58)
[   75.432290][ T1896]  ? kasan_save_stack (mm/kasan/common.c:57)
[   75.432291][ T1896]  ? kasan_save_track (mm/kasan/common.c:78)
[   75.432292][ T1896]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   75.432295][ T1896]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.432297][ T1896]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   75.432299][ T1896]  ? ___sys_sendmsg (net/socket.c:2758)
[   75.432303][ T1896]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.432305][ T1896]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   75.432307][ T1896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.432309][ T1896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.432311][ T1896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.432312][ T1896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.432313][ T1896]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   75.432316][ T1896]  ? __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)
[   75.432317][ T1896]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   75.432319][ T1896]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   75.432322][ T1896]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   75.432323][ T1896]  ? nla_get_range_signed (lib/nlattr.c:270)
[   75.432328][ T1896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.432330][ T1896]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   75.432335][ T1896]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.432340][ T1896]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.432342][ T1896]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.432347][ T1896]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.432348][ T1896]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.432350][ T1896]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.432352][ T1896]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.432356][ T1896]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.432358][ T1896]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.432361][ T1896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.432362][ T1896]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.432366][ T1896]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.432368][ T1896]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.432372][ T1896]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.432375][ T1896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.432378][ T1896]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   75.432384][ T1896]  ? 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))
[   75.432386][ T1896]  ? 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))
[   75.432390][ T1896]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.432394][ T1896]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   75.432396][ T1896]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.432401][ T1896]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.432404][ T1896]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   75.432408][ T1896]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.432410][ T1896]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   75.432415][ T1896]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   75.432418][ T1896]  ____sys_sendmsg (net/socket.c:2713)
[   75.432420][ T1896]  ? copy_msghdr_from_user (net/socket.c:2650)
[   75.432422][ T1896]  ? sock_write_iter (net/socket.c:1269)
[   75.432423][ T1896]  ? move_addr_to_kernel (net/socket.c:258)
[   75.432431][ T1896]  ___sys_sendmsg (net/socket.c:2767)
[   75.432433][ T1896]  ? copy_msghdr_from_user (net/socket.c:2619)
[   75.432449][ T1896]  __sys_sendmsg (net/socket.c:2799)
[   75.432451][ T1896]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   75.432458][ T1896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.432461][ T1896]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.432463][ T1896]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   75.432466][ T1896]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.432468][ T1896] RIP: 0033:0x7f145d2e954e
[   75.432472][ T1896] 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
[   75.432473][ T1896] RSP: 002b:00007ffe8ed58a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   75.432476][ T1896] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f145d2e954e
[   75.432477][ T1896] RDX: 0000000000000000 RSI: 00007ffe8ed58ae0 RDI: 0000000000000005
[   75.432478][ T1896] RBP: 00007ffe8ed58a40 R08: 0000000000000000 R09: 0000000000000000
[   75.432479][ T1896] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e93d
[   75.432480][ T1896] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8ed591a0
| [   77.171883][ T1954] softirqs last disabled at (26852): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   77.171885][ T1954] Preemption disabled at:
| [   77.171886][ T1954] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.171894][ T1954] Tainted: [W]=WARN
[   77.171895][ T1954] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.171896][ T1954] Call Trace:
[   77.171898][ T1954]  <TASK>
[   77.171900][ T1954]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.171905][ T1954]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.171907][ T1954]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.171911][ T1954]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.171915][ T1954]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   77.171920][ T1954]  __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))
[   77.171922][ T1954]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.171932][ T1954]  ? 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)
[   77.171935][ T1954]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.171938][ T1954]  put_chars (drivers/char/virtio_console.c:1176)
[   77.171941][ T1954]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.171942][ T1954]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   77.171946][ T1954]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.171948][ T1954]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.171953][ T1954]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.171957][ T1954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.171962][ T1954]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.171965][ T1954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.171970][ T1954]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.171974][ T1954]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.171976][ T1954]  ? 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))
[   77.171979][ T1954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.171981][ T1954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.171985][ T1954]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.171989][ T1954]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.171991][ T1954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.171996][ T1954]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.171999][ T1954]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.172000][ T1954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.172002][ T1954]  ? 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)
[   77.172006][ T1954]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.172007][ T1954]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.172010][ T1954]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.172013][ T1954]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.172015][ T1954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.172018][ T1954]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   77.172022][ T1954]  _printk (kernel/printk/printk.c:2504)
[   77.172025][ T1954]  ? snapshot_read.cold (user.c:?)
[   77.172029][ T1954]  ? br_multicast_flood (??:?)
[   77.172032][ T1954]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   77.172033][ T1954]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   77.172034][ T1954]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   77.172038][ T1954]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   77.172043][ T1954]  br_init_port (net/bridge/br_stp_if.c:39)
[   77.172046][ T1954]  new_nbp (net/bridge/br_if.c:449)
[   77.172049][ T1954]  br_add_if (net/bridge/br_if.c:592)
[   77.172051][ T1954]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   77.172059][ T1954]  do_set_master (net/core/rtnetlink.c:3071)
[   77.172062][ T1954]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   77.172066][ T1954]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   77.172068][ T1954]  ? __dev_get_by_name (net/core/dev.c:905)
[   77.172070][ T1954]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   77.172079][ T1954]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   77.172086][ T1954]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   77.172091][ T1954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.172093][ T1954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.172100][ T1954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.172103][ T1954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.172106][ T1954]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.172109][ T1954]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.172110][ T1954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.172114][ T1954]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.172116][ T1954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.172120][ T1954]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.172123][ T1954]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.172126][ T1954]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.172132][ T1954]  ? 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))
[   77.172134][ T1954]  ? 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))
[   77.172139][ T1954]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.172142][ T1954]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.172148][ T1954]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.172152][ T1954]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.172156][ T1954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.172157][ T1954]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   77.172163][ T1954]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   77.172167][ T1954]  ____sys_sendmsg (net/socket.c:2713)
[   77.172169][ T1954]  ? copy_msghdr_from_user (net/socket.c:2650)
[   77.172171][ T1954]  ? sock_write_iter (net/socket.c:1269)
[   77.172173][ T1954]  ? move_addr_to_kernel (net/socket.c:258)
[   77.172177][ T1954]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   77.172180][ T1954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.172184][ T1954]  ___sys_sendmsg (net/socket.c:2767)
[   77.172185][ T1954]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   77.172188][ T1954]  ? copy_msghdr_from_user (net/socket.c:2619)
[   77.172190][ T1954]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   77.172205][ T1954]  __sys_sendmsg (net/socket.c:2799)
[   77.172208][ T1954]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   77.172213][ T1954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.172215][ T1954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.172218][ T1954]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.172221][ T1954]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.172224][ T1954]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.172227][ T1954] RIP: 0033:0x7ffacba2854e
[   77.172230][ T1954] 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
[   77.172232][ T1954] RSP: 002b:00007fff1b1f8090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.172234][ T1954] RAX: ffffffffffffffda RBX: 00007fff1b1f8858 RCX: 00007ffacba2854e
[   77.172236][ T1954] RDX: 0000000000000000 RSI: 00007fff1b1f8140 RDI: 0000000000000005
[   77.172237][ T1954] RBP: 00007fff1b1f80a0 R08: 0000000000000000 R09: 0000000000000000
[   77.172237][ T1954] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e93f
[   77.172238][ T1954] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1b1f8810
| [   83.992525][   T12] softirqs last disabled at (1352660): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   83.992528][   T12] Preemption disabled at:
| [   83.992529][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   83.992537][   T12] Tainted: [W]=WARN
[   83.992538][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.992540][   T12] Workqueue: netns cleanup_net
[   83.992544][   T12] Call Trace:
[   83.992545][   T12]  <TASK>
[   83.992547][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   83.992553][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   83.992554][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   83.992559][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   83.992563][   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)
[   83.992568][   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))
[   83.992570][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.992576][   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)
[   83.992579][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.992582][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   83.992585][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   83.992586][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   83.992590][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.992592][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   83.992598][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   83.992601][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.992606][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   83.992610][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.992614][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   83.992618][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   83.992620][   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))
[   83.992624][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.992625][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.992629][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   83.992634][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   83.992636][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.992641][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   83.992644][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   83.992649][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.992651][   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)
[   83.992655][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   83.992657][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   83.992659][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   83.992663][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   83.992664][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   83.992666][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   83.992668][   T12]  ? kthread (kernel/kthread.c:436)
[   83.992670][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   83.992672][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   83.992677][   T12]  _printk (kernel/printk/printk.c:2504)
[   83.992681][   T12]  ? snapshot_read.cold (user.c:?)
[   83.992685][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   83.992689][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   83.992693][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   83.992696][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   83.992700][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.992702][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   83.992705][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   83.992707][   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)
[   83.992709][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   83.992713][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   83.992717][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   83.992723][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   83.992727][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   83.992730][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   83.992734][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   83.992738][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   83.992739][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.992742][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   83.992747][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   83.992750][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   83.992754][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.992756][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.992759][   T12]  process_one_work (kernel/workqueue.c:3387)
[   83.992766][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   83.992769][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.992777][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   83.992784][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   83.992786][   T12]  kthread (kernel/kthread.c:436)
[   83.992788][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   83.992791][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   83.992794][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   83.992797][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   83.992800][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   83.992804][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   83.992807][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   85.089055][ T2103] softirqs last disabled at (17346): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   85.089057][ T2103] Preemption disabled at:
| [   85.089058][ T2103] vprintk_emit (kernel/printk/printk.c:2471)
| [   85.089066][ T2103] Tainted: [W]=WARN
[   85.089067][ T2103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.089069][ T2103] Call Trace:
[   85.089070][ T2103]  <TASK>
[   85.089072][ T2103]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   85.089077][ T2103]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   85.089079][ T2103]  __might_resched.cold (kernel/sched/core.c:9234)
[   85.089083][ T2103]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   85.089087][ T2103]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   85.089092][ T2103]  __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))
[   85.089094][ T2103]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.089100][ T2103]  ? 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)
[   85.089102][ T2103]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.089106][ T2103]  put_chars (drivers/char/virtio_console.c:1176)
[   85.089108][ T2103]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   85.089114][ T2103]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   85.089121][ T2103]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   85.089124][ T2103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.089129][ T2103]  console_emit_next_record (kernel/printk/printk.c:3183)
[   85.089133][ T2103]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   85.089134][ T2103]  ? 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))
[   85.089138][ T2103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.089140][ T2103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.089144][ T2103]  console_flush_one_record (kernel/printk/printk.c:3268)
[   85.089148][ T2103]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   85.089150][ T2103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.089155][ T2103]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   85.089158][ T2103]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   85.089160][ T2103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.089161][ T2103]  ? 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)
[   85.089165][ T2103]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   85.089167][ T2103]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   85.089169][ T2103]  vprintk_emit (kernel/printk/printk.c:2479)
[   85.089172][ T2103]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   85.089175][ T2103]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   85.089180][ T2103]  _printk (kernel/printk/printk.c:2504)
[   85.089183][ T2103]  ? snapshot_read.cold (user.c:?)
[   85.089185][ T2103]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.089188][ T2103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.089190][ T2103]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.089193][ T2103]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   85.089196][ T2103]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   85.089199][ T2103]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   85.089201][ T2103]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   85.089204][ T2103]  ? netdev_notice (net/core/dev.c:13194)
[   85.089206][ T2103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.089209][ T2103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.089212][ T2103]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   85.089215][ T2103]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   85.089217][ T2103]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   85.089219][ T2103]  ? register_netdev (net/core/dev.c:11618)
[   85.089220][ T2103]  ? 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))
[   85.089226][ T2103]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   85.089228][ T2103]  ? __kernel_text_address (kernel/extable.c:79)
[   85.089231][ T2103]  ? write_profile (profile.c:?)
[   85.089234][ T2103]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   85.089240][ T2103]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   85.089243][ T2103]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   85.089245][ T2103]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   85.089246][ T2103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   85.089248][ T2103]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   85.089251][ T2103]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.089253][ T2103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.089255][ T2103]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.089257][ T2103]  ? kasan_save_stack (mm/kasan/common.c:58)
[   85.089259][ T2103]  ? kasan_save_stack (mm/kasan/common.c:57)
[   85.089260][ T2103]  ? kasan_save_track (mm/kasan/common.c:78)
[   85.089261][ T2103]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   85.089264][ T2103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.089266][ T2103]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   85.089268][ T2103]  ? ___sys_sendmsg (net/socket.c:2758)
[   85.089272][ T2103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.089274][ T2103]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   85.089276][ T2103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.089278][ T2103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.089280][ T2103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.089281][ T2103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.089282][ T2103]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   85.089285][ T2103]  ? __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)
[   85.089286][ T2103]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   85.089288][ T2103]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   85.089291][ T2103]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   85.089292][ T2103]  ? nla_get_range_signed (lib/nlattr.c:270)
[   85.089297][ T2103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.089299][ T2103]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   85.089304][ T2103]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   85.089309][ T2103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.089311][ T2103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.089316][ T2103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.089317][ T2103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.089319][ T2103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.089321][ T2103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.089325][ T2103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.089327][ T2103]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.089330][ T2103]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.089331][ T2103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.089335][ T2103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.089337][ T2103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.089341][ T2103]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   85.089344][ T2103]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.089346][ T2103]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   85.089353][ T2103]  ? 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))
[   85.089354][ T2103]  ? 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))
[   85.089359][ T2103]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.089363][ T2103]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   85.089365][ T2103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.089369][ T2103]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.089373][ T2103]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   85.089377][ T2103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.089378][ T2103]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   85.089383][ T2103]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   85.089386][ T2103]  ____sys_sendmsg (net/socket.c:2713)
[   85.089388][ T2103]  ? copy_msghdr_from_user (net/socket.c:2650)
[   85.089390][ T2103]  ? sock_write_iter (net/socket.c:1269)
[   85.089392][ T2103]  ? move_addr_to_kernel (net/socket.c:258)
[   85.089399][ T2103]  ___sys_sendmsg (net/socket.c:2767)
[   85.089402][ T2103]  ? copy_msghdr_from_user (net/socket.c:2619)
[   85.089417][ T2103]  __sys_sendmsg (net/socket.c:2799)
[   85.089420][ T2103]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   85.089426][ T2103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.089429][ T2103]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.089432][ T2103]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   85.089434][ T2103]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.089436][ T2103] RIP: 0033:0x7fa063b6354e
[   85.089440][ T2103] 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
[   85.089442][ T2103] RSP: 002b:00007ffe647eeb70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   85.089444][ T2103] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa063b6354e
[   85.089446][ T2103] RDX: 0000000000000000 RSI: 00007ffe647eec20 RDI: 0000000000000005
[   85.089447][ T2103] RBP: 00007ffe647eeb80 R08: 0000000000000000 R09: 0000000000000000
[   85.089447][ T2103] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e947
[   85.089448][ T2103] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe647ef2e0
| [   86.839447][ T2178] softirqs last disabled at (33960): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   86.839449][ T2178] Preemption disabled at:
| [   86.839450][ T2178] vprintk_emit (kernel/printk/printk.c:2471)
| [   86.839458][ T2178] Tainted: [W]=WARN
[   86.839459][ T2178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.839461][ T2178] Call Trace:
[   86.839463][ T2178]  <TASK>
[   86.839464][ T2178]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   86.839470][ T2178]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   86.839471][ T2178]  __might_resched.cold (kernel/sched/core.c:9234)
[   86.839476][ T2178]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   86.839480][ T2178]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   86.839484][ T2178]  __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))
[   86.839486][ T2178]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.839492][ T2178]  ? 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)
[   86.839495][ T2178]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.839499][ T2178]  put_chars (drivers/char/virtio_console.c:1176)
[   86.839501][ T2178]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   86.839502][ T2178]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   86.839506][ T2178]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   86.839509][ T2178]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   86.839514][ T2178]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   86.839517][ T2178]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.839522][ T2178]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   86.839526][ T2178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.839530][ T2178]  console_emit_next_record (kernel/printk/printk.c:3183)
[   86.839534][ T2178]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   86.839536][ T2178]  ? 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))
[   86.839539][ T2178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.839541][ T2178]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.839545][ T2178]  console_flush_one_record (kernel/printk/printk.c:3268)
[   86.839549][ T2178]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   86.839551][ T2178]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.839556][ T2178]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   86.839559][ T2178]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   86.839561][ T2178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.839563][ T2178]  ? 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)
[   86.839566][ T2178]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   86.839568][ T2178]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   86.839571][ T2178]  vprintk_emit (kernel/printk/printk.c:2479)
[   86.839574][ T2178]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   86.839576][ T2178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.839579][ T2178]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   86.839582][ T2178]  _printk (kernel/printk/printk.c:2504)
[   86.839586][ T2178]  ? snapshot_read.cold (user.c:?)
[   86.839589][ T2178]  ? br_multicast_flood (??:?)
[   86.839592][ T2178]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   86.839593][ T2178]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   86.839595][ T2178]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.839599][ T2178]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   86.839603][ T2178]  br_init_port (net/bridge/br_stp_if.c:39)
[   86.839605][ T2178]  new_nbp (net/bridge/br_if.c:449)
[   86.839609][ T2178]  br_add_if (net/bridge/br_if.c:592)
[   86.839611][ T2178]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   86.839619][ T2178]  do_set_master (net/core/rtnetlink.c:3071)
[   86.839622][ T2178]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   86.839626][ T2178]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   86.839627][ T2178]  ? __dev_get_by_name (net/core/dev.c:905)
[   86.839629][ T2178]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   86.839639][ T2178]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   86.839645][ T2178]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.839652][ T2178]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.839654][ T2178]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.839661][ T2178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.839665][ T2178]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.839667][ T2178]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.839670][ T2178]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.839671][ T2178]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.839676][ T2178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   86.839678][ T2178]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.839681][ T2178]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.839684][ T2178]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.839687][ T2178]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.839693][ T2178]  ? 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))
[   86.839695][ T2178]  ? 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))
[   86.839700][ T2178]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.839704][ T2178]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.839709][ T2178]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.839713][ T2178]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   86.839717][ T2178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.839719][ T2178]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   86.839724][ T2178]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   86.839728][ T2178]  ____sys_sendmsg (net/socket.c:2713)
[   86.839731][ T2178]  ? copy_msghdr_from_user (net/socket.c:2650)
[   86.839733][ T2178]  ? sock_write_iter (net/socket.c:1269)
[   86.839735][ T2178]  ? move_addr_to_kernel (net/socket.c:258)
[   86.839739][ T2178]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   86.839742][ T2178]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.839745][ T2178]  ___sys_sendmsg (net/socket.c:2767)
[   86.839747][ T2178]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   86.839750][ T2178]  ? copy_msghdr_from_user (net/socket.c:2619)
[   86.839752][ T2178]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   86.839767][ T2178]  __sys_sendmsg (net/socket.c:2799)
[   86.839770][ T2178]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   86.839775][ T2178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.839777][ T2178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.839780][ T2178]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.839783][ T2178]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   86.839786][ T2178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.839789][ T2178] RIP: 0033:0x7f5f5b96054e
[   86.839792][ T2178] 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
[   86.839794][ T2178] RSP: 002b:00007ffc7328fe30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   86.839797][ T2178] RAX: ffffffffffffffda RBX: 00007ffc732905f8 RCX: 00007f5f5b96054e
[   86.839798][ T2178] RDX: 0000000000000000 RSI: 00007ffc7328fee0 RDI: 0000000000000005
[   86.839799][ T2178] RBP: 00007ffc7328fe40 R08: 0000000000000000 R09: 0000000000000000
[   86.839800][ T2178] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e949
[   86.839801][ T2178] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc732905b0
| [   87.929452][ T2217] softirqs last disabled at (23490): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   87.929455][ T2217] Preemption disabled at:
| [   87.929455][ T2217] vprintk_emit (kernel/printk/printk.c:2471)
| [   87.929463][ T2217] Tainted: [W]=WARN
[   87.929465][ T2217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.929466][ T2217] Call Trace:
[   87.929468][ T2217]  <TASK>
[   87.929471][ T2217]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   87.929476][ T2217]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   87.929478][ T2217]  __might_resched.cold (kernel/sched/core.c:9234)
[   87.929482][ T2217]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   87.929486][ T2217]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   87.929491][ T2217]  __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))
[   87.929492][ T2217]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.929499][ T2217]  ? 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)
[   87.929501][ T2217]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.929505][ T2217]  put_chars (drivers/char/virtio_console.c:1176)
[   87.929508][ T2217]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   87.929514][ T2217]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   87.929521][ T2217]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   87.929524][ T2217]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.929529][ T2217]  console_emit_next_record (kernel/printk/printk.c:3183)
[   87.929533][ T2217]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   87.929535][ T2217]  ? 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))
[   87.929538][ T2217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.929540][ T2217]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.929544][ T2217]  console_flush_one_record (kernel/printk/printk.c:3268)
[   87.929548][ T2217]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   87.929550][ T2217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.929555][ T2217]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   87.929558][ T2217]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   87.929560][ T2217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.929562][ T2217]  ? 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)
[   87.929565][ T2217]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   87.929567][ T2217]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   87.929570][ T2217]  vprintk_emit (kernel/printk/printk.c:2479)
[   87.929573][ T2217]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   87.929576][ T2217]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   87.929581][ T2217]  _printk (kernel/printk/printk.c:2504)
[   87.929584][ T2217]  ? snapshot_read.cold (user.c:?)
[   87.929586][ T2217]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   87.929589][ T2217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.929591][ T2217]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   87.929593][ T2217]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   87.929597][ T2217]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   87.929600][ T2217]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   87.929602][ T2217]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   87.929605][ T2217]  ? netdev_notice (net/core/dev.c:13194)
[   87.929607][ T2217]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.929610][ T2217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.929613][ T2217]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   87.929616][ T2217]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   87.929618][ T2217]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   87.929620][ T2217]  ? register_netdev (net/core/dev.c:11618)
[   87.929621][ T2217]  ? 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))
[   87.929627][ T2217]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   87.929629][ T2217]  ? __kernel_text_address (kernel/extable.c:79)
[   87.929631][ T2217]  ? write_profile (profile.c:?)
[   87.929636][ T2217]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   87.929641][ T2217]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   87.929648][ T2217]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   87.929650][ T2217]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   87.929652][ T2217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   87.929654][ T2217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   87.929657][ T2217]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   87.929659][ T2217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.929661][ T2217]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   87.929663][ T2217]  ? kasan_save_stack (mm/kasan/common.c:58)
[   87.929665][ T2217]  ? kasan_save_stack (mm/kasan/common.c:57)
[   87.929666][ T2217]  ? kasan_save_track (mm/kasan/common.c:78)
[   87.929668][ T2217]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   87.929670][ T2217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.929672][ T2217]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   87.929675][ T2217]  ? ___sys_sendmsg (net/socket.c:2758)
[   87.929679][ T2217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.929680][ T2217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   87.929683][ T2217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.929685][ T2217]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.929686][ T2217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.929687][ T2217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.929689][ T2217]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   87.929691][ T2217]  ? __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)
[   87.929693][ T2217]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   87.929694][ T2217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   87.929698][ T2217]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   87.929699][ T2217]  ? nla_get_range_signed (lib/nlattr.c:270)
[   87.929704][ T2217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.929706][ T2217]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   87.929711][ T2217]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   87.929716][ T2217]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.929718][ T2217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.929722][ T2217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.929724][ T2217]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.929726][ T2217]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.929728][ T2217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.929731][ T2217]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.929733][ T2217]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.929737][ T2217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.929738][ T2217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.929742][ T2217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.929744][ T2217]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.929747][ T2217]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.929751][ T2217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.929753][ T2217]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.929760][ T2217]  ? 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))
[   87.929762][ T2217]  ? 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))
[   87.929766][ T2217]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.929770][ T2217]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.929772][ T2217]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.929776][ T2217]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.929780][ T2217]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   87.929784][ T2217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.929786][ T2217]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   87.929791][ T2217]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   87.929793][ T2217]  ____sys_sendmsg (net/socket.c:2713)
[   87.929796][ T2217]  ? copy_msghdr_from_user (net/socket.c:2650)
[   87.929798][ T2217]  ? sock_write_iter (net/socket.c:1269)
[   87.929799][ T2217]  ? move_addr_to_kernel (net/socket.c:258)
[   87.929806][ T2217]  ___sys_sendmsg (net/socket.c:2767)
[   87.929809][ T2217]  ? copy_msghdr_from_user (net/socket.c:2619)
[   87.929824][ T2217]  __sys_sendmsg (net/socket.c:2799)
[   87.929827][ T2217]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   87.929833][ T2217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.929836][ T2217]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.929839][ T2217]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   87.929842][ T2217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.929844][ T2217] RIP: 0033:0x7f9e30d9554e
[   87.929848][ T2217] 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
[   87.929850][ T2217] RSP: 002b:00007ffca2fc2b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   87.929852][ T2217] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9e30d9554e
[   87.929854][ T2217] RDX: 0000000000000000 RSI: 00007ffca2fc2c20 RDI: 0000000000000005
[   87.929855][ T2217] RBP: 00007ffca2fc2b80 R08: 0000000000000000 R09: 0000000000000000
[   87.929855][ T2217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e94a
[   87.929856][ T2217] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca2fc32e0
| [   89.653582][ T2274] softirqs last disabled at (23050): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   89.653584][ T2274] Preemption disabled at:
| [   89.653584][ T2274] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.653593][ T2274] Tainted: [W]=WARN
[   89.653594][ T2274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.653596][ T2274] Call Trace:
[   89.653597][ T2274]  <TASK>
[   89.653599][ T2274]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.653605][ T2274]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.653606][ T2274]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.653611][ T2274]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.653615][ T2274]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   89.653620][ T2274]  __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))
[   89.653622][ T2274]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.653628][ T2274]  ? 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)
[   89.653631][ T2274]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.653634][ T2274]  put_chars (drivers/char/virtio_console.c:1176)
[   89.653637][ T2274]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.653638][ T2274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   89.653642][ T2274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.653645][ T2274]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.653651][ T2274]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.653655][ T2274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.653660][ T2274]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.653663][ T2274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.653668][ T2274]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.653672][ T2274]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.653674][ T2274]  ? 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))
[   89.653677][ T2274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.653679][ T2274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.653683][ T2274]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.653687][ T2274]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.653689][ T2274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.653694][ T2274]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.653697][ T2274]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.653699][ T2274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.653701][ T2274]  ? 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)
[   89.653704][ T2274]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.653706][ T2274]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.653709][ T2274]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.653712][ T2274]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.653714][ T2274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.653717][ T2274]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   89.653720][ T2274]  _printk (kernel/printk/printk.c:2504)
[   89.653723][ T2274]  ? snapshot_read.cold (user.c:?)
[   89.653727][ T2274]  ? br_multicast_flood (??:?)
[   89.653730][ T2274]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   89.653731][ T2274]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   89.653733][ T2274]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.653737][ T2274]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   89.653741][ T2274]  br_init_port (net/bridge/br_stp_if.c:39)
[   89.653743][ T2274]  new_nbp (net/bridge/br_if.c:449)
[   89.653747][ T2274]  br_add_if (net/bridge/br_if.c:592)
[   89.653749][ T2274]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   89.653757][ T2274]  do_set_master (net/core/rtnetlink.c:3071)
[   89.653760][ T2274]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   89.653764][ T2274]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   89.653765][ T2274]  ? __dev_get_by_name (net/core/dev.c:905)
[   89.653767][ T2274]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   89.653777][ T2274]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   89.653783][ T2274]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.653788][ T2274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.653790][ T2274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.653797][ T2274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.653801][ T2274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.653803][ T2274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.653806][ T2274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.653807][ T2274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.653811][ T2274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.653813][ T2274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.653817][ T2274]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.653820][ T2274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.653823][ T2274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.653829][ T2274]  ? 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))
[   89.653831][ T2274]  ? 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))
[   89.653836][ T2274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.653840][ T2274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.653845][ T2274]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.653849][ T2274]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.653853][ T2274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.653855][ T2274]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   89.653860][ T2274]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.653864][ T2274]  ____sys_sendmsg (net/socket.c:2713)
[   89.653866][ T2274]  ? copy_msghdr_from_user (net/socket.c:2650)
[   89.653868][ T2274]  ? sock_write_iter (net/socket.c:1269)
[   89.653870][ T2274]  ? move_addr_to_kernel (net/socket.c:258)
[   89.653874][ T2274]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   89.653877][ T2274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.653881][ T2274]  ___sys_sendmsg (net/socket.c:2767)
[   89.653882][ T2274]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   89.653885][ T2274]  ? copy_msghdr_from_user (net/socket.c:2619)
[   89.653888][ T2274]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   89.653902][ T2274]  __sys_sendmsg (net/socket.c:2799)
[   89.653905][ T2274]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   89.653911][ T2274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.653912][ T2274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.653915][ T2274]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.653919][ T2274]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.653922][ T2274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.653924][ T2274] RIP: 0033:0x7fcc84f2554e
[   89.653928][ T2274] 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
[   89.653930][ T2274] RSP: 002b:00007ffee452ff60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.653933][ T2274] RAX: ffffffffffffffda RBX: 00007ffee4530728 RCX: 00007fcc84f2554e
[   89.653934][ T2274] RDX: 0000000000000000 RSI: 00007ffee4530010 RDI: 0000000000000005
[   89.653935][ T2274] RBP: 00007ffee452ff70 R08: 0000000000000000 R09: 0000000000000000
[   89.653936][ T2274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e94c
[   89.653936][ T2274] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee45306e0
| [   96.521020][   T12] softirqs last disabled at (1603914): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   96.521023][   T12] Preemption disabled at:
| [   96.521023][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   96.521032][   T12] Tainted: [W]=WARN
[   96.521033][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.521035][   T12] Workqueue: netns cleanup_net
[   96.521038][   T12] Call Trace:
[   96.521040][   T12]  <TASK>
[   96.521042][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   96.521048][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   96.521049][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   96.521054][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   96.521058][   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)
[   96.521063][   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))
[   96.521065][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.521071][   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)
[   96.521074][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.521077][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   96.521080][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   96.521081][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   96.521085][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   96.521088][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   96.521093][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   96.521096][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.521102][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   96.521105][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.521110][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   96.521114][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   96.521116][   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))
[   96.521119][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.521121][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.521125][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   96.521129][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   96.521131][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.521137][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   96.521140][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   96.521142][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.521143][   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)
[   96.521147][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   96.521149][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   96.521152][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   96.521155][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   96.521156][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   96.521158][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   96.521160][   T12]  ? kthread (kernel/kthread.c:436)
[   96.521162][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   96.521165][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   96.521170][   T12]  _printk (kernel/printk/printk.c:2504)
[   96.521173][   T12]  ? snapshot_read.cold (user.c:?)
[   96.521177][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   96.521181][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   96.521185][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   96.521188][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   96.521193][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.521194][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   96.521197][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   96.521199][   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)
[   96.521201][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   96.521206][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   96.521209][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   96.521216][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   96.521219][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   96.521223][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   96.521227][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   96.521230][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   96.521232][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.521235][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   96.521240][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   96.521243][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   96.521247][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.521249][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.521252][   T12]  process_one_work (kernel/workqueue.c:3387)
[   96.521259][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   96.521262][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   96.521270][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   96.521277][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   96.521279][   T12]  kthread (kernel/kthread.c:436)
[   96.521281][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   96.521285][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   96.521287][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   96.521290][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   96.521294][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   96.521297][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   96.521300][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.613500][ T2422] softirqs last disabled at (14256): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   97.613502][ T2422] Preemption disabled at:
| [   97.613503][ T2422] vprintk_emit (kernel/printk/printk.c:2471)
| [   97.613511][ T2422] Tainted: [W]=WARN
[   97.613513][ T2422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.613514][ T2422] Call Trace:
[   97.613516][ T2422]  <TASK>
[   97.613518][ T2422]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   97.613523][ T2422]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   97.613525][ T2422]  __might_resched.cold (kernel/sched/core.c:9234)
[   97.613529][ T2422]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   97.613534][ T2422]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   97.613538][ T2422]  __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))
[   97.613540][ T2422]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.613546][ T2422]  ? 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)
[   97.613549][ T2422]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.613552][ T2422]  put_chars (drivers/char/virtio_console.c:1176)
[   97.613555][ T2422]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   97.613561][ T2422]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   97.613568][ T2422]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   97.613571][ T2422]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.613576][ T2422]  console_emit_next_record (kernel/printk/printk.c:3183)
[   97.613580][ T2422]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   97.613582][ T2422]  ? 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))
[   97.613585][ T2422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.613588][ T2422]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.613592][ T2422]  console_flush_one_record (kernel/printk/printk.c:3268)
[   97.613596][ T2422]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   97.613598][ T2422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.613603][ T2422]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   97.613606][ T2422]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   97.613608][ T2422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.613610][ T2422]  ? 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)
[   97.613613][ T2422]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   97.613615][ T2422]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   97.613618][ T2422]  vprintk_emit (kernel/printk/printk.c:2479)
[   97.613621][ T2422]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   97.613624][ T2422]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   97.613629][ T2422]  _printk (kernel/printk/printk.c:2504)
[   97.613632][ T2422]  ? snapshot_read.cold (user.c:?)
[   97.613634][ T2422]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   97.613637][ T2422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   97.613640][ T2422]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   97.613642][ T2422]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   97.613649][ T2422]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   97.613652][ T2422]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   97.613654][ T2422]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   97.613657][ T2422]  ? netdev_notice (net/core/dev.c:13194)
[   97.613660][ T2422]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.613663][ T2422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.613665][ T2422]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   97.613669][ T2422]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   97.613671][ T2422]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   97.613673][ T2422]  ? register_netdev (net/core/dev.c:11618)
[   97.613674][ T2422]  ? 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))
[   97.613680][ T2422]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   97.613682][ T2422]  ? __kernel_text_address (kernel/extable.c:79)
[   97.613685][ T2422]  ? write_profile (profile.c:?)
[   97.613689][ T2422]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   97.613694][ T2422]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   97.613697][ T2422]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   97.613700][ T2422]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   97.613701][ T2422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   97.613703][ T2422]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   97.613706][ T2422]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   97.613708][ T2422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   97.613710][ T2422]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   97.613712][ T2422]  ? kasan_save_stack (mm/kasan/common.c:58)
[   97.613714][ T2422]  ? kasan_save_stack (mm/kasan/common.c:57)
[   97.613715][ T2422]  ? kasan_save_track (mm/kasan/common.c:78)
[   97.613717][ T2422]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   97.613719][ T2422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.613721][ T2422]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   97.613724][ T2422]  ? ___sys_sendmsg (net/socket.c:2758)
[   97.613727][ T2422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.613729][ T2422]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   97.613732][ T2422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.613734][ T2422]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.613735][ T2422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.613736][ T2422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.613738][ T2422]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   97.613740][ T2422]  ? __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)
[   97.613742][ T2422]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   97.613743][ T2422]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   97.613747][ T2422]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   97.613748][ T2422]  ? nla_get_range_signed (lib/nlattr.c:270)
[   97.613753][ T2422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.613755][ T2422]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   97.613760][ T2422]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   97.613765][ T2422]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.613767][ T2422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.613772][ T2422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.613774][ T2422]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.613776][ T2422]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.613778][ T2422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.613781][ T2422]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.613783][ T2422]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   97.613787][ T2422]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.613788][ T2422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.613792][ T2422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.613794][ T2422]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.613797][ T2422]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   97.613800][ T2422]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.613803][ T2422]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   97.613809][ T2422]  ? 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))
[   97.613812][ T2422]  ? 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))
[   97.613816][ T2422]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   97.613820][ T2422]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   97.613822][ T2422]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.613827][ T2422]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   97.613831][ T2422]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   97.613834][ T2422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.613836][ T2422]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   97.613841][ T2422]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   97.613844][ T2422]  ____sys_sendmsg (net/socket.c:2713)
[   97.613846][ T2422]  ? copy_msghdr_from_user (net/socket.c:2650)
[   97.613848][ T2422]  ? sock_write_iter (net/socket.c:1269)
[   97.613850][ T2422]  ? move_addr_to_kernel (net/socket.c:258)
[   97.613857][ T2422]  ___sys_sendmsg (net/socket.c:2767)
[   97.613860][ T2422]  ? copy_msghdr_from_user (net/socket.c:2619)
[   97.613875][ T2422]  __sys_sendmsg (net/socket.c:2799)
[   97.613878][ T2422]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   97.613884][ T2422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.613887][ T2422]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   97.613890][ T2422]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   97.613893][ T2422]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.613895][ T2422] RIP: 0033:0x7f9be646254e
[   97.613898][ T2422] 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
[   97.613900][ T2422] RSP: 002b:00007ffe86360360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   97.613903][ T2422] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9be646254e
[   97.613904][ T2422] RDX: 0000000000000000 RSI: 00007ffe86360410 RDI: 0000000000000005
[   97.613905][ T2422] RBP: 00007ffe86360370 R08: 0000000000000000 R09: 0000000000000000
[   97.613906][ T2422] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e953
[   97.613907][ T2422] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe86360ad0
| [   99.391434][ T2498] softirqs last disabled at (30092): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   99.391436][ T2498] Preemption disabled at:
| [   99.391437][ T2498] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.391445][ T2498] Tainted: [W]=WARN
[   99.391446][ T2498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.391447][ T2498] Call Trace:
[   99.391449][ T2498]  <TASK>
[   99.391451][ T2498]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.391457][ T2498]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.391458][ T2498]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.391463][ T2498]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.391467][ T2498]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   99.391471][ T2498]  __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))
[   99.391473][ T2498]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.391479][ T2498]  ? 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)
[   99.391482][ T2498]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.391486][ T2498]  put_chars (drivers/char/virtio_console.c:1176)
[   99.391488][ T2498]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.391489][ T2498]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   99.391493][ T2498]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.391496][ T2498]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   99.391501][ T2498]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.391505][ T2498]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.391510][ T2498]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.391513][ T2498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.391518][ T2498]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.391522][ T2498]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.391524][ T2498]  ? 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))
[   99.391527][ T2498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.391529][ T2498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.391533][ T2498]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.391537][ T2498]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.391539][ T2498]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.391544][ T2498]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.391547][ T2498]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.391549][ T2498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.391551][ T2498]  ? 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)
[   99.391554][ T2498]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.391556][ T2498]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.391559][ T2498]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.391562][ T2498]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.391564][ T2498]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.391567][ T2498]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   99.391570][ T2498]  _printk (kernel/printk/printk.c:2504)
[   99.391574][ T2498]  ? snapshot_read.cold (user.c:?)
[   99.391577][ T2498]  ? br_multicast_flood (??:?)
[   99.391580][ T2498]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   99.391582][ T2498]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   99.391583][ T2498]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.391587][ T2498]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   99.391591][ T2498]  br_init_port (net/bridge/br_stp_if.c:39)
[   99.391594][ T2498]  new_nbp (net/bridge/br_if.c:449)
[   99.391598][ T2498]  br_add_if (net/bridge/br_if.c:592)
[   99.391599][ T2498]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   99.391607][ T2498]  do_set_master (net/core/rtnetlink.c:3071)
[   99.391610][ T2498]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   99.391614][ T2498]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   99.391615][ T2498]  ? __dev_get_by_name (net/core/dev.c:905)
[   99.391618][ T2498]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   99.391627][ T2498]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   99.391633][ T2498]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.391639][ T2498]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.391641][ T2498]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.391650][ T2498]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.391654][ T2498]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.391656][ T2498]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.391659][ T2498]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.391660][ T2498]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.391665][ T2498]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.391667][ T2498]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.391671][ T2498]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.391674][ T2498]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.391677][ T2498]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.391683][ T2498]  ? 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))
[   99.391685][ T2498]  ? 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))
[   99.391690][ T2498]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.391694][ T2498]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.391699][ T2498]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.391703][ T2498]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.391707][ T2498]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.391709][ T2498]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   99.391715][ T2498]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   99.391719][ T2498]  ____sys_sendmsg (net/socket.c:2713)
[   99.391721][ T2498]  ? copy_msghdr_from_user (net/socket.c:2650)
[   99.391723][ T2498]  ? sock_write_iter (net/socket.c:1269)
[   99.391725][ T2498]  ? move_addr_to_kernel (net/socket.c:258)
[   99.391729][ T2498]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   99.391732][ T2498]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.391736][ T2498]  ___sys_sendmsg (net/socket.c:2767)
[   99.391737][ T2498]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   99.391740][ T2498]  ? copy_msghdr_from_user (net/socket.c:2619)
[   99.391742][ T2498]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   99.391757][ T2498]  __sys_sendmsg (net/socket.c:2799)
[   99.391760][ T2498]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   99.391765][ T2498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.391767][ T2498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.391770][ T2498]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.391773][ T2498]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   99.391776][ T2498]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.391779][ T2498] RIP: 0033:0x7f325d3ad54e
[   99.391782][ T2498] 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
[   99.391784][ T2498] RSP: 002b:00007ffe76e078b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.391787][ T2498] RAX: ffffffffffffffda RBX: 00007ffe76e08078 RCX: 00007f325d3ad54e
[   99.391788][ T2498] RDX: 0000000000000000 RSI: 00007ffe76e07960 RDI: 0000000000000005
[   99.391789][ T2498] RBP: 00007ffe76e078c0 R08: 0000000000000000 R09: 0000000000000000
[   99.391790][ T2498] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e955
[   99.391791][ T2498] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe76e08030
| [  100.530624][ T2536] softirqs last disabled at (28362): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  100.530627][ T2536] Preemption disabled at:
| [  100.530628][ T2536] vprintk_emit (kernel/printk/printk.c:2471)
| [  100.530636][ T2536] Tainted: [W]=WARN
[  100.530636][ T2536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.530638][ T2536] Call Trace:
[  100.530640][ T2536]  <TASK>
[  100.530641][ T2536]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  100.530650][ T2536]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  100.530652][ T2536]  __might_resched.cold (kernel/sched/core.c:9234)
[  100.530657][ T2536]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  100.530661][ T2536]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  100.530666][ T2536]  __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))
[  100.530668][ T2536]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.530674][ T2536]  ? 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)
[  100.530677][ T2536]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.530681][ T2536]  put_chars (drivers/char/virtio_console.c:1176)
[  100.530683][ T2536]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  100.530690][ T2536]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  100.530698][ T2536]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  100.530701][ T2536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.530706][ T2536]  console_emit_next_record (kernel/printk/printk.c:3183)
[  100.530711][ T2536]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  100.530713][ T2536]  ? 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))
[  100.530716][ T2536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.530719][ T2536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.530723][ T2536]  console_flush_one_record (kernel/printk/printk.c:3268)
[  100.530728][ T2536]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  100.530730][ T2536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.530736][ T2536]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  100.530739][ T2536]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  100.530741][ T2536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.530743][ T2536]  ? 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)
[  100.530747][ T2536]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  100.530749][ T2536]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  100.530752][ T2536]  vprintk_emit (kernel/printk/printk.c:2479)
[  100.530756][ T2536]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  100.530759][ T2536]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  100.530764][ T2536]  _printk (kernel/printk/printk.c:2504)
[  100.530768][ T2536]  ? snapshot_read.cold (user.c:?)
[  100.530770][ T2536]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  100.530773][ T2536]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.530776][ T2536]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  100.530778][ T2536]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  100.530782][ T2536]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  100.530785][ T2536]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  100.530787][ T2536]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  100.530790][ T2536]  ? netdev_notice (net/core/dev.c:13194)
[  100.530793][ T2536]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.530796][ T2536]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.530799][ T2536]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  100.530803][ T2536]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  100.530805][ T2536]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  100.530807][ T2536]  ? register_netdev (net/core/dev.c:11618)
[  100.530809][ T2536]  ? 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))
[  100.530814][ T2536]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  100.530817][ T2536]  ? __kernel_text_address (kernel/extable.c:79)
[  100.530820][ T2536]  ? write_profile (profile.c:?)
[  100.530824][ T2536]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  100.530830][ T2536]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  100.530834][ T2536]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  100.530836][ T2536]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  100.530837][ T2536]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.530839][ T2536]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.530843][ T2536]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  100.530845][ T2536]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.530847][ T2536]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  100.530850][ T2536]  ? kasan_save_stack (mm/kasan/common.c:58)
[  100.530851][ T2536]  ? kasan_save_stack (mm/kasan/common.c:57)
[  100.530853][ T2536]  ? kasan_save_track (mm/kasan/common.c:78)
[  100.530854][ T2536]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  100.530857][ T2536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.530859][ T2536]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  100.530862][ T2536]  ? ___sys_sendmsg (net/socket.c:2758)
[  100.530866][ T2536]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  100.530868][ T2536]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  100.530871][ T2536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.530872][ T2536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.530874][ T2536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.530875][ T2536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.530877][ T2536]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  100.530879][ T2536]  ? __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)
[  100.530881][ T2536]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  100.530883][ T2536]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  100.530886][ T2536]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  100.530887][ T2536]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.530892][ T2536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.530895][ T2536]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  100.530900][ T2536]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  100.530906][ T2536]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.530908][ T2536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.530913][ T2536]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  100.530915][ T2536]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.530917][ T2536]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.530919][ T2536]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.530923][ T2536]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.530925][ T2536]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  100.530929][ T2536]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.530930][ T2536]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.530935][ T2536]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  100.530937][ T2536]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.530941][ T2536]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  100.530944][ T2536]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.530947][ T2536]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.530954][ T2536]  ? 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))
[  100.530956][ T2536]  ? 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))
[  100.530961][ T2536]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.530965][ T2536]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.530968][ T2536]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.530973][ T2536]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  100.530977][ T2536]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  100.530981][ T2536]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.530983][ T2536]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  100.530988][ T2536]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  100.530991][ T2536]  ____sys_sendmsg (net/socket.c:2713)
[  100.530994][ T2536]  ? copy_msghdr_from_user (net/socket.c:2650)
[  100.530996][ T2536]  ? sock_write_iter (net/socket.c:1269)
[  100.530998][ T2536]  ? move_addr_to_kernel (net/socket.c:258)
[  100.531009][ T2536]  ___sys_sendmsg (net/socket.c:2767)
[  100.531012][ T2536]  ? copy_msghdr_from_user (net/socket.c:2619)
[  100.531030][ T2536]  __sys_sendmsg (net/socket.c:2799)
[  100.531032][ T2536]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  100.531039][ T2536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.531042][ T2536]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  100.531045][ T2536]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  100.531048][ T2536]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.531051][ T2536] RIP: 0033:0x7f69074c854e
[  100.531054][ T2536] 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
[  100.531056][ T2536] RSP: 002b:00007ffda2ca9ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.531059][ T2536] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f69074c854e
[  100.531061][ T2536] RDX: 0000000000000000 RSI: 00007ffda2ca9b80 RDI: 0000000000000005
[  100.531061][ T2536] RBP: 00007ffda2ca9ae0 R08: 0000000000000000 R09: 0000000000000000
[  100.531062][ T2536] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e956
[  100.531063][ T2536] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda2caa240
| [  102.330696][ T2595] softirqs last disabled at (22354): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  102.330698][ T2595] Preemption disabled at:
| [  102.330698][ T2595] vprintk_emit (kernel/printk/printk.c:2471)
| [  102.330707][ T2595] Tainted: [W]=WARN
[  102.330708][ T2595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.330709][ T2595] Call Trace:
[  102.330711][ T2595]  <TASK>
[  102.330712][ T2595]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.330718][ T2595]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  102.330720][ T2595]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.330724][ T2595]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.330729][ T2595]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  102.330733][ T2595]  __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))
[  102.330735][ T2595]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.330741][ T2595]  ? 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)
[  102.330744][ T2595]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.330747][ T2595]  put_chars (drivers/char/virtio_console.c:1176)
[  102.330750][ T2595]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.330751][ T2595]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  102.330755][ T2595]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.330758][ T2595]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  102.330762][ T2595]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.330766][ T2595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.330771][ T2595]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.330774][ T2595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.330779][ T2595]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.330783][ T2595]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.330785][ T2595]  ? 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))
[  102.330788][ T2595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.330790][ T2595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.330794][ T2595]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.330798][ T2595]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.330800][ T2595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.330806][ T2595]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.330809][ T2595]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.330810][ T2595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.330812][ T2595]  ? 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)
[  102.330816][ T2595]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.330818][ T2595]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.330820][ T2595]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.330824][ T2595]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.330825][ T2595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.330828][ T2595]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  102.330832][ T2595]  _printk (kernel/printk/printk.c:2504)
[  102.330835][ T2595]  ? snapshot_read.cold (user.c:?)
[  102.330839][ T2595]  ? br_multicast_flood (??:?)
[  102.330842][ T2595]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  102.330843][ T2595]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  102.330844][ T2595]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  102.330848][ T2595]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  102.330853][ T2595]  br_init_port (net/bridge/br_stp_if.c:39)
[  102.330856][ T2595]  new_nbp (net/bridge/br_if.c:449)
[  102.330859][ T2595]  br_add_if (net/bridge/br_if.c:592)
[  102.330861][ T2595]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  102.330869][ T2595]  do_set_master (net/core/rtnetlink.c:3071)
[  102.330872][ T2595]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  102.330876][ T2595]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  102.330878][ T2595]  ? __dev_get_by_name (net/core/dev.c:905)
[  102.330880][ T2595]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  102.330889][ T2595]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  102.330895][ T2595]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  102.330901][ T2595]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.330903][ T2595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.330910][ T2595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.330913][ T2595]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.330915][ T2595]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  102.330919][ T2595]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.330920][ T2595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.330925][ T2595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.330927][ T2595]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.330930][ T2595]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.330933][ T2595]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.330936][ T2595]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.330943][ T2595]  ? 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))
[  102.330945][ T2595]  ? 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))
[  102.330949][ T2595]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.330953][ T2595]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.330959][ T2595]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.330963][ T2595]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  102.330967][ T2595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.330969][ T2595]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  102.330974][ T2595]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  102.330978][ T2595]  ____sys_sendmsg (net/socket.c:2713)
[  102.330980][ T2595]  ? copy_msghdr_from_user (net/socket.c:2650)
[  102.330983][ T2595]  ? sock_write_iter (net/socket.c:1269)
[  102.330984][ T2595]  ? move_addr_to_kernel (net/socket.c:258)
[  102.330989][ T2595]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  102.330991][ T2595]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.330995][ T2595]  ___sys_sendmsg (net/socket.c:2767)
[  102.330997][ T2595]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  102.331000][ T2595]  ? copy_msghdr_from_user (net/socket.c:2619)
[  102.331002][ T2595]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  102.331022][ T2595]  __sys_sendmsg (net/socket.c:2799)
[  102.331025][ T2595]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  102.331031][ T2595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.331032][ T2595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.331035][ T2595]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.331039][ T2595]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  102.331042][ T2595]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.331044][ T2595] RIP: 0033:0x7f3e9f60e54e
[  102.331048][ T2595] 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
[  102.331050][ T2595] RSP: 002b:00007ffeb2de1c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.331053][ T2595] RAX: ffffffffffffffda RBX: 00007ffeb2de23c8 RCX: 00007f3e9f60e54e
[  102.331055][ T2595] RDX: 0000000000000000 RSI: 00007ffeb2de1cb0 RDI: 0000000000000005
[  102.331055][ T2595] RBP: 00007ffeb2de1c10 R08: 0000000000000000 R09: 0000000000000000
[  102.331056][ T2595] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e958
[  102.331057][ T2595] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb2de2380
| [  109.243264][   T12] softirqs last disabled at (1881572): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  109.243267][   T12] Preemption disabled at:
| [  109.243267][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  109.243276][   T12] Tainted: [W]=WARN
[  109.243278][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  109.243280][   T12] Workqueue: netns cleanup_net
[  109.243283][   T12] Call Trace:
[  109.243285][   T12]  <TASK>
[  109.243286][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  109.243292][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  109.243294][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  109.243299][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  109.243303][   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)
[  109.243308][   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))
[  109.243310][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.243317][   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)
[  109.243320][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.243324][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  109.243326][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  109.243327][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  109.243331][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  109.243334][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  109.243340][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  109.243344][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  109.243349][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  109.243353][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.243358][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  109.243362][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  109.243364][   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))
[  109.243368][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.243370][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.243374][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  109.243379][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  109.243381][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  109.243387][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  109.243390][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  109.243392][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.243394][   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)
[  109.243398][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  109.243400][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  109.243403][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  109.243406][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  109.243407][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  109.243409][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  109.243411][   T12]  ? kthread (kernel/kthread.c:436)
[  109.243414][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  109.243417][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  109.243421][   T12]  _printk (kernel/printk/printk.c:2504)
[  109.243425][   T12]  ? snapshot_read.cold (user.c:?)
[  109.243430][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  109.243434][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  109.243438][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  109.243441][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  109.243445][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.243447][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  109.243450][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  109.243452][   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)
[  109.243455][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  109.243459][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  109.243463][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  109.243470][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  109.243474][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  109.243477][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  109.243481][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  109.243485][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  109.243486][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  109.243490][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  109.243495][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  109.243498][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  109.243502][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.243504][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.243508][   T12]  process_one_work (kernel/workqueue.c:3387)
[  109.243515][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  109.243518][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  109.243526][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  109.243534][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  109.243536][   T12]  kthread (kernel/kthread.c:436)
[  109.243538][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  109.243542][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  109.243545][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  109.243548][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  109.243552][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  109.243555][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  109.243558][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  110.352241][ T2743] softirqs last disabled at (19682): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  110.352244][ T2743] Preemption disabled at:
| [  110.352245][ T2743] vprintk_emit (kernel/printk/printk.c:2471)
| [  110.352253][ T2743] Tainted: [W]=WARN
[  110.352254][ T2743] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.352256][ T2743] Call Trace:
[  110.352258][ T2743]  <TASK>
[  110.352259][ T2743]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  110.352265][ T2743]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  110.352267][ T2743]  __might_resched.cold (kernel/sched/core.c:9234)
[  110.352271][ T2743]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  110.352275][ T2743]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  110.352280][ T2743]  __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))
[  110.352281][ T2743]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.352288][ T2743]  ? 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)
[  110.352290][ T2743]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.352294][ T2743]  put_chars (drivers/char/virtio_console.c:1176)
[  110.352296][ T2743]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  110.352302][ T2743]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  110.352310][ T2743]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  110.352313][ T2743]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.352317][ T2743]  console_emit_next_record (kernel/printk/printk.c:3183)
[  110.352321][ T2743]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  110.352323][ T2743]  ? 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))
[  110.352326][ T2743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.352329][ T2743]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.352333][ T2743]  console_flush_one_record (kernel/printk/printk.c:3268)
[  110.352337][ T2743]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  110.352339][ T2743]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.352344][ T2743]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  110.352347][ T2743]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  110.352349][ T2743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.352351][ T2743]  ? 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)
[  110.352354][ T2743]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  110.352356][ T2743]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  110.352359][ T2743]  vprintk_emit (kernel/printk/printk.c:2479)
[  110.352362][ T2743]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  110.352364][ T2743]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  110.352369][ T2743]  _printk (kernel/printk/printk.c:2504)
[  110.352373][ T2743]  ? snapshot_read.cold (user.c:?)
[  110.352374][ T2743]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  110.352377][ T2743]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  110.352380][ T2743]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  110.352382][ T2743]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  110.352386][ T2743]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  110.352389][ T2743]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  110.352391][ T2743]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  110.352394][ T2743]  ? netdev_notice (net/core/dev.c:13194)
[  110.352397][ T2743]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  110.352400][ T2743]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  110.352402][ T2743]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  110.352406][ T2743]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  110.352408][ T2743]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  110.352410][ T2743]  ? register_netdev (net/core/dev.c:11618)
[  110.352411][ T2743]  ? 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))
[  110.352417][ T2743]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  110.352419][ T2743]  ? __kernel_text_address (kernel/extable.c:79)
[  110.352422][ T2743]  ? write_profile (profile.c:?)
[  110.352426][ T2743]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  110.352431][ T2743]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  110.352435][ T2743]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  110.352437][ T2743]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  110.352438][ T2743]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  110.352440][ T2743]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  110.352444][ T2743]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  110.352446][ T2743]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  110.352447][ T2743]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  110.352450][ T2743]  ? kasan_save_stack (mm/kasan/common.c:58)
[  110.352452][ T2743]  ? kasan_save_stack (mm/kasan/common.c:57)
[  110.352453][ T2743]  ? kasan_save_track (mm/kasan/common.c:78)
[  110.352454][ T2743]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  110.352456][ T2743]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.352458][ T2743]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  110.352461][ T2743]  ? ___sys_sendmsg (net/socket.c:2758)
[  110.352465][ T2743]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  110.352467][ T2743]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  110.352469][ T2743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.352471][ T2743]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.352473][ T2743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.352474][ T2743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.352476][ T2743]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  110.352478][ T2743]  ? __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)
[  110.352479][ T2743]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  110.352481][ T2743]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  110.352485][ T2743]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  110.352486][ T2743]  ? nla_get_range_signed (lib/nlattr.c:270)
[  110.352491][ T2743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.352493][ T2743]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  110.352498][ T2743]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  110.352503][ T2743]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  110.352505][ T2743]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.352510][ T2743]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  110.352512][ T2743]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  110.352514][ T2743]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  110.352515][ T2743]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  110.352519][ T2743]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  110.352521][ T2743]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  110.352524][ T2743]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  110.352526][ T2743]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.352530][ T2743]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  110.352532][ T2743]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  110.352536][ T2743]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  110.352539][ T2743]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  110.352541][ T2743]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  110.352548][ T2743]  ? 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))
[  110.352550][ T2743]  ? 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))
[  110.352554][ T2743]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  110.352558][ T2743]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  110.352561][ T2743]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  110.352565][ T2743]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  110.352570][ T2743]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  110.352573][ T2743]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  110.352575][ T2743]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  110.352580][ T2743]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  110.352583][ T2743]  ____sys_sendmsg (net/socket.c:2713)
[  110.352585][ T2743]  ? copy_msghdr_from_user (net/socket.c:2650)
[  110.352588][ T2743]  ? sock_write_iter (net/socket.c:1269)
[  110.352589][ T2743]  ? move_addr_to_kernel (net/socket.c:258)
[  110.352596][ T2743]  ___sys_sendmsg (net/socket.c:2767)
[  110.352599][ T2743]  ? copy_msghdr_from_user (net/socket.c:2619)
[  110.352615][ T2743]  __sys_sendmsg (net/socket.c:2799)
[  110.352617][ T2743]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  110.352623][ T2743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.352626][ T2743]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  110.352629][ T2743]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  110.352632][ T2743]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  110.352634][ T2743] RIP: 0033:0x7f1aafbeb54e
[  110.352638][ T2743] 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
[  110.352640][ T2743] RSP: 002b:00007ffcfcc632b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  110.352642][ T2743] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1aafbeb54e
[  110.352644][ T2743] RDX: 0000000000000000 RSI: 00007ffcfcc63360 RDI: 0000000000000005
[  110.352648][ T2743] RBP: 00007ffcfcc632c0 R08: 0000000000000000 R09: 0000000000000000
[  110.352649][ T2743] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e960
[  110.352650][ T2743] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfcc63a20
| [  112.196577][ T2817] softirqs last disabled at (19806): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  112.196579][ T2817] Preemption disabled at:
| [  112.196579][ T2817] vprintk_emit (kernel/printk/printk.c:2471)
| [  112.196588][ T2817] Tainted: [W]=WARN
[  112.196589][ T2817] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.196591][ T2817] Call Trace:
[  112.196593][ T2817]  <TASK>
[  112.196594][ T2817]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  112.196600][ T2817]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  112.196602][ T2817]  __might_resched.cold (kernel/sched/core.c:9234)
[  112.196607][ T2817]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  112.196611][ T2817]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  112.196615][ T2817]  __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))
[  112.196617][ T2817]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.196624][ T2817]  ? 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)
[  112.196627][ T2817]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.196630][ T2817]  put_chars (drivers/char/virtio_console.c:1176)
[  112.196633][ T2817]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  112.196634][ T2817]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  112.196638][ T2817]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  112.196641][ T2817]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  112.196649][ T2817]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  112.196654][ T2817]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.196660][ T2817]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  112.196663][ T2817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.196668][ T2817]  console_emit_next_record (kernel/printk/printk.c:3183)
[  112.196672][ T2817]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  112.196674][ T2817]  ? 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))
[  112.196678][ T2817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.196680][ T2817]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.196684][ T2817]  console_flush_one_record (kernel/printk/printk.c:3268)
[  112.196689][ T2817]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  112.196691][ T2817]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.196696][ T2817]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  112.196699][ T2817]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  112.196701][ T2817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.196703][ T2817]  ? 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)
[  112.196707][ T2817]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  112.196709][ T2817]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  112.196712][ T2817]  vprintk_emit (kernel/printk/printk.c:2479)
[  112.196715][ T2817]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  112.196718][ T2817]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.196721][ T2817]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  112.196724][ T2817]  _printk (kernel/printk/printk.c:2504)
[  112.196728][ T2817]  ? snapshot_read.cold (user.c:?)
[  112.196732][ T2817]  ? br_multicast_flood (??:?)
[  112.196735][ T2817]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  112.196736][ T2817]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  112.196738][ T2817]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  112.196742][ T2817]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  112.196747][ T2817]  br_init_port (net/bridge/br_stp_if.c:39)
[  112.196750][ T2817]  new_nbp (net/bridge/br_if.c:449)
[  112.196754][ T2817]  br_add_if (net/bridge/br_if.c:592)
[  112.196756][ T2817]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  112.196764][ T2817]  do_set_master (net/core/rtnetlink.c:3071)
[  112.196768][ T2817]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  112.196771][ T2817]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  112.196773][ T2817]  ? __dev_get_by_name (net/core/dev.c:905)
[  112.196775][ T2817]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  112.196786][ T2817]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  112.196792][ T2817]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  112.196798][ T2817]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.196800][ T2817]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.196808][ T2817]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.196812][ T2817]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.196814][ T2817]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  112.196818][ T2817]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.196819][ T2817]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.196824][ T2817]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  112.196826][ T2817]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.196830][ T2817]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  112.196833][ T2817]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.196836][ T2817]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  112.196843][ T2817]  ? 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))
[  112.196846][ T2817]  ? 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))
[  112.196850][ T2817]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  112.196855][ T2817]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  112.196861][ T2817]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  112.196865][ T2817]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  112.196869][ T2817]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.196871][ T2817]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  112.196877][ T2817]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  112.196881][ T2817]  ____sys_sendmsg (net/socket.c:2713)
[  112.196884][ T2817]  ? copy_msghdr_from_user (net/socket.c:2650)
[  112.196886][ T2817]  ? sock_write_iter (net/socket.c:1269)
[  112.196888][ T2817]  ? move_addr_to_kernel (net/socket.c:258)
[  112.196893][ T2817]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  112.196895][ T2817]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.196899][ T2817]  ___sys_sendmsg (net/socket.c:2767)
[  112.196901][ T2817]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  112.196904][ T2817]  ? copy_msghdr_from_user (net/socket.c:2619)
[  112.196906][ T2817]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  112.196922][ T2817]  __sys_sendmsg (net/socket.c:2799)
[  112.196925][ T2817]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  112.196931][ T2817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.196933][ T2817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.196936][ T2817]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  112.196940][ T2817]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  112.196943][ T2817]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  112.196946][ T2817] RIP: 0033:0x7f5abe52854e
[  112.196950][ T2817] 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
[  112.196952][ T2817] RSP: 002b:00007ffff3267140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  112.196955][ T2817] RAX: ffffffffffffffda RBX: 00007ffff3267908 RCX: 00007f5abe52854e
[  112.196956][ T2817] RDX: 0000000000000000 RSI: 00007ffff32671f0 RDI: 0000000000000005
[  112.196957][ T2817] RBP: 00007ffff3267150 R08: 0000000000000000 R09: 0000000000000000
[  112.196958][ T2817] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e962
[  112.196959][ T2817] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff32678c0
| [  113.360098][ T2854] softirqs last disabled at (23924): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  113.360101][ T2854] Preemption disabled at:
| [  113.360102][ T2854] vprintk_emit (kernel/printk/printk.c:2471)
| [  113.360110][ T2854] Tainted: [W]=WARN
[  113.360111][ T2854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  113.360112][ T2854] Call Trace:
[  113.360114][ T2854]  <TASK>
[  113.360116][ T2854]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  113.360121][ T2854]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  113.360123][ T2854]  __might_resched.cold (kernel/sched/core.c:9234)
[  113.360128][ T2854]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  113.360132][ T2854]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  113.360136][ T2854]  __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))
[  113.360138][ T2854]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  113.360145][ T2854]  ? 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)
[  113.360147][ T2854]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  113.360151][ T2854]  put_chars (drivers/char/virtio_console.c:1176)
[  113.360154][ T2854]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  113.360160][ T2854]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  113.360167][ T2854]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  113.360170][ T2854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.360175][ T2854]  console_emit_next_record (kernel/printk/printk.c:3183)
[  113.360179][ T2854]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  113.360181][ T2854]  ? 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))
[  113.360184][ T2854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.360186][ T2854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.360190][ T2854]  console_flush_one_record (kernel/printk/printk.c:3268)
[  113.360194][ T2854]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  113.360196][ T2854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  113.360201][ T2854]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  113.360204][ T2854]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  113.360207][ T2854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.360208][ T2854]  ? 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)
[  113.360212][ T2854]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  113.360214][ T2854]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  113.360216][ T2854]  vprintk_emit (kernel/printk/printk.c:2479)
[  113.360219][ T2854]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  113.360222][ T2854]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  113.360227][ T2854]  _printk (kernel/printk/printk.c:2504)
[  113.360231][ T2854]  ? snapshot_read.cold (user.c:?)
[  113.360232][ T2854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  113.360235][ T2854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  113.360238][ T2854]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  113.360240][ T2854]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  113.360244][ T2854]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  113.360246][ T2854]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  113.360249][ T2854]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  113.360251][ T2854]  ? netdev_notice (net/core/dev.c:13194)
[  113.360254][ T2854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  113.360257][ T2854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  113.360260][ T2854]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  113.360263][ T2854]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  113.360265][ T2854]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  113.360267][ T2854]  ? register_netdev (net/core/dev.c:11618)
[  113.360269][ T2854]  ? 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))
[  113.360274][ T2854]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  113.360276][ T2854]  ? __kernel_text_address (kernel/extable.c:79)
[  113.360279][ T2854]  ? write_profile (profile.c:?)
[  113.360283][ T2854]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  113.360289][ T2854]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  113.360292][ T2854]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  113.360294][ T2854]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  113.360295][ T2854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  113.360297][ T2854]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  113.360301][ T2854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  113.360303][ T2854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  113.360305][ T2854]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  113.360307][ T2854]  ? kasan_save_stack (mm/kasan/common.c:58)
[  113.360309][ T2854]  ? kasan_save_stack (mm/kasan/common.c:57)
[  113.360310][ T2854]  ? kasan_save_track (mm/kasan/common.c:78)
[  113.360311][ T2854]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  113.360314][ T2854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  113.360316][ T2854]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  113.360318][ T2854]  ? ___sys_sendmsg (net/socket.c:2758)
[  113.360322][ T2854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  113.360324][ T2854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  113.360327][ T2854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.360329][ T2854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.360330][ T2854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.360331][ T2854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.360333][ T2854]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  113.360336][ T2854]  ? __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)
[  113.360337][ T2854]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  113.360339][ T2854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  113.360342][ T2854]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  113.360343][ T2854]  ? nla_get_range_signed (lib/nlattr.c:270)
[  113.360348][ T2854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.360350][ T2854]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  113.360356][ T2854]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  113.360361][ T2854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  113.360363][ T2854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  113.360367][ T2854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  113.360369][ T2854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  113.360371][ T2854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  113.360373][ T2854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  113.360377][ T2854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  113.360379][ T2854]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  113.360382][ T2854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  113.360383][ T2854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  113.360388][ T2854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  113.360389][ T2854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  113.360393][ T2854]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  113.360396][ T2854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  113.360399][ T2854]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  113.360405][ T2854]  ? 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))
[  113.360407][ T2854]  ? 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))
[  113.360412][ T2854]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  113.360416][ T2854]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  113.360418][ T2854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  113.360423][ T2854]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  113.360427][ T2854]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  113.360430][ T2854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  113.360432][ T2854]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  113.360437][ T2854]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  113.360440][ T2854]  ____sys_sendmsg (net/socket.c:2713)
[  113.360442][ T2854]  ? copy_msghdr_from_user (net/socket.c:2650)
[  113.360445][ T2854]  ? sock_write_iter (net/socket.c:1269)
[  113.360446][ T2854]  ? move_addr_to_kernel (net/socket.c:258)
[  113.360453][ T2854]  ___sys_sendmsg (net/socket.c:2767)
[  113.360456][ T2854]  ? copy_msghdr_from_user (net/socket.c:2619)
[  113.360472][ T2854]  __sys_sendmsg (net/socket.c:2799)
[  113.360475][ T2854]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  113.360481][ T2854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.360484][ T2854]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  113.360487][ T2854]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  113.360489][ T2854]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  113.360491][ T2854] RIP: 0033:0x7f1f6440354e
[  113.360495][ T2854] 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
[  113.360497][ T2854] RSP: 002b:00007fff189ea420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  113.360500][ T2854] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1f6440354e
[  113.360501][ T2854] RDX: 0000000000000000 RSI: 00007fff189ea4d0 RDI: 0000000000000005
[  113.360502][ T2854] RBP: 00007fff189ea430 R08: 0000000000000000 R09: 0000000000000000
[  113.360503][ T2854] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e963
[  113.360504][ T2854] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff189eab90
| [  115.113887][ T2920] softirqs last disabled at (17356): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  115.113890][ T2920] Preemption disabled at:
| [  115.113890][ T2920] vprintk_emit (kernel/printk/printk.c:2471)
| [  115.113899][ T2920] Tainted: [W]=WARN
[  115.113900][ T2920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  115.113902][ T2920] Call Trace:
[  115.113903][ T2920]  <TASK>
[  115.113905][ T2920]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  115.113911][ T2920]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  115.113912][ T2920]  __might_resched.cold (kernel/sched/core.c:9234)
[  115.113917][ T2920]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  115.113921][ T2920]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  115.113925][ T2920]  __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))
[  115.113927][ T2920]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  115.113933][ T2920]  ? 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)
[  115.113936][ T2920]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  115.113940][ T2920]  put_chars (drivers/char/virtio_console.c:1176)
[  115.113942][ T2920]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  115.113943][ T2920]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  115.113947][ T2920]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  115.113950][ T2920]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  115.113955][ T2920]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  115.113958][ T2920]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  115.113963][ T2920]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  115.113967][ T2920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.113971][ T2920]  console_emit_next_record (kernel/printk/printk.c:3183)
[  115.113975][ T2920]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  115.113977][ T2920]  ? 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))
[  115.113980][ T2920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.113982][ T2920]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.113986][ T2920]  console_flush_one_record (kernel/printk/printk.c:3268)
[  115.113990][ T2920]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  115.113992][ T2920]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  115.113997][ T2920]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  115.114000][ T2920]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  115.114002][ T2920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.114004][ T2920]  ? 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)
[  115.114008][ T2920]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  115.114009][ T2920]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  115.114012][ T2920]  vprintk_emit (kernel/printk/printk.c:2479)
[  115.114015][ T2920]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  115.114017][ T2920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  115.114020][ T2920]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  115.114024][ T2920]  _printk (kernel/printk/printk.c:2504)
[  115.114027][ T2920]  ? snapshot_read.cold (user.c:?)
[  115.114031][ T2920]  ? br_multicast_flood (??:?)
[  115.114034][ T2920]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  115.114035][ T2920]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  115.114036][ T2920]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  115.114040][ T2920]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  115.114045][ T2920]  br_init_port (net/bridge/br_stp_if.c:39)
[  115.114052][ T2920]  new_nbp (net/bridge/br_if.c:449)
[  115.114056][ T2920]  br_add_if (net/bridge/br_if.c:592)
[  115.114058][ T2920]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  115.114066][ T2920]  do_set_master (net/core/rtnetlink.c:3071)
[  115.114069][ T2920]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  115.114073][ T2920]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  115.114074][ T2920]  ? __dev_get_by_name (net/core/dev.c:905)
[  115.114076][ T2920]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  115.114086][ T2920]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  115.114092][ T2920]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  115.114097][ T2920]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  115.114099][ T2920]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  115.114106][ T2920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  115.114110][ T2920]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  115.114112][ T2920]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  115.114115][ T2920]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  115.114116][ T2920]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  115.114121][ T2920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  115.114123][ T2920]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  115.114126][ T2920]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  115.114130][ T2920]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  115.114133][ T2920]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  115.114139][ T2920]  ? 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))
[  115.114141][ T2920]  ? 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))
[  115.114146][ T2920]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  115.114150][ T2920]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  115.114155][ T2920]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  115.114159][ T2920]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  115.114163][ T2920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  115.114165][ T2920]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  115.114170][ T2920]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  115.114174][ T2920]  ____sys_sendmsg (net/socket.c:2713)
[  115.114176][ T2920]  ? copy_msghdr_from_user (net/socket.c:2650)
[  115.114178][ T2920]  ? sock_write_iter (net/socket.c:1269)
[  115.114180][ T2920]  ? move_addr_to_kernel (net/socket.c:258)
[  115.114185][ T2920]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  115.114187][ T2920]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  115.114191][ T2920]  ___sys_sendmsg (net/socket.c:2767)
[  115.114193][ T2920]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  115.114195][ T2920]  ? copy_msghdr_from_user (net/socket.c:2619)
[  115.114197][ T2920]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  115.114212][ T2920]  __sys_sendmsg (net/socket.c:2799)
[  115.114215][ T2920]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  115.114220][ T2920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.114222][ T2920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.114225][ T2920]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  115.114228][ T2920]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  115.114231][ T2920]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  115.114234][ T2920] RIP: 0033:0x7fcf9d77454e
[  115.114237][ T2920] 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
[  115.114239][ T2920] RSP: 002b:00007ffe9dac06d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  115.114242][ T2920] RAX: ffffffffffffffda RBX: 00007ffe9dac0e98 RCX: 00007fcf9d77454e
[  115.114243][ T2920] RDX: 0000000000000000 RSI: 00007ffe9dac0780 RDI: 0000000000000005
[  115.114244][ T2920] RBP: 00007ffe9dac06e0 R08: 0000000000000000 R09: 0000000000000000
[  115.114245][ T2920] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e965
[  115.114246][ T2920] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9dac0e50
| [  122.532590][ T3061] softirqs last disabled at (30817): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  122.532592][ T3061] Preemption disabled at:
| [  122.532593][ T3061] 0x0
| [  122.532603][ T3061] Tainted: [W]=WARN
[  122.532604][ T3061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.532606][ T3061] Call Trace:
[  122.532607][ T3061]  <TASK>
[  122.532609][ T3061]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.532615][ T3061]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.532620][ T3061]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.532624][ T3061]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  122.532628][ T3061]  __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))
[  122.532630][ T3061]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.532637][ T3061]  ? 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)
[  122.532639][ T3061]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.532643][ T3061]  put_chars (drivers/char/virtio_console.c:1176)
[  122.532649][ T3061]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.532650][ T3061]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  122.532654][ T3061]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  122.532659][ T3061]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.532666][ T3061]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.532669][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.532671][ T3061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.532675][ T3061]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.532679][ T3061]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.532681][ T3061]  ? 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))
[  122.532684][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.532686][ T3061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.532690][ T3061]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.532694][ T3061]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.532696][ T3061]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.532701][ T3061]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.532704][ T3061]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.532706][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.532708][ T3061]  ? 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)
[  122.532711][ T3061]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.532713][ T3061]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.532716][ T3061]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.532719][ T3061]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.532722][ T3061]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.532726][ T3061]  _printk (kernel/printk/printk.c:2504)
[  122.532729][ T3061]  ? snapshot_read.cold (user.c:?)
[  122.532732][ T3061]  ? 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)
[  122.532734][ T3061]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.532738][ T3061]  ? 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)
[  122.532741][ T3061]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[  122.532745][ T3061]  ? exit_notify (kernel/exit.c:780)
[  122.532746][ T3061]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  122.532749][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.532752][ T3061]  do_group_exit (kernel/exit.c:1151)
[  122.532755][ T3061]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[  122.532757][ T3061]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  122.532759][ T3061]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.532763][ T3061]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.532766][ T3061]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.532768][ T3061] RIP: 0033:0x7f2e22fc51b8
[  122.532770][ T3061] Code: Unable to access opcode bytes at 0x7f2e22fc518e.

Code starting with the faulting instruction
===========================================
[  122.532772][ T3061] RSP: 002b:00007ffebfcb5da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  122.532774][ T3061] RAX: ffffffffffffffda RBX: 00007f2e230f5f88 RCX: 00007f2e22fc51b8
[  122.532775][ T3061] RDX: 00007f2e22d0eb48 RSI: fffffffffffffeb8 RDI: 0000000000000000
[  122.532776][ T3061] RBP: 00007ffebfcb5e00 R08: 0000000000000000 R09: 0000000000008010
[  122.532777][ T3061] R10: 00007ffebfcb5bc0 R11: 0000000000000246 R12: 0000000000000001
[  122.532778][ T3061] R13: 0000000000000000 R14: 00007f2e230f4680 R15: 00007f2e230f5fa0
| [  124.068517][ T3134] softirqs last disabled at (22602): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  124.068520][ T3134] Preemption disabled at:
| [  124.068520][ T3134] vprintk_emit (kernel/printk/printk.c:2471)
| [  124.068528][ T3134] Tainted: [W]=WARN
[  124.068529][ T3134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  124.068531][ T3134] Call Trace:
[  124.068533][ T3134]  <TASK>
[  124.068534][ T3134]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  124.068540][ T3134]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  124.068541][ T3134]  __might_resched.cold (kernel/sched/core.c:9234)
[  124.068546][ T3134]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  124.068550][ T3134]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  124.068554][ T3134]  __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))
[  124.068556][ T3134]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  124.068563][ T3134]  ? 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)
[  124.068566][ T3134]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  124.068570][ T3134]  put_chars (drivers/char/virtio_console.c:1176)
[  124.068572][ T3134]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  124.068578][ T3134]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  124.068586][ T3134]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  124.068589][ T3134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.068594][ T3134]  console_emit_next_record (kernel/printk/printk.c:3183)
[  124.068598][ T3134]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  124.068600][ T3134]  ? 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))
[  124.068603][ T3134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.068605][ T3134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.068609][ T3134]  console_flush_one_record (kernel/printk/printk.c:3268)
[  124.068614][ T3134]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  124.068615][ T3134]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  124.068621][ T3134]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  124.068624][ T3134]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  124.068626][ T3134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.068628][ T3134]  ? 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)
[  124.068631][ T3134]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  124.068633][ T3134]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  124.068636][ T3134]  vprintk_emit (kernel/printk/printk.c:2479)
[  124.068639][ T3134]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  124.068642][ T3134]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  124.068650][ T3134]  _printk (kernel/printk/printk.c:2504)
[  124.068653][ T3134]  ? snapshot_read.cold (user.c:?)
[  124.068655][ T3134]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  124.068658][ T3134]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  124.068660][ T3134]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  124.068662][ T3134]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  124.068666][ T3134]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  124.068669][ T3134]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  124.068671][ T3134]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  124.068674][ T3134]  ? netdev_notice (net/core/dev.c:13194)
[  124.068677][ T3134]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  124.068680][ T3134]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  124.068682][ T3134]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  124.068686][ T3134]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  124.068688][ T3134]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  124.068690][ T3134]  ? register_netdev (net/core/dev.c:11618)
[  124.068691][ T3134]  ? 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))
[  124.068696][ T3134]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  124.068699][ T3134]  ? __kernel_text_address (kernel/extable.c:79)
[  124.068701][ T3134]  ? write_profile (profile.c:?)
[  124.068705][ T3134]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  124.068711][ T3134]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  124.068714][ T3134]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  124.068716][ T3134]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  124.068717][ T3134]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  124.068719][ T3134]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  124.068723][ T3134]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  124.068725][ T3134]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  124.068727][ T3134]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  124.068729][ T3134]  ? kasan_save_stack (mm/kasan/common.c:58)
[  124.068731][ T3134]  ? kasan_save_stack (mm/kasan/common.c:57)
[  124.068732][ T3134]  ? kasan_save_track (mm/kasan/common.c:78)
[  124.068734][ T3134]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  124.068736][ T3134]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  124.068738][ T3134]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  124.068741][ T3134]  ? ___sys_sendmsg (net/socket.c:2758)
[  124.068744][ T3134]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  124.068746][ T3134]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  124.068749][ T3134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.068751][ T3134]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  124.068752][ T3134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.068753][ T3134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.068755][ T3134]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  124.068757][ T3134]  ? __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)
[  124.068759][ T3134]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  124.068761][ T3134]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  124.068764][ T3134]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  124.068765][ T3134]  ? nla_get_range_signed (lib/nlattr.c:270)
[  124.068770][ T3134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.068772][ T3134]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  124.068777][ T3134]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  124.068782][ T3134]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  124.068784][ T3134]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  124.068788][ T3134]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  124.068790][ T3134]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  124.068792][ T3134]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  124.068794][ T3134]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  124.068798][ T3134]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  124.068800][ T3134]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  124.068803][ T3134]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  124.068804][ T3134]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  124.068808][ T3134]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  124.068810][ T3134]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  124.068814][ T3134]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  124.068817][ T3134]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  124.068820][ T3134]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  124.068826][ T3134]  ? 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))
[  124.068828][ T3134]  ? 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))
[  124.068832][ T3134]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  124.068836][ T3134]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  124.068839][ T3134]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  124.068843][ T3134]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  124.068847][ T3134]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  124.068850][ T3134]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  124.068852][ T3134]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  124.068857][ T3134]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  124.068860][ T3134]  ____sys_sendmsg (net/socket.c:2713)
[  124.068862][ T3134]  ? copy_msghdr_from_user (net/socket.c:2650)
[  124.068864][ T3134]  ? sock_write_iter (net/socket.c:1269)
[  124.068866][ T3134]  ? move_addr_to_kernel (net/socket.c:258)
[  124.068873][ T3134]  ___sys_sendmsg (net/socket.c:2767)
[  124.068876][ T3134]  ? copy_msghdr_from_user (net/socket.c:2619)
[  124.068891][ T3134]  __sys_sendmsg (net/socket.c:2799)
[  124.068894][ T3134]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  124.068900][ T3134]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  124.068903][ T3134]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  124.068906][ T3134]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  124.068908][ T3134]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  124.068911][ T3134] RIP: 0033:0x7f02cbd2454e
[  124.068914][ T3134] 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
[  124.068916][ T3134] RSP: 002b:00007ffd28b85b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  124.068919][ T3134] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f02cbd2454e
[  124.068920][ T3134] RDX: 0000000000000000 RSI: 00007ffd28b85c10 RDI: 0000000000000005
[  124.068921][ T3134] RBP: 00007ffd28b85b70 R08: 0000000000000000 R09: 0000000000000000
[  124.068922][ T3134] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e96e
[  124.068923][ T3134] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd28b862d0
| [  125.818068][ T3209] softirqs last disabled at (22910): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  125.818070][ T3209] Preemption disabled at:
| [  125.818070][ T3209] vprintk_emit (kernel/printk/printk.c:2471)
| [  125.818079][ T3209] Tainted: [W]=WARN
[  125.818080][ T3209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  125.818087][ T3209] Call Trace:
[  125.818088][ T3209]  <TASK>
[  125.818090][ T3209]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  125.818096][ T3209]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  125.818097][ T3209]  __might_resched.cold (kernel/sched/core.c:9234)
[  125.818102][ T3209]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  125.818106][ T3209]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  125.818110][ T3209]  __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))
[  125.818112][ T3209]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.818119][ T3209]  ? 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)
[  125.818121][ T3209]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.818125][ T3209]  put_chars (drivers/char/virtio_console.c:1176)
[  125.818127][ T3209]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  125.818128][ T3209]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  125.818132][ T3209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  125.818135][ T3209]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  125.818140][ T3209]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  125.818144][ T3209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.818149][ T3209]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  125.818152][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.818157][ T3209]  console_emit_next_record (kernel/printk/printk.c:3183)
[  125.818161][ T3209]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  125.818163][ T3209]  ? 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))
[  125.818166][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.818167][ T3209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.818172][ T3209]  console_flush_one_record (kernel/printk/printk.c:3268)
[  125.818176][ T3209]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  125.818178][ T3209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.818183][ T3209]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  125.818186][ T3209]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  125.818188][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.818190][ T3209]  ? 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)
[  125.818194][ T3209]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  125.818195][ T3209]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  125.818198][ T3209]  vprintk_emit (kernel/printk/printk.c:2479)
[  125.818201][ T3209]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  125.818203][ T3209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  125.818206][ T3209]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  125.818210][ T3209]  _printk (kernel/printk/printk.c:2504)
[  125.818213][ T3209]  ? snapshot_read.cold (user.c:?)
[  125.818217][ T3209]  ? br_multicast_flood (??:?)
[  125.818220][ T3209]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  125.818221][ T3209]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  125.818223][ T3209]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  125.818227][ T3209]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  125.818231][ T3209]  br_init_port (net/bridge/br_stp_if.c:39)
[  125.818234][ T3209]  new_nbp (net/bridge/br_if.c:449)
[  125.818238][ T3209]  br_add_if (net/bridge/br_if.c:592)
[  125.818240][ T3209]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  125.818247][ T3209]  do_set_master (net/core/rtnetlink.c:3071)
[  125.818251][ T3209]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  125.818254][ T3209]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  125.818256][ T3209]  ? __dev_get_by_name (net/core/dev.c:905)
[  125.818258][ T3209]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  125.818268][ T3209]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  125.818274][ T3209]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  125.818280][ T3209]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.818282][ T3209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.818288][ T3209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  125.818292][ T3209]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.818294][ T3209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  125.818297][ T3209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.818299][ T3209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.818303][ T3209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  125.818305][ T3209]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  125.818309][ T3209]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  125.818312][ T3209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.818315][ T3209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  125.818322][ T3209]  ? 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))
[  125.818324][ T3209]  ? 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))
[  125.818329][ T3209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  125.818332][ T3209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  125.818338][ T3209]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  125.818342][ T3209]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  125.818346][ T3209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  125.818348][ T3209]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  125.818353][ T3209]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  125.818357][ T3209]  ____sys_sendmsg (net/socket.c:2713)
[  125.818360][ T3209]  ? copy_msghdr_from_user (net/socket.c:2650)
[  125.818362][ T3209]  ? sock_write_iter (net/socket.c:1269)
[  125.818364][ T3209]  ? move_addr_to_kernel (net/socket.c:258)
[  125.818368][ T3209]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  125.818371][ T3209]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  125.818375][ T3209]  ___sys_sendmsg (net/socket.c:2767)
[  125.818376][ T3209]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  125.818379][ T3209]  ? copy_msghdr_from_user (net/socket.c:2619)
[  125.818381][ T3209]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  125.818396][ T3209]  __sys_sendmsg (net/socket.c:2799)
[  125.818399][ T3209]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  125.818404][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.818406][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.818409][ T3209]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  125.818413][ T3209]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  125.818416][ T3209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  125.818419][ T3209] RIP: 0033:0x7f1a14c8754e
[  125.818422][ T3209] 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
[  125.818424][ T3209] RSP: 002b:00007ffed5177690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  125.818427][ T3209] RAX: ffffffffffffffda RBX: 00007ffed5177e58 RCX: 00007f1a14c8754e
[  125.818428][ T3209] RDX: 0000000000000000 RSI: 00007ffed5177740 RDI: 0000000000000005
[  125.818429][ T3209] RBP: 00007ffed51776a0 R08: 0000000000000000 R09: 0000000000000000
[  125.818430][ T3209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e970
[  125.818431][ T3209] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed5177e10
| [  126.927724][ T3248] softirqs last disabled at (25894): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  126.927727][ T3248] Preemption disabled at:
| [  126.927727][ T3248] vprintk_emit (kernel/printk/printk.c:2471)
| [  126.927736][ T3248] Tainted: [W]=WARN
[  126.927737][ T3248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.927739][ T3248] Call Trace:
[  126.927741][ T3248]  <TASK>
[  126.927743][ T3248]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  126.927748][ T3248]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  126.927750][ T3248]  __might_resched.cold (kernel/sched/core.c:9234)
[  126.927754][ T3248]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  126.927759][ T3248]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  126.927763][ T3248]  __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))
[  126.927765][ T3248]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.927772][ T3248]  ? 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)
[  126.927775][ T3248]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.927778][ T3248]  put_chars (drivers/char/virtio_console.c:1176)
[  126.927781][ T3248]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  126.927787][ T3248]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  126.927794][ T3248]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  126.927797][ T3248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.927802][ T3248]  console_emit_next_record (kernel/printk/printk.c:3183)
[  126.927806][ T3248]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  126.927808][ T3248]  ? 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))
[  126.927811][ T3248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.927814][ T3248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.927818][ T3248]  console_flush_one_record (kernel/printk/printk.c:3268)
[  126.927822][ T3248]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  126.927824][ T3248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.927829][ T3248]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  126.927832][ T3248]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  126.927834][ T3248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.927835][ T3248]  ? 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)
[  126.927839][ T3248]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  126.927841][ T3248]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  126.927843][ T3248]  vprintk_emit (kernel/printk/printk.c:2479)
[  126.927847][ T3248]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  126.927849][ T3248]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  126.927854][ T3248]  _printk (kernel/printk/printk.c:2504)
[  126.927858][ T3248]  ? snapshot_read.cold (user.c:?)
[  126.927860][ T3248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  126.927863][ T3248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  126.927865][ T3248]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  126.927868][ T3248]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  126.927871][ T3248]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  126.927874][ T3248]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.927876][ T3248]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  126.927879][ T3248]  ? netdev_notice (net/core/dev.c:13194)
[  126.927882][ T3248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.927885][ T3248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.927887][ T3248]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  126.927891][ T3248]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.927893][ T3248]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  126.927895][ T3248]  ? register_netdev (net/core/dev.c:11618)
[  126.927896][ T3248]  ? 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))
[  126.927901][ T3248]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  126.927904][ T3248]  ? __kernel_text_address (kernel/extable.c:79)
[  126.927906][ T3248]  ? write_profile (profile.c:?)
[  126.927910][ T3248]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  126.927916][ T3248]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.927920][ T3248]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  126.927922][ T3248]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  126.927923][ T3248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  126.927925][ T3248]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  126.927928][ T3248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  126.927930][ T3248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  126.927932][ T3248]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  126.927935][ T3248]  ? kasan_save_stack (mm/kasan/common.c:58)
[  126.927936][ T3248]  ? kasan_save_stack (mm/kasan/common.c:57)
[  126.927938][ T3248]  ? kasan_save_track (mm/kasan/common.c:78)
[  126.927939][ T3248]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  126.927941][ T3248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.927943][ T3248]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  126.927946][ T3248]  ? ___sys_sendmsg (net/socket.c:2758)
[  126.927950][ T3248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.927952][ T3248]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  126.927954][ T3248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.927956][ T3248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.927957][ T3248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.927959][ T3248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.927960][ T3248]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  126.927962][ T3248]  ? __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)
[  126.927964][ T3248]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  126.927966][ T3248]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  126.927969][ T3248]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  126.927970][ T3248]  ? nla_get_range_signed (lib/nlattr.c:270)
[  126.927975][ T3248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.927977][ T3248]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  126.927982][ T3248]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  126.927987][ T3248]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.927989][ T3248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.927994][ T3248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.927996][ T3248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.927998][ T3248]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.927999][ T3248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.928003][ T3248]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.928005][ T3248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  126.928008][ T3248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.928010][ T3248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.928014][ T3248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.928016][ T3248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.928019][ T3248]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.928022][ T3248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.928025][ T3248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  126.928032][ T3248]  ? 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))
[  126.928034][ T3248]  ? 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))
[  126.928038][ T3248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.928042][ T3248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  126.928045][ T3248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.928049][ T3248]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.928053][ T3248]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  126.928057][ T3248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.928058][ T3248]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  126.928064][ T3248]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  126.928067][ T3248]  ____sys_sendmsg (net/socket.c:2713)
[  126.928069][ T3248]  ? copy_msghdr_from_user (net/socket.c:2650)
[  126.928071][ T3248]  ? sock_write_iter (net/socket.c:1269)
[  126.928073][ T3248]  ? move_addr_to_kernel (net/socket.c:258)
[  126.928080][ T3248]  ___sys_sendmsg (net/socket.c:2767)
[  126.928083][ T3248]  ? copy_msghdr_from_user (net/socket.c:2619)
[  126.928102][ T3248]  __sys_sendmsg (net/socket.c:2799)
[  126.928105][ T3248]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  126.928111][ T3248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.928114][ T3248]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.928117][ T3248]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  126.928120][ T3248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.928122][ T3248] RIP: 0033:0x7fab5897d54e
[  126.928126][ T3248] 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
[  126.928128][ T3248] RSP: 002b:00007fff3a60d2a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  126.928131][ T3248] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fab5897d54e
[  126.928132][ T3248] RDX: 0000000000000000 RSI: 00007fff3a60d350 RDI: 0000000000000005
[  126.928133][ T3248] RBP: 00007fff3a60d2b0 R08: 0000000000000000 R09: 0000000000000000
[  126.928134][ T3248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e971
[  126.928134][ T3248] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3a60da10
| [  128.618414][ T3298] softirqs last disabled at (23204): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  128.618416][ T3298] Preemption disabled at:
| [  128.618417][ T3298] vprintk_emit (kernel/printk/printk.c:2471)
| [  128.618425][ T3298] Tainted: [W]=WARN
[  128.618426][ T3298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  128.618428][ T3298] Call Trace:
[  128.618429][ T3298]  <TASK>
[  128.618431][ T3298]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  128.618437][ T3298]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  128.618438][ T3298]  __might_resched.cold (kernel/sched/core.c:9234)
[  128.618443][ T3298]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  128.618447][ T3298]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  128.618451][ T3298]  __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))
[  128.618453][ T3298]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.618459][ T3298]  ? 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)
[  128.618462][ T3298]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.618466][ T3298]  put_chars (drivers/char/virtio_console.c:1176)
[  128.618468][ T3298]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  128.618470][ T3298]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  128.618473][ T3298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  128.618476][ T3298]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  128.618481][ T3298]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  128.618485][ T3298]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.618490][ T3298]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  128.618493][ T3298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.618498][ T3298]  console_emit_next_record (kernel/printk/printk.c:3183)
[  128.618502][ T3298]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  128.618504][ T3298]  ? 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))
[  128.618507][ T3298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.618509][ T3298]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.618513][ T3298]  console_flush_one_record (kernel/printk/printk.c:3268)
[  128.618517][ T3298]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  128.618519][ T3298]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.618524][ T3298]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  128.618527][ T3298]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  128.618529][ T3298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.618530][ T3298]  ? 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)
[  128.618534][ T3298]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  128.618536][ T3298]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  128.618539][ T3298]  vprintk_emit (kernel/printk/printk.c:2479)
[  128.618542][ T3298]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  128.618544][ T3298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.618546][ T3298]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  128.618550][ T3298]  _printk (kernel/printk/printk.c:2504)
[  128.618553][ T3298]  ? snapshot_read.cold (user.c:?)
[  128.618557][ T3298]  ? br_multicast_flood (??:?)
[  128.618560][ T3298]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  128.618561][ T3298]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  128.618563][ T3298]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  128.618567][ T3298]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  128.618572][ T3298]  br_init_port (net/bridge/br_stp_if.c:39)
[  128.618574][ T3298]  new_nbp (net/bridge/br_if.c:449)
[  128.618578][ T3298]  br_add_if (net/bridge/br_if.c:592)
[  128.618580][ T3298]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  128.618587][ T3298]  do_set_master (net/core/rtnetlink.c:3071)
[  128.618591][ T3298]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  128.618594][ T3298]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  128.618596][ T3298]  ? __dev_get_by_name (net/core/dev.c:905)
[  128.618598][ T3298]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  128.618607][ T3298]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  128.618614][ T3298]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  128.618619][ T3298]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  128.618621][ T3298]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.618628][ T3298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.618632][ T3298]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  128.618634][ T3298]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  128.618637][ T3298]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  128.618638][ T3298]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.618643][ T3298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  128.618645][ T3298]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  128.618650][ T3298]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  128.618653][ T3298]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  128.618656][ T3298]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  128.618663][ T3298]  ? 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))
[  128.618665][ T3298]  ? 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))
[  128.618669][ T3298]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  128.618673][ T3298]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  128.618679][ T3298]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  128.618683][ T3298]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  128.618687][ T3298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.618689][ T3298]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  128.618694][ T3298]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  128.618698][ T3298]  ____sys_sendmsg (net/socket.c:2713)
[  128.618700][ T3298]  ? copy_msghdr_from_user (net/socket.c:2650)
[  128.618703][ T3298]  ? sock_write_iter (net/socket.c:1269)
[  128.618704][ T3298]  ? move_addr_to_kernel (net/socket.c:258)
[  128.618709][ T3298]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  128.618711][ T3298]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  128.618715][ T3298]  ___sys_sendmsg (net/socket.c:2767)
[  128.618717][ T3298]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  128.618719][ T3298]  ? copy_msghdr_from_user (net/socket.c:2619)
[  128.618722][ T3298]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  128.618736][ T3298]  __sys_sendmsg (net/socket.c:2799)
[  128.618739][ T3298]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  128.618744][ T3298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.618746][ T3298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.618749][ T3298]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  128.618753][ T3298]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  128.618756][ T3298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  128.618758][ T3298] RIP: 0033:0x7fed5eb4d54e
[  128.618762][ T3298] 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
[  128.618764][ T3298] RSP: 002b:00007ffd25d43ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  128.618766][ T3298] RAX: ffffffffffffffda RBX: 00007ffd25d44278 RCX: 00007fed5eb4d54e
[  128.618768][ T3298] RDX: 0000000000000000 RSI: 00007ffd25d43b60 RDI: 0000000000000005
[  128.618769][ T3298] RBP: 00007ffd25d43ac0 R08: 0000000000000000 R09: 0000000000000000
[  128.618769][ T3298] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e972
[  128.618770][ T3298] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd25d44230
| [  136.358777][   T12] softirqs last disabled at (2434404): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  136.358779][   T12] Preemption disabled at:
| [  136.358780][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  136.358788][   T12] Tainted: [W]=WARN
[  136.358789][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  136.358791][   T12] Workqueue: netns cleanup_net
[  136.358794][   T12] Call Trace:
[  136.358796][   T12]  <TASK>
[  136.358798][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  136.358804][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  136.358806][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  136.358810][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  136.358814][   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)
[  136.358819][   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))
[  136.358821][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  136.358827][   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)
[  136.358830][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  136.358834][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  136.358836][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  136.358838][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  136.358842][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  136.358844][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  136.358850][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  136.358853][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  136.358859][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  136.358862][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.358867][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  136.358870][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  136.358872][   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))
[  136.358876][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.358877][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  136.358881][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  136.358886][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  136.358888][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  136.358893][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  136.358896][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  136.358898][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.358900][   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)
[  136.358904][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  136.358905][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  136.358908][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  136.358911][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  136.358913][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  136.358915][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  136.358917][   T12]  ? kthread (kernel/kthread.c:436)
[  136.358919][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  136.358922][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  136.358926][   T12]  _printk (kernel/printk/printk.c:2504)
[  136.358930][   T12]  ? snapshot_read.cold (user.c:?)
[  136.358934][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  136.358938][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  136.358942][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  136.358945][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  136.358950][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.358951][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  136.358954][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  136.358956][   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)
[  136.358959][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  136.358963][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  136.358966][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  136.358973][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  136.358976][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  136.358980][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  136.358983][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  136.358987][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  136.358988][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  136.358992][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  136.358996][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  136.358999][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  136.359003][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  136.359005][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.359008][   T12]  process_one_work (kernel/workqueue.c:3387)
[  136.359015][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  136.359018][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  136.359026][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  136.359033][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  136.359035][   T12]  kthread (kernel/kthread.c:436)
[  136.359037][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  136.359041][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  136.359043][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  136.359046][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  136.359050][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  136.359053][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  136.359056][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  137.409298][ T3512] softirqs last disabled at (14350): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  137.409301][ T3512] Preemption disabled at:
| [  137.409301][ T3512] vprintk_emit (kernel/printk/printk.c:2471)
| [  137.409309][ T3512] Tainted: [W]=WARN
[  137.409311][ T3512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  137.409312][ T3512] Call Trace:
[  137.409314][ T3512]  <TASK>
[  137.409315][ T3512]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  137.409321][ T3512]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  137.409323][ T3512]  __might_resched.cold (kernel/sched/core.c:9234)
[  137.409327][ T3512]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  137.409331][ T3512]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  137.409336][ T3512]  __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))
[  137.409338][ T3512]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.409344][ T3512]  ? 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)
[  137.409346][ T3512]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.409350][ T3512]  put_chars (drivers/char/virtio_console.c:1176)
[  137.409352][ T3512]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  137.409358][ T3512]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  137.409366][ T3512]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  137.409369][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.409373][ T3512]  console_emit_next_record (kernel/printk/printk.c:3183)
[  137.409377][ T3512]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  137.409379][ T3512]  ? 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))
[  137.409382][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.409385][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.409389][ T3512]  console_flush_one_record (kernel/printk/printk.c:3268)
[  137.409393][ T3512]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  137.409395][ T3512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  137.409400][ T3512]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  137.409403][ T3512]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  137.409405][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.409407][ T3512]  ? 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)
[  137.409410][ T3512]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  137.409412][ T3512]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  137.409415][ T3512]  vprintk_emit (kernel/printk/printk.c:2479)
[  137.409418][ T3512]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  137.409420][ T3512]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  137.409426][ T3512]  _printk (kernel/printk/printk.c:2504)
[  137.409429][ T3512]  ? snapshot_read.cold (user.c:?)
[  137.409431][ T3512]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  137.409434][ T3512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  137.409436][ T3512]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  137.409438][ T3512]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  137.409442][ T3512]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  137.409445][ T3512]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  137.409447][ T3512]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  137.409450][ T3512]  ? netdev_notice (net/core/dev.c:13194)
[  137.409453][ T3512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  137.409456][ T3512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  137.409458][ T3512]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  137.409462][ T3512]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  137.409464][ T3512]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  137.409466][ T3512]  ? register_netdev (net/core/dev.c:11618)
[  137.409467][ T3512]  ? 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))
[  137.409473][ T3512]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  137.409475][ T3512]  ? __kernel_text_address (kernel/extable.c:79)
[  137.409478][ T3512]  ? write_profile (profile.c:?)
[  137.409482][ T3512]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  137.409488][ T3512]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  137.409491][ T3512]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  137.409493][ T3512]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  137.409495][ T3512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  137.409497][ T3512]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  137.409500][ T3512]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  137.409502][ T3512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  137.409504][ T3512]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  137.409506][ T3512]  ? kasan_save_stack (mm/kasan/common.c:58)
[  137.409508][ T3512]  ? kasan_save_stack (mm/kasan/common.c:57)
[  137.409509][ T3512]  ? kasan_save_track (mm/kasan/common.c:78)
[  137.409511][ T3512]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  137.409513][ T3512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  137.409515][ T3512]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  137.409518][ T3512]  ? ___sys_sendmsg (net/socket.c:2758)
[  137.409521][ T3512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  137.409523][ T3512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  137.409526][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.409527][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.409529][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.409530][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.409532][ T3512]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  137.409534][ T3512]  ? __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)
[  137.409535][ T3512]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  137.409537][ T3512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  137.409541][ T3512]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  137.409542][ T3512]  ? nla_get_range_signed (lib/nlattr.c:270)
[  137.409547][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.409549][ T3512]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  137.409554][ T3512]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  137.409559][ T3512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  137.409561][ T3512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  137.409566][ T3512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  137.409568][ T3512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  137.409570][ T3512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  137.409572][ T3512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  137.409575][ T3512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  137.409577][ T3512]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  137.409580][ T3512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  137.409582][ T3512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  137.409586][ T3512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  137.409588][ T3512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  137.409591][ T3512]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  137.409595][ T3512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  137.409597][ T3512]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  137.409604][ T3512]  ? 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))
[  137.409606][ T3512]  ? 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))
[  137.409610][ T3512]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  137.409614][ T3512]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  137.409616][ T3512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  137.409621][ T3512]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  137.409624][ T3512]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  137.409628][ T3512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  137.409630][ T3512]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  137.409635][ T3512]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  137.409638][ T3512]  ____sys_sendmsg (net/socket.c:2713)
[  137.409640][ T3512]  ? copy_msghdr_from_user (net/socket.c:2650)
[  137.409642][ T3512]  ? sock_write_iter (net/socket.c:1269)
[  137.409644][ T3512]  ? move_addr_to_kernel (net/socket.c:258)
[  137.409654][ T3512]  ___sys_sendmsg (net/socket.c:2767)
[  137.409657][ T3512]  ? copy_msghdr_from_user (net/socket.c:2619)
[  137.409672][ T3512]  __sys_sendmsg (net/socket.c:2799)
[  137.409675][ T3512]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  137.409681][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.409684][ T3512]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  137.409687][ T3512]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  137.409690][ T3512]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  137.409692][ T3512] RIP: 0033:0x7fe9b477454e
[  137.409696][ T3512] 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
[  137.409698][ T3512] RSP: 002b:00007ffd0562fc10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  137.409701][ T3512] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe9b477454e
[  137.409702][ T3512] RDX: 0000000000000000 RSI: 00007ffd0562fcc0 RDI: 0000000000000005
[  137.409703][ T3512] RBP: 00007ffd0562fc20 R08: 0000000000000000 R09: 0000000000000000
[  137.409704][ T3512] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e97b
[  137.409705][ T3512] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd05630380
| [  139.179319][ T3587] softirqs last disabled at (25720): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  139.179321][ T3587] Preemption disabled at:
| [  139.179322][ T3587] vprintk_emit (kernel/printk/printk.c:2471)
| [  139.179330][ T3587] Tainted: [W]=WARN
[  139.179331][ T3587] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  139.179333][ T3587] Call Trace:
[  139.179334][ T3587]  <TASK>
[  139.179336][ T3587]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  139.179342][ T3587]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  139.179344][ T3587]  __might_resched.cold (kernel/sched/core.c:9234)
[  139.179348][ T3587]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  139.179353][ T3587]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  139.179357][ T3587]  __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))
[  139.179359][ T3587]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  139.179365][ T3587]  ? 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)
[  139.179368][ T3587]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  139.179372][ T3587]  put_chars (drivers/char/virtio_console.c:1176)
[  139.179374][ T3587]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  139.179375][ T3587]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  139.179379][ T3587]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  139.179382][ T3587]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  139.179387][ T3587]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  139.179390][ T3587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  139.179395][ T3587]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  139.179398][ T3587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.179403][ T3587]  console_emit_next_record (kernel/printk/printk.c:3183)
[  139.179407][ T3587]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  139.179409][ T3587]  ? 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))
[  139.179412][ T3587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.179414][ T3587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.179418][ T3587]  console_flush_one_record (kernel/printk/printk.c:3268)
[  139.179422][ T3587]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  139.179424][ T3587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  139.179429][ T3587]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  139.179432][ T3587]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  139.179434][ T3587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.179436][ T3587]  ? 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)
[  139.179439][ T3587]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  139.179441][ T3587]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  139.179444][ T3587]  vprintk_emit (kernel/printk/printk.c:2479)
[  139.179447][ T3587]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  139.179449][ T3587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  139.179452][ T3587]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  139.179455][ T3587]  _printk (kernel/printk/printk.c:2504)
[  139.179458][ T3587]  ? snapshot_read.cold (user.c:?)
[  139.179462][ T3587]  ? br_multicast_flood (??:?)
[  139.179465][ T3587]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  139.179466][ T3587]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  139.179468][ T3587]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  139.179472][ T3587]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  139.179476][ T3587]  br_init_port (net/bridge/br_stp_if.c:39)
[  139.179478][ T3587]  new_nbp (net/bridge/br_if.c:449)
[  139.179482][ T3587]  br_add_if (net/bridge/br_if.c:592)
[  139.179484][ T3587]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  139.179492][ T3587]  do_set_master (net/core/rtnetlink.c:3071)
[  139.179496][ T3587]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  139.179499][ T3587]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  139.179501][ T3587]  ? __dev_get_by_name (net/core/dev.c:905)
[  139.179503][ T3587]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  139.179512][ T3587]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  139.179519][ T3587]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  139.179524][ T3587]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  139.179526][ T3587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  139.179532][ T3587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  139.179536][ T3587]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  139.179538][ T3587]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  139.179541][ T3587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  139.179543][ T3587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  139.179547][ T3587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  139.179549][ T3587]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  139.179553][ T3587]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  139.179556][ T3587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  139.179559][ T3587]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  139.179566][ T3587]  ? 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))
[  139.179568][ T3587]  ? 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))
[  139.179572][ T3587]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  139.179576][ T3587]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  139.179582][ T3587]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  139.179586][ T3587]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  139.179590][ T3587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  139.179591][ T3587]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  139.179597][ T3587]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  139.179601][ T3587]  ____sys_sendmsg (net/socket.c:2713)
[  139.179603][ T3587]  ? copy_msghdr_from_user (net/socket.c:2650)
[  139.179605][ T3587]  ? sock_write_iter (net/socket.c:1269)
[  139.179607][ T3587]  ? move_addr_to_kernel (net/socket.c:258)
[  139.179611][ T3587]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  139.179614][ T3587]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  139.179617][ T3587]  ___sys_sendmsg (net/socket.c:2767)
[  139.179619][ T3587]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  139.179622][ T3587]  ? copy_msghdr_from_user (net/socket.c:2619)
[  139.179624][ T3587]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  139.179639][ T3587]  __sys_sendmsg (net/socket.c:2799)
[  139.179642][ T3587]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  139.179649][ T3587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.179651][ T3587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.179654][ T3587]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  139.179657][ T3587]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  139.179660][ T3587]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  139.179662][ T3587] RIP: 0033:0x7f830d35754e
[  139.179666][ T3587] 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
[  139.179668][ T3587] RSP: 002b:00007ffd12032690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  139.179671][ T3587] RAX: ffffffffffffffda RBX: 00007ffd12032e58 RCX: 00007f830d35754e
[  139.179672][ T3587] RDX: 0000000000000000 RSI: 00007ffd12032740 RDI: 0000000000000005
[  139.179673][ T3587] RBP: 00007ffd120326a0 R08: 0000000000000000 R09: 0000000000000000
[  139.179674][ T3587] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e97d
[  139.179675][ T3587] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd12032e10
| [  140.264351][ T3626] softirqs last disabled at (16672): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  140.264354][ T3626] Preemption disabled at:
| [  140.264355][ T3626] vprintk_emit (kernel/printk/printk.c:2471)
| [  140.264363][ T3626] Tainted: [W]=WARN
[  140.264364][ T3626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  140.264365][ T3626] Call Trace:
[  140.264367][ T3626]  <TASK>
[  140.264369][ T3626]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  140.264374][ T3626]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  140.264376][ T3626]  __might_resched.cold (kernel/sched/core.c:9234)
[  140.264381][ T3626]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  140.264385][ T3626]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  140.264389][ T3626]  __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))
[  140.264391][ T3626]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.264397][ T3626]  ? 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)
[  140.264400][ T3626]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.264404][ T3626]  put_chars (drivers/char/virtio_console.c:1176)
[  140.264406][ T3626]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  140.264412][ T3626]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  140.264420][ T3626]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  140.264423][ T3626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.264427][ T3626]  console_emit_next_record (kernel/printk/printk.c:3183)
[  140.264431][ T3626]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  140.264433][ T3626]  ? 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))
[  140.264436][ T3626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.264439][ T3626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.264443][ T3626]  console_flush_one_record (kernel/printk/printk.c:3268)
[  140.264447][ T3626]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  140.264449][ T3626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.264454][ T3626]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  140.264457][ T3626]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  140.264459][ T3626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.264461][ T3626]  ? 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)
[  140.264464][ T3626]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  140.264466][ T3626]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  140.264469][ T3626]  vprintk_emit (kernel/printk/printk.c:2479)
[  140.264472][ T3626]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  140.264474][ T3626]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  140.264479][ T3626]  _printk (kernel/printk/printk.c:2504)
[  140.264483][ T3626]  ? snapshot_read.cold (user.c:?)
[  140.264484][ T3626]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  140.264487][ T3626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  140.264490][ T3626]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  140.264492][ T3626]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  140.264496][ T3626]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  140.264499][ T3626]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  140.264501][ T3626]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  140.264504][ T3626]  ? netdev_notice (net/core/dev.c:13194)
[  140.264507][ T3626]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.264510][ T3626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  140.264512][ T3626]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  140.264515][ T3626]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  140.264517][ T3626]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  140.264519][ T3626]  ? register_netdev (net/core/dev.c:11618)
[  140.264521][ T3626]  ? 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))
[  140.264526][ T3626]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  140.264528][ T3626]  ? __kernel_text_address (kernel/extable.c:79)
[  140.264531][ T3626]  ? write_profile (profile.c:?)
[  140.264535][ T3626]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  140.264541][ T3626]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  140.264544][ T3626]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  140.264546][ T3626]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  140.264548][ T3626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  140.264550][ T3626]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  140.264553][ T3626]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  140.264555][ T3626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  140.264557][ T3626]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  140.264559][ T3626]  ? kasan_save_stack (mm/kasan/common.c:58)
[  140.264561][ T3626]  ? kasan_save_stack (mm/kasan/common.c:57)
[  140.264562][ T3626]  ? kasan_save_track (mm/kasan/common.c:78)
[  140.264564][ T3626]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  140.264567][ T3626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.264569][ T3626]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  140.264572][ T3626]  ? ___sys_sendmsg (net/socket.c:2758)
[  140.264575][ T3626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  140.264577][ T3626]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  140.264580][ T3626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.264582][ T3626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.264583][ T3626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.264584][ T3626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.264586][ T3626]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  140.264588][ T3626]  ? __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)
[  140.264590][ T3626]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  140.264591][ T3626]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  140.264595][ T3626]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  140.264596][ T3626]  ? nla_get_range_signed (lib/nlattr.c:270)
[  140.264601][ T3626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.264603][ T3626]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  140.264608][ T3626]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  140.264613][ T3626]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.264615][ T3626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.264620][ T3626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  140.264622][ T3626]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.264624][ T3626]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.264625][ T3626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  140.264629][ T3626]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.264631][ T3626]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  140.264634][ T3626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.264635][ T3626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.264640][ T3626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  140.264642][ T3626]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.264648][ T3626]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  140.264651][ T3626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.264654][ T3626]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  140.264660][ T3626]  ? 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))
[  140.264663][ T3626]  ? 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))
[  140.264667][ T3626]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  140.264671][ T3626]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  140.264673][ T3626]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.264677][ T3626]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  140.264681][ T3626]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  140.264685][ T3626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  140.264687][ T3626]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  140.264692][ T3626]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  140.264695][ T3626]  ____sys_sendmsg (net/socket.c:2713)
[  140.264697][ T3626]  ? copy_msghdr_from_user (net/socket.c:2650)
[  140.264699][ T3626]  ? sock_write_iter (net/socket.c:1269)
[  140.264701][ T3626]  ? move_addr_to_kernel (net/socket.c:258)
[  140.264708][ T3626]  ___sys_sendmsg (net/socket.c:2767)
[  140.264711][ T3626]  ? copy_msghdr_from_user (net/socket.c:2619)
[  140.264726][ T3626]  __sys_sendmsg (net/socket.c:2799)
[  140.264729][ T3626]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  140.264735][ T3626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.264738][ T3626]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  140.264741][ T3626]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  140.264744][ T3626]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  140.264746][ T3626] RIP: 0033:0x7f95edeb654e
[  140.264750][ T3626] 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
[  140.264751][ T3626] RSP: 002b:00007ffd74365980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  140.264754][ T3626] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f95edeb654e
[  140.264755][ T3626] RDX: 0000000000000000 RSI: 00007ffd74365a30 RDI: 0000000000000005
[  140.264756][ T3626] RBP: 00007ffd74365990 R08: 0000000000000000 R09: 0000000000000000
[  140.264757][ T3626] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e97e
[  140.264758][ T3626] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd743660f0
| [  141.977004][ T3683] softirqs last disabled at (18962): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  141.977006][ T3683] Preemption disabled at:
| [  141.977006][ T3683] vprintk_emit (kernel/printk/printk.c:2471)
| [  141.977015][ T3683] Tainted: [W]=WARN
[  141.977016][ T3683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  141.977018][ T3683] Call Trace:
[  141.977019][ T3683]  <TASK>
[  141.977021][ T3683]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  141.977027][ T3683]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  141.977028][ T3683]  __might_resched.cold (kernel/sched/core.c:9234)
[  141.977033][ T3683]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  141.977037][ T3683]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  141.977041][ T3683]  __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))
[  141.977043][ T3683]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.977050][ T3683]  ? 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)
[  141.977052][ T3683]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.977056][ T3683]  put_chars (drivers/char/virtio_console.c:1176)
[  141.977058][ T3683]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  141.977060][ T3683]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  141.977063][ T3683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  141.977066][ T3683]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  141.977071][ T3683]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  141.977075][ T3683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.977080][ T3683]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  141.977083][ T3683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.977088][ T3683]  console_emit_next_record (kernel/printk/printk.c:3183)
[  141.977092][ T3683]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  141.977094][ T3683]  ? 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))
[  141.977097][ T3683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.977099][ T3683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.977103][ T3683]  console_flush_one_record (kernel/printk/printk.c:3268)
[  141.977107][ T3683]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  141.977109][ T3683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.977114][ T3683]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  141.977117][ T3683]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  141.977119][ T3683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.977121][ T3683]  ? 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)
[  141.977124][ T3683]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  141.977126][ T3683]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  141.977129][ T3683]  vprintk_emit (kernel/printk/printk.c:2479)
[  141.977137][ T3683]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  141.977139][ T3683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  141.977142][ T3683]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  141.977145][ T3683]  _printk (kernel/printk/printk.c:2504)
[  141.977149][ T3683]  ? snapshot_read.cold (user.c:?)
[  141.977153][ T3683]  ? br_multicast_flood (??:?)
[  141.977156][ T3683]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  141.977157][ T3683]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  141.977158][ T3683]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  141.977163][ T3683]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  141.977167][ T3683]  br_init_port (net/bridge/br_stp_if.c:39)
[  141.977169][ T3683]  new_nbp (net/bridge/br_if.c:449)
[  141.977173][ T3683]  br_add_if (net/bridge/br_if.c:592)
[  141.977175][ T3683]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  141.977183][ T3683]  do_set_master (net/core/rtnetlink.c:3071)
[  141.977186][ T3683]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  141.977190][ T3683]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  141.977192][ T3683]  ? __dev_get_by_name (net/core/dev.c:905)
[  141.977194][ T3683]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  141.977203][ T3683]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  141.977210][ T3683]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  141.977215][ T3683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.977217][ T3683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.977224][ T3683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  141.977228][ T3683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.977230][ T3683]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  141.977233][ T3683]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.977234][ T3683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.977239][ T3683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  141.977241][ T3683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  141.977245][ T3683]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  141.977248][ T3683]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.977251][ T3683]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  141.977257][ T3683]  ? 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))
[  141.977259][ T3683]  ? 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))
[  141.977264][ T3683]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  141.977267][ T3683]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  141.977273][ T3683]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  141.977277][ T3683]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  141.977281][ T3683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  141.977283][ T3683]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  141.977288][ T3683]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  141.977292][ T3683]  ____sys_sendmsg (net/socket.c:2713)
[  141.977294][ T3683]  ? copy_msghdr_from_user (net/socket.c:2650)
[  141.977296][ T3683]  ? sock_write_iter (net/socket.c:1269)
[  141.977298][ T3683]  ? move_addr_to_kernel (net/socket.c:258)
[  141.977302][ T3683]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  141.977305][ T3683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  141.977309][ T3683]  ___sys_sendmsg (net/socket.c:2767)
[  141.977310][ T3683]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  141.977313][ T3683]  ? copy_msghdr_from_user (net/socket.c:2619)
[  141.977315][ T3683]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  141.977330][ T3683]  __sys_sendmsg (net/socket.c:2799)
[  141.977333][ T3683]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  141.977338][ T3683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.977340][ T3683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.977343][ T3683]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  141.977347][ T3683]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  141.977350][ T3683]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  141.977352][ T3683] RIP: 0033:0x7fadcfd6954e
[  141.977356][ T3683] 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
[  141.977357][ T3683] RSP: 002b:00007ffc2cc84d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  141.977360][ T3683] RAX: ffffffffffffffda RBX: 00007ffc2cc854d8 RCX: 00007fadcfd6954e
[  141.977361][ T3683] RDX: 0000000000000000 RSI: 00007ffc2cc84dc0 RDI: 0000000000000005
[  141.977362][ T3683] RBP: 00007ffc2cc84d20 R08: 0000000000000000 R09: 0000000000000000
[  141.977363][ T3683] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e980
[  141.977364][ T3683] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2cc85490
| [  142.016019][    C0]
| [  142.016019][    C0]
| [  142.016019][    C0] stack backtrace:
| [  142.016024][    C0] Tainted: [W]=WARN
[  142.016025][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  142.016026][    C0] Call Trace:
[  142.016027][    C0]  <IRQ>
[  142.016028][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  142.016032][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  142.016035][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  142.016036][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  142.016039][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  142.016041][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  142.016043][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  142.016045][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  142.016047][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  142.016049][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.016051][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.016053][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  142.016055][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  142.016057][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[  142.016058][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  142.016060][    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))
[  142.016062][    C0]  _printk (kernel/printk/printk.c:2504)
[  142.016064][    C0]  ? snapshot_read.cold (user.c:?)
[  142.016066][    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))
[  142.016067][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  142.016070][    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))
[  142.016071][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  142.016073][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  142.016075][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  142.016077][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  142.016079][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  142.016081][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  142.016083][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  142.016085][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.016087][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  142.016088][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  142.016091][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  142.016093][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  142.016095][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  142.016098][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  142.016100][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  142.016102][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  142.016105][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.016107][    C0]  handle_softirqs (kernel/softirq.c:645)
[  142.016109][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  142.016110][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  142.016112][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  142.016114][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  142.016116][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  142.016117][    C0]  </IRQ>
[  142.016118][    C0]  <TASK>
[  142.016118][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  142.016120][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  142.016122][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  142.016124][    C0] Code: 48 8b 3d 94 92 68 02 e8 1f 00 00 00 48 2b 05 58 e3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 16 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 92 68 02 	mov    0x2689294(%rip),%rdi        # 0x268929b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 e3 a0 00 	sub    0xa0e358(%rip),%rax        # 0xa0e36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 16 0e 00 	verw   0xe1613(%rip)        # 0xe163b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  142.016125][    C0] RSP: 0018:ffffffffa9407cf8 EFLAGS: 00000296
[  142.016127][    C0] RAX: 00000000006f99d7 RBX: ffffffffa9430600 RCX: ffffffffa5b06247
[  142.016129][    C0] RDX: ffffffffa9430600 RSI: ffffffffa8d11042 RDI: ffffffffa86949e0
[  142.016130][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  142.016134][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5280fa2
[  142.016135][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  142.016137][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  142.016139][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  142.016141][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  142.016142][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  142.016144][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  142.016146][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  142.016148][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  142.016150][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.016152][    C0]  do_idle (kernel/sched/idle.c:355)
[  142.016153][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  142.016155][    C0]  rest_init (init/main.c:727)
[  142.016157][    C0]  ? __cpuidle_text_end (??:?)
[  142.016159][    C0]  ? rest_init (init/main.c:727)
[  142.016161][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  142.016164][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  142.016166][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  142.016168][    C0]  start_kernel (init/main.c:1185)
[  142.016170][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  142.016172][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  142.016174][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  148.832724][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  148.832726][   T12] Preemption disabled at:
| [  148.832727][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  148.832737][   T12] Tainted: [W]=WARN
[  148.832738][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.832740][   T12] Workqueue: netns cleanup_net
[  148.832746][   T12] Call Trace:
[  148.832747][   T12]  <TASK>
[  148.832749][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  148.832754][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  148.832756][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  148.832759][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  148.832761][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  148.832764][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.832767][   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))
[  148.832770][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  148.832773][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.832777][   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)
[  148.832779][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.832782][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  148.832783][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  148.832785][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  148.832788][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  148.832792][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  148.832794][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  148.832797][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  148.832799][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.832800][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.832802][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  148.832804][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  148.832807][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.832808][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.832809][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.832810][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.832812][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  148.832814][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  148.832816][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  148.832819][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  148.832821][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.832822][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  148.832824][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.832825][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  148.832827][   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)
[  148.832828][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  148.832829][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  148.832831][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  148.832833][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  148.832835][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  148.832836][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  148.832837][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  148.832840][   T12]  ? kthread (kernel/kthread.c:436)
[  148.832842][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  148.832845][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  148.832847][   T12]  _printk (kernel/printk/printk.c:2504)
[  148.832850][   T12]  ? snapshot_read.cold (user.c:?)
[  148.832852][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  148.832856][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  148.832858][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  148.832860][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  148.832862][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.832863][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  148.832865][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  148.832868][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  148.832869][   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)
[  148.832870][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  148.832872][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  148.832875][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  148.832879][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  148.832881][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  148.832884][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  148.832886][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  148.832887][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  148.832890][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  148.832892][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  148.832894][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.832895][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.832897][   T12]  process_one_work (kernel/workqueue.c:3387)
[  148.832900][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  148.832902][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  148.832904][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  148.832906][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  148.832909][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  148.832911][   T12]  kthread (kernel/kthread.c:436)
[  148.832913][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  148.832914][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  148.832916][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  148.832918][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  148.832920][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  148.832922][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  148.832924][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  149.984282][ T3942] softirqs last disabled at (0): 0x0
| [  149.984284][ T3942] Preemption disabled at:
| [  149.984284][ T3942] vprintk_emit (kernel/printk/printk.c:2471)
| [  149.984294][ T3942] Tainted: [W]=WARN
[  149.984295][ T3942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  149.984297][ T3942] Call Trace:
[  149.984299][ T3942]  <TASK>
[  149.984300][ T3942]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  149.984306][ T3942]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  149.984308][ T3942]  __might_resched.cold (kernel/sched/core.c:9234)
[  149.984311][ T3942]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  149.984314][ T3942]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  149.984317][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984319][ T3942]  __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))
[  149.984322][ T3942]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.984325][ T3942]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.984330][ T3942]  ? 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)
[  149.984332][ T3942]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.984334][ T3942]  put_chars (drivers/char/virtio_console.c:1176)
[  149.984336][ T3942]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  149.984338][ T3942]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  149.984340][ T3942]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  149.984345][ T3942]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  149.984346][ T3942]  ? vsnprintf (lib/vsprintf.c:2900)
[  149.984350][ T3942]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.984351][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984352][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984354][ T3942]  console_emit_next_record (kernel/printk/printk.c:3183)
[  149.984357][ T3942]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  149.984359][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984360][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984361][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984362][ T3942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.984364][ T3942]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  149.984366][ T3942]  console_flush_one_record (kernel/printk/printk.c:3268)
[  149.984369][ T3942]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  149.984371][ T3942]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  149.984373][ T3942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.984375][ T3942]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  149.984377][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984378][ T3942]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.984379][ T3942]  ? 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)
[  149.984381][ T3942]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  149.984382][ T3942]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  149.984384][ T3942]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  149.984386][ T3942]  vprintk_emit (kernel/printk/printk.c:2479)
[  149.984387][ T3942]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  149.984389][ T3942]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.984390][ T3942]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  149.984393][ T3942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.984395][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984396][ T3942]  _printk (kernel/printk/printk.c:2504)
[  149.984399][ T3942]  ? snapshot_read.cold (user.c:?)
[  149.984401][ T3942]  ? br_multicast_flood (??:?)
[  149.984404][ T3942]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  149.984407][ T3942]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  149.984408][ T3942]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  149.984410][ T3942]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  149.984413][ T3942]  br_init_port (net/bridge/br_stp_if.c:39)
[  149.984415][ T3942]  new_nbp (net/bridge/br_if.c:449)
[  149.984417][ T3942]  br_add_if (net/bridge/br_if.c:592)
[  149.984419][ T3942]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  149.984423][ T3942]  do_set_master (net/core/rtnetlink.c:3071)
[  149.984425][ T3942]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  149.984427][ T3942]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  149.984428][ T3942]  ? __dev_get_by_name (net/core/dev.c:905)
[  149.984430][ T3942]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  149.984434][ T3942]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  149.984436][ T3942]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  149.984438][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984439][ T3942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  149.984441][ T3942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.984442][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984444][ T3942]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  149.984446][ T3942]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  149.984448][ T3942]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  149.984450][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984451][ T3942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.984453][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984454][ T3942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  149.984455][ T3942]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  149.984457][ T3942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  149.984459][ T3942]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  149.984460][ T3942]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  149.984464][ T3942]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  149.984467][ T3942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  149.984468][ T3942]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.984470][ T3942]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  149.984471][ T3942]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  149.984474][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984476][ T3942]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.984478][ T3942]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  149.984480][ T3942]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  149.984482][ T3942]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  149.984485][ T3942]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  149.984488][ T3942]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  149.984490][ T3942]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  149.984492][ T3942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.984493][ T3942]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  149.984497][ T3942]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  149.984499][ T3942]  ____sys_sendmsg (net/socket.c:2713)
[  149.984501][ T3942]  ? copy_msghdr_from_user (net/socket.c:2650)
[  149.984503][ T3942]  ? sock_write_iter (net/socket.c:1269)
[  149.984504][ T3942]  ? move_addr_to_kernel (net/socket.c:258)
[  149.984507][ T3942]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  149.984509][ T3942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.984511][ T3942]  ___sys_sendmsg (net/socket.c:2767)
[  149.984513][ T3942]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  149.984514][ T3942]  ? copy_msghdr_from_user (net/socket.c:2619)
[  149.984516][ T3942]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  149.984520][ T3942]  __sys_sendmsg (net/socket.c:2799)
[  149.984522][ T3942]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  149.984525][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984526][ T3942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.984528][ T3942]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  149.984530][ T3942]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  149.984532][ T3942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  149.984534][ T3942] RIP: 0033:0x7f965c54154e
[  149.984536][ T3942] 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
[  149.984538][ T3942] RSP: 002b:00007ffd08b42c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  149.984541][ T3942] RAX: ffffffffffffffda RBX: 00007ffd08b433f8 RCX: 00007f965c54154e
[  149.984543][ T3942] RDX: 0000000000000000 RSI: 00007ffd08b42ce0 RDI: 0000000000000005
[  149.984544][ T3942] RBP: 00007ffd08b42c40 R08: 0000000000000000 R09: 0000000000000000
[  149.984545][ T3942] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e988
[  149.984546][ T3942] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd08b433b0
| [  151.259950][ T4011] softirqs last disabled at (0): 0x0
| [  151.259952][ T4011] Preemption disabled at:
| [  151.259953][ T4011] vprintk_emit (kernel/printk/printk.c:2471)
| [  151.259962][ T4011] Tainted: [W]=WARN
[  151.259963][ T4011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  151.259965][ T4011] Call Trace:
[  151.259967][ T4011]  <TASK>
[  151.259968][ T4011]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  151.259973][ T4011]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  151.259974][ T4011]  __might_resched.cold (kernel/sched/core.c:9234)
[  151.259978][ T4011]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  151.259981][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.259984][ T4011]  __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))
[  151.259987][ T4011]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.259990][ T4011]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.259995][ T4011]  ? 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)
[  151.259997][ T4011]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.259999][ T4011]  put_chars (drivers/char/virtio_console.c:1176)
[  151.260001][ T4011]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  151.260002][ T4011]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  151.260005][ T4011]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  151.260007][ T4011]  ? pointer (lib/vsprintf.c:2577)
[  151.260010][ T4011]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  151.260015][ T4011]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  151.260017][ T4011]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.260019][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.260021][ T4011]  console_emit_next_record (kernel/printk/printk.c:3183)
[  151.260024][ T4011]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  151.260026][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260027][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260028][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260029][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.260031][ T4011]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  151.260033][ T4011]  console_flush_one_record (kernel/printk/printk.c:3268)
[  151.260035][ T4011]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  151.260038][ T4011]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  151.260040][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.260041][ T4011]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  151.260043][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260044][ T4011]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.260045][ T4011]  ? 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)
[  151.260047][ T4011]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  151.260048][ T4011]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  151.260050][ T4011]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  151.260052][ T4011]  vprintk_emit (kernel/printk/printk.c:2479)
[  151.260054][ T4011]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  151.260055][ T4011]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  151.260057][ T4011]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  151.260060][ T4011]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  151.260063][ T4011]  _printk (kernel/printk/printk.c:2504)
[  151.260065][ T4011]  ? snapshot_read.cold (user.c:?)
[  151.260067][ T4011]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  151.260069][ T4011]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  151.260073][ T4011]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  151.260074][ T4011]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  151.260077][ T4011]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  151.260080][ T4011]  ? netdev_notice (net/core/dev.c:13194)
[  151.260082][ T4011]  ? 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)
[  151.260084][ T4011]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  151.260086][ T4011]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.260088][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260089][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260090][ T4011]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  151.260092][ T4011]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  151.260093][ T4011]  ? 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)
[  151.260094][ T4011]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  151.260096][ T4011]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  151.260097][ T4011]  ? register_netdev (net/core/dev.c:11618)
[  151.260099][ T4011]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.260101][ T4011]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  151.260103][ T4011]  ? __kernel_text_address (kernel/extable.c:79)
[  151.260106][ T4011]  ? write_profile (profile.c:?)
[  151.260109][ T4011]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  151.260112][ T4011]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  151.260114][ T4011]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  151.260115][ T4011]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  151.260116][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260117][ T4011]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  151.260121][ T4011]  ? kasan_save_stack (mm/kasan/common.c:58)
[  151.260123][ T4011]  ? kasan_save_stack (mm/kasan/common.c:57)
[  151.260124][ T4011]  ? kasan_save_track (mm/kasan/common.c:78)
[  151.260125][ T4011]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  151.260126][ T4011]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  151.260127][ T4011]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  151.260128][ T4011]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  151.260129][ T4011]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  151.260132][ T4011]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  151.260134][ T4011]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  151.260135][ T4011]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  151.260138][ T4011]  ? ____sys_sendmsg (net/socket.c:2713)
[  151.260139][ T4011]  ? ___sys_sendmsg (net/socket.c:2767)
[  151.260141][ T4011]  ? __sys_sendmsg (net/socket.c:2799)
[  151.260142][ T4011]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  151.260145][ T4011]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.260147][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260148][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.260150][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260151][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260152][ T4011]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  151.260154][ T4011]  ? __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)
[  151.260155][ T4011]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  151.260156][ T4011]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  151.260157][ T4011]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  151.260158][ T4011]  ? nla_get_range_signed (lib/nlattr.c:270)
[  151.260167][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260169][ T4011]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  151.260171][ T4011]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  151.260173][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260174][ T4011]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  151.260175][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.260177][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260178][ T4011]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  151.260180][ T4011]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  151.260182][ T4011]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  151.260183][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260184][ T4011]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  151.260187][ T4011]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  151.260190][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260191][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.260193][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260194][ T4011]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  151.260195][ T4011]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  151.260197][ T4011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  151.260198][ T4011]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  151.260200][ T4011]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  151.260202][ T4011]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  151.260204][ T4011]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  151.260205][ T4011]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.260207][ T4011]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  151.260208][ T4011]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  151.260211][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260212][ T4011]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.260214][ T4011]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  151.260216][ T4011]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  151.260218][ T4011]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.260220][ T4011]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  151.260222][ T4011]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  151.260224][ T4011]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  151.260225][ T4011]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.260227][ T4011]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  151.260230][ T4011]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  151.260232][ T4011]  ____sys_sendmsg (net/socket.c:2713)
[  151.260233][ T4011]  ? copy_msghdr_from_user (net/socket.c:2650)
[  151.260235][ T4011]  ? sock_write_iter (net/socket.c:1269)
[  151.260236][ T4011]  ? move_addr_to_kernel (net/socket.c:258)
[  151.260238][ T4011]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  151.260240][ T4011]  ___sys_sendmsg (net/socket.c:2767)
[  151.260242][ T4011]  ? copy_msghdr_from_user (net/socket.c:2619)
[  151.260247][ T4011]  __sys_sendmsg (net/socket.c:2799)
[  151.260249][ T4011]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  151.260251][ T4011]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.260253][ T4011]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  151.260255][ T4011]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  151.260257][ T4011]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.260258][ T4011] RIP: 0033:0x7fc85ea4c54e
[  151.260260][ T4011] 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
[  151.260262][ T4011] RSP: 002b:00007ffff9eeace0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  151.260266][ T4011] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc85ea4c54e
[  151.260267][ T4011] RDX: 0000000000000000 RSI: 00007ffff9eead90 RDI: 0000000000000005
[  151.260268][ T4011] RBP: 00007ffff9eeacf0 R08: 0000000000000000 R09: 0000000000000000
[  151.260269][ T4011] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e989
[  151.260270][ T4011] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff9eeb450
| [  152.303203][ T4061] softirqs last disabled at (0): 0x0
| [  152.303205][ T4061] Preemption disabled at:
| [  152.303206][ T4061] vprintk_emit (kernel/printk/printk.c:2471)
| [  152.303216][ T4061] Tainted: [W]=WARN
[  152.303217][ T4061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  152.303219][ T4061] Call Trace:
[  152.303221][ T4061]  <TASK>
[  152.303222][ T4061]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  152.303227][ T4061]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  152.303229][ T4061]  __might_resched.cold (kernel/sched/core.c:9234)
[  152.303232][ T4061]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  152.303235][ T4061]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  152.303238][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303240][ T4061]  __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))
[  152.303243][ T4061]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.303246][ T4061]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.303251][ T4061]  ? 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)
[  152.303253][ T4061]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.303256][ T4061]  put_chars (drivers/char/virtio_console.c:1176)
[  152.303258][ T4061]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  152.303260][ T4061]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  152.303262][ T4061]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  152.303267][ T4061]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  152.303269][ T4061]  ? vsnprintf (lib/vsprintf.c:2900)
[  152.303272][ T4061]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.303273][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303274][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303276][ T4061]  console_emit_next_record (kernel/printk/printk.c:3183)
[  152.303279][ T4061]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  152.303281][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303282][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303283][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303284][ T4061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.303287][ T4061]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  152.303289][ T4061]  console_flush_one_record (kernel/printk/printk.c:3268)
[  152.303291][ T4061]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  152.303294][ T4061]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  152.303296][ T4061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.303297][ T4061]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  152.303299][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303300][ T4061]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.303301][ T4061]  ? 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)
[  152.303303][ T4061]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  152.303304][ T4061]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  152.303306][ T4061]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  152.303308][ T4061]  vprintk_emit (kernel/printk/printk.c:2479)
[  152.303310][ T4061]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  152.303311][ T4061]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.303313][ T4061]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  152.303315][ T4061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.303317][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303318][ T4061]  _printk (kernel/printk/printk.c:2504)
[  152.303321][ T4061]  ? snapshot_read.cold (user.c:?)
[  152.303323][ T4061]  ? br_multicast_flood (??:?)
[  152.303327][ T4061]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  152.303329][ T4061]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  152.303330][ T4061]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  152.303332][ T4061]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  152.303335][ T4061]  br_init_port (net/bridge/br_stp_if.c:39)
[  152.303337][ T4061]  new_nbp (net/bridge/br_if.c:449)
[  152.303339][ T4061]  br_add_if (net/bridge/br_if.c:592)
[  152.303341][ T4061]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  152.303345][ T4061]  do_set_master (net/core/rtnetlink.c:3071)
[  152.303347][ T4061]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  152.303348][ T4061]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  152.303350][ T4061]  ? __dev_get_by_name (net/core/dev.c:905)
[  152.303352][ T4061]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  152.303356][ T4061]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  152.303358][ T4061]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  152.303360][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303362][ T4061]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.303363][ T4061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.303365][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303366][ T4061]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  152.303369][ T4061]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  152.303371][ T4061]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  152.303373][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303374][ T4061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.303376][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303377][ T4061]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.303378][ T4061]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  152.303380][ T4061]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.303381][ T4061]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  152.303383][ T4061]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  152.303387][ T4061]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  152.303390][ T4061]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.303391][ T4061]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.303393][ T4061]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  152.303394][ T4061]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  152.303397][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303399][ T4061]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.303401][ T4061]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  152.303403][ T4061]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  152.303405][ T4061]  ? next_uptodate_folio (mm/filemap.c:3747)
[  152.303408][ T4061]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  152.303410][ T4061]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  152.303412][ T4061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.303413][ T4061]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  152.303417][ T4061]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  152.303419][ T4061]  ____sys_sendmsg (net/socket.c:2713)
[  152.303421][ T4061]  ? copy_msghdr_from_user (net/socket.c:2650)
[  152.303423][ T4061]  ? sock_write_iter (net/socket.c:1269)
[  152.303424][ T4061]  ? move_addr_to_kernel (net/socket.c:258)
[  152.303427][ T4061]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  152.303429][ T4061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.303431][ T4061]  ___sys_sendmsg (net/socket.c:2767)
[  152.303432][ T4061]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  152.303434][ T4061]  ? copy_msghdr_from_user (net/socket.c:2619)
[  152.303436][ T4061]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  152.303440][ T4061]  __sys_sendmsg (net/socket.c:2799)
[  152.303442][ T4061]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  152.303445][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303446][ T4061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.303448][ T4061]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  152.303450][ T4061]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  152.303452][ T4061]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.303454][ T4061] RIP: 0033:0x7fbb96f5254e
[  152.303457][ T4061] 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
[  152.303458][ T4061] RSP: 002b:00007ffe07860c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  152.303462][ T4061] RAX: ffffffffffffffda RBX: 00007ffe07861428 RCX: 00007fbb96f5254e
[  152.303464][ T4061] RDX: 0000000000000000 RSI: 00007ffe07860d10 RDI: 0000000000000005
[  152.303465][ T4061] RBP: 00007ffe07860c70 R08: 0000000000000000 R09: 0000000000000000
[  152.303466][ T4061] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e98a
[  152.303466][ T4061] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe078613e0
| [  159.162390][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  159.162392][   T12] Preemption disabled at:
| [  159.162393][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  159.162403][   T12] Tainted: [W]=WARN
[  159.162404][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  159.162406][   T12] Workqueue: netns cleanup_net
[  159.162412][   T12] Call Trace:
[  159.162413][   T12]  <TASK>
[  159.162415][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  159.162420][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  159.162422][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  159.162425][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  159.162428][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  159.162431][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.162433][   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))
[  159.162436][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  159.162439][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  159.162444][   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)
[  159.162445][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  159.162448][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  159.162450][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  159.162452][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  159.162454][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  159.162459][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  159.162461][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  159.162463][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  159.162465][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.162466][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.162467][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  159.162470][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  159.162472][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.162473][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.162474][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.162475][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  159.162478][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  159.162479][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  159.162482][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  159.162485][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  159.162487][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  159.162488][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  159.162490][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.162491][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  159.162493][   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)
[  159.162494][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  159.162496][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  159.162498][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  159.162499][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  159.162501][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  159.162502][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  159.162503][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  159.162506][   T12]  ? kthread (kernel/kthread.c:436)
[  159.162509][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  159.162511][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  159.162514][   T12]  _printk (kernel/printk/printk.c:2504)
[  159.162517][   T12]  ? snapshot_read.cold (user.c:?)
[  159.162519][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  159.162522][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  159.162524][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  159.162527][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  159.162529][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.162530][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  159.162531][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  159.162534][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  159.162536][   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)
[  159.162537][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  159.162540][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  159.162542][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  159.162546][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  159.162548][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  159.162551][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  159.162553][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  159.162555][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  159.162557][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  159.162559][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  159.162561][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  159.162563][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.162565][   T12]  process_one_work (kernel/workqueue.c:3387)
[  159.162569][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  159.162571][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  159.162573][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  159.162575][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  159.162578][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  159.162580][   T12]  kthread (kernel/kthread.c:436)
[  159.162582][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  159.162584][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  159.162586][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  159.162587][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  159.162589][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  159.162592][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  159.162594][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  160.324880][ T4319] softirqs last disabled at (0): 0x0
| [  160.324882][ T4319] Preemption disabled at:
| [  160.324882][ T4319] vprintk_emit (kernel/printk/printk.c:2471)
| [  160.324892][ T4319] Tainted: [W]=WARN
[  160.324893][ T4319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  160.324895][ T4319] Call Trace:
[  160.324897][ T4319]  <TASK>
[  160.324898][ T4319]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  160.324903][ T4319]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  160.324905][ T4319]  __might_resched.cold (kernel/sched/core.c:9234)
[  160.324908][ T4319]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  160.324911][ T4319]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  160.324914][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.324917][ T4319]  __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))
[  160.324920][ T4319]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.324923][ T4319]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.324927][ T4319]  ? 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)
[  160.324929][ T4319]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.324931][ T4319]  put_chars (drivers/char/virtio_console.c:1176)
[  160.324933][ T4319]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  160.324935][ T4319]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  160.324937][ T4319]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  160.324942][ T4319]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  160.324944][ T4319]  ? vsnprintf (lib/vsprintf.c:2900)
[  160.324947][ T4319]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.324949][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.324950][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.324952][ T4319]  console_emit_next_record (kernel/printk/printk.c:3183)
[  160.324954][ T4319]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  160.324957][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.324958][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.324958][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.324960][ T4319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.324962][ T4319]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  160.324964][ T4319]  console_flush_one_record (kernel/printk/printk.c:3268)
[  160.324966][ T4319]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  160.324969][ T4319]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  160.324971][ T4319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.324972][ T4319]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  160.324974][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.324975][ T4319]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.324976][ T4319]  ? 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)
[  160.324978][ T4319]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  160.324979][ T4319]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  160.324981][ T4319]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  160.324983][ T4319]  vprintk_emit (kernel/printk/printk.c:2479)
[  160.324984][ T4319]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  160.324986][ T4319]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.324987][ T4319]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  160.324990][ T4319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.324992][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.324993][ T4319]  _printk (kernel/printk/printk.c:2504)
[  160.324996][ T4319]  ? snapshot_read.cold (user.c:?)
[  160.324998][ T4319]  ? br_multicast_flood (??:?)
[  160.325001][ T4319]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  160.325004][ T4319]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  160.325005][ T4319]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.325007][ T4319]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  160.325010][ T4319]  br_init_port (net/bridge/br_stp_if.c:39)
[  160.325011][ T4319]  new_nbp (net/bridge/br_if.c:449)
[  160.325014][ T4319]  br_add_if (net/bridge/br_if.c:592)
[  160.325015][ T4319]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  160.325019][ T4319]  do_set_master (net/core/rtnetlink.c:3071)
[  160.325021][ T4319]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  160.325023][ T4319]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  160.325024][ T4319]  ? __dev_get_by_name (net/core/dev.c:905)
[  160.325026][ T4319]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  160.325030][ T4319]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  160.325032][ T4319]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.325034][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.325036][ T4319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.325037][ T4319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.325038][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.325040][ T4319]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  160.325042][ T4319]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  160.325044][ T4319]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  160.325047][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.325048][ T4319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.325049][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.325050][ T4319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.325052][ T4319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.325053][ T4319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.325055][ T4319]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  160.325056][ T4319]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  160.325060][ T4319]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  160.325063][ T4319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.325064][ T4319]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.325066][ T4319]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  160.325067][ T4319]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  160.325070][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.325072][ T4319]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.325074][ T4319]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  160.325076][ T4319]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  160.325078][ T4319]  ? next_uptodate_folio (mm/filemap.c:3747)
[  160.325081][ T4319]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  160.325083][ T4319]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  160.325085][ T4319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.325086][ T4319]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  160.325090][ T4319]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  160.325092][ T4319]  ____sys_sendmsg (net/socket.c:2713)
[  160.325094][ T4319]  ? copy_msghdr_from_user (net/socket.c:2650)
[  160.325096][ T4319]  ? sock_write_iter (net/socket.c:1269)
[  160.325098][ T4319]  ? move_addr_to_kernel (net/socket.c:258)
[  160.325100][ T4319]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  160.325102][ T4319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.325104][ T4319]  ___sys_sendmsg (net/socket.c:2767)
[  160.325106][ T4319]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  160.325107][ T4319]  ? copy_msghdr_from_user (net/socket.c:2619)
[  160.325109][ T4319]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  160.325113][ T4319]  __sys_sendmsg (net/socket.c:2799)
[  160.325115][ T4319]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  160.325118][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.325119][ T4319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.325120][ T4319]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  160.325123][ T4319]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  160.325125][ T4319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  160.325127][ T4319] RIP: 0033:0x7f29a93c254e
[  160.325129][ T4319] 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
[  160.325131][ T4319] RSP: 002b:00007ffccfbc9450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  160.325134][ T4319] RAX: ffffffffffffffda RBX: 00007ffccfbc9c18 RCX: 00007f29a93c254e
[  160.325136][ T4319] RDX: 0000000000000000 RSI: 00007ffccfbc9500 RDI: 0000000000000005
[  160.325137][ T4319] RBP: 00007ffccfbc9460 R08: 0000000000000000 R09: 0000000000000000
[  160.325138][ T4319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e992
[  160.325139][ T4319] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccfbc9bd0
| [  161.594700][ T4388] softirqs last disabled at (0): 0x0
| [  161.594702][ T4388] Preemption disabled at:
| [  161.594703][ T4388] vprintk_emit (kernel/printk/printk.c:2471)
| [  161.594712][ T4388] Tainted: [W]=WARN
[  161.594714][ T4388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  161.594715][ T4388] Call Trace:
[  161.594717][ T4388]  <TASK>
[  161.594718][ T4388]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  161.594724][ T4388]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  161.594725][ T4388]  __might_resched.cold (kernel/sched/core.c:9234)
[  161.594730][ T4388]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  161.594733][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594735][ T4388]  __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))
[  161.594738][ T4388]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  161.594741][ T4388]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.594746][ T4388]  ? 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)
[  161.594748][ T4388]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.594750][ T4388]  put_chars (drivers/char/virtio_console.c:1176)
[  161.594752][ T4388]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  161.594753][ T4388]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  161.594755][ T4388]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  161.594757][ T4388]  ? pointer (lib/vsprintf.c:2577)
[  161.594761][ T4388]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  161.594766][ T4388]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  161.594767][ T4388]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  161.594769][ T4388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.594772][ T4388]  console_emit_next_record (kernel/printk/printk.c:3183)
[  161.594774][ T4388]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  161.594776][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594778][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594778][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594780][ T4388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.594781][ T4388]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  161.594783][ T4388]  console_flush_one_record (kernel/printk/printk.c:3268)
[  161.594786][ T4388]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  161.594789][ T4388]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  161.594790][ T4388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.594792][ T4388]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  161.594794][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594795][ T4388]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.594797][ T4388]  ? 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)
[  161.594798][ T4388]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  161.594800][ T4388]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  161.594802][ T4388]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  161.594803][ T4388]  vprintk_emit (kernel/printk/printk.c:2479)
[  161.594805][ T4388]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  161.594806][ T4388]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  161.594809][ T4388]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  161.594812][ T4388]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  161.594814][ T4388]  _printk (kernel/printk/printk.c:2504)
[  161.594817][ T4388]  ? snapshot_read.cold (user.c:?)
[  161.594819][ T4388]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  161.594822][ T4388]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  161.594825][ T4388]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  161.594827][ T4388]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  161.594830][ T4388]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  161.594833][ T4388]  ? netdev_notice (net/core/dev.c:13194)
[  161.594835][ T4388]  ? 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)
[  161.594837][ T4388]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  161.594839][ T4388]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  161.594841][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594842][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594843][ T4388]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  161.594844][ T4388]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  161.594846][ T4388]  ? 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)
[  161.594847][ T4388]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  161.594849][ T4388]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  161.594850][ T4388]  ? register_netdev (net/core/dev.c:11618)
[  161.594851][ T4388]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.594854][ T4388]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  161.594856][ T4388]  ? __kernel_text_address (kernel/extable.c:79)
[  161.594858][ T4388]  ? write_profile (profile.c:?)
[  161.594861][ T4388]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  161.594865][ T4388]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  161.594867][ T4388]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  161.594868][ T4388]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  161.594869][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594870][ T4388]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  161.594874][ T4388]  ? kasan_save_stack (mm/kasan/common.c:58)
[  161.594876][ T4388]  ? kasan_save_stack (mm/kasan/common.c:57)
[  161.594877][ T4388]  ? kasan_save_track (mm/kasan/common.c:78)
[  161.594878][ T4388]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  161.594879][ T4388]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  161.594880][ T4388]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  161.594881][ T4388]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  161.594883][ T4388]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  161.594885][ T4388]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  161.594887][ T4388]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  161.594889][ T4388]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  161.594891][ T4388]  ? ____sys_sendmsg (net/socket.c:2713)
[  161.594892][ T4388]  ? ___sys_sendmsg (net/socket.c:2767)
[  161.594894][ T4388]  ? __sys_sendmsg (net/socket.c:2799)
[  161.594895][ T4388]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  161.594898][ T4388]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.594900][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594901][ T4388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.594903][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594904][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594905][ T4388]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  161.594906][ T4388]  ? __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)
[  161.594907][ T4388]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  161.594908][ T4388]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  161.594910][ T4388]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  161.594911][ T4388]  ? nla_get_range_signed (lib/nlattr.c:270)
[  161.594914][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594915][ T4388]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  161.594917][ T4388]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  161.594919][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594920][ T4388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  161.594922][ T4388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.594923][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594924][ T4388]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  161.594927][ T4388]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  161.594928][ T4388]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  161.594930][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594931][ T4388]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  161.594934][ T4388]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  161.594936][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594937][ T4388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.594939][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594940][ T4388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  161.594941][ T4388]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  161.594943][ T4388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  161.594944][ T4388]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  161.594946][ T4388]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  161.594948][ T4388]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  161.594950][ T4388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  161.594951][ T4388]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.594953][ T4388]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  161.594954][ T4388]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  161.594957][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.594959][ T4388]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.594961][ T4388]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  161.594963][ T4388]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  161.594965][ T4388]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.594967][ T4388]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  161.594969][ T4388]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  161.594970][ T4388]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  161.594972][ T4388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.594974][ T4388]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  161.594976][ T4388]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  161.594978][ T4388]  ____sys_sendmsg (net/socket.c:2713)
[  161.594980][ T4388]  ? copy_msghdr_from_user (net/socket.c:2650)
[  161.594982][ T4388]  ? sock_write_iter (net/socket.c:1269)
[  161.594983][ T4388]  ? move_addr_to_kernel (net/socket.c:258)
[  161.594985][ T4388]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  161.594987][ T4388]  ___sys_sendmsg (net/socket.c:2767)
[  161.594989][ T4388]  ? copy_msghdr_from_user (net/socket.c:2619)
[  161.594994][ T4388]  __sys_sendmsg (net/socket.c:2799)
[  161.594996][ T4388]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  161.594999][ T4388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.595000][ T4388]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  161.595002][ T4388]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  161.595004][ T4388]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.595005][ T4388] RIP: 0033:0x7f95bdb3f54e
[  161.595008][ T4388] 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
[  161.595009][ T4388] RSP: 002b:00007ffeeb96a4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  161.595013][ T4388] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f95bdb3f54e
[  161.595014][ T4388] RDX: 0000000000000000 RSI: 00007ffeeb96a5a0 RDI: 0000000000000005
[  161.595015][ T4388] RBP: 00007ffeeb96a500 R08: 0000000000000000 R09: 0000000000000000
[  161.595016][ T4388] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e993
[  161.595017][ T4388] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeeb96ac60
| [  162.655924][ T4445] softirqs last disabled at (0): 0x0
| [  162.655926][ T4445] Preemption disabled at:
| [  162.655927][ T4445] vprintk_emit (kernel/printk/printk.c:2471)
| [  162.655936][ T4445] Tainted: [W]=WARN
[  162.655937][ T4445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  162.655939][ T4445] Call Trace:
[  162.655941][ T4445]  <TASK>
[  162.655942][ T4445]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  162.655947][ T4445]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  162.655949][ T4445]  __might_resched.cold (kernel/sched/core.c:9234)
[  162.655952][ T4445]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  162.655954][ T4445]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  162.655958][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.655960][ T4445]  __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))
[  162.655963][ T4445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  162.655966][ T4445]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  162.655971][ T4445]  ? 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)
[  162.655973][ T4445]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  162.655976][ T4445]  put_chars (drivers/char/virtio_console.c:1176)
[  162.655977][ T4445]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  162.655979][ T4445]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  162.655982][ T4445]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  162.655986][ T4445]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  162.655988][ T4445]  ? vsnprintf (lib/vsprintf.c:2900)
[  162.655991][ T4445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  162.655993][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.655994][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.655996][ T4445]  console_emit_next_record (kernel/printk/printk.c:3183)
[  162.655999][ T4445]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  162.656001][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.656002][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.656003][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.656004][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.656007][ T4445]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  162.656008][ T4445]  console_flush_one_record (kernel/printk/printk.c:3268)
[  162.656011][ T4445]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  162.656013][ T4445]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  162.656015][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.656017][ T4445]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  162.656019][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.656020][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.656021][ T4445]  ? 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)
[  162.656023][ T4445]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  162.656024][ T4445]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  162.656026][ T4445]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  162.656028][ T4445]  vprintk_emit (kernel/printk/printk.c:2479)
[  162.656030][ T4445]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  162.656031][ T4445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  162.656033][ T4445]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  162.656035][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.656037][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.656039][ T4445]  _printk (kernel/printk/printk.c:2504)
[  162.656041][ T4445]  ? snapshot_read.cold (user.c:?)
[  162.656043][ T4445]  ? br_multicast_flood (??:?)
[  162.656047][ T4445]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  162.656050][ T4445]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  162.656051][ T4445]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  162.656053][ T4445]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  162.656056][ T4445]  br_init_port (net/bridge/br_stp_if.c:39)
[  162.656057][ T4445]  new_nbp (net/bridge/br_if.c:449)
[  162.656059][ T4445]  br_add_if (net/bridge/br_if.c:592)
[  162.656061][ T4445]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  162.656065][ T4445]  do_set_master (net/core/rtnetlink.c:3071)
[  162.656067][ T4445]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  162.656069][ T4445]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  162.656070][ T4445]  ? __dev_get_by_name (net/core/dev.c:905)
[  162.656072][ T4445]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  162.656076][ T4445]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  162.656078][ T4445]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  162.656080][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.656082][ T4445]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  162.656083][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.656084][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.656086][ T4445]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  162.656088][ T4445]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  162.656090][ T4445]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  162.656093][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.656094][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.656095][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.656096][ T4445]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  162.656098][ T4445]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  162.656100][ T4445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  162.656101][ T4445]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  162.656102][ T4445]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  162.656106][ T4445]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  162.656109][ T4445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  162.656111][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.656112][ T4445]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  162.656114][ T4445]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  162.656117][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.656118][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.656120][ T4445]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  162.656122][ T4445]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  162.656124][ T4445]  ? next_uptodate_folio (mm/filemap.c:3747)
[  162.656127][ T4445]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  162.656129][ T4445]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  162.656131][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.656133][ T4445]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  162.656136][ T4445]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  162.656139][ T4445]  ____sys_sendmsg (net/socket.c:2713)
[  162.656141][ T4445]  ? copy_msghdr_from_user (net/socket.c:2650)
[  162.656143][ T4445]  ? sock_write_iter (net/socket.c:1269)
[  162.656144][ T4445]  ? move_addr_to_kernel (net/socket.c:258)
[  162.656146][ T4445]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  162.656149][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.656151][ T4445]  ___sys_sendmsg (net/socket.c:2767)
[  162.656152][ T4445]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  162.656154][ T4445]  ? copy_msghdr_from_user (net/socket.c:2619)
[  162.656155][ T4445]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  162.656160][ T4445]  __sys_sendmsg (net/socket.c:2799)
[  162.656162][ T4445]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  162.656164][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.656166][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.656167][ T4445]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  162.656170][ T4445]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  162.656171][ T4445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  162.656174][ T4445] RIP: 0033:0x7f04968bc54e
[  162.656175][ T4445] 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
[  162.656177][ T4445] RSP: 002b:00007ffe8d6534e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  162.656181][ T4445] RAX: ffffffffffffffda RBX: 00007ffe8d653ca8 RCX: 00007f04968bc54e
[  162.656183][ T4445] RDX: 0000000000000000 RSI: 00007ffe8d653590 RDI: 0000000000000005
[  162.656183][ T4445] RBP: 00007ffe8d6534f0 R08: 0000000000000000 R09: 0000000000000000
[  162.656184][ T4445] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e995
[  162.656185][ T4445] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8d653c60
| [  168.192915][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  168.192918][   T12] Preemption disabled at:
| [  168.192919][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  168.192929][   T12] Tainted: [W]=WARN
[  168.192930][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  168.192932][   T12] Workqueue: netns cleanup_net
[  168.192938][   T12] Call Trace:
[  168.192940][   T12]  <TASK>
[  168.192942][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  168.192947][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  168.192948][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  168.192952][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  168.192954][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  168.192958][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.192961][   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))
[  168.192964][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.192967][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.192971][   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)
[  168.192973][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.192976][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  168.192977][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  168.192979][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  168.192981][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  168.192986][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  168.192988][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  168.192990][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.192992][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.192993][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.192995][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  168.192997][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  168.192999][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.193000][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.193001][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.193002][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.193005][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  168.193007][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  168.193009][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  168.193012][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  168.193014][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.193015][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  168.193017][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.193018][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.193020][   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)
[  168.193021][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  168.193023][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  168.193025][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  168.193026][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  168.193028][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  168.193029][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  168.193031][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  168.193033][   T12]  ? kthread (kernel/kthread.c:436)
[  168.193035][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  168.193038][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  168.193041][   T12]  _printk (kernel/printk/printk.c:2504)
[  168.193044][   T12]  ? snapshot_read.cold (user.c:?)
[  168.193047][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  168.193050][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  168.193052][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  168.193054][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  168.193056][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.193058][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  168.193059][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  168.193062][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  168.193064][   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)
[  168.193065][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  168.193067][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  168.193070][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  168.193074][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  168.193076][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  168.193078][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  168.193080][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  168.193082][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  168.193085][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  168.193086][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  168.193088][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.193090][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.193092][   T12]  process_one_work (kernel/workqueue.c:3387)
[  168.193094][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  168.193097][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  168.193099][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.193101][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  168.193104][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  168.193106][   T12]  kthread (kernel/kthread.c:436)
[  168.193107][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  168.193109][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  168.193111][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  168.193113][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  168.193115][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  168.193118][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  168.193120][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  169.407152][ T4568] softirqs last disabled at (0): 0x0
| [  169.407154][ T4568] Preemption disabled at:
| [  169.407154][ T4568] vprintk_emit (kernel/printk/printk.c:2471)
| [  169.407164][ T4568] Tainted: [W]=WARN
[  169.407166][ T4568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  169.407167][ T4568] Call Trace:
[  169.407169][ T4568]  <TASK>
[  169.407171][ T4568]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  169.407176][ T4568]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  169.407177][ T4568]  __might_resched.cold (kernel/sched/core.c:9234)
[  169.407181][ T4568]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  169.407184][ T4568]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  169.407187][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407189][ T4568]  __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))
[  169.407192][ T4568]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  169.407195][ T4568]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  169.407200][ T4568]  ? 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)
[  169.407202][ T4568]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  169.407204][ T4568]  put_chars (drivers/char/virtio_console.c:1176)
[  169.407206][ T4568]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  169.407208][ T4568]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  169.407211][ T4568]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  169.407215][ T4568]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  169.407222][ T4568]  ? vsnprintf (lib/vsprintf.c:2900)
[  169.407225][ T4568]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  169.407227][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407228][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407230][ T4568]  console_emit_next_record (kernel/printk/printk.c:3183)
[  169.407233][ T4568]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  169.407235][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407236][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407237][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407238][ T4568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.407241][ T4568]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  169.407243][ T4568]  console_flush_one_record (kernel/printk/printk.c:3268)
[  169.407245][ T4568]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  169.407248][ T4568]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  169.407250][ T4568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.407252][ T4568]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  169.407253][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407254][ T4568]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.407256][ T4568]  ? 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)
[  169.407257][ T4568]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  169.407259][ T4568]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  169.407261][ T4568]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  169.407262][ T4568]  vprintk_emit (kernel/printk/printk.c:2479)
[  169.407264][ T4568]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  169.407265][ T4568]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  169.407267][ T4568]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  169.407270][ T4568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.407271][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407273][ T4568]  _printk (kernel/printk/printk.c:2504)
[  169.407276][ T4568]  ? snapshot_read.cold (user.c:?)
[  169.407278][ T4568]  ? br_multicast_flood (??:?)
[  169.407281][ T4568]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  169.407284][ T4568]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  169.407285][ T4568]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  169.407287][ T4568]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  169.407290][ T4568]  br_init_port (net/bridge/br_stp_if.c:39)
[  169.407292][ T4568]  new_nbp (net/bridge/br_if.c:449)
[  169.407294][ T4568]  br_add_if (net/bridge/br_if.c:592)
[  169.407296][ T4568]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  169.407300][ T4568]  do_set_master (net/core/rtnetlink.c:3071)
[  169.407302][ T4568]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  169.407304][ T4568]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  169.407305][ T4568]  ? __dev_get_by_name (net/core/dev.c:905)
[  169.407307][ T4568]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  169.407311][ T4568]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  169.407313][ T4568]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  169.407315][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407316][ T4568]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  169.407318][ T4568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.407319][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407321][ T4568]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  169.407323][ T4568]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  169.407325][ T4568]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  169.407328][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407329][ T4568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.407330][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407331][ T4568]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  169.407333][ T4568]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  169.407334][ T4568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  169.407336][ T4568]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  169.407337][ T4568]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  169.407341][ T4568]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  169.407344][ T4568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  169.407345][ T4568]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.407347][ T4568]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  169.407349][ T4568]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  169.407352][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407353][ T4568]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.407355][ T4568]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  169.407357][ T4568]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  169.407359][ T4568]  ? next_uptodate_folio (mm/filemap.c:3747)
[  169.407362][ T4568]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  169.407364][ T4568]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  169.407366][ T4568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.407368][ T4568]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  169.407371][ T4568]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  169.407374][ T4568]  ____sys_sendmsg (net/socket.c:2713)
[  169.407376][ T4568]  ? copy_msghdr_from_user (net/socket.c:2650)
[  169.407378][ T4568]  ? sock_write_iter (net/socket.c:1269)
[  169.407379][ T4568]  ? move_addr_to_kernel (net/socket.c:258)
[  169.407381][ T4568]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  169.407384][ T4568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.407386][ T4568]  ___sys_sendmsg (net/socket.c:2767)
[  169.407387][ T4568]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  169.407389][ T4568]  ? copy_msghdr_from_user (net/socket.c:2619)
[  169.407391][ T4568]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  169.407395][ T4568]  __sys_sendmsg (net/socket.c:2799)
[  169.407397][ T4568]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  169.407400][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407401][ T4568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.407402][ T4568]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  169.407405][ T4568]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  169.407407][ T4568]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  169.407409][ T4568] RIP: 0033:0x7fa806d0354e
[  169.407411][ T4568] 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
[  169.407413][ T4568] RSP: 002b:00007ffdddd72650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  169.407417][ T4568] RAX: ffffffffffffffda RBX: 00007ffdddd72e18 RCX: 00007fa806d0354e
[  169.407418][ T4568] RDX: 0000000000000000 RSI: 00007ffdddd72700 RDI: 0000000000000005
[  169.407419][ T4568] RBP: 00007ffdddd72660 R08: 0000000000000000 R09: 0000000000000000
[  169.407420][ T4568] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e99b
[  169.407421][ T4568] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdddd72dd0
| [  170.824386][ T4638] softirqs last disabled at (0): 0x0
| [  170.824388][ T4638] Preemption disabled at:
| [  170.824388][ T4638] vprintk_emit (kernel/printk/printk.c:2471)
| [  170.824398][ T4638] Tainted: [W]=WARN
[  170.824399][ T4638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  170.824401][ T4638] Call Trace:
[  170.824402][ T4638]  <TASK>
[  170.824404][ T4638]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  170.824409][ T4638]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  170.824410][ T4638]  __might_resched.cold (kernel/sched/core.c:9234)
[  170.824414][ T4638]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  170.824417][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824420][ T4638]  __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))
[  170.824423][ T4638]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.824426][ T4638]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.824431][ T4638]  ? 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)
[  170.824432][ T4638]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.824435][ T4638]  put_chars (drivers/char/virtio_console.c:1176)
[  170.824437][ T4638]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  170.824438][ T4638]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  170.824440][ T4638]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  170.824442][ T4638]  ? pointer (lib/vsprintf.c:2577)
[  170.824446][ T4638]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  170.824450][ T4638]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  170.824452][ T4638]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.824454][ T4638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.824457][ T4638]  console_emit_next_record (kernel/printk/printk.c:3183)
[  170.824459][ T4638]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  170.824461][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824463][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824464][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824465][ T4638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.824467][ T4638]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  170.824469][ T4638]  console_flush_one_record (kernel/printk/printk.c:3268)
[  170.824472][ T4638]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  170.824474][ T4638]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  170.824476][ T4638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.824478][ T4638]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  170.824480][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824481][ T4638]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.824482][ T4638]  ? 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)
[  170.824484][ T4638]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  170.824485][ T4638]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  170.824487][ T4638]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  170.824489][ T4638]  vprintk_emit (kernel/printk/printk.c:2479)
[  170.824491][ T4638]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  170.824492][ T4638]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  170.824495][ T4638]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  170.824497][ T4638]  _printk (kernel/printk/printk.c:2504)
[  170.824500][ T4638]  ? snapshot_read.cold (user.c:?)
[  170.824502][ T4638]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  170.824504][ T4638]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  170.824507][ T4638]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  170.824509][ T4638]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  170.824512][ T4638]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  170.824515][ T4638]  ? netdev_notice (net/core/dev.c:13194)
[  170.824517][ T4638]  ? 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)
[  170.824519][ T4638]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  170.824521][ T4638]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.824523][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824524][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824525][ T4638]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  170.824528][ T4638]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  170.824530][ T4638]  ? 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)
[  170.824531][ T4638]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  170.824532][ T4638]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  170.824534][ T4638]  ? register_netdev (net/core/dev.c:11618)
[  170.824535][ T4638]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.824537][ T4638]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  170.824540][ T4638]  ? __kernel_text_address (kernel/extable.c:79)
[  170.824542][ T4638]  ? write_profile (profile.c:?)
[  170.824545][ T4638]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  170.824549][ T4638]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  170.824551][ T4638]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  170.824552][ T4638]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  170.824553][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824554][ T4638]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  170.824558][ T4638]  ? kasan_save_stack (mm/kasan/common.c:58)
[  170.824560][ T4638]  ? kasan_save_stack (mm/kasan/common.c:57)
[  170.824561][ T4638]  ? kasan_save_track (mm/kasan/common.c:78)
[  170.824562][ T4638]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  170.824563][ T4638]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  170.824565][ T4638]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  170.824566][ T4638]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  170.824567][ T4638]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  170.824570][ T4638]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  170.824572][ T4638]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  170.824573][ T4638]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  170.824575][ T4638]  ? ____sys_sendmsg (net/socket.c:2713)
[  170.824577][ T4638]  ? ___sys_sendmsg (net/socket.c:2767)
[  170.824579][ T4638]  ? __sys_sendmsg (net/socket.c:2799)
[  170.824580][ T4638]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  170.824582][ T4638]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.824585][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824586][ T4638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.824588][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824589][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824590][ T4638]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  170.824592][ T4638]  ? __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)
[  170.824593][ T4638]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  170.824594][ T4638]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  170.824596][ T4638]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  170.824597][ T4638]  ? nla_get_range_signed (lib/nlattr.c:270)
[  170.824600][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824601][ T4638]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  170.824603][ T4638]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  170.824605][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824607][ T4638]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  170.824608][ T4638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.824609][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824611][ T4638]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  170.824613][ T4638]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  170.824614][ T4638]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  170.824616][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824617][ T4638]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  170.824620][ T4638]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  170.824623][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824624][ T4638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.824626][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824627][ T4638]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  170.824628][ T4638]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  170.824630][ T4638]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  170.824631][ T4638]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  170.824633][ T4638]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  170.824635][ T4638]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  170.824637][ T4638]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  170.824638][ T4638]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.824640][ T4638]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  170.824642][ T4638]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  170.824645][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824648][ T4638]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.824651][ T4638]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  170.824653][ T4638]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  170.824655][ T4638]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.824657][ T4638]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  170.824659][ T4638]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  170.824660][ T4638]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  170.824662][ T4638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.824664][ T4638]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  170.824667][ T4638]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  170.824669][ T4638]  ____sys_sendmsg (net/socket.c:2713)
[  170.824671][ T4638]  ? copy_msghdr_from_user (net/socket.c:2650)
[  170.824672][ T4638]  ? sock_write_iter (net/socket.c:1269)
[  170.824674][ T4638]  ? move_addr_to_kernel (net/socket.c:258)
[  170.824676][ T4638]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  170.824678][ T4638]  ___sys_sendmsg (net/socket.c:2767)
[  170.824680][ T4638]  ? copy_msghdr_from_user (net/socket.c:2619)
[  170.824685][ T4638]  __sys_sendmsg (net/socket.c:2799)
[  170.824687][ T4638]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  170.824690][ T4638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.824691][ T4638]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  170.824693][ T4638]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  170.824695][ T4638]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.824697][ T4638] RIP: 0033:0x7f111ad4a54e
[  170.824699][ T4638] 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
[  170.824700][ T4638] RSP: 002b:00007ffe850aca40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  170.824704][ T4638] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f111ad4a54e
[  170.824705][ T4638] RDX: 0000000000000000 RSI: 00007ffe850acaf0 RDI: 0000000000000005
[  170.824706][ T4638] RBP: 00007ffe850aca50 R08: 0000000000000000 R09: 0000000000000000
[  170.824707][ T4638] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e99d
[  170.824708][ T4638] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe850ad1b0
| [  171.870825][ T4688] softirqs last disabled at (0): 0x0
| [  171.870826][ T4688] Preemption disabled at:
| [  171.870827][ T4688] vprintk_emit (kernel/printk/printk.c:2471)
| [  171.870837][ T4688] Tainted: [W]=WARN
[  171.870838][ T4688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  171.870839][ T4688] Call Trace:
[  171.870841][ T4688]  <TASK>
[  171.870842][ T4688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  171.870848][ T4688]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  171.870849][ T4688]  __might_resched.cold (kernel/sched/core.c:9234)
[  171.870853][ T4688]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  171.870855][ T4688]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  171.870859][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.870861][ T4688]  __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))
[  171.870864][ T4688]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.870867][ T4688]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.870872][ T4688]  ? 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)
[  171.870874][ T4688]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.870877][ T4688]  put_chars (drivers/char/virtio_console.c:1176)
[  171.870878][ T4688]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  171.870880][ T4688]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  171.870883][ T4688]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  171.870888][ T4688]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  171.870890][ T4688]  ? vsnprintf (lib/vsprintf.c:2900)
[  171.870893][ T4688]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.870894][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.870896][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.870897][ T4688]  console_emit_next_record (kernel/printk/printk.c:3183)
[  171.870900][ T4688]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  171.870902][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.870903][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.870904][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.870905][ T4688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.870908][ T4688]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  171.870910][ T4688]  console_flush_one_record (kernel/printk/printk.c:3268)
[  171.870912][ T4688]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  171.870915][ T4688]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  171.870917][ T4688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.870918][ T4688]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  171.870920][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.870921][ T4688]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.870923][ T4688]  ? 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)
[  171.870924][ T4688]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  171.870926][ T4688]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  171.870928][ T4688]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  171.870930][ T4688]  vprintk_emit (kernel/printk/printk.c:2479)
[  171.870931][ T4688]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  171.870933][ T4688]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.870934][ T4688]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.870937][ T4688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.870939][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.870940][ T4688]  _printk (kernel/printk/printk.c:2504)
[  171.870943][ T4688]  ? snapshot_read.cold (user.c:?)
[  171.870945][ T4688]  ? br_multicast_flood (??:?)
[  171.870948][ T4688]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  171.870951][ T4688]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  171.870952][ T4688]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  171.870954][ T4688]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  171.870957][ T4688]  br_init_port (net/bridge/br_stp_if.c:39)
[  171.870958][ T4688]  new_nbp (net/bridge/br_if.c:449)
[  171.870961][ T4688]  br_add_if (net/bridge/br_if.c:592)
[  171.870962][ T4688]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  171.870967][ T4688]  do_set_master (net/core/rtnetlink.c:3071)
[  171.870968][ T4688]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  171.870970][ T4688]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  171.870971][ T4688]  ? __dev_get_by_name (net/core/dev.c:905)
[  171.870973][ T4688]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  171.870977][ T4688]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  171.870980][ T4688]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  171.870982][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.870983][ T4688]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  171.870984][ T4688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.870986][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.870987][ T4688]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  171.870990][ T4688]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  171.870992][ T4688]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  171.870994][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.870995][ T4688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.870997][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.870998][ T4688]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  171.870999][ T4688]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  171.871001][ T4688]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.871003][ T4688]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.871004][ T4688]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  171.871008][ T4688]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  171.871011][ T4688]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.871012][ T4688]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.871014][ T4688]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  171.871016][ T4688]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  171.871018][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.871020][ T4688]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.871022][ T4688]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.871024][ T4688]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  171.871026][ T4688]  ? next_uptodate_folio (mm/filemap.c:3747)
[  171.871029][ T4688]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  171.871031][ T4688]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  171.871033][ T4688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.871034][ T4688]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  171.871038][ T4688]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  171.871040][ T4688]  ____sys_sendmsg (net/socket.c:2713)
[  171.871042][ T4688]  ? copy_msghdr_from_user (net/socket.c:2650)
[  171.871044][ T4688]  ? sock_write_iter (net/socket.c:1269)
[  171.871045][ T4688]  ? move_addr_to_kernel (net/socket.c:258)
[  171.871048][ T4688]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  171.871050][ T4688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.871052][ T4688]  ___sys_sendmsg (net/socket.c:2767)
[  171.871054][ T4688]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  171.871056][ T4688]  ? copy_msghdr_from_user (net/socket.c:2619)
[  171.871057][ T4688]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  171.871062][ T4688]  __sys_sendmsg (net/socket.c:2799)
[  171.871064][ T4688]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  171.871066][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.871068][ T4688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.871069][ T4688]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.871071][ T4688]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  171.871073][ T4688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.871076][ T4688] RIP: 0033:0x7f145486354e
[  171.871078][ T4688] 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
[  171.871079][ T4688] RSP: 002b:00007ffe4d5beee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  171.871083][ T4688] RAX: ffffffffffffffda RBX: 00007ffe4d5bf6a8 RCX: 00007f145486354e
[  171.871084][ T4688] RDX: 0000000000000000 RSI: 00007ffe4d5bef90 RDI: 0000000000000005
[  171.871085][ T4688] RBP: 00007ffe4d5beef0 R08: 0000000000000000 R09: 0000000000000000
[  171.871086][ T4688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e99e
[  171.871087][ T4688] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4d5bf660
| [  177.394965][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  177.394967][   T12] Preemption disabled at:
| [  177.394968][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  177.394978][   T12] Tainted: [W]=WARN
[  177.394979][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  177.394981][   T12] Workqueue: netns cleanup_net
[  177.394986][   T12] Call Trace:
[  177.394988][   T12]  <TASK>
[  177.394989][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  177.394995][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  177.394996][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  177.395000][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  177.395002][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  177.395006][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.395008][   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))
[  177.395011][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  177.395014][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  177.395018][   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)
[  177.395021][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  177.395023][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  177.395025][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  177.395027][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  177.395029][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  177.395034][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  177.395036][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  177.395039][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  177.395040][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.395042][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.395043][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  177.395046][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  177.395048][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.395049][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.395050][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.395051][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.395054][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  177.395056][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  177.395058][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  177.395061][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  177.395063][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.395064][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  177.395066][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.395067][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  177.395069][   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)
[  177.395070][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  177.395071][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  177.395073][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  177.395075][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  177.395077][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  177.395078][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  177.395079][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  177.395082][   T12]  ? kthread (kernel/kthread.c:436)
[  177.395084][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  177.395086][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  177.395089][   T12]  _printk (kernel/printk/printk.c:2504)
[  177.395092][   T12]  ? snapshot_read.cold (user.c:?)
[  177.395094][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  177.395097][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  177.395099][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  177.395102][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  177.395104][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.395105][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  177.395106][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  177.395109][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  177.395111][   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)
[  177.395112][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  177.395115][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  177.395117][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  177.395121][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  177.395124][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  177.395126][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  177.395128][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  177.395130][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  177.395133][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  177.395135][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  177.395137][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.395138][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.395142][   T12]  process_one_work (kernel/workqueue.c:3387)
[  177.395145][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  177.395147][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  177.395149][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  177.395152][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  177.395155][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  177.395157][   T12]  kthread (kernel/kthread.c:436)
[  177.395158][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  177.395160][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  177.395162][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  177.395163][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  177.395165][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  177.395168][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  177.395170][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  178.562213][ T4811] softirqs last disabled at (0): 0x0
| [  178.562214][ T4811] Preemption disabled at:
| [  178.562215][ T4811] vprintk_emit (kernel/printk/printk.c:2471)
| [  178.562225][ T4811] Tainted: [W]=WARN
[  178.562226][ T4811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.562228][ T4811] Call Trace:
[  178.562229][ T4811]  <TASK>
[  178.562231][ T4811]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  178.562236][ T4811]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  178.562237][ T4811]  __might_resched.cold (kernel/sched/core.c:9234)
[  178.562241][ T4811]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  178.562243][ T4811]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  178.562250][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562253][ T4811]  __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))
[  178.562256][ T4811]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.562259][ T4811]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.562264][ T4811]  ? 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)
[  178.562266][ T4811]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.562268][ T4811]  put_chars (drivers/char/virtio_console.c:1176)
[  178.562270][ T4811]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  178.562272][ T4811]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  178.562274][ T4811]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  178.562279][ T4811]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  178.562281][ T4811]  ? vsnprintf (lib/vsprintf.c:2900)
[  178.562284][ T4811]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.562286][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562287][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562289][ T4811]  console_emit_next_record (kernel/printk/printk.c:3183)
[  178.562291][ T4811]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  178.562293][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562294][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562295][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562296][ T4811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.562299][ T4811]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  178.562301][ T4811]  console_flush_one_record (kernel/printk/printk.c:3268)
[  178.562303][ T4811]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  178.562306][ T4811]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  178.562308][ T4811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.562309][ T4811]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  178.562311][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562312][ T4811]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.562314][ T4811]  ? 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)
[  178.562315][ T4811]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  178.562317][ T4811]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  178.562319][ T4811]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  178.562320][ T4811]  vprintk_emit (kernel/printk/printk.c:2479)
[  178.562322][ T4811]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  178.562323][ T4811]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.562325][ T4811]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  178.562328][ T4811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.562329][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562331][ T4811]  _printk (kernel/printk/printk.c:2504)
[  178.562334][ T4811]  ? snapshot_read.cold (user.c:?)
[  178.562336][ T4811]  ? br_multicast_flood (??:?)
[  178.562339][ T4811]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  178.562341][ T4811]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  178.562343][ T4811]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  178.562344][ T4811]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  178.562347][ T4811]  br_init_port (net/bridge/br_stp_if.c:39)
[  178.562349][ T4811]  new_nbp (net/bridge/br_if.c:449)
[  178.562351][ T4811]  br_add_if (net/bridge/br_if.c:592)
[  178.562353][ T4811]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  178.562357][ T4811]  do_set_master (net/core/rtnetlink.c:3071)
[  178.562359][ T4811]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  178.562361][ T4811]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  178.562362][ T4811]  ? __dev_get_by_name (net/core/dev.c:905)
[  178.562364][ T4811]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  178.562368][ T4811]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  178.562370][ T4811]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  178.562372][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562374][ T4811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  178.562375][ T4811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.562376][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562378][ T4811]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  178.562381][ T4811]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  178.562382][ T4811]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  178.562385][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562386][ T4811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.562387][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562389][ T4811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  178.562390][ T4811]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  178.562392][ T4811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  178.562393][ T4811]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  178.562395][ T4811]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  178.562399][ T4811]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  178.562402][ T4811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  178.562403][ T4811]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.562405][ T4811]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  178.562407][ T4811]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  178.562410][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562411][ T4811]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.562413][ T4811]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  178.562415][ T4811]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  178.562417][ T4811]  ? next_uptodate_folio (mm/filemap.c:3747)
[  178.562420][ T4811]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  178.562422][ T4811]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  178.562424][ T4811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.562426][ T4811]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  178.562429][ T4811]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  178.562432][ T4811]  ____sys_sendmsg (net/socket.c:2713)
[  178.562434][ T4811]  ? copy_msghdr_from_user (net/socket.c:2650)
[  178.562436][ T4811]  ? sock_write_iter (net/socket.c:1269)
[  178.562437][ T4811]  ? move_addr_to_kernel (net/socket.c:258)
[  178.562439][ T4811]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  178.562442][ T4811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.562444][ T4811]  ___sys_sendmsg (net/socket.c:2767)
[  178.562445][ T4811]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  178.562447][ T4811]  ? copy_msghdr_from_user (net/socket.c:2619)
[  178.562449][ T4811]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  178.562453][ T4811]  __sys_sendmsg (net/socket.c:2799)
[  178.562455][ T4811]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  178.562458][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562459][ T4811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.562460][ T4811]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  178.562463][ T4811]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  178.562465][ T4811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  178.562467][ T4811] RIP: 0033:0x7f6eec22a54e
[  178.562469][ T4811] 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
[  178.562471][ T4811] RSP: 002b:00007ffc06fb0210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  178.562474][ T4811] RAX: ffffffffffffffda RBX: 00007ffc06fb09d8 RCX: 00007f6eec22a54e
[  178.562476][ T4811] RDX: 0000000000000000 RSI: 00007ffc06fb02c0 RDI: 0000000000000005
[  178.562477][ T4811] RBP: 00007ffc06fb0220 R08: 0000000000000000 R09: 0000000000000000
[  178.562477][ T4811] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9a4
[  178.562478][ T4811] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc06fb0990
| [  179.832614][ T4880] softirqs last disabled at (0): 0x0
| [  179.832615][ T4880] Preemption disabled at:
| [  179.832616][ T4880] vprintk_emit (kernel/printk/printk.c:2471)
| [  179.832625][ T4880] Tainted: [W]=WARN
[  179.832626][ T4880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  179.832628][ T4880] Call Trace:
[  179.832629][ T4880]  <TASK>
[  179.832631][ T4880]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  179.832636][ T4880]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  179.832638][ T4880]  __might_resched.cold (kernel/sched/core.c:9234)
[  179.832642][ T4880]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  179.832648][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832651][ T4880]  __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))
[  179.832654][ T4880]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  179.832656][ T4880]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  179.832661][ T4880]  ? 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)
[  179.832663][ T4880]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  179.832665][ T4880]  put_chars (drivers/char/virtio_console.c:1176)
[  179.832667][ T4880]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  179.832668][ T4880]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  179.832671][ T4880]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  179.832673][ T4880]  ? pointer (lib/vsprintf.c:2577)
[  179.832677][ T4880]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  179.832681][ T4880]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  179.832683][ T4880]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  179.832685][ T4880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.832687][ T4880]  console_emit_next_record (kernel/printk/printk.c:3183)
[  179.832690][ T4880]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  179.832692][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832693][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832694][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832695][ T4880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.832697][ T4880]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  179.832699][ T4880]  console_flush_one_record (kernel/printk/printk.c:3268)
[  179.832701][ T4880]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  179.832704][ T4880]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  179.832706][ T4880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.832708][ T4880]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  179.832709][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832710][ T4880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  179.832712][ T4880]  ? 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)
[  179.832713][ T4880]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  179.832715][ T4880]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  179.832717][ T4880]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  179.832718][ T4880]  vprintk_emit (kernel/printk/printk.c:2479)
[  179.832720][ T4880]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  179.832721][ T4880]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  179.832724][ T4880]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  179.832727][ T4880]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  179.832729][ T4880]  _printk (kernel/printk/printk.c:2504)
[  179.832732][ T4880]  ? snapshot_read.cold (user.c:?)
[  179.832734][ T4880]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  179.832737][ T4880]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  179.832740][ T4880]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  179.832742][ T4880]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  179.832745][ T4880]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  179.832747][ T4880]  ? netdev_notice (net/core/dev.c:13194)
[  179.832749][ T4880]  ? 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)
[  179.832751][ T4880]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  179.832753][ T4880]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  179.832755][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832756][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832757][ T4880]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  179.832758][ T4880]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  179.832760][ T4880]  ? 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)
[  179.832761][ T4880]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  179.832763][ T4880]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  179.832764][ T4880]  ? register_netdev (net/core/dev.c:11618)
[  179.832765][ T4880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  179.832767][ T4880]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  179.832770][ T4880]  ? __kernel_text_address (kernel/extable.c:79)
[  179.832772][ T4880]  ? write_profile (profile.c:?)
[  179.832775][ T4880]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  179.832779][ T4880]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  179.832780][ T4880]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  179.832782][ T4880]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  179.832783][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832784][ T4880]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  179.832788][ T4880]  ? kasan_save_stack (mm/kasan/common.c:58)
[  179.832790][ T4880]  ? kasan_save_stack (mm/kasan/common.c:57)
[  179.832791][ T4880]  ? kasan_save_track (mm/kasan/common.c:78)
[  179.832792][ T4880]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  179.832793][ T4880]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  179.832794][ T4880]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  179.832795][ T4880]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  179.832797][ T4880]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  179.832799][ T4880]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  179.832801][ T4880]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  179.832803][ T4880]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  179.832805][ T4880]  ? ____sys_sendmsg (net/socket.c:2713)
[  179.832806][ T4880]  ? ___sys_sendmsg (net/socket.c:2767)
[  179.832808][ T4880]  ? __sys_sendmsg (net/socket.c:2799)
[  179.832810][ T4880]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  179.832812][ T4880]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  179.832814][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832815][ T4880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.832817][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832818][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832819][ T4880]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  179.832820][ T4880]  ? __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)
[  179.832822][ T4880]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  179.832823][ T4880]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  179.832824][ T4880]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  179.832826][ T4880]  ? nla_get_range_signed (lib/nlattr.c:270)
[  179.832829][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832830][ T4880]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  179.832832][ T4880]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  179.832834][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832835][ T4880]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  179.832836][ T4880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.832838][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832839][ T4880]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  179.832841][ T4880]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  179.832843][ T4880]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  179.832844][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832845][ T4880]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  179.832848][ T4880]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  179.832851][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832852][ T4880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.832853][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832855][ T4880]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  179.832856][ T4880]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  179.832858][ T4880]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  179.832859][ T4880]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  179.832860][ T4880]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  179.832863][ T4880]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  179.832864][ T4880]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  179.832866][ T4880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  179.832867][ T4880]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  179.832869][ T4880]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  179.832872][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832874][ T4880]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  179.832876][ T4880]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  179.832878][ T4880]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  179.832880][ T4880]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  179.832881][ T4880]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  179.832884][ T4880]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  179.832885][ T4880]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  179.832887][ T4880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.832888][ T4880]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  179.832892][ T4880]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  179.832894][ T4880]  ____sys_sendmsg (net/socket.c:2713)
[  179.832895][ T4880]  ? copy_msghdr_from_user (net/socket.c:2650)
[  179.832897][ T4880]  ? sock_write_iter (net/socket.c:1269)
[  179.832898][ T4880]  ? move_addr_to_kernel (net/socket.c:258)
[  179.832900][ T4880]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  179.832902][ T4880]  ___sys_sendmsg (net/socket.c:2767)
[  179.832904][ T4880]  ? copy_msghdr_from_user (net/socket.c:2619)
[  179.832909][ T4880]  __sys_sendmsg (net/socket.c:2799)
[  179.832911][ T4880]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  179.832914][ T4880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.832915][ T4880]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  179.832917][ T4880]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  179.832919][ T4880]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  179.832921][ T4880] RIP: 0033:0x7f1d016b854e
[  179.832923][ T4880] 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
[  179.832924][ T4880] RSP: 002b:00007fffaadb6460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  179.832928][ T4880] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1d016b854e
[  179.832929][ T4880] RDX: 0000000000000000 RSI: 00007fffaadb6510 RDI: 0000000000000005
[  179.832930][ T4880] RBP: 00007fffaadb6470 R08: 0000000000000000 R09: 0000000000000000
[  179.832931][ T4880] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9a6
[  179.832932][ T4880] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffaadb6bd0
| [  180.889658][ T4937] softirqs last disabled at (0): 0x0
| [  180.889660][ T4937] Preemption disabled at:
| [  180.889661][ T4937] vprintk_emit (kernel/printk/printk.c:2471)
| [  180.889671][ T4937] Tainted: [W]=WARN
[  180.889672][ T4937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  180.889674][ T4937] Call Trace:
[  180.889675][ T4937]  <TASK>
[  180.889676][ T4937]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  180.889682][ T4937]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  180.889683][ T4937]  __might_resched.cold (kernel/sched/core.c:9234)
[  180.889687][ T4937]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  180.889689][ T4937]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  180.889692][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889695][ T4937]  __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))
[  180.889698][ T4937]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  180.889701][ T4937]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  180.889706][ T4937]  ? 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)
[  180.889708][ T4937]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  180.889710][ T4937]  put_chars (drivers/char/virtio_console.c:1176)
[  180.889712][ T4937]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  180.889714][ T4937]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  180.889717][ T4937]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  180.889721][ T4937]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  180.889723][ T4937]  ? vsnprintf (lib/vsprintf.c:2900)
[  180.889727][ T4937]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  180.889728][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889729][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889731][ T4937]  console_emit_next_record (kernel/printk/printk.c:3183)
[  180.889734][ T4937]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  180.889736][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889737][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889738][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889739][ T4937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.889742][ T4937]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  180.889744][ T4937]  console_flush_one_record (kernel/printk/printk.c:3268)
[  180.889746][ T4937]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  180.889749][ T4937]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  180.889751][ T4937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.889752][ T4937]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  180.889754][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889755][ T4937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  180.889757][ T4937]  ? 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)
[  180.889758][ T4937]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  180.889760][ T4937]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  180.889762][ T4937]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  180.889763][ T4937]  vprintk_emit (kernel/printk/printk.c:2479)
[  180.889765][ T4937]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  180.889766][ T4937]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  180.889768][ T4937]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  180.889771][ T4937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.889772][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889774][ T4937]  _printk (kernel/printk/printk.c:2504)
[  180.889777][ T4937]  ? snapshot_read.cold (user.c:?)
[  180.889779][ T4937]  ? br_multicast_flood (??:?)
[  180.889782][ T4937]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  180.889785][ T4937]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  180.889786][ T4937]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  180.889788][ T4937]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  180.889791][ T4937]  br_init_port (net/bridge/br_stp_if.c:39)
[  180.889792][ T4937]  new_nbp (net/bridge/br_if.c:449)
[  180.889795][ T4937]  br_add_if (net/bridge/br_if.c:592)
[  180.889796][ T4937]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  180.889801][ T4937]  do_set_master (net/core/rtnetlink.c:3071)
[  180.889802][ T4937]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  180.889804][ T4937]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  180.889805][ T4937]  ? __dev_get_by_name (net/core/dev.c:905)
[  180.889807][ T4937]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  180.889811][ T4937]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  180.889814][ T4937]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  180.889816][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889817][ T4937]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  180.889818][ T4937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.889820][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889821][ T4937]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  180.889824][ T4937]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  180.889826][ T4937]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  180.889828][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889829][ T4937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.889831][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889832][ T4937]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  180.889834][ T4937]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  180.889835][ T4937]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  180.889837][ T4937]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  180.889838][ T4937]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  180.889842][ T4937]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  180.889845][ T4937]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  180.889846][ T4937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  180.889848][ T4937]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  180.889850][ T4937]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  180.889852][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889854][ T4937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  180.889856][ T4937]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  180.889858][ T4937]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  180.889860][ T4937]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  180.889863][ T4937]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  180.889866][ T4937]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  180.889868][ T4937]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  180.889870][ T4937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.889871][ T4937]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  180.889875][ T4937]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  180.889878][ T4937]  ____sys_sendmsg (net/socket.c:2713)
[  180.889880][ T4937]  ? copy_msghdr_from_user (net/socket.c:2650)
[  180.889882][ T4937]  ? sock_write_iter (net/socket.c:1269)
[  180.889883][ T4937]  ? move_addr_to_kernel (net/socket.c:258)
[  180.889885][ T4937]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  180.889888][ T4937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.889890][ T4937]  ___sys_sendmsg (net/socket.c:2767)
[  180.889891][ T4937]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  180.889893][ T4937]  ? copy_msghdr_from_user (net/socket.c:2619)
[  180.889895][ T4937]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  180.889899][ T4937]  __sys_sendmsg (net/socket.c:2799)
[  180.889901][ T4937]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  180.889904][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889905][ T4937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.889906][ T4937]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  180.889909][ T4937]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  180.889911][ T4937]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  180.889913][ T4937] RIP: 0033:0x7f835c2c454e
[  180.889915][ T4937] 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
[  180.889917][ T4937] RSP: 002b:00007ffcf2c5e040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  180.889920][ T4937] RAX: ffffffffffffffda RBX: 00007ffcf2c5e808 RCX: 00007f835c2c454e
[  180.889922][ T4937] RDX: 0000000000000000 RSI: 00007ffcf2c5e0f0 RDI: 0000000000000005
[  180.889923][ T4937] RBP: 00007ffcf2c5e050 R08: 0000000000000000 R09: 0000000000000000
[  180.889923][ T4937] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9a7
[  180.889924][ T4937] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf2c5e7c0
| [  186.407944][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  186.407947][   T12] Preemption disabled at:
| [  186.407948][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  186.407957][   T12] Tainted: [W]=WARN
[  186.407958][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  186.407961][   T12] Workqueue: netns cleanup_net
[  186.407967][   T12] Call Trace:
[  186.407968][   T12]  <TASK>
[  186.407970][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  186.407975][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  186.407977][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  186.407981][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  186.407983][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  186.407986][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.407989][   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))
[  186.407992][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  186.407995][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.407999][   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)
[  186.408001][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.408003][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  186.408005][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  186.408007][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  186.408009][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  186.408014][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  186.408016][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  186.408018][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  186.408020][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.408021][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.408023][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  186.408026][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  186.408028][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.408029][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.408030][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.408031][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.408033][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  186.408035][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  186.408037][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  186.408040][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  186.408042][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.408043][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  186.408046][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.408047][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  186.408049][   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)
[  186.408050][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  186.408052][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  186.408054][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  186.408055][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  186.408057][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  186.408058][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  186.408060][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  186.408062][   T12]  ? kthread (kernel/kthread.c:436)
[  186.408064][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  186.408067][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  186.408070][   T12]  _printk (kernel/printk/printk.c:2504)
[  186.408072][   T12]  ? snapshot_read.cold (user.c:?)
[  186.408075][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  186.408078][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  186.408080][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  186.408082][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  186.408084][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.408086][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  186.408087][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  186.408090][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  186.408091][   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)
[  186.408093][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  186.408095][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  186.408098][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  186.408102][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  186.408104][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  186.408106][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  186.408108][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  186.408110][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  186.408113][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  186.408115][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  186.408117][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.408118][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.408120][   T12]  process_one_work (kernel/workqueue.c:3387)
[  186.408123][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  186.408125][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  186.408127][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  186.408129][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  186.408132][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  186.408134][   T12]  kthread (kernel/kthread.c:436)
[  186.408136][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  186.408137][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  186.408139][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  186.408141][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  186.408143][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  186.408146][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  186.408148][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  187.544756][ T5062] softirqs last disabled at (0): 0x0
| [  187.544758][ T5062] Preemption disabled at:
| [  187.544759][ T5062] vprintk_emit (kernel/printk/printk.c:2471)
| [  187.544768][ T5062] Tainted: [W]=WARN
[  187.544769][ T5062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  187.544771][ T5062] Call Trace:
[  187.544773][ T5062]  <TASK>
[  187.544774][ T5062]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  187.544779][ T5062]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  187.544780][ T5062]  __might_resched.cold (kernel/sched/core.c:9234)
[  187.544784][ T5062]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  187.544786][ T5062]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  187.544789][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544792][ 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))
[  187.544795][ T5062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  187.544797][ T5062]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  187.544802][ 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)
[  187.544804][ T5062]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  187.544807][ T5062]  put_chars (drivers/char/virtio_console.c:1176)
[  187.544808][ T5062]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  187.544810][ T5062]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  187.544813][ T5062]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  187.544817][ T5062]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  187.544819][ T5062]  ? vsnprintf (lib/vsprintf.c:2900)
[  187.544822][ T5062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  187.544824][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544825][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544827][ T5062]  console_emit_next_record (kernel/printk/printk.c:3183)
[  187.544829][ T5062]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  187.544831][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544833][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544834][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544835][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.544837][ T5062]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  187.544839][ T5062]  console_flush_one_record (kernel/printk/printk.c:3268)
[  187.544842][ T5062]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  187.544845][ T5062]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  187.544846][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.544848][ T5062]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  187.544850][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544851][ T5062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  187.544852][ 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)
[  187.544854][ T5062]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  187.544855][ T5062]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  187.544857][ T5062]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  187.544859][ T5062]  vprintk_emit (kernel/printk/printk.c:2479)
[  187.544861][ T5062]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  187.544862][ T5062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  187.544864][ T5062]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  187.544867][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.544868][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544870][ T5062]  _printk (kernel/printk/printk.c:2504)
[  187.544873][ T5062]  ? snapshot_read.cold (user.c:?)
[  187.544875][ T5062]  ? br_multicast_flood (??:?)
[  187.544878][ T5062]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  187.544881][ T5062]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  187.544882][ T5062]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  187.544884][ T5062]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  187.544887][ T5062]  br_init_port (net/bridge/br_stp_if.c:39)
[  187.544889][ T5062]  new_nbp (net/bridge/br_if.c:449)
[  187.544891][ T5062]  br_add_if (net/bridge/br_if.c:592)
[  187.544893][ T5062]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  187.544897][ T5062]  do_set_master (net/core/rtnetlink.c:3071)
[  187.544899][ T5062]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  187.544901][ T5062]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  187.544902][ T5062]  ? __dev_get_by_name (net/core/dev.c:905)
[  187.544904][ T5062]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  187.544908][ T5062]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  187.544910][ T5062]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  187.544912][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544914][ T5062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  187.544915][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.544917][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544918][ T5062]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  187.544921][ T5062]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  187.544923][ T5062]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  187.544925][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544926][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.544928][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544929][ T5062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  187.544930][ T5062]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  187.544932][ T5062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  187.544933][ T5062]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  187.544935][ T5062]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  187.544939][ T5062]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  187.544942][ T5062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  187.544943][ T5062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  187.544945][ T5062]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  187.544946][ T5062]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  187.544949][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544950][ T5062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  187.544953][ T5062]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  187.544955][ T5062]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  187.544957][ T5062]  ? next_uptodate_folio (mm/filemap.c:3747)
[  187.544960][ T5062]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  187.544962][ T5062]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  187.544964][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.544965][ T5062]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  187.544969][ T5062]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  187.544972][ T5062]  ____sys_sendmsg (net/socket.c:2713)
[  187.544973][ T5062]  ? copy_msghdr_from_user (net/socket.c:2650)
[  187.544975][ T5062]  ? sock_write_iter (net/socket.c:1269)
[  187.544977][ T5062]  ? move_addr_to_kernel (net/socket.c:258)
[  187.544979][ T5062]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  187.544981][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.544983][ T5062]  ___sys_sendmsg (net/socket.c:2767)
[  187.544985][ T5062]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  187.544987][ T5062]  ? copy_msghdr_from_user (net/socket.c:2619)
[  187.544989][ T5062]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  187.544993][ T5062]  __sys_sendmsg (net/socket.c:2799)
[  187.544995][ T5062]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  187.544998][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.544999][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.545000][ T5062]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  187.545003][ T5062]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  187.545005][ T5062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  187.545007][ T5062] RIP: 0033:0x7f9e0e9ab54e
[  187.545009][ 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
[  187.545011][ T5062] RSP: 002b:00007fffe19dbd40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  187.545014][ T5062] RAX: ffffffffffffffda RBX: 00007fffe19dc508 RCX: 00007f9e0e9ab54e
[  187.545016][ T5062] RDX: 0000000000000000 RSI: 00007fffe19dbdf0 RDI: 0000000000000005
[  187.545017][ T5062] RBP: 00007fffe19dbd50 R08: 0000000000000000 R09: 0000000000000000
[  187.545018][ T5062] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9ad
[  187.545019][ T5062] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe19dc4c0
| [  188.838457][ T5131] softirqs last disabled at (0): 0x0
| [  188.838459][ T5131] Preemption disabled at:
| [  188.838460][ T5131] vprintk_emit (kernel/printk/printk.c:2471)
| [  188.838470][ T5131] Tainted: [W]=WARN
[  188.838471][ T5131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  188.838472][ T5131] Call Trace:
[  188.838474][ T5131]  <TASK>
[  188.838476][ T5131]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  188.838481][ T5131]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  188.838482][ T5131]  __might_resched.cold (kernel/sched/core.c:9234)
[  188.838487][ T5131]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  188.838490][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838493][ T5131]  __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))
[  188.838496][ T5131]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.838498][ T5131]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.838503][ T5131]  ? 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)
[  188.838505][ T5131]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.838508][ T5131]  put_chars (drivers/char/virtio_console.c:1176)
[  188.838509][ T5131]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  188.838510][ T5131]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  188.838513][ T5131]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  188.838515][ T5131]  ? pointer (lib/vsprintf.c:2577)
[  188.838519][ T5131]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  188.838523][ T5131]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  188.838525][ T5131]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.838527][ T5131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.838530][ T5131]  console_emit_next_record (kernel/printk/printk.c:3183)
[  188.838532][ T5131]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  188.838534][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838536][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838537][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838538][ T5131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.838540][ T5131]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  188.838542][ T5131]  console_flush_one_record (kernel/printk/printk.c:3268)
[  188.838544][ T5131]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  188.838547][ T5131]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  188.838549][ T5131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.838550][ T5131]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  188.838552][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838553][ T5131]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.838555][ T5131]  ? 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)
[  188.838557][ T5131]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  188.838558][ T5131]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  188.838560][ T5131]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  188.838562][ T5131]  vprintk_emit (kernel/printk/printk.c:2479)
[  188.838563][ T5131]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  188.838565][ T5131]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  188.838567][ T5131]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  188.838571][ T5131]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  188.838573][ T5131]  _printk (kernel/printk/printk.c:2504)
[  188.838576][ T5131]  ? snapshot_read.cold (user.c:?)
[  188.838578][ T5131]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  188.838580][ T5131]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  188.838584][ T5131]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  188.838586][ T5131]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  188.838589][ T5131]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  188.838591][ T5131]  ? netdev_notice (net/core/dev.c:13194)
[  188.838593][ T5131]  ? 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)
[  188.838595][ T5131]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  188.838598][ T5131]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.838599][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838600][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838602][ T5131]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  188.838603][ T5131]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  188.838605][ T5131]  ? 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)
[  188.838606][ T5131]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  188.838607][ T5131]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  188.838609][ T5131]  ? register_netdev (net/core/dev.c:11618)
[  188.838611][ T5131]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.838613][ T5131]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  188.838615][ T5131]  ? __kernel_text_address (kernel/extable.c:79)
[  188.838618][ T5131]  ? write_profile (profile.c:?)
[  188.838621][ T5131]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  188.838624][ T5131]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  188.838626][ T5131]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  188.838627][ T5131]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  188.838629][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838630][ T5131]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  188.838633][ T5131]  ? kasan_save_stack (mm/kasan/common.c:58)
[  188.838635][ T5131]  ? kasan_save_stack (mm/kasan/common.c:57)
[  188.838636][ T5131]  ? kasan_save_track (mm/kasan/common.c:78)
[  188.838638][ T5131]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  188.838639][ T5131]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  188.838640][ T5131]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  188.838641][ T5131]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  188.838642][ T5131]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  188.838648][ T5131]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  188.838650][ T5131]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  188.838651][ T5131]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  188.838654][ T5131]  ? ____sys_sendmsg (net/socket.c:2713)
[  188.838655][ T5131]  ? ___sys_sendmsg (net/socket.c:2767)
[  188.838657][ T5131]  ? __sys_sendmsg (net/socket.c:2799)
[  188.838659][ T5131]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  188.838661][ T5131]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  188.838664][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838665][ T5131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.838666][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838667][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838668][ T5131]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  188.838670][ T5131]  ? __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)
[  188.838671][ T5131]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  188.838672][ T5131]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  188.838674][ T5131]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  188.838675][ T5131]  ? nla_get_range_signed (lib/nlattr.c:270)
[  188.838678][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838679][ T5131]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  188.838682][ T5131]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  188.838684][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838685][ T5131]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  188.838686][ T5131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.838688][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838689][ T5131]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  188.838692][ T5131]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  188.838693][ T5131]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  188.838694][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838696][ T5131]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  188.838699][ T5131]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  188.838701][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838702][ T5131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.838704][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838705][ T5131]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  188.838707][ T5131]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  188.838708][ T5131]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  188.838710][ T5131]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  188.838711][ T5131]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  188.838714][ T5131]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  188.838716][ T5131]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  188.838717][ T5131]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.838719][ T5131]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  188.838720][ T5131]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  188.838724][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838725][ T5131]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.838727][ T5131]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  188.838729][ T5131]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  188.838731][ T5131]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  188.838733][ T5131]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  188.838735][ T5131]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  188.838737][ T5131]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  188.838738][ T5131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.838740][ T5131]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  188.838743][ T5131]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  188.838745][ T5131]  ____sys_sendmsg (net/socket.c:2713)
[  188.838747][ T5131]  ? copy_msghdr_from_user (net/socket.c:2650)
[  188.838749][ T5131]  ? sock_write_iter (net/socket.c:1269)
[  188.838750][ T5131]  ? move_addr_to_kernel (net/socket.c:258)
[  188.838752][ T5131]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  188.838754][ T5131]  ___sys_sendmsg (net/socket.c:2767)
[  188.838756][ T5131]  ? copy_msghdr_from_user (net/socket.c:2619)
[  188.838761][ T5131]  __sys_sendmsg (net/socket.c:2799)
[  188.838763][ T5131]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  188.838766][ T5131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.838767][ T5131]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  188.838769][ T5131]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  188.838771][ T5131]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  188.838773][ T5131] RIP: 0033:0x7faefe86a54e
[  188.838775][ T5131] 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
[  188.838776][ T5131] RSP: 002b:00007ffd18206940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  188.838780][ T5131] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007faefe86a54e
[  188.838782][ T5131] RDX: 0000000000000000 RSI: 00007ffd182069f0 RDI: 0000000000000005
[  188.838783][ T5131] RBP: 00007ffd18206950 R08: 0000000000000000 R09: 0000000000000000
[  188.838783][ T5131] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9af
[  188.838784][ T5131] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd182070b0
| [  189.887712][ T5181] softirqs last disabled at (0): 0x0
| [  189.887714][ T5181] Preemption disabled at:
| [  189.887715][ T5181] vprintk_emit (kernel/printk/printk.c:2471)
| [  189.887724][ T5181] Tainted: [W]=WARN
[  189.887725][ T5181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  189.887727][ T5181] Call Trace:
[  189.887729][ T5181]  <TASK>
[  189.887730][ T5181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  189.887736][ T5181]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  189.887737][ T5181]  __might_resched.cold (kernel/sched/core.c:9234)
[  189.887741][ T5181]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  189.887743][ T5181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  189.887747][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887750][ T5181]  __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))
[  189.887753][ T5181]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  189.887756][ T5181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.887760][ T5181]  ? 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)
[  189.887762][ T5181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.887765][ T5181]  put_chars (drivers/char/virtio_console.c:1176)
[  189.887767][ T5181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  189.887768][ T5181]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  189.887771][ T5181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  189.887775][ T5181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  189.887777][ T5181]  ? vsnprintf (lib/vsprintf.c:2900)
[  189.887780][ T5181]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  189.887782][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887783][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887785][ T5181]  console_emit_next_record (kernel/printk/printk.c:3183)
[  189.887788][ T5181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  189.887790][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887791][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887792][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887793][ T5181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.887796][ T5181]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  189.887797][ T5181]  console_flush_one_record (kernel/printk/printk.c:3268)
[  189.887800][ T5181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  189.887802][ T5181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  189.887804][ T5181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.887806][ T5181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  189.887808][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887809][ T5181]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  189.887810][ T5181]  ? 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)
[  189.887812][ T5181]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  189.887813][ T5181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  189.887815][ T5181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  189.887817][ T5181]  vprintk_emit (kernel/printk/printk.c:2479)
[  189.887819][ T5181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  189.887820][ T5181]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  189.887822][ T5181]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  189.887824][ T5181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.887826][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887828][ T5181]  _printk (kernel/printk/printk.c:2504)
[  189.887830][ T5181]  ? snapshot_read.cold (user.c:?)
[  189.887832][ T5181]  ? br_multicast_flood (??:?)
[  189.887836][ T5181]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  189.887838][ T5181]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  189.887840][ T5181]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  189.887841][ T5181]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  189.887844][ T5181]  br_init_port (net/bridge/br_stp_if.c:39)
[  189.887846][ T5181]  new_nbp (net/bridge/br_if.c:449)
[  189.887848][ T5181]  br_add_if (net/bridge/br_if.c:592)
[  189.887850][ T5181]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  189.887854][ T5181]  do_set_master (net/core/rtnetlink.c:3071)
[  189.887856][ T5181]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  189.887858][ T5181]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  189.887859][ T5181]  ? __dev_get_by_name (net/core/dev.c:905)
[  189.887861][ T5181]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  189.887865][ T5181]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  189.887867][ T5181]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  189.887869][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887871][ T5181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  189.887872][ T5181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.887873][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887875][ T5181]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  189.887877][ T5181]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  189.887879][ T5181]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  189.887881][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887883][ T5181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.887884][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887885][ T5181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  189.887887][ T5181]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  189.887889][ T5181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  189.887890][ T5181]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  189.887892][ T5181]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  189.887895][ T5181]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  189.887898][ T5181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  189.887900][ T5181]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  189.887901][ T5181]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  189.887903][ T5181]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  189.887906][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887907][ T5181]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  189.887909][ T5181]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  189.887911][ T5181]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  189.887914][ T5181]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  189.887916][ T5181]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  189.887919][ T5181]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  189.887921][ T5181]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  189.887923][ T5181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.887925][ T5181]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  189.887928][ T5181]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  189.887931][ T5181]  ____sys_sendmsg (net/socket.c:2713)
[  189.887933][ T5181]  ? copy_msghdr_from_user (net/socket.c:2650)
[  189.887934][ T5181]  ? sock_write_iter (net/socket.c:1269)
[  189.887936][ T5181]  ? move_addr_to_kernel (net/socket.c:258)
[  189.887938][ T5181]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  189.887941][ T5181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.887943][ T5181]  ___sys_sendmsg (net/socket.c:2767)
[  189.887944][ T5181]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  189.887946][ T5181]  ? copy_msghdr_from_user (net/socket.c:2619)
[  189.887948][ T5181]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  189.887952][ T5181]  __sys_sendmsg (net/socket.c:2799)
[  189.887954][ T5181]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  189.887957][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887958][ T5181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.887959][ T5181]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  189.887962][ T5181]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  189.887964][ T5181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  189.887966][ T5181] RIP: 0033:0x7f415e86454e
[  189.887968][ T5181] 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
[  189.887970][ T5181] RSP: 002b:00007ffc1a32c6b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  189.887973][ T5181] RAX: ffffffffffffffda RBX: 00007ffc1a32ce78 RCX: 00007f415e86454e
[  189.887975][ T5181] RDX: 0000000000000000 RSI: 00007ffc1a32c760 RDI: 0000000000000005
[  189.887976][ T5181] RBP: 00007ffc1a32c6c0 R08: 0000000000000000 R09: 0000000000000000
[  189.887977][ T5181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9b0
[  189.887978][ T5181] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1a32ce30
| [  195.424864][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  195.424867][   T12] Preemption disabled at:
| [  195.424867][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  195.424877][   T12] Tainted: [W]=WARN
[  195.424878][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  195.424880][   T12] Workqueue: netns cleanup_net
[  195.424886][   T12] Call Trace:
[  195.424887][   T12]  <TASK>
[  195.424888][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  195.424894][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  195.424896][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  195.424899][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  195.424902][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  195.424905][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.424907][   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))
[  195.424910][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.424913][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  195.424918][   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)
[  195.424920][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  195.424922][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  195.424924][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  195.424926][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  195.424928][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  195.424933][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  195.424935][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  195.424937][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.424938][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.424939][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.424941][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  195.424944][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  195.424946][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.424947][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.424948][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.424949][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.424952][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  195.424953][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  195.424956][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  195.424959][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  195.424961][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.424962][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  195.424964][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.424965][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.424966][   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)
[  195.424968][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  195.424969][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  195.424972][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  195.424973][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  195.424975][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  195.424976][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  195.424977][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  195.424980][   T12]  ? kthread (kernel/kthread.c:436)
[  195.424982][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  195.424985][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  195.424987][   T12]  _printk (kernel/printk/printk.c:2504)
[  195.424990][   T12]  ? snapshot_read.cold (user.c:?)
[  195.424993][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  195.424996][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  195.424998][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  195.425001][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  195.425003][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.425004][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  195.425005][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  195.425008][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  195.425010][   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)
[  195.425011][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  195.425013][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  195.425016][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  195.425020][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  195.425022][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  195.425025][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  195.425027][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  195.425029][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  195.425031][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  195.425033][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  195.425035][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.425037][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.425039][   T12]  process_one_work (kernel/workqueue.c:3387)
[  195.425042][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  195.425044][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  195.425046][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.425049][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  195.425052][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  195.425054][   T12]  kthread (kernel/kthread.c:436)
[  195.425055][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  195.425057][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  195.425059][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  195.425061][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  195.425063][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  195.425065][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  195.425067][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  196.608983][ T5305] softirqs last disabled at (0): 0x0
| [  196.608985][ T5305] Preemption disabled at:
| [  196.608986][ T5305] vprintk_emit (kernel/printk/printk.c:2471)
| [  196.608996][ T5305] Tainted: [W]=WARN
[  196.608997][ T5305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  196.608999][ T5305] Call Trace:
[  196.609000][ T5305]  <TASK>
[  196.609002][ T5305]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  196.609007][ T5305]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  196.609009][ T5305]  __might_resched.cold (kernel/sched/core.c:9234)
[  196.609012][ T5305]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  196.609015][ T5305]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  196.609018][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609020][ T5305]  __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))
[  196.609023][ T5305]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  196.609026][ T5305]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  196.609031][ T5305]  ? 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)
[  196.609033][ T5305]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  196.609036][ T5305]  put_chars (drivers/char/virtio_console.c:1176)
[  196.609038][ T5305]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  196.609039][ T5305]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  196.609042][ T5305]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  196.609046][ T5305]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  196.609048][ T5305]  ? vsnprintf (lib/vsprintf.c:2900)
[  196.609051][ T5305]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  196.609053][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609054][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609056][ T5305]  console_emit_next_record (kernel/printk/printk.c:3183)
[  196.609058][ T5305]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  196.609060][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609062][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609063][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609064][ T5305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.609066][ T5305]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  196.609068][ T5305]  console_flush_one_record (kernel/printk/printk.c:3268)
[  196.609070][ T5305]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  196.609073][ T5305]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  196.609075][ T5305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.609077][ T5305]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  196.609078][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609079][ T5305]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  196.609081][ T5305]  ? 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)
[  196.609083][ T5305]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  196.609084][ T5305]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  196.609086][ T5305]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  196.609088][ T5305]  vprintk_emit (kernel/printk/printk.c:2479)
[  196.609089][ T5305]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  196.609091][ T5305]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  196.609092][ T5305]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  196.609095][ T5305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.609097][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609098][ T5305]  _printk (kernel/printk/printk.c:2504)
[  196.609101][ T5305]  ? snapshot_read.cold (user.c:?)
[  196.609103][ T5305]  ? br_multicast_flood (??:?)
[  196.609106][ T5305]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  196.609109][ T5305]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  196.609110][ T5305]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  196.609112][ T5305]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  196.609115][ T5305]  br_init_port (net/bridge/br_stp_if.c:39)
[  196.609116][ T5305]  new_nbp (net/bridge/br_if.c:449)
[  196.609119][ T5305]  br_add_if (net/bridge/br_if.c:592)
[  196.609120][ T5305]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  196.609125][ T5305]  do_set_master (net/core/rtnetlink.c:3071)
[  196.609126][ T5305]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  196.609128][ T5305]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  196.609129][ T5305]  ? __dev_get_by_name (net/core/dev.c:905)
[  196.609131][ T5305]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  196.609135][ T5305]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  196.609138][ T5305]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  196.609140][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609141][ T5305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  196.609142][ T5305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.609144][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609145][ T5305]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  196.609148][ T5305]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  196.609149][ T5305]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  196.609152][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609153][ T5305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.609155][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609156][ T5305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  196.609157][ T5305]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  196.609159][ T5305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  196.609160][ T5305]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  196.609162][ T5305]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  196.609166][ T5305]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  196.609169][ T5305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  196.609170][ T5305]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  196.609172][ T5305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  196.609173][ T5305]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  196.609176][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609178][ T5305]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  196.609180][ T5305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  196.609182][ T5305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  196.609184][ T5305]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  196.609187][ T5305]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  196.609190][ T5305]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  196.609192][ T5305]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  196.609194][ T5305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.609195][ T5305]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  196.609199][ T5305]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  196.609202][ T5305]  ____sys_sendmsg (net/socket.c:2713)
[  196.609203][ T5305]  ? copy_msghdr_from_user (net/socket.c:2650)
[  196.609205][ T5305]  ? sock_write_iter (net/socket.c:1269)
[  196.609207][ T5305]  ? move_addr_to_kernel (net/socket.c:258)
[  196.609209][ T5305]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  196.609211][ T5305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.609213][ T5305]  ___sys_sendmsg (net/socket.c:2767)
[  196.609215][ T5305]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  196.609217][ T5305]  ? copy_msghdr_from_user (net/socket.c:2619)
[  196.609218][ T5305]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  196.609223][ T5305]  __sys_sendmsg (net/socket.c:2799)
[  196.609225][ T5305]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  196.609227][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609228][ T5305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.609230][ T5305]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  196.609232][ T5305]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  196.609234][ T5305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  196.609236][ T5305] RIP: 0033:0x7f416a44854e
[  196.609238][ T5305] 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
[  196.609240][ T5305] RSP: 002b:00007ffdb38d16b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  196.609243][ T5305] RAX: ffffffffffffffda RBX: 00007ffdb38d1e78 RCX: 00007f416a44854e
[  196.609245][ T5305] RDX: 0000000000000000 RSI: 00007ffdb38d1760 RDI: 0000000000000005
[  196.609246][ T5305] RBP: 00007ffdb38d16c0 R08: 0000000000000000 R09: 0000000000000000
[  196.609247][ T5305] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9b6
[  196.609247][ T5305] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb38d1e30
| [  197.886747][ T5374] softirqs last disabled at (0): 0x0
| [  197.886749][ T5374] Preemption disabled at:
| [  197.886750][ T5374] vprintk_emit (kernel/printk/printk.c:2471)
| [  197.886760][ T5374] Tainted: [W]=WARN
[  197.886761][ T5374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  197.886763][ T5374] Call Trace:
[  197.886765][ T5374]  <TASK>
[  197.886766][ T5374]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  197.886771][ T5374]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  197.886773][ T5374]  __might_resched.cold (kernel/sched/core.c:9234)
[  197.886777][ T5374]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  197.886780][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886783][ T5374]  __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))
[  197.886785][ T5374]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  197.886789][ T5374]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.886793][ T5374]  ? 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)
[  197.886795][ T5374]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.886798][ T5374]  put_chars (drivers/char/virtio_console.c:1176)
[  197.886799][ T5374]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  197.886801][ T5374]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  197.886803][ T5374]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  197.886805][ T5374]  ? pointer (lib/vsprintf.c:2577)
[  197.886809][ T5374]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  197.886813][ T5374]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  197.886815][ T5374]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  197.886817][ T5374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.886820][ T5374]  console_emit_next_record (kernel/printk/printk.c:3183)
[  197.886822][ T5374]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  197.886824][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886825][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886826][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886828][ T5374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.886829][ T5374]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  197.886831][ T5374]  console_flush_one_record (kernel/printk/printk.c:3268)
[  197.886834][ T5374]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  197.886837][ T5374]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  197.886839][ T5374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.886840][ T5374]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  197.886842][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886843][ T5374]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  197.886845][ T5374]  ? 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)
[  197.886846][ T5374]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  197.886848][ T5374]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  197.886850][ T5374]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  197.886851][ T5374]  vprintk_emit (kernel/printk/printk.c:2479)
[  197.886853][ T5374]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  197.886854][ T5374]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  197.886857][ T5374]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  197.886860][ T5374]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  197.886862][ T5374]  _printk (kernel/printk/printk.c:2504)
[  197.886865][ T5374]  ? snapshot_read.cold (user.c:?)
[  197.886867][ T5374]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  197.886869][ T5374]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  197.886872][ T5374]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  197.886874][ T5374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  197.886877][ T5374]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  197.886880][ T5374]  ? netdev_notice (net/core/dev.c:13194)
[  197.886882][ T5374]  ? 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)
[  197.886884][ T5374]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  197.886886][ T5374]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  197.886888][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886889][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886890][ T5374]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  197.886891][ T5374]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  197.886893][ T5374]  ? 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)
[  197.886894][ T5374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  197.886896][ T5374]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  197.886897][ T5374]  ? register_netdev (net/core/dev.c:11618)
[  197.886899][ T5374]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  197.886901][ T5374]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  197.886903][ T5374]  ? __kernel_text_address (kernel/extable.c:79)
[  197.886906][ T5374]  ? write_profile (profile.c:?)
[  197.886908][ T5374]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  197.886912][ T5374]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  197.886914][ T5374]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  197.886915][ T5374]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  197.886916][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886918][ T5374]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  197.886921][ T5374]  ? kasan_save_stack (mm/kasan/common.c:58)
[  197.886923][ T5374]  ? kasan_save_stack (mm/kasan/common.c:57)
[  197.886924][ T5374]  ? kasan_save_track (mm/kasan/common.c:78)
[  197.886926][ T5374]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  197.886927][ T5374]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  197.886928][ T5374]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  197.886929][ T5374]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  197.886931][ T5374]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  197.886934][ T5374]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  197.886935][ T5374]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  197.886937][ T5374]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  197.886939][ T5374]  ? ____sys_sendmsg (net/socket.c:2713)
[  197.886941][ T5374]  ? ___sys_sendmsg (net/socket.c:2767)
[  197.886942][ T5374]  ? __sys_sendmsg (net/socket.c:2799)
[  197.886944][ T5374]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  197.886946][ T5374]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  197.886948][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886950][ T5374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.886951][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886952][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886953][ T5374]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  197.886955][ T5374]  ? __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)
[  197.886956][ T5374]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  197.886957][ T5374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  197.886959][ T5374]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  197.886960][ T5374]  ? nla_get_range_signed (lib/nlattr.c:270)
[  197.886963][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886964][ T5374]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  197.886967][ T5374]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  197.886969][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886970][ T5374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  197.886971][ T5374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.886972][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886974][ T5374]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  197.886976][ T5374]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  197.886978][ T5374]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  197.886979][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886980][ T5374]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  197.886984][ T5374]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  197.886986][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886987][ T5374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.886989][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.886990][ T5374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  197.886991][ T5374]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  197.886993][ T5374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  197.886994][ T5374]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  197.886996][ T5374]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  197.886998][ T5374]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  197.887000][ T5374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  197.887001][ T5374]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  197.887003][ T5374]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  197.887005][ T5374]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  197.887008][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.887009][ T5374]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  197.887011][ T5374]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  197.887013][ T5374]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  197.887015][ T5374]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  197.887017][ T5374]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  197.887019][ T5374]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  197.887021][ T5374]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  197.887023][ T5374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.887024][ T5374]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  197.887028][ T5374]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  197.887029][ T5374]  ____sys_sendmsg (net/socket.c:2713)
[  197.887031][ T5374]  ? copy_msghdr_from_user (net/socket.c:2650)
[  197.887033][ T5374]  ? sock_write_iter (net/socket.c:1269)
[  197.887034][ T5374]  ? move_addr_to_kernel (net/socket.c:258)
[  197.887036][ T5374]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  197.887038][ T5374]  ___sys_sendmsg (net/socket.c:2767)
[  197.887040][ T5374]  ? copy_msghdr_from_user (net/socket.c:2619)
[  197.887045][ T5374]  __sys_sendmsg (net/socket.c:2799)
[  197.887047][ T5374]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  197.887050][ T5374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.887052][ T5374]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  197.887054][ T5374]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  197.887055][ T5374]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  197.887057][ T5374] RIP: 0033:0x7fb8a96fb54e
[  197.887059][ T5374] 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
[  197.887061][ T5374] RSP: 002b:00007fff5eaf8410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  197.887064][ T5374] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb8a96fb54e
[  197.887066][ T5374] RDX: 0000000000000000 RSI: 00007fff5eaf84c0 RDI: 0000000000000005
[  197.887067][ T5374] RBP: 00007fff5eaf8420 R08: 0000000000000000 R09: 0000000000000000
[  197.887068][ T5374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9b8
[  197.887068][ T5374] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5eaf8b80
| [  198.956319][ T5431] softirqs last disabled at (0): 0x0
| [  198.956321][ T5431] Preemption disabled at:
| [  198.956322][ T5431] vprintk_emit (kernel/printk/printk.c:2471)
| [  198.956331][ T5431] Tainted: [W]=WARN
[  198.956332][ T5431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  198.956334][ T5431] Call Trace:
[  198.956336][ T5431]  <TASK>
[  198.956337][ T5431]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  198.956342][ T5431]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  198.956343][ T5431]  __might_resched.cold (kernel/sched/core.c:9234)
[  198.956347][ T5431]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  198.956350][ T5431]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  198.956353][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956355][ T5431]  __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))
[  198.956358][ T5431]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.956361][ T5431]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.956366][ T5431]  ? 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)
[  198.956368][ T5431]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.956370][ T5431]  put_chars (drivers/char/virtio_console.c:1176)
[  198.956372][ T5431]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  198.956374][ T5431]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  198.956376][ T5431]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  198.956380][ T5431]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  198.956382][ T5431]  ? vsnprintf (lib/vsprintf.c:2900)
[  198.956385][ T5431]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.956387][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956388][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956390][ T5431]  console_emit_next_record (kernel/printk/printk.c:3183)
[  198.956392][ T5431]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  198.956395][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956396][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956397][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956398][ T5431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.956400][ T5431]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  198.956402][ T5431]  console_flush_one_record (kernel/printk/printk.c:3268)
[  198.956404][ T5431]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  198.956407][ T5431]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  198.956409][ T5431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.956411][ T5431]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  198.956412][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956413][ T5431]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.956415][ T5431]  ? 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)
[  198.956416][ T5431]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  198.956418][ T5431]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  198.956420][ T5431]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  198.956421][ T5431]  vprintk_emit (kernel/printk/printk.c:2479)
[  198.956423][ T5431]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  198.956424][ T5431]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.956426][ T5431]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  198.956428][ T5431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.956430][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956432][ T5431]  _printk (kernel/printk/printk.c:2504)
[  198.956434][ T5431]  ? snapshot_read.cold (user.c:?)
[  198.956436][ T5431]  ? br_multicast_flood (??:?)
[  198.956440][ T5431]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  198.956442][ T5431]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  198.956443][ T5431]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  198.956445][ T5431]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  198.956448][ T5431]  br_init_port (net/bridge/br_stp_if.c:39)
[  198.956450][ T5431]  new_nbp (net/bridge/br_if.c:449)
[  198.956452][ T5431]  br_add_if (net/bridge/br_if.c:592)
[  198.956454][ T5431]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  198.956458][ T5431]  do_set_master (net/core/rtnetlink.c:3071)
[  198.956460][ T5431]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  198.956462][ T5431]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  198.956463][ T5431]  ? __dev_get_by_name (net/core/dev.c:905)
[  198.956465][ T5431]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  198.956469][ T5431]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  198.956471][ T5431]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  198.956473][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956474][ T5431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  198.956476][ T5431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.956477][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956478][ T5431]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  198.956481][ T5431]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  198.956483][ T5431]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  198.956485][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956486][ T5431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.956487][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956489][ T5431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  198.956490][ T5431]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  198.956492][ T5431]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  198.956495][ T5431]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  198.956497][ T5431]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  198.956501][ T5431]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  198.956504][ T5431]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  198.956505][ T5431]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.956507][ T5431]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  198.956509][ T5431]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  198.956512][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956513][ T5431]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.956515][ T5431]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  198.956517][ T5431]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  198.956519][ T5431]  ? next_uptodate_folio (mm/filemap.c:3747)
[  198.956522][ T5431]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  198.956524][ T5431]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  198.956526][ T5431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.956527][ T5431]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  198.956531][ T5431]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  198.956533][ T5431]  ____sys_sendmsg (net/socket.c:2713)
[  198.956535][ T5431]  ? copy_msghdr_from_user (net/socket.c:2650)
[  198.956537][ T5431]  ? sock_write_iter (net/socket.c:1269)
[  198.956538][ T5431]  ? move_addr_to_kernel (net/socket.c:258)
[  198.956541][ T5431]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  198.956543][ T5431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.956545][ T5431]  ___sys_sendmsg (net/socket.c:2767)
[  198.956546][ T5431]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  198.956548][ T5431]  ? copy_msghdr_from_user (net/socket.c:2619)
[  198.956550][ T5431]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  198.956554][ T5431]  __sys_sendmsg (net/socket.c:2799)
[  198.956556][ T5431]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  198.956559][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956560][ T5431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.956561][ T5431]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  198.956564][ T5431]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  198.956566][ T5431]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  198.956568][ T5431] RIP: 0033:0x7f24ee1a154e
[  198.956570][ T5431] 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
[  198.956572][ T5431] RSP: 002b:00007ffd42091bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  198.956575][ T5431] RAX: ffffffffffffffda RBX: 00007ffd42092388 RCX: 00007f24ee1a154e
[  198.956577][ T5431] RDX: 0000000000000000 RSI: 00007ffd42091c70 RDI: 0000000000000005
[  198.956578][ T5431] RBP: 00007ffd42091bd0 R08: 0000000000000000 R09: 0000000000000000
[  198.956579][ T5431] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9b9
[  198.956579][ T5431] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd42092340
| [  211.508566][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  211.508568][   T12] Preemption disabled at:
| [  211.508569][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  211.508579][   T12] Tainted: [W]=WARN
[  211.508580][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  211.508582][   T12] Workqueue: netns cleanup_net
[  211.508588][   T12] Call Trace:
[  211.508590][   T12]  <TASK>
[  211.508592][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  211.508597][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  211.508598][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  211.508602][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  211.508604][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  211.508607][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.508610][   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))
[  211.508613][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  211.508616][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.508620][   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)
[  211.508622][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.508624][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  211.508626][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  211.508628][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  211.508631][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  211.508635][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  211.508637][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  211.508640][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  211.508641][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.508642][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.508649][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  211.508652][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  211.508654][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.508655][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.508656][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.508657][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.508659][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  211.508661][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  211.508664][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  211.508667][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  211.508668][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.508670][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  211.508672][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.508673][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.508674][   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)
[  211.508676][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  211.508677][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  211.508679][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  211.508681][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  211.508683][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  211.508684][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  211.508685][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  211.508688][   T12]  ? kthread (kernel/kthread.c:436)
[  211.508690][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  211.508693][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  211.508695][   T12]  _printk (kernel/printk/printk.c:2504)
[  211.508698][   T12]  ? snapshot_read.cold (user.c:?)
[  211.508701][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  211.508704][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  211.508706][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  211.508708][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  211.508710][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.508712][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  211.508713][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  211.508716][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  211.508718][   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)
[  211.508719][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  211.508721][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  211.508724][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  211.508728][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  211.508730][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  211.508732][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  211.508734][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  211.508736][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  211.508739][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  211.508741][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  211.508743][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.508745][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.508746][   T12]  process_one_work (kernel/workqueue.c:3387)
[  211.508749][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  211.508751][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  211.508753][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  211.508756][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  211.508759][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  211.508760][   T12]  kthread (kernel/kthread.c:436)
[  211.508762][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  211.508764][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  211.508766][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  211.508767][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  211.508769][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  211.508772][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  211.508774][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  213.677799][ T5767] softirqs last disabled at (0): 0x0
| [  213.677800][ T5767] Preemption disabled at:
| [  213.677801][ T5767] vprintk_emit (kernel/printk/printk.c:2471)
| [  213.677811][ T5767] Tainted: [W]=WARN
[  213.677812][ T5767] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  213.677814][ T5767] Call Trace:
[  213.677816][ T5767]  <TASK>
[  213.677817][ T5767]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  213.677822][ T5767]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  213.677824][ T5767]  __might_resched.cold (kernel/sched/core.c:9234)
[  213.677828][ T5767]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  213.677831][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.677834][ T5767]  __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))
[  213.677837][ T5767]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  213.677840][ T5767]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  213.677845][ T5767]  ? 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)
[  213.677846][ T5767]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  213.677849][ T5767]  put_chars (drivers/char/virtio_console.c:1176)
[  213.677851][ T5767]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  213.677852][ T5767]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  213.677855][ T5767]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  213.677857][ T5767]  ? pointer (lib/vsprintf.c:2577)
[  213.677860][ T5767]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  213.677864][ T5767]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  213.677866][ T5767]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  213.677868][ T5767]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.677871][ T5767]  console_emit_next_record (kernel/printk/printk.c:3183)
[  213.677874][ T5767]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  213.677876][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.677877][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.677878][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.677879][ T5767]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.677881][ T5767]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  213.677883][ T5767]  console_flush_one_record (kernel/printk/printk.c:3268)
[  213.677885][ T5767]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  213.677888][ T5767]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  213.677890][ T5767]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.677891][ T5767]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  213.677893][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.677894][ T5767]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  213.677896][ T5767]  ? 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)
[  213.677897][ T5767]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  213.677899][ T5767]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  213.677900][ T5767]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  213.677902][ T5767]  vprintk_emit (kernel/printk/printk.c:2479)
[  213.677904][ T5767]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  213.677905][ T5767]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  213.677907][ T5767]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  213.677911][ T5767]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  213.677913][ T5767]  _printk (kernel/printk/printk.c:2504)
[  213.677916][ T5767]  ? snapshot_read.cold (user.c:?)
[  213.677918][ T5767]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  213.677920][ T5767]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  213.677924][ T5767]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  213.677926][ T5767]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  213.677929][ T5767]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  213.677931][ T5767]  ? netdev_notice (net/core/dev.c:13194)
[  213.677933][ T5767]  ? 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)
[  213.677935][ T5767]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  213.677938][ T5767]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  213.677939][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.677940][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.677942][ T5767]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  213.677943][ T5767]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  213.677944][ T5767]  ? 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)
[  213.677946][ T5767]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  213.677947][ T5767]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  213.677949][ T5767]  ? register_netdev (net/core/dev.c:11618)
[  213.677950][ T5767]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  213.677952][ T5767]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  213.677954][ T5767]  ? __kernel_text_address (kernel/extable.c:79)
[  213.677957][ T5767]  ? write_profile (profile.c:?)
[  213.677960][ T5767]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  213.677963][ T5767]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  213.677965][ T5767]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  213.677966][ T5767]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  213.677967][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.677969][ T5767]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  213.677972][ T5767]  ? kasan_save_stack (mm/kasan/common.c:58)
[  213.677974][ T5767]  ? kasan_save_stack (mm/kasan/common.c:57)
[  213.677975][ T5767]  ? kasan_save_track (mm/kasan/common.c:78)
[  213.677976][ T5767]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  213.677977][ T5767]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  213.677978][ T5767]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  213.677980][ T5767]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  213.677981][ T5767]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  213.677984][ T5767]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  213.677986][ T5767]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  213.677987][ T5767]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  213.677990][ T5767]  ? ____sys_sendmsg (net/socket.c:2713)
[  213.677991][ T5767]  ? ___sys_sendmsg (net/socket.c:2767)
[  213.677993][ T5767]  ? __sys_sendmsg (net/socket.c:2799)
[  213.677994][ T5767]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  213.677997][ T5767]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  213.677999][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.678000][ T5767]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.678002][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.678003][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.678004][ T5767]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  213.678006][ T5767]  ? __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)
[  213.678007][ T5767]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  213.678008][ T5767]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  213.678010][ T5767]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  213.678011][ T5767]  ? nla_get_range_signed (lib/nlattr.c:270)
[  213.678014][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.678016][ T5767]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  213.678018][ T5767]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  213.678020][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.678021][ T5767]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  213.678022][ T5767]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.678024][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.678025][ T5767]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  213.678028][ T5767]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  213.678029][ T5767]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  213.678031][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.678032][ T5767]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  213.678035][ T5767]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  213.678038][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.678039][ T5767]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.678040][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.678042][ T5767]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  213.678043][ T5767]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  213.678045][ T5767]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  213.678046][ T5767]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  213.678048][ T5767]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  213.678051][ T5767]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  213.678052][ T5767]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  213.678054][ T5767]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  213.678055][ T5767]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  213.678057][ T5767]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  213.678060][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.678062][ T5767]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  213.678064][ T5767]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  213.678066][ T5767]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  213.678068][ T5767]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  213.678069][ T5767]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  213.678072][ T5767]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  213.678073][ T5767]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  213.678075][ T5767]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.678076][ T5767]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  213.678080][ T5767]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  213.678082][ T5767]  ____sys_sendmsg (net/socket.c:2713)
[  213.678083][ T5767]  ? copy_msghdr_from_user (net/socket.c:2650)
[  213.678085][ T5767]  ? sock_write_iter (net/socket.c:1269)
[  213.678086][ T5767]  ? move_addr_to_kernel (net/socket.c:258)
[  213.678088][ T5767]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  213.678091][ T5767]  ___sys_sendmsg (net/socket.c:2767)
[  213.678092][ T5767]  ? copy_msghdr_from_user (net/socket.c:2619)
[  213.678097][ T5767]  __sys_sendmsg (net/socket.c:2799)
[  213.678099][ T5767]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  213.678102][ T5767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.678103][ T5767]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  213.678105][ T5767]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  213.678107][ T5767]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  213.678108][ T5767] RIP: 0033:0x7fde3f33d54e
[  213.678110][ T5767] 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
[  213.678112][ T5767] RSP: 002b:00007ffebca513f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  213.678116][ T5767] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fde3f33d54e
[  213.678117][ T5767] RDX: 0000000000000000 RSI: 00007ffebca514a0 RDI: 0000000000000005
[  213.678118][ T5767] RBP: 00007ffebca51400 R08: 0000000000000000 R09: 0000000000000000
[  213.678119][ T5767] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9c8
[  213.678120][ T5767] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebca51b60
| [  214.758353][ T5841] softirqs last disabled at (0): 0x0
| [  214.758355][ T5841] Preemption disabled at:
| [  214.758355][ T5841] vprintk_emit (kernel/printk/printk.c:2471)
| [  214.758370][ T5841] Tainted: [W]=WARN
[  214.758371][ T5841] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  214.758373][ T5841] Call Trace:
[  214.758375][ T5841]  <TASK>
[  214.758376][ T5841]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  214.758381][ T5841]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  214.758382][ T5841]  __might_resched.cold (kernel/sched/core.c:9234)
[  214.758386][ T5841]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  214.758388][ T5841]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  214.758391][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758394][ T5841]  __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))
[  214.758397][ T5841]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.758400][ T5841]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.758405][ T5841]  ? 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)
[  214.758407][ T5841]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.758410][ T5841]  put_chars (drivers/char/virtio_console.c:1176)
[  214.758411][ T5841]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  214.758413][ T5841]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  214.758416][ T5841]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  214.758420][ T5841]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  214.758422][ T5841]  ? vsnprintf (lib/vsprintf.c:2900)
[  214.758425][ T5841]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.758427][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758428][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758429][ T5841]  console_emit_next_record (kernel/printk/printk.c:3183)
[  214.758432][ T5841]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  214.758434][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758435][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758436][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758437][ T5841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.758440][ T5841]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  214.758441][ T5841]  console_flush_one_record (kernel/printk/printk.c:3268)
[  214.758444][ T5841]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  214.758446][ T5841]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  214.758448][ T5841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.758450][ T5841]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  214.758452][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758453][ T5841]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.758454][ T5841]  ? 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)
[  214.758456][ T5841]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  214.758457][ T5841]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  214.758459][ T5841]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  214.758460][ T5841]  vprintk_emit (kernel/printk/printk.c:2479)
[  214.758462][ T5841]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  214.758463][ T5841]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.758465][ T5841]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  214.758468][ T5841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.758469][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758471][ T5841]  _printk (kernel/printk/printk.c:2504)
[  214.758474][ T5841]  ? snapshot_read.cold (user.c:?)
[  214.758476][ T5841]  ? br_multicast_flood (??:?)
[  214.758479][ T5841]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  214.758482][ T5841]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  214.758483][ T5841]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  214.758485][ T5841]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  214.758488][ T5841]  br_init_port (net/bridge/br_stp_if.c:39)
[  214.758490][ T5841]  new_nbp (net/bridge/br_if.c:449)
[  214.758492][ T5841]  br_add_if (net/bridge/br_if.c:592)
[  214.758494][ T5841]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  214.758498][ T5841]  do_set_master (net/core/rtnetlink.c:3071)
[  214.758500][ T5841]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  214.758501][ T5841]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  214.758503][ T5841]  ? __dev_get_by_name (net/core/dev.c:905)
[  214.758505][ T5841]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  214.758508][ T5841]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  214.758511][ T5841]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  214.758513][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758514][ T5841]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  214.758516][ T5841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.758517][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758519][ T5841]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  214.758522][ T5841]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  214.758523][ T5841]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  214.758526][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758527][ T5841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.758528][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758529][ T5841]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  214.758531][ T5841]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  214.758532][ T5841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  214.758534][ T5841]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  214.758535][ T5841]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  214.758539][ T5841]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  214.758542][ T5841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  214.758543][ T5841]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.758545][ T5841]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  214.758547][ T5841]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  214.758550][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758551][ T5841]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.758553][ T5841]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  214.758555][ T5841]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  214.758557][ T5841]  ? next_uptodate_folio (mm/filemap.c:3747)
[  214.758560][ T5841]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  214.758562][ T5841]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  214.758564][ T5841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.758566][ T5841]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  214.758569][ T5841]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  214.758572][ T5841]  ____sys_sendmsg (net/socket.c:2713)
[  214.758573][ T5841]  ? copy_msghdr_from_user (net/socket.c:2650)
[  214.758575][ T5841]  ? sock_write_iter (net/socket.c:1269)
[  214.758577][ T5841]  ? move_addr_to_kernel (net/socket.c:258)
[  214.758579][ T5841]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  214.758581][ T5841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.758583][ T5841]  ___sys_sendmsg (net/socket.c:2767)
[  214.758585][ T5841]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  214.758587][ T5841]  ? copy_msghdr_from_user (net/socket.c:2619)
[  214.758588][ T5841]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  214.758593][ T5841]  __sys_sendmsg (net/socket.c:2799)
[  214.758595][ T5841]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  214.758598][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758599][ T5841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.758600][ T5841]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  214.758603][ T5841]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  214.758605][ T5841]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  214.758606][ T5841] RIP: 0033:0x7fc36c40254e
[  214.758608][ T5841] 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
[  214.758610][ T5841] RSP: 002b:00007ffc3b5d3790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  214.758614][ T5841] RAX: ffffffffffffffda RBX: 00007ffc3b5d3f58 RCX: 00007fc36c40254e
[  214.758616][ T5841] RDX: 0000000000000000 RSI: 00007ffc3b5d3840 RDI: 0000000000000005
[  214.758617][ T5841] RBP: 00007ffc3b5d37a0 R08: 0000000000000000 R09: 0000000000000000
[  214.758618][ T5841] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9c9
[  214.758618][ T5841] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3b5d3f10
| [  215.867089][ T5907] softirqs last disabled at (0): 0x0
| [  215.867091][ T5907] Preemption disabled at:
| [  215.867091][ T5907] vprintk_emit (kernel/printk/printk.c:2471)
| [  215.867101][ T5907] Tainted: [W]=WARN
[  215.867102][ T5907] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  215.867104][ T5907] Call Trace:
[  215.867105][ T5907]  <TASK>
[  215.867107][ T5907]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  215.867112][ T5907]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  215.867113][ T5907]  __might_resched.cold (kernel/sched/core.c:9234)
[  215.867117][ T5907]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  215.867119][ T5907]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  215.867122][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867125][ T5907]  __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))
[  215.867127][ T5907]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  215.867130][ T5907]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  215.867135][ T5907]  ? 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)
[  215.867137][ T5907]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  215.867140][ T5907]  put_chars (drivers/char/virtio_console.c:1176)
[  215.867141][ T5907]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  215.867143][ T5907]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  215.867146][ T5907]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  215.867150][ T5907]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  215.867152][ T5907]  ? vsnprintf (lib/vsprintf.c:2900)
[  215.867155][ T5907]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  215.867157][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867158][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867160][ T5907]  console_emit_next_record (kernel/printk/printk.c:3183)
[  215.867162][ T5907]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  215.867164][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867165][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867166][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867167][ T5907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.867170][ T5907]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  215.867171][ T5907]  console_flush_one_record (kernel/printk/printk.c:3268)
[  215.867174][ T5907]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  215.867176][ T5907]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  215.867178][ T5907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.867180][ T5907]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  215.867182][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867183][ T5907]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.867184][ T5907]  ? 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)
[  215.867186][ T5907]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  215.867187][ T5907]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  215.867189][ T5907]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  215.867190][ T5907]  vprintk_emit (kernel/printk/printk.c:2479)
[  215.867192][ T5907]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  215.867193][ T5907]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  215.867195][ T5907]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  215.867198][ T5907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.867200][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867201][ T5907]  _printk (kernel/printk/printk.c:2504)
[  215.867204][ T5907]  ? snapshot_read.cold (user.c:?)
[  215.867206][ T5907]  ? br_multicast_flood (??:?)
[  215.867209][ T5907]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  215.867212][ T5907]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  215.867213][ T5907]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  215.867215][ T5907]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  215.867218][ T5907]  br_init_port (net/bridge/br_stp_if.c:39)
[  215.867219][ T5907]  new_nbp (net/bridge/br_if.c:449)
[  215.867222][ T5907]  br_add_if (net/bridge/br_if.c:592)
[  215.867223][ T5907]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  215.867228][ T5907]  do_set_master (net/core/rtnetlink.c:3071)
[  215.867229][ T5907]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  215.867231][ T5907]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  215.867232][ T5907]  ? __dev_get_by_name (net/core/dev.c:905)
[  215.867234][ T5907]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  215.867238][ T5907]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  215.867240][ T5907]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  215.867243][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867244][ T5907]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  215.867245][ T5907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.867247][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867248][ T5907]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  215.867251][ T5907]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  215.867253][ T5907]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  215.867255][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867256][ T5907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.867258][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867259][ T5907]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  215.867260][ T5907]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  215.867262][ T5907]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  215.867263][ T5907]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  215.867265][ T5907]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  215.867268][ T5907]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  215.867272][ T5907]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  215.867273][ T5907]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.867275][ T5907]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  215.867276][ T5907]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  215.867279][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867281][ T5907]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.867283][ T5907]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  215.867285][ T5907]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  215.867287][ T5907]  ? next_uptodate_folio (mm/filemap.c:3747)
[  215.867290][ T5907]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  215.867292][ T5907]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  215.867294][ T5907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.867295][ T5907]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  215.867299][ T5907]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  215.867302][ T5907]  ____sys_sendmsg (net/socket.c:2713)
[  215.867303][ T5907]  ? copy_msghdr_from_user (net/socket.c:2650)
[  215.867305][ T5907]  ? sock_write_iter (net/socket.c:1269)
[  215.867307][ T5907]  ? move_addr_to_kernel (net/socket.c:258)
[  215.867309][ T5907]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  215.867311][ T5907]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.867313][ T5907]  ___sys_sendmsg (net/socket.c:2767)
[  215.867315][ T5907]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  215.867317][ T5907]  ? copy_msghdr_from_user (net/socket.c:2619)
[  215.867318][ T5907]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  215.867323][ T5907]  __sys_sendmsg (net/socket.c:2799)
[  215.867324][ T5907]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  215.867327][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867328][ T5907]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.867329][ T5907]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  215.867332][ T5907]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  215.867334][ T5907]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  215.867336][ T5907] RIP: 0033:0x7f9ed1b6654e
[  215.867338][ T5907] 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
[  215.867339][ T5907] RSP: 002b:00007ffef9ff6ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  215.867343][ T5907] RAX: ffffffffffffffda RBX: 00007ffef9ff76a8 RCX: 00007f9ed1b6654e
[  215.867344][ T5907] RDX: 0000000000000000 RSI: 00007ffef9ff6f90 RDI: 0000000000000005
[  215.867345][ T5907] RBP: 00007ffef9ff6ef0 R08: 0000000000000000 R09: 0000000000000000
[  215.867346][ T5907] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9ca
[  215.867347][ T5907] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef9ff7660
| [  303.173058][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  303.173061][   T12] Preemption disabled at:
| [  303.173061][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  303.173072][   T12] Tainted: [W]=WARN
[  303.173073][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  303.173075][   T12] Workqueue: netns cleanup_net
[  303.173081][   T12] Call Trace:
[  303.173083][   T12]  <TASK>
[  303.173084][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  303.173089][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  303.173091][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  303.173094][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  303.173096][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  303.173100][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.173102][   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))
[  303.173105][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  303.173108][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.173113][   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)
[  303.173114][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.173117][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  303.173119][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  303.173120][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  303.173123][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  303.173128][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  303.173130][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  303.173132][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  303.173134][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.173134][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.173136][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  303.173139][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  303.173141][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.173142][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.173143][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.173144][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.173147][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  303.173149][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  303.173151][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  303.173154][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  303.173156][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.173157][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  303.173159][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.173160][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  303.173162][   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)
[  303.173163][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  303.173164][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  303.173167][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  303.173168][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  303.173170][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  303.173171][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  303.173173][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  303.173175][   T12]  ? kthread (kernel/kthread.c:436)
[  303.173177][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  303.173180][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  303.173183][   T12]  _printk (kernel/printk/printk.c:2504)
[  303.173186][   T12]  ? snapshot_read.cold (user.c:?)
[  303.173188][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  303.173191][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  303.173193][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  303.173196][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  303.173198][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.173199][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  303.173200][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  303.173204][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  303.173205][   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)
[  303.173207][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  303.173209][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  303.173212][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  303.173215][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  303.173217][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  303.173220][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  303.173222][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  303.173224][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  303.173226][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  303.173228][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  303.173230][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  303.173232][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.173234][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.173235][   T12]  process_one_work (kernel/workqueue.c:3387)
[  303.173239][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  303.173241][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  303.173243][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  303.173245][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  303.173248][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  303.173250][   T12]  kthread (kernel/kthread.c:436)
[  303.173252][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  303.173253][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  303.173255][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  303.173257][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  303.173259][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  303.173262][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  303.173264][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  305.346801][ T6580] softirqs last disabled at (0): 0x0
| [  305.346803][ T6580] Preemption disabled at:
| [  305.346804][ T6580] vprintk_emit (kernel/printk/printk.c:2471)
| [  305.346814][ T6580] Tainted: [W]=WARN
[  305.346815][ T6580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  305.346817][ T6580] Call Trace:
[  305.346818][ T6580]  <TASK>
[  305.346820][ T6580]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  305.346825][ T6580]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  305.346826][ T6580]  __might_resched.cold (kernel/sched/core.c:9234)
[  305.346831][ T6580]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  305.346834][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.346836][ T6580]  __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))
[  305.346839][ T6580]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  305.346842][ T6580]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  305.346847][ T6580]  ? 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)
[  305.346849][ T6580]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  305.346851][ T6580]  put_chars (drivers/char/virtio_console.c:1176)
[  305.346853][ T6580]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  305.346854][ T6580]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  305.346856][ T6580]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  305.346859][ T6580]  ? pointer (lib/vsprintf.c:2577)
[  305.346862][ T6580]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  305.346867][ T6580]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  305.346868][ T6580]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  305.346870][ T6580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  305.346873][ T6580]  console_emit_next_record (kernel/printk/printk.c:3183)
[  305.346876][ T6580]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  305.346878][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.346879][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.346880][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.346881][ T6580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  305.346883][ T6580]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  305.346885][ T6580]  console_flush_one_record (kernel/printk/printk.c:3268)
[  305.346887][ T6580]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  305.346890][ T6580]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  305.346892][ T6580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  305.346893][ T6580]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  305.346895][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.346896][ T6580]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  305.346897][ T6580]  ? 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)
[  305.346899][ T6580]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  305.346900][ T6580]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  305.346902][ T6580]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  305.346904][ T6580]  vprintk_emit (kernel/printk/printk.c:2479)
[  305.346905][ T6580]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  305.346907][ T6580]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  305.346909][ T6580]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  305.346912][ T6580]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  305.346915][ T6580]  _printk (kernel/printk/printk.c:2504)
[  305.346917][ T6580]  ? snapshot_read.cold (user.c:?)
[  305.346919][ T6580]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  305.346922][ T6580]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  305.346925][ T6580]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  305.346927][ T6580]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  305.346930][ T6580]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  305.346932][ T6580]  ? netdev_notice (net/core/dev.c:13194)
[  305.346934][ T6580]  ? 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)
[  305.346936][ T6580]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  305.346938][ T6580]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  305.346940][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.346941][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.346942][ T6580]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  305.346943][ T6580]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  305.346945][ T6580]  ? 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)
[  305.346946][ T6580]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  305.346948][ T6580]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  305.346949][ T6580]  ? register_netdev (net/core/dev.c:11618)
[  305.346950][ T6580]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  305.346952][ T6580]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  305.346955][ T6580]  ? __kernel_text_address (kernel/extable.c:79)
[  305.346957][ T6580]  ? write_profile (profile.c:?)
[  305.346960][ T6580]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  305.346963][ T6580]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  305.346965][ T6580]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  305.346967][ T6580]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  305.346968][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.346969][ T6580]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  305.346973][ T6580]  ? kasan_save_stack (mm/kasan/common.c:58)
[  305.346975][ T6580]  ? kasan_save_stack (mm/kasan/common.c:57)
[  305.346976][ T6580]  ? kasan_save_track (mm/kasan/common.c:78)
[  305.346977][ T6580]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  305.346978][ T6580]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  305.346979][ T6580]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  305.346980][ T6580]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  305.346982][ T6580]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  305.346985][ T6580]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  305.346986][ T6580]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  305.346988][ T6580]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  305.346990][ T6580]  ? ____sys_sendmsg (net/socket.c:2713)
[  305.346992][ T6580]  ? ___sys_sendmsg (net/socket.c:2767)
[  305.346993][ T6580]  ? __sys_sendmsg (net/socket.c:2799)
[  305.346995][ T6580]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  305.346997][ T6580]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  305.347000][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.347001][ T6580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  305.347002][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.347003][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.347005][ T6580]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  305.347006][ T6580]  ? __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)
[  305.347007][ T6580]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  305.347008][ T6580]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  305.347010][ T6580]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  305.347011][ T6580]  ? nla_get_range_signed (lib/nlattr.c:270)
[  305.347014][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.347015][ T6580]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  305.347017][ T6580]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  305.347019][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.347021][ T6580]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  305.347022][ T6580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  305.347023][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.347025][ T6580]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  305.347027][ T6580]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  305.347028][ T6580]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  305.347030][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.347031][ T6580]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  305.347034][ T6580]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  305.347036][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.347037][ T6580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  305.347039][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.347040][ T6580]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  305.347041][ T6580]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  305.347043][ T6580]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  305.347044][ T6580]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  305.347046][ T6580]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  305.347048][ T6580]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  305.347050][ T6580]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  305.347051][ T6580]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  305.347053][ T6580]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  305.347055][ T6580]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  305.347058][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.347059][ T6580]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  305.347061][ T6580]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  305.347063][ T6580]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  305.347065][ T6580]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  305.347067][ T6580]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  305.347069][ T6580]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  305.347070][ T6580]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  305.347072][ T6580]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  305.347074][ T6580]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  305.347077][ T6580]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  305.347079][ T6580]  ____sys_sendmsg (net/socket.c:2713)
[  305.347081][ T6580]  ? copy_msghdr_from_user (net/socket.c:2650)
[  305.347082][ T6580]  ? sock_write_iter (net/socket.c:1269)
[  305.347084][ T6580]  ? move_addr_to_kernel (net/socket.c:258)
[  305.347085][ T6580]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  305.347088][ T6580]  ___sys_sendmsg (net/socket.c:2767)
[  305.347090][ T6580]  ? copy_msghdr_from_user (net/socket.c:2619)
[  305.347094][ T6580]  __sys_sendmsg (net/socket.c:2799)
[  305.347096][ T6580]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  305.347099][ T6580]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.347101][ T6580]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  305.347102][ T6580]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  305.347104][ T6580]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  305.347106][ T6580] RIP: 0033:0x7f32cd53954e
[  305.347108][ T6580] 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
[  305.347110][ T6580] RSP: 002b:00007fff75918550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  305.347113][ T6580] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f32cd53954e
[  305.347115][ T6580] RDX: 0000000000000000 RSI: 00007fff75918600 RDI: 0000000000000005
[  305.347116][ T6580] RBP: 00007fff75918560 R08: 0000000000000000 R09: 0000000000000000
[  305.347116][ T6580] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ea23
[  305.347117][ T6580] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff75918cc0
| [  306.436900][ T6654] softirqs last disabled at (0): 0x0
| [  306.436902][ T6654] Preemption disabled at:
| [  306.436903][ T6654] vprintk_emit (kernel/printk/printk.c:2471)
| [  306.436913][ T6654] Tainted: [W]=WARN
[  306.436914][ T6654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  306.436915][ T6654] Call Trace:
[  306.436917][ T6654]  <TASK>
[  306.436918][ T6654]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  306.436923][ T6654]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  306.436925][ T6654]  __might_resched.cold (kernel/sched/core.c:9234)
[  306.436928][ T6654]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  306.436931][ T6654]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  306.436934][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.436937][ T6654]  __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))
[  306.436940][ T6654]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  306.436943][ T6654]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  306.436948][ T6654]  ? 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)
[  306.436950][ T6654]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  306.436952][ T6654]  put_chars (drivers/char/virtio_console.c:1176)
[  306.436954][ T6654]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  306.436955][ T6654]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  306.436958][ T6654]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  306.436963][ T6654]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  306.436965][ T6654]  ? vsnprintf (lib/vsprintf.c:2900)
[  306.436968][ T6654]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  306.436970][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.436971][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.436973][ T6654]  console_emit_next_record (kernel/printk/printk.c:3183)
[  306.436975][ T6654]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  306.436977][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.436978][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.436980][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.436981][ T6654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.436983][ T6654]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  306.436985][ T6654]  console_flush_one_record (kernel/printk/printk.c:3268)
[  306.436987][ T6654]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  306.436990][ T6654]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  306.436992][ T6654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.436994][ T6654]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  306.436995][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.436997][ T6654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  306.436998][ T6654]  ? 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)
[  306.437000][ T6654]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  306.437001][ T6654]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  306.437003][ T6654]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  306.437004][ T6654]  vprintk_emit (kernel/printk/printk.c:2479)
[  306.437006][ T6654]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  306.437007][ T6654]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  306.437009][ T6654]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  306.437012][ T6654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.437014][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.437015][ T6654]  _printk (kernel/printk/printk.c:2504)
[  306.437018][ T6654]  ? snapshot_read.cold (user.c:?)
[  306.437020][ T6654]  ? br_multicast_flood (??:?)
[  306.437023][ T6654]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  306.437026][ T6654]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  306.437027][ T6654]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  306.437029][ T6654]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  306.437032][ T6654]  br_init_port (net/bridge/br_stp_if.c:39)
[  306.437034][ T6654]  new_nbp (net/bridge/br_if.c:449)
[  306.437036][ T6654]  br_add_if (net/bridge/br_if.c:592)
[  306.437038][ T6654]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  306.437042][ T6654]  do_set_master (net/core/rtnetlink.c:3071)
[  306.437044][ T6654]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  306.437046][ T6654]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  306.437047][ T6654]  ? __dev_get_by_name (net/core/dev.c:905)
[  306.437049][ T6654]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  306.437053][ T6654]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  306.437055][ T6654]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  306.437057][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.437059][ T6654]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  306.437060][ T6654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.437062][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.437063][ T6654]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  306.437066][ T6654]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  306.437068][ T6654]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  306.437070][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.437071][ T6654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.437073][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.437074][ T6654]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  306.437075][ T6654]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  306.437077][ T6654]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  306.437079][ T6654]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  306.437080][ T6654]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  306.437084][ T6654]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  306.437087][ T6654]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  306.437088][ T6654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  306.437090][ T6654]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  306.437092][ T6654]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  306.437095][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.437096][ T6654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  306.437098][ T6654]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  306.437100][ T6654]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  306.437102][ T6654]  ? next_uptodate_folio (mm/filemap.c:3747)
[  306.437105][ T6654]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  306.437108][ T6654]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  306.437110][ T6654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.437111][ T6654]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  306.437115][ T6654]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  306.437117][ T6654]  ____sys_sendmsg (net/socket.c:2713)
[  306.437119][ T6654]  ? copy_msghdr_from_user (net/socket.c:2650)
[  306.437121][ T6654]  ? sock_write_iter (net/socket.c:1269)
[  306.437122][ T6654]  ? move_addr_to_kernel (net/socket.c:258)
[  306.437125][ T6654]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  306.437127][ T6654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.437129][ T6654]  ___sys_sendmsg (net/socket.c:2767)
[  306.437131][ T6654]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  306.437133][ T6654]  ? copy_msghdr_from_user (net/socket.c:2619)
[  306.437134][ T6654]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  306.437139][ T6654]  __sys_sendmsg (net/socket.c:2799)
[  306.437141][ T6654]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  306.437143][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.437145][ T6654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.437146][ T6654]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  306.437149][ T6654]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  306.437151][ T6654]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  306.437153][ T6654] RIP: 0033:0x7f5ceb06c54e
[  306.437155][ T6654] 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
[  306.437156][ T6654] RSP: 002b:00007ffd69dfbac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  306.437160][ T6654] RAX: ffffffffffffffda RBX: 00007ffd69dfc288 RCX: 00007f5ceb06c54e
[  306.437162][ T6654] RDX: 0000000000000000 RSI: 00007ffd69dfbb70 RDI: 0000000000000005
[  306.437163][ T6654] RBP: 00007ffd69dfbad0 R08: 0000000000000000 R09: 0000000000000000
[  306.437163][ T6654] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ea24
[  306.437164][ T6654] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd69dfc240
| [  307.539985][ T6720] softirqs last disabled at (0): 0x0
| [  307.539987][ T6720] Preemption disabled at:
| [  307.539988][ T6720] vprintk_emit (kernel/printk/printk.c:2471)
| [  307.539998][ T6720] Tainted: [W]=WARN
[  307.539999][ T6720] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  307.540001][ T6720] Call Trace:
[  307.540003][ T6720]  <TASK>
[  307.540004][ T6720]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  307.540010][ T6720]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  307.540011][ T6720]  __might_resched.cold (kernel/sched/core.c:9234)
[  307.540015][ T6720]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  307.540017][ T6720]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  307.540021][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540023][ T6720]  __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))
[  307.540026][ T6720]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  307.540029][ T6720]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  307.540034][ T6720]  ? 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)
[  307.540036][ T6720]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  307.540039][ T6720]  put_chars (drivers/char/virtio_console.c:1176)
[  307.540040][ T6720]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  307.540042][ T6720]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  307.540045][ T6720]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  307.540050][ T6720]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  307.540051][ T6720]  ? vsnprintf (lib/vsprintf.c:2900)
[  307.540055][ T6720]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  307.540056][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540058][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540059][ T6720]  console_emit_next_record (kernel/printk/printk.c:3183)
[  307.540062][ T6720]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  307.540064][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540065][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540066][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540067][ T6720]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.540070][ T6720]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  307.540071][ T6720]  console_flush_one_record (kernel/printk/printk.c:3268)
[  307.540074][ T6720]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  307.540077][ T6720]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  307.540078][ T6720]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.540080][ T6720]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  307.540082][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540083][ T6720]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  307.540084][ T6720]  ? 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)
[  307.540086][ T6720]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  307.540087][ T6720]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  307.540089][ T6720]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  307.540091][ T6720]  vprintk_emit (kernel/printk/printk.c:2479)
[  307.540093][ T6720]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  307.540094][ T6720]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  307.540096][ T6720]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  307.540098][ T6720]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.540100][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540102][ T6720]  _printk (kernel/printk/printk.c:2504)
[  307.540105][ T6720]  ? snapshot_read.cold (user.c:?)
[  307.540107][ T6720]  ? br_multicast_flood (??:?)
[  307.540110][ T6720]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  307.540113][ T6720]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  307.540114][ T6720]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  307.540116][ T6720]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  307.540119][ T6720]  br_init_port (net/bridge/br_stp_if.c:39)
[  307.540121][ T6720]  new_nbp (net/bridge/br_if.c:449)
[  307.540123][ T6720]  br_add_if (net/bridge/br_if.c:592)
[  307.540125][ T6720]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  307.540129][ T6720]  do_set_master (net/core/rtnetlink.c:3071)
[  307.540131][ T6720]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  307.540133][ T6720]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  307.540134][ T6720]  ? __dev_get_by_name (net/core/dev.c:905)
[  307.540136][ T6720]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  307.540140][ T6720]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  307.540143][ T6720]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  307.540145][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540147][ T6720]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  307.540148][ T6720]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.540149][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540151][ T6720]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  307.540154][ T6720]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  307.540155][ T6720]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  307.540158][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540159][ T6720]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.540160][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540162][ T6720]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  307.540163][ T6720]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  307.540165][ T6720]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  307.540166][ T6720]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  307.540168][ T6720]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  307.540172][ T6720]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  307.540175][ T6720]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  307.540176][ T6720]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  307.540178][ T6720]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  307.540180][ T6720]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  307.540183][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540184][ T6720]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  307.540186][ T6720]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  307.540188][ T6720]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  307.540190][ T6720]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  307.540193][ T6720]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  307.540196][ T6720]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  307.540199][ T6720]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  307.540201][ T6720]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.540202][ T6720]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  307.540206][ T6720]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  307.540209][ T6720]  ____sys_sendmsg (net/socket.c:2713)
[  307.540210][ T6720]  ? copy_msghdr_from_user (net/socket.c:2650)
[  307.540212][ T6720]  ? sock_write_iter (net/socket.c:1269)
[  307.540214][ T6720]  ? move_addr_to_kernel (net/socket.c:258)
[  307.540216][ T6720]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  307.540218][ T6720]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.540220][ T6720]  ___sys_sendmsg (net/socket.c:2767)
[  307.540222][ T6720]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  307.540224][ T6720]  ? copy_msghdr_from_user (net/socket.c:2619)
[  307.540225][ T6720]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  307.540230][ T6720]  __sys_sendmsg (net/socket.c:2799)
[  307.540232][ T6720]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  307.540235][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540236][ T6720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.540238][ T6720]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  307.540240][ T6720]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  307.540242][ T6720]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  307.540244][ T6720] RIP: 0033:0x7f121f2f454e
[  307.540246][ T6720] 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
[  307.540248][ T6720] RSP: 002b:00007fffe3b2dd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  307.540252][ T6720] RAX: ffffffffffffffda RBX: 00007fffe3b2e4f8 RCX: 00007f121f2f454e
[  307.540254][ T6720] RDX: 0000000000000000 RSI: 00007fffe3b2dde0 RDI: 0000000000000005
[  307.540254][ T6720] RBP: 00007fffe3b2dd40 R08: 0000000000000000 R09: 0000000000000000
[  307.540255][ T6720] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ea25
[  307.540256][ T6720] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe3b2e4b0
| [  320.802238][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  320.802241][   T12] Preemption disabled at:
| [  320.802242][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  320.802251][   T12] Tainted: [W]=WARN
[  320.802253][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.802254][   T12] Workqueue: netns cleanup_net
[  320.802260][   T12] Call Trace:
[  320.802262][   T12]  <TASK>
[  320.802263][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  320.802269][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  320.802271][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  320.802274][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  320.802277][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  320.802280][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.802283][   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))
[  320.802286][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  320.802289][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  320.802293][   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)
[  320.802295][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  320.802298][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  320.802299][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  320.802301][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  320.802304][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  320.802308][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  320.802310][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  320.802312][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  320.802314][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.802315][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.802317][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  320.802320][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  320.802322][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.802323][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.802324][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.802325][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  320.802328][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  320.802329][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  320.802332][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  320.802335][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  320.802337][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  320.802339][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  320.802340][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.802341][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  320.802343][   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)
[  320.802344][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  320.802346][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  320.802348][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  320.802349][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  320.802351][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  320.802352][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  320.802354][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  320.802357][   T12]  ? kthread (kernel/kthread.c:436)
[  320.802359][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  320.802361][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  320.802364][   T12]  _printk (kernel/printk/printk.c:2504)
[  320.802367][   T12]  ? snapshot_read.cold (user.c:?)
[  320.802369][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  320.802372][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  320.802375][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  320.802377][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  320.802379][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.802381][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  320.802382][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  320.802385][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  320.802387][   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)
[  320.802388][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  320.802390][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  320.802393][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  320.802397][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  320.802399][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  320.802401][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  320.802404][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  320.802405][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  320.802408][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  320.802410][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  320.802412][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  320.802415][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  320.802416][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.802418][   T12]  process_one_work (kernel/workqueue.c:3387)
[  320.802421][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  320.802423][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  320.802425][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  320.802427][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  320.802430][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  320.802432][   T12]  kthread (kernel/kthread.c:436)
[  320.802434][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.802436][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  320.802438][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  320.802440][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  320.802441][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  320.802444][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  320.802446][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  322.525732][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  322.525735][   T12] Preemption disabled at:
| [  322.525736][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  322.525746][   T12] Tainted: [W]=WARN
[  322.525748][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  322.525750][   T12] Workqueue: netns cleanup_net
[  322.525756][   T12] Call Trace:
[  322.525757][   T12]  <TASK>
[  322.525759][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  322.525765][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  322.525766][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  322.525770][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  322.525772][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  322.525775][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.525778][   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))
[  322.525781][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  322.525784][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  322.525788][   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)
[  322.525790][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  322.525793][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  322.525794][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  322.525796][   T12]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22))
[  322.525798][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  322.525800][   T12]  ? __schedule (kernel/sched/core.c:7277)
[  322.525803][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  322.525807][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  322.525809][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.525810][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  322.525812][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.525813][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.525815][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  322.525817][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  322.525819][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.525820][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  322.525823][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  322.525824][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  322.525827][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  322.525830][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  322.525831][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  322.525833][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  322.525835][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.525836][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  322.525837][   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)
[  322.525839][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  322.525840][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  322.525842][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  322.525843][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  322.525845][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  322.525846][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  322.525848][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  322.525850][   T12]  ? kthread (kernel/kthread.c:436)
[  322.525852][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  322.525855][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  322.525858][   T12]  _printk (kernel/printk/printk.c:2504)
[  322.525860][   T12]  ? snapshot_read.cold (user.c:?)
[  322.525862][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  322.525866][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  322.525868][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  322.525870][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  322.525872][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.525873][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  322.525874][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  322.525877][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  322.525879][   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)
[  322.525880][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  322.525882][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  322.525885][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  322.525888][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  322.525891][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  322.525893][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  322.525895][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  322.525897][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  322.525900][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  322.525902][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  322.525903][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.525905][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  322.525906][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.525908][   T12]  process_one_work (kernel/workqueue.c:3387)
[  322.525911][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  322.525913][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  322.525915][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  322.525917][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  322.525920][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  322.525922][   T12]  kthread (kernel/kthread.c:436)
[  322.525924][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  322.525925][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  322.525927][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  322.525929][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  322.525931][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  322.525934][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  322.525936][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  323.949818][ T7160] softirqs last disabled at (0): 0x0
| [  323.949820][ T7160] Preemption disabled at:
| [  323.949821][ T7160] vprintk_emit (kernel/printk/printk.c:2471)
| [  323.949831][ T7160] Tainted: [W]=WARN
[  323.949832][ T7160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  323.949834][ T7160] Call Trace:
[  323.949835][ T7160]  <TASK>
[  323.949837][ T7160]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  323.949842][ T7160]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  323.949843][ T7160]  __might_resched.cold (kernel/sched/core.c:9234)
[  323.949847][ T7160]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  323.949850][ T7160]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  323.949853][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.949855][ T7160]  __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))
[  323.949858][ T7160]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  323.949861][ T7160]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  323.949867][ T7160]  ? 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)
[  323.949869][ T7160]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  323.949871][ T7160]  put_chars (drivers/char/virtio_console.c:1176)
[  323.949873][ T7160]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  323.949874][ T7160]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  323.949877][ T7160]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  323.949882][ T7160]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  323.949883][ T7160]  ? vsnprintf (lib/vsprintf.c:2900)
[  323.949887][ T7160]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  323.949889][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.949890][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.949891][ T7160]  console_emit_next_record (kernel/printk/printk.c:3183)
[  323.949894][ T7160]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  323.949896][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.949897][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.949898][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.949900][ T7160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  323.949902][ T7160]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  323.949904][ T7160]  console_flush_one_record (kernel/printk/printk.c:3268)
[  323.949906][ T7160]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  323.949909][ T7160]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  323.949911][ T7160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  323.949913][ T7160]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  323.949915][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.949916][ T7160]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  323.949917][ T7160]  ? 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)
[  323.949919][ T7160]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  323.949920][ T7160]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  323.949922][ T7160]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  323.949924][ T7160]  vprintk_emit (kernel/printk/printk.c:2479)
[  323.949925][ T7160]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  323.949927][ T7160]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  323.949928][ T7160]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  323.949931][ T7160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  323.949933][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.949934][ T7160]  _printk (kernel/printk/printk.c:2504)
[  323.949937][ T7160]  ? snapshot_read.cold (user.c:?)
[  323.949939][ T7160]  ? br_multicast_flood (??:?)
[  323.949943][ T7160]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  323.949946][ T7160]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  323.949947][ T7160]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  323.949949][ T7160]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  323.949952][ T7160]  br_init_port (net/bridge/br_stp_if.c:39)
[  323.949953][ T7160]  new_nbp (net/bridge/br_if.c:449)
[  323.949956][ T7160]  br_add_if (net/bridge/br_if.c:592)
[  323.949958][ T7160]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  323.949962][ T7160]  do_set_master (net/core/rtnetlink.c:3071)
[  323.949963][ T7160]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  323.949965][ T7160]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  323.949967][ T7160]  ? __dev_get_by_name (net/core/dev.c:905)
[  323.949968][ T7160]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  323.949972][ T7160]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  323.949975][ T7160]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  323.949977][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.949978][ T7160]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  323.949979][ T7160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  323.949981][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.949982][ T7160]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  323.949985][ T7160]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  323.949987][ T7160]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  323.949990][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.949991][ T7160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  323.949992][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.949993][ T7160]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  323.949995][ T7160]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  323.949996][ T7160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  323.949998][ T7160]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  323.949999][ T7160]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  323.950003][ T7160]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  323.950006][ T7160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  323.950008][ T7160]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  323.950009][ T7160]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  323.950011][ T7160]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  323.950014][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.950015][ T7160]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  323.950017][ T7160]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  323.950020][ T7160]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  323.950022][ T7160]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  323.950024][ T7160]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  323.950027][ T7160]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  323.950029][ T7160]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  323.950031][ T7160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  323.950033][ T7160]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  323.950036][ T7160]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  323.950039][ T7160]  ____sys_sendmsg (net/socket.c:2713)
[  323.950041][ T7160]  ? copy_msghdr_from_user (net/socket.c:2650)
[  323.950043][ T7160]  ? sock_write_iter (net/socket.c:1269)
[  323.950044][ T7160]  ? move_addr_to_kernel (net/socket.c:258)
[  323.950047][ T7160]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  323.950049][ T7160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  323.950051][ T7160]  ___sys_sendmsg (net/socket.c:2767)
[  323.950053][ T7160]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  323.950055][ T7160]  ? copy_msghdr_from_user (net/socket.c:2619)
[  323.950056][ T7160]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  323.950061][ T7160]  __sys_sendmsg (net/socket.c:2799)
[  323.950063][ T7160]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  323.950065][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.950066][ T7160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.950068][ T7160]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  323.950070][ T7160]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  323.950072][ T7160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  323.950074][ T7160] RIP: 0033:0x7f0c1c50654e
[  323.950076][ T7160] 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
[  323.950078][ T7160] RSP: 002b:00007ffed29d1a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  323.950082][ T7160] RAX: ffffffffffffffda RBX: 00007ffed29d2218 RCX: 00007f0c1c50654e
[  323.950083][ T7160] RDX: 0000000000000000 RSI: 00007ffed29d1b00 RDI: 0000000000000005
[  323.950084][ T7160] RBP: 00007ffed29d1a60 R08: 0000000000000000 R09: 0000000000000000
[  323.950085][ T7160] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ea36
[  323.950086][ T7160] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed29d21d0
| [  325.066418][ T7226] softirqs last disabled at (0): 0x0
| [  325.066420][ T7226] Preemption disabled at:
| [  325.066421][ T7226] vprintk_emit (kernel/printk/printk.c:2471)
| [  325.066431][ T7226] Tainted: [W]=WARN
[  325.066432][ T7226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  325.066434][ T7226] Call Trace:
[  325.066436][ T7226]  <TASK>
[  325.066437][ T7226]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  325.066443][ T7226]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  325.066444][ T7226]  __might_resched.cold (kernel/sched/core.c:9234)
[  325.066448][ T7226]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  325.066450][ T7226]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  325.066453][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066456][ T7226]  __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))
[  325.066459][ T7226]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  325.066462][ T7226]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  325.066467][ T7226]  ? 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)
[  325.066469][ T7226]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  325.066471][ T7226]  put_chars (drivers/char/virtio_console.c:1176)
[  325.066473][ T7226]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  325.066475][ T7226]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  325.066477][ T7226]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  325.066482][ T7226]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  325.066484][ T7226]  ? vsnprintf (lib/vsprintf.c:2900)
[  325.066487][ T7226]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  325.066489][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066490][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066491][ T7226]  console_emit_next_record (kernel/printk/printk.c:3183)
[  325.066494][ T7226]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  325.066496][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066497][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066498][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066499][ T7226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  325.066502][ T7226]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  325.066504][ T7226]  console_flush_one_record (kernel/printk/printk.c:3268)
[  325.066506][ T7226]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  325.066509][ T7226]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  325.066511][ T7226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  325.066512][ T7226]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  325.066514][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066515][ T7226]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  325.066517][ T7226]  ? 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)
[  325.066518][ T7226]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  325.066520][ T7226]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  325.066521][ T7226]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  325.066523][ T7226]  vprintk_emit (kernel/printk/printk.c:2479)
[  325.066525][ T7226]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  325.066526][ T7226]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  325.066528][ T7226]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  325.066531][ T7226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  325.066532][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066534][ T7226]  _printk (kernel/printk/printk.c:2504)
[  325.066536][ T7226]  ? snapshot_read.cold (user.c:?)
[  325.066539][ T7226]  ? br_multicast_flood (??:?)
[  325.066542][ T7226]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  325.066545][ T7226]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  325.066546][ T7226]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  325.066548][ T7226]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  325.066551][ T7226]  br_init_port (net/bridge/br_stp_if.c:39)
[  325.066553][ T7226]  new_nbp (net/bridge/br_if.c:449)
[  325.066555][ T7226]  br_add_if (net/bridge/br_if.c:592)
[  325.066557][ T7226]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  325.066561][ T7226]  do_set_master (net/core/rtnetlink.c:3071)
[  325.066563][ T7226]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  325.066565][ T7226]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  325.066566][ T7226]  ? __dev_get_by_name (net/core/dev.c:905)
[  325.066568][ T7226]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  325.066571][ T7226]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  325.066574][ T7226]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  325.066576][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066577][ T7226]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  325.066578][ T7226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  325.066580][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066582][ T7226]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  325.066584][ T7226]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  325.066586][ T7226]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  325.066589][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066590][ T7226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  325.066591][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066592][ T7226]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  325.066594][ T7226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  325.066595][ T7226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  325.066597][ T7226]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  325.066598][ T7226]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  325.066602][ T7226]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  325.066606][ T7226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  325.066607][ T7226]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  325.066608][ T7226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  325.066610][ T7226]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  325.066613][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066614][ T7226]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  325.066616][ T7226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  325.066618][ T7226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  325.066621][ T7226]  ? next_uptodate_folio (mm/filemap.c:3747)
[  325.066624][ T7226]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  325.066626][ T7226]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  325.066628][ T7226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  325.066629][ T7226]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  325.066633][ T7226]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  325.066635][ T7226]  ____sys_sendmsg (net/socket.c:2713)
[  325.066637][ T7226]  ? copy_msghdr_from_user (net/socket.c:2650)
[  325.066639][ T7226]  ? sock_write_iter (net/socket.c:1269)
[  325.066640][ T7226]  ? move_addr_to_kernel (net/socket.c:258)
[  325.066642][ T7226]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  325.066645][ T7226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  325.066649][ T7226]  ___sys_sendmsg (net/socket.c:2767)
[  325.066651][ T7226]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  325.066652][ T7226]  ? copy_msghdr_from_user (net/socket.c:2619)
[  325.066654][ T7226]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  325.066658][ T7226]  __sys_sendmsg (net/socket.c:2799)
[  325.066660][ T7226]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  325.066663][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066664][ T7226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.066666][ T7226]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  325.066668][ T7226]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  325.066670][ T7226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  325.066672][ T7226] RIP: 0033:0x7fc14d8cd54e
[  325.066674][ T7226] 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
[  325.066676][ T7226] RSP: 002b:00007ffd39df69e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  325.066679][ T7226] RAX: ffffffffffffffda RBX: 00007ffd39df71a8 RCX: 00007fc14d8cd54e
[  325.066681][ T7226] RDX: 0000000000000000 RSI: 00007ffd39df6a90 RDI: 0000000000000005
[  325.066682][ T7226] RBP: 00007ffd39df69f0 R08: 0000000000000000 R09: 0000000000000000
[  325.066683][ T7226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ea37
[  325.066684][ T7226] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd39df7160
| [  412.904417][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  412.904419][   T12] Preemption disabled at:
| [  412.904420][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  412.904430][   T12] Tainted: [W]=WARN
[  412.904431][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  412.904434][   T12] Workqueue: netns cleanup_net
[  412.904440][   T12] Call Trace:
[  412.904441][   T12]  <TASK>
[  412.904443][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  412.904449][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  412.904450][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  412.904454][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  412.904456][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  412.904459][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.904461][   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))
[  412.904465][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  412.904467][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  412.904472][   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)
[  412.904474][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  412.904477][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  412.904478][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  412.904480][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  412.904483][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  412.904487][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  412.904489][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  412.904491][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  412.904493][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.904494][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.904496][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  412.904498][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  412.904500][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.904501][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.904502][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.904503][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  412.904506][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  412.904508][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  412.904510][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  412.904513][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  412.904515][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  412.904516][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  412.904518][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.904519][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  412.904520][   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)
[  412.904522][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  412.904523][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  412.904525][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  412.904527][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  412.904529][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  412.904530][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  412.904531][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  412.904534][   T12]  ? kthread (kernel/kthread.c:436)
[  412.904536][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  412.904538][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  412.904541][   T12]  _printk (kernel/printk/printk.c:2504)
[  412.904544][   T12]  ? snapshot_read.cold (user.c:?)
[  412.904546][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  412.904550][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  412.904552][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  412.904554][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  412.904556][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.904557][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  412.904559][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  412.904562][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  412.904563][   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)
[  412.904565][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  412.904567][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  412.904569][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  412.904573][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  412.904575][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  412.904578][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  412.904580][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  412.904581][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  412.904584][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  412.904586][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  412.904588][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  412.904590][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.904591][   T12]  process_one_work (kernel/workqueue.c:3387)
[  412.904594][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  412.904596][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  412.904598][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  412.904601][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  412.904604][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  412.904605][   T12]  kthread (kernel/kthread.c:436)
[  412.904607][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  412.904609][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  412.904611][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  412.904612][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  412.904614][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  412.904617][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  412.904619][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  414.610680][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  414.610683][   T12] Preemption disabled at:
| [  414.610683][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  414.610694][   T12] Tainted: [W]=WARN
[  414.610695][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  414.610697][   T12] Workqueue: netns cleanup_net
[  414.610703][   T12] Call Trace:
[  414.610704][   T12]  <TASK>
[  414.610706][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  414.610711][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  414.610713][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  414.610717][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  414.610719][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  414.610722][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.610725][   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))
[  414.610728][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  414.610731][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  414.610735][   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)
[  414.610737][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  414.610740][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  414.610742][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  414.610743][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  414.610746][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  414.610750][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  414.610752][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  414.610755][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  414.610756][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.610757][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.610759][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  414.610762][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  414.610764][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.610765][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.610766][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.610767][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  414.610769][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  414.610771][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  414.610773][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  414.610776][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  414.610778][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  414.610780][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  414.610781][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.610782][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  414.610784][   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)
[  414.610785][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  414.610787][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  414.610789][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  414.610790][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  414.610792][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  414.610793][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  414.610794][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  414.610797][   T12]  ? kthread (kernel/kthread.c:436)
[  414.610799][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  414.610802][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  414.610804][   T12]  _printk (kernel/printk/printk.c:2504)
[  414.610807][   T12]  ? snapshot_read.cold (user.c:?)
[  414.610809][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  414.610813][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  414.610815][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  414.610817][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  414.610819][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.610820][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  414.610822][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  414.610825][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  414.610826][   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)
[  414.610828][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  414.610830][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  414.610832][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  414.610836][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  414.610839][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  414.610841][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  414.610843][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  414.610845][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  414.610848][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  414.610850][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  414.610851][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  414.610853][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.610855][   T12]  process_one_work (kernel/workqueue.c:3387)
[  414.610858][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  414.610860][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  414.610862][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  414.610865][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  414.610867][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  414.610869][   T12]  kthread (kernel/kthread.c:436)
[  414.610871][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  414.610872][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  414.610874][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  414.610876][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  414.610878][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  414.610881][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  414.610883][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  416.023704][ T7976] softirqs last disabled at (0): 0x0
| [  416.023706][ T7976] Preemption disabled at:
| [  416.023707][ T7976] vprintk_emit (kernel/printk/printk.c:2471)
| [  416.023717][ T7976] Tainted: [W]=WARN
[  416.023718][ T7976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  416.023719][ T7976] Call Trace:
[  416.023721][ T7976]  <TASK>
[  416.023723][ T7976]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  416.023728][ T7976]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  416.023729][ T7976]  __might_resched.cold (kernel/sched/core.c:9234)
[  416.023733][ T7976]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  416.023735][ T7976]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  416.023739][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023741][ T7976]  __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))
[  416.023744][ T7976]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  416.023747][ T7976]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  416.023752][ T7976]  ? 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)
[  416.023754][ T7976]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  416.023757][ T7976]  put_chars (drivers/char/virtio_console.c:1176)
[  416.023758][ T7976]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  416.023760][ T7976]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  416.023763][ T7976]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  416.023767][ T7976]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  416.023769][ T7976]  ? vsnprintf (lib/vsprintf.c:2900)
[  416.023772][ T7976]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  416.023774][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023775][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023777][ T7976]  console_emit_next_record (kernel/printk/printk.c:3183)
[  416.023779][ T7976]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  416.023782][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023783][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023784][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023785][ T7976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  416.023787][ T7976]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  416.023789][ T7976]  console_flush_one_record (kernel/printk/printk.c:3268)
[  416.023792][ T7976]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  416.023794][ T7976]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  416.023796][ T7976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  416.023798][ T7976]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  416.023800][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023800][ T7976]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  416.023802][ T7976]  ? 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)
[  416.023804][ T7976]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  416.023805][ T7976]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  416.023807][ T7976]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  416.023808][ T7976]  vprintk_emit (kernel/printk/printk.c:2479)
[  416.023810][ T7976]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  416.023811][ T7976]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  416.023813][ T7976]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  416.023816][ T7976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  416.023818][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023819][ T7976]  _printk (kernel/printk/printk.c:2504)
[  416.023822][ T7976]  ? snapshot_read.cold (user.c:?)
[  416.023824][ T7976]  ? br_multicast_flood (??:?)
[  416.023827][ T7976]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  416.023830][ T7976]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  416.023831][ T7976]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  416.023833][ T7976]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  416.023836][ T7976]  br_init_port (net/bridge/br_stp_if.c:39)
[  416.023838][ T7976]  new_nbp (net/bridge/br_if.c:449)
[  416.023840][ T7976]  br_add_if (net/bridge/br_if.c:592)
[  416.023842][ T7976]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  416.023846][ T7976]  do_set_master (net/core/rtnetlink.c:3071)
[  416.023848][ T7976]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  416.023849][ T7976]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  416.023851][ T7976]  ? __dev_get_by_name (net/core/dev.c:905)
[  416.023853][ T7976]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  416.023856][ T7976]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  416.023859][ T7976]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  416.023861][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023862][ T7976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  416.023864][ T7976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  416.023865][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023866][ T7976]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  416.023869][ T7976]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  416.023871][ T7976]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  416.023873][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023874][ T7976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  416.023876][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023877][ T7976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  416.023878][ T7976]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  416.023880][ T7976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  416.023882][ T7976]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  416.023883][ T7976]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  416.023887][ T7976]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  416.023890][ T7976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  416.023892][ T7976]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  416.023893][ T7976]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  416.023895][ T7976]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  416.023898][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023899][ T7976]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  416.023901][ T7976]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  416.023903][ T7976]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  416.023905][ T7976]  ? next_uptodate_folio (mm/filemap.c:3747)
[  416.023909][ T7976]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  416.023911][ T7976]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  416.023913][ T7976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  416.023914][ T7976]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  416.023918][ T7976]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  416.023921][ T7976]  ____sys_sendmsg (net/socket.c:2713)
[  416.023922][ T7976]  ? copy_msghdr_from_user (net/socket.c:2650)
[  416.023924][ T7976]  ? sock_write_iter (net/socket.c:1269)
[  416.023926][ T7976]  ? move_addr_to_kernel (net/socket.c:258)
[  416.023928][ T7976]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  416.023930][ T7976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  416.023932][ T7976]  ___sys_sendmsg (net/socket.c:2767)
[  416.023934][ T7976]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  416.023936][ T7976]  ? copy_msghdr_from_user (net/socket.c:2619)
[  416.023937][ T7976]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  416.023942][ T7976]  __sys_sendmsg (net/socket.c:2799)
[  416.023944][ T7976]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  416.023947][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023948][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.023949][ T7976]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  416.023952][ T7976]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  416.023954][ T7976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  416.023956][ T7976] RIP: 0033:0x7f6407d7154e
[  416.023957][ T7976] 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
[  416.023959][ T7976] RSP: 002b:00007ffc7a363270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  416.023963][ T7976] RAX: ffffffffffffffda RBX: 00007ffc7a363a38 RCX: 00007f6407d7154e
[  416.023965][ T7976] RDX: 0000000000000000 RSI: 00007ffc7a363320 RDI: 0000000000000005
[  416.023965][ T7976] RBP: 00007ffc7a363280 R08: 0000000000000000 R09: 0000000000000000
[  416.023966][ T7976] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ea92
[  416.023967][ T7976] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7a3639f0
| [  417.126057][ T8035] softirqs last disabled at (0): 0x0
| [  417.126059][ T8035] Preemption disabled at:
| [  417.126060][ T8035] vprintk_emit (kernel/printk/printk.c:2471)
| [  417.126070][ T8035] Tainted: [W]=WARN
[  417.126071][ T8035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  417.126073][ T8035] Call Trace:
[  417.126075][ T8035]  <TASK>
[  417.126076][ T8035]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  417.126081][ T8035]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  417.126083][ T8035]  __might_resched.cold (kernel/sched/core.c:9234)
[  417.126086][ T8035]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  417.126089][ T8035]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  417.126092][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126094][ T8035]  __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))
[  417.126097][ T8035]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  417.126100][ T8035]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  417.126105][ T8035]  ? 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)
[  417.126107][ T8035]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  417.126110][ T8035]  put_chars (drivers/char/virtio_console.c:1176)
[  417.126112][ T8035]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  417.126113][ T8035]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  417.126116][ T8035]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  417.126120][ T8035]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  417.126122][ T8035]  ? vsnprintf (lib/vsprintf.c:2900)
[  417.126126][ T8035]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  417.126127][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126129][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126130][ T8035]  console_emit_next_record (kernel/printk/printk.c:3183)
[  417.126133][ T8035]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  417.126135][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126136][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126137][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126138][ T8035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  417.126141][ T8035]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  417.126143][ T8035]  console_flush_one_record (kernel/printk/printk.c:3268)
[  417.126145][ T8035]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  417.126148][ T8035]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  417.126150][ T8035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  417.126152][ T8035]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  417.126153][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126154][ T8035]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  417.126156][ T8035]  ? 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)
[  417.126157][ T8035]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  417.126159][ T8035]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  417.126161][ T8035]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  417.126162][ T8035]  vprintk_emit (kernel/printk/printk.c:2479)
[  417.126164][ T8035]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  417.126165][ T8035]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  417.126167][ T8035]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  417.126170][ T8035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  417.126171][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126173][ T8035]  _printk (kernel/printk/printk.c:2504)
[  417.126176][ T8035]  ? snapshot_read.cold (user.c:?)
[  417.126178][ T8035]  ? br_multicast_flood (??:?)
[  417.126181][ T8035]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  417.126184][ T8035]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  417.126185][ T8035]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  417.126187][ T8035]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  417.126190][ T8035]  br_init_port (net/bridge/br_stp_if.c:39)
[  417.126192][ T8035]  new_nbp (net/bridge/br_if.c:449)
[  417.126194][ T8035]  br_add_if (net/bridge/br_if.c:592)
[  417.126196][ T8035]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  417.126200][ T8035]  do_set_master (net/core/rtnetlink.c:3071)
[  417.126201][ T8035]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  417.126203][ T8035]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  417.126204][ T8035]  ? __dev_get_by_name (net/core/dev.c:905)
[  417.126206][ T8035]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  417.126210][ T8035]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  417.126213][ T8035]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  417.126215][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126216][ T8035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  417.126217][ T8035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  417.126219][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126220][ T8035]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  417.126223][ T8035]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  417.126225][ T8035]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  417.126227][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126228][ T8035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  417.126230][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126231][ T8035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  417.126232][ T8035]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  417.126234][ T8035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  417.126236][ T8035]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  417.126237][ T8035]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  417.126241][ T8035]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  417.126244][ T8035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  417.126246][ T8035]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  417.126247][ T8035]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  417.126249][ T8035]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  417.126252][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126253][ T8035]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  417.126256][ T8035]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  417.126258][ T8035]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  417.126260][ T8035]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  417.126263][ T8035]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  417.126266][ T8035]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  417.126268][ T8035]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  417.126270][ T8035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  417.126272][ T8035]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  417.126275][ T8035]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  417.126278][ T8035]  ____sys_sendmsg (net/socket.c:2713)
[  417.126280][ T8035]  ? copy_msghdr_from_user (net/socket.c:2650)
[  417.126282][ T8035]  ? sock_write_iter (net/socket.c:1269)
[  417.126283][ T8035]  ? move_addr_to_kernel (net/socket.c:258)
[  417.126285][ T8035]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  417.126288][ T8035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  417.126290][ T8035]  ___sys_sendmsg (net/socket.c:2767)
[  417.126292][ T8035]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  417.126293][ T8035]  ? copy_msghdr_from_user (net/socket.c:2619)
[  417.126295][ T8035]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  417.126299][ T8035]  __sys_sendmsg (net/socket.c:2799)
[  417.126302][ T8035]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  417.126304][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126305][ T8035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.126307][ T8035]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  417.126309][ T8035]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  417.126311][ T8035]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  417.126313][ T8035] RIP: 0033:0x7f595338e54e
[  417.126315][ T8035] 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
[  417.126317][ T8035] RSP: 002b:00007fff74103fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  417.126321][ T8035] RAX: ffffffffffffffda RBX: 00007fff741047a8 RCX: 00007f595338e54e
[  417.126322][ T8035] RDX: 0000000000000000 RSI: 00007fff74104090 RDI: 0000000000000005
[  417.126323][ T8035] RBP: 00007fff74103ff0 R08: 0000000000000000 R09: 0000000000000000
[  417.126324][ T8035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ea93
[  417.126325][ T8035] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff74104760
| [  424.574153][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  424.574156][   T12] Preemption disabled at:
| [  424.574156][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  424.574167][   T12] Tainted: [W]=WARN
[  424.574168][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  424.574170][   T12] Workqueue: netns cleanup_net
[  424.574176][   T12] Call Trace:
[  424.574177][   T12]  <TASK>
[  424.574179][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  424.574184][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  424.574185][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  424.574189][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  424.574191][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  424.574194][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.574197][   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))
[  424.574200][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  424.574203][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  424.574207][   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)
[  424.574209][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  424.574212][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  424.574213][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  424.574215][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  424.574218][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  424.574222][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  424.574224][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  424.574226][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  424.574228][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.574229][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.574231][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  424.574233][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  424.574235][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.574236][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.574237][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.574238][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.574241][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  424.574243][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  424.574245][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  424.574248][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  424.574250][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.574251][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  424.574253][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.574254][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  424.574256][   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)
[  424.574257][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  424.574258][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  424.574260][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  424.574262][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  424.574263][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  424.574265][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  424.574266][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  424.574269][   T12]  ? kthread (kernel/kthread.c:436)
[  424.574271][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  424.574274][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  424.574276][   T12]  _printk (kernel/printk/printk.c:2504)
[  424.574279][   T12]  ? snapshot_read.cold (user.c:?)
[  424.574281][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  424.574285][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  424.574287][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  424.574289][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  424.574291][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.574293][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  424.574294][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  424.574297][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  424.574299][   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)
[  424.574300][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  424.574303][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  424.574305][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  424.574309][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  424.574311][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  424.574314][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  424.574316][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  424.574318][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  424.574320][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  424.574322][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  424.574324][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.574326][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.574327][   T12]  process_one_work (kernel/workqueue.c:3387)
[  424.574330][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  424.574332][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  424.574334][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  424.574337][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  424.574340][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  424.574341][   T12]  kthread (kernel/kthread.c:436)
[  424.574343][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  424.574345][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  424.574346][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  424.574348][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  424.574350][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  424.574353][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  424.574355][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  425.730635][ T8332] softirqs last disabled at (0): 0x0
| [  425.730637][ T8332] Preemption disabled at:
| [  425.730638][ T8332] vprintk_emit (kernel/printk/printk.c:2471)
| [  425.730649][ T8332] Tainted: [W]=WARN
[  425.730650][ T8332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  425.730652][ T8332] Call Trace:
[  425.730654][ T8332]  <TASK>
[  425.730655][ T8332]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  425.730661][ T8332]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  425.730662][ T8332]  __might_resched.cold (kernel/sched/core.c:9234)
[  425.730666][ T8332]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  425.730668][ T8332]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  425.730672][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730674][ T8332]  __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))
[  425.730677][ T8332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  425.730680][ T8332]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  425.730685][ T8332]  ? 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)
[  425.730687][ T8332]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  425.730690][ T8332]  put_chars (drivers/char/virtio_console.c:1176)
[  425.730691][ T8332]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  425.730693][ T8332]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  425.730695][ T8332]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  425.730700][ T8332]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  425.730702][ T8332]  ? vsnprintf (lib/vsprintf.c:2900)
[  425.730705][ T8332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  425.730707][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730708][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730710][ T8332]  console_emit_next_record (kernel/printk/printk.c:3183)
[  425.730712][ T8332]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  425.730714][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730715][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730716][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730717][ T8332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  425.730720][ T8332]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  425.730722][ T8332]  console_flush_one_record (kernel/printk/printk.c:3268)
[  425.730724][ T8332]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  425.730727][ T8332]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  425.730729][ T8332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  425.730731][ T8332]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  425.730732][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730733][ T8332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  425.730735][ T8332]  ? 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)
[  425.730736][ T8332]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  425.730738][ T8332]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  425.730740][ T8332]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  425.730741][ T8332]  vprintk_emit (kernel/printk/printk.c:2479)
[  425.730743][ T8332]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  425.730744][ T8332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  425.730746][ T8332]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  425.730749][ T8332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  425.730750][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730752][ T8332]  _printk (kernel/printk/printk.c:2504)
[  425.730755][ T8332]  ? snapshot_read.cold (user.c:?)
[  425.730757][ T8332]  ? br_multicast_flood (??:?)
[  425.730760][ T8332]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  425.730763][ T8332]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  425.730764][ T8332]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  425.730766][ T8332]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  425.730769][ T8332]  br_init_port (net/bridge/br_stp_if.c:39)
[  425.730770][ T8332]  new_nbp (net/bridge/br_if.c:449)
[  425.730772][ T8332]  br_add_if (net/bridge/br_if.c:592)
[  425.730774][ T8332]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  425.730778][ T8332]  do_set_master (net/core/rtnetlink.c:3071)
[  425.730780][ T8332]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  425.730782][ T8332]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  425.730783][ T8332]  ? __dev_get_by_name (net/core/dev.c:905)
[  425.730785][ T8332]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  425.730789][ T8332]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  425.730792][ T8332]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  425.730794][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730795][ T8332]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  425.730796][ T8332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  425.730798][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730799][ T8332]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  425.730802][ T8332]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  425.730804][ T8332]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  425.730806][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730807][ T8332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  425.730809][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730810][ T8332]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  425.730811][ T8332]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  425.730813][ T8332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  425.730814][ T8332]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  425.730816][ T8332]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  425.730820][ T8332]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  425.730823][ T8332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  425.730824][ T8332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  425.730826][ T8332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  425.730827][ T8332]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  425.730830][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730832][ T8332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  425.730834][ T8332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  425.730836][ T8332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  425.730838][ T8332]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  425.730841][ T8332]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  425.730843][ T8332]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  425.730846][ T8332]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  425.730848][ T8332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  425.730849][ T8332]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  425.730853][ T8332]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  425.730856][ T8332]  ____sys_sendmsg (net/socket.c:2713)
[  425.730857][ T8332]  ? copy_msghdr_from_user (net/socket.c:2650)
[  425.730859][ T8332]  ? sock_write_iter (net/socket.c:1269)
[  425.730861][ T8332]  ? move_addr_to_kernel (net/socket.c:258)
[  425.730863][ T8332]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  425.730865][ T8332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  425.730867][ T8332]  ___sys_sendmsg (net/socket.c:2767)
[  425.730869][ T8332]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  425.730871][ T8332]  ? copy_msghdr_from_user (net/socket.c:2619)
[  425.730872][ T8332]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  425.730877][ T8332]  __sys_sendmsg (net/socket.c:2799)
[  425.730879][ T8332]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  425.730882][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730883][ T8332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.730884][ T8332]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  425.730887][ T8332]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  425.730889][ T8332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  425.730891][ T8332] RIP: 0033:0x7fe8a219f54e
[  425.730893][ T8332] 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
[  425.730895][ T8332] RSP: 002b:00007fff69a74ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  425.730898][ T8332] RAX: ffffffffffffffda RBX: 00007fff69a754a8 RCX: 00007fe8a219f54e
[  425.730900][ T8332] RDX: 0000000000000000 RSI: 00007fff69a74d90 RDI: 0000000000000005
[  425.730901][ T8332] RBP: 00007fff69a74cf0 R08: 0000000000000000 R09: 0000000000000000
[  425.730902][ T8332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ea9c
[  425.730903][ T8332] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff69a75460
| [  427.009752][ T8401] softirqs last disabled at (0): 0x0
| [  427.009753][ T8401] Preemption disabled at:
| [  427.009754][ T8401] vprintk_emit (kernel/printk/printk.c:2471)
| [  427.009764][ T8401] Tainted: [W]=WARN
[  427.009765][ T8401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  427.009767][ T8401] Call Trace:
[  427.009768][ T8401]  <TASK>
[  427.009770][ T8401]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  427.009775][ T8401]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  427.009776][ T8401]  __might_resched.cold (kernel/sched/core.c:9234)
[  427.009780][ T8401]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  427.009784][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009786][ T8401]  __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))
[  427.009789][ T8401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  427.009792][ T8401]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  427.009797][ T8401]  ? 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)
[  427.009799][ T8401]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  427.009801][ T8401]  put_chars (drivers/char/virtio_console.c:1176)
[  427.009803][ T8401]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  427.009804][ T8401]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  427.009806][ T8401]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  427.009808][ T8401]  ? pointer (lib/vsprintf.c:2577)
[  427.009812][ T8401]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  427.009816][ T8401]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  427.009818][ T8401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  427.009820][ T8401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.009822][ T8401]  console_emit_next_record (kernel/printk/printk.c:3183)
[  427.009825][ T8401]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  427.009827][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009828][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009829][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009830][ T8401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.009832][ T8401]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  427.009834][ T8401]  console_flush_one_record (kernel/printk/printk.c:3268)
[  427.009837][ T8401]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  427.009839][ T8401]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  427.009841][ T8401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.009843][ T8401]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  427.009845][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009846][ T8401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  427.009847][ T8401]  ? 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)
[  427.009849][ T8401]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  427.009850][ T8401]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  427.009852][ T8401]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  427.009853][ T8401]  vprintk_emit (kernel/printk/printk.c:2479)
[  427.009855][ T8401]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  427.009856][ T8401]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  427.009859][ T8401]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  427.009862][ T8401]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  427.009864][ T8401]  _printk (kernel/printk/printk.c:2504)
[  427.009868][ T8401]  ? snapshot_read.cold (user.c:?)
[  427.009870][ T8401]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  427.009872][ T8401]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  427.009875][ T8401]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  427.009877][ T8401]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  427.009880][ T8401]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  427.009883][ T8401]  ? netdev_notice (net/core/dev.c:13194)
[  427.009885][ T8401]  ? 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)
[  427.009887][ T8401]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  427.009889][ T8401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  427.009891][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009892][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009893][ T8401]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  427.009894][ T8401]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  427.009896][ T8401]  ? 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)
[  427.009897][ T8401]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  427.009898][ T8401]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  427.009900][ T8401]  ? register_netdev (net/core/dev.c:11618)
[  427.009901][ T8401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  427.009904][ T8401]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  427.009906][ T8401]  ? __kernel_text_address (kernel/extable.c:79)
[  427.009908][ T8401]  ? write_profile (profile.c:?)
[  427.009911][ T8401]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  427.009915][ T8401]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  427.009916][ T8401]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  427.009918][ T8401]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  427.009919][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009920][ T8401]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  427.009924][ T8401]  ? kasan_save_stack (mm/kasan/common.c:58)
[  427.009926][ T8401]  ? kasan_save_stack (mm/kasan/common.c:57)
[  427.009927][ T8401]  ? kasan_save_track (mm/kasan/common.c:78)
[  427.009928][ T8401]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  427.009929][ T8401]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  427.009930][ T8401]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  427.009931][ T8401]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  427.009932][ T8401]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  427.009935][ T8401]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  427.009937][ T8401]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  427.009938][ T8401]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  427.009941][ T8401]  ? ____sys_sendmsg (net/socket.c:2713)
[  427.009942][ T8401]  ? ___sys_sendmsg (net/socket.c:2767)
[  427.009944][ T8401]  ? __sys_sendmsg (net/socket.c:2799)
[  427.009945][ T8401]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  427.009948][ T8401]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  427.009950][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009951][ T8401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.009953][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009954][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009955][ T8401]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  427.009957][ T8401]  ? __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)
[  427.009958][ T8401]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  427.009959][ T8401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  427.009961][ T8401]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  427.009962][ T8401]  ? nla_get_range_signed (lib/nlattr.c:270)
[  427.009965][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009966][ T8401]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  427.009968][ T8401]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  427.009970][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009971][ T8401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  427.009973][ T8401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.009974][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009976][ T8401]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  427.009979][ T8401]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  427.009980][ T8401]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  427.009981][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009982][ T8401]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  427.009986][ T8401]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  427.009988][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009989][ T8401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.009991][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.009992][ T8401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  427.009993][ T8401]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  427.009995][ T8401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  427.009996][ T8401]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  427.009998][ T8401]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  427.010000][ T8401]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  427.010002][ T8401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  427.010003][ T8401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  427.010005][ T8401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  427.010006][ T8401]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  427.010010][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.010011][ T8401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  427.010013][ T8401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  427.010015][ T8401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  427.010017][ T8401]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  427.010019][ T8401]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  427.010021][ T8401]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  427.010022][ T8401]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  427.010028][ T8401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.010030][ T8401]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  427.010033][ T8401]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  427.010035][ T8401]  ____sys_sendmsg (net/socket.c:2713)
[  427.010036][ T8401]  ? copy_msghdr_from_user (net/socket.c:2650)
[  427.010038][ T8401]  ? sock_write_iter (net/socket.c:1269)
[  427.010040][ T8401]  ? move_addr_to_kernel (net/socket.c:258)
[  427.010041][ T8401]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  427.010044][ T8401]  ___sys_sendmsg (net/socket.c:2767)
[  427.010046][ T8401]  ? copy_msghdr_from_user (net/socket.c:2619)
[  427.010051][ T8401]  __sys_sendmsg (net/socket.c:2799)
[  427.010053][ T8401]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  427.010055][ T8401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.010057][ T8401]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  427.010059][ T8401]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  427.010060][ T8401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  427.010062][ T8401] RIP: 0033:0x7fd43af3854e
[  427.010064][ T8401] 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
[  427.010065][ T8401] RSP: 002b:00007ffd43cca7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  427.010069][ T8401] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd43af3854e
[  427.010071][ T8401] RDX: 0000000000000000 RSI: 00007ffd43cca850 RDI: 0000000000000005
[  427.010072][ T8401] RBP: 00007ffd43cca7b0 R08: 0000000000000000 R09: 0000000000000000
[  427.010072][ T8401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ea9d
[  427.010073][ T8401] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd43ccaf10
| [  428.061478][ T8458] softirqs last disabled at (0): 0x0
| [  428.061480][ T8458] Preemption disabled at:
| [  428.061481][ T8458] vprintk_emit (kernel/printk/printk.c:2471)
| [  428.061491][ T8458] Tainted: [W]=WARN
[  428.061492][ T8458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  428.061494][ T8458] Call Trace:
[  428.061496][ T8458]  <TASK>
[  428.061497][ T8458]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  428.061502][ T8458]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  428.061504][ T8458]  __might_resched.cold (kernel/sched/core.c:9234)
[  428.061508][ T8458]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  428.061510][ T8458]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  428.061513][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061516][ T8458]  __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))
[  428.061519][ T8458]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  428.061522][ T8458]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  428.061527][ T8458]  ? 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)
[  428.061529][ T8458]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  428.061532][ T8458]  put_chars (drivers/char/virtio_console.c:1176)
[  428.061533][ T8458]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  428.061535][ T8458]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  428.061538][ T8458]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  428.061542][ T8458]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  428.061544][ T8458]  ? vsnprintf (lib/vsprintf.c:2900)
[  428.061548][ T8458]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  428.061549][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061550][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061552][ T8458]  console_emit_next_record (kernel/printk/printk.c:3183)
[  428.061555][ T8458]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  428.061557][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061558][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061559][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061560][ T8458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.061562][ T8458]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  428.061564][ T8458]  console_flush_one_record (kernel/printk/printk.c:3268)
[  428.061566][ T8458]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  428.061569][ T8458]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  428.061571][ T8458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.061573][ T8458]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  428.061574][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061575][ T8458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  428.061577][ T8458]  ? 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)
[  428.061578][ T8458]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  428.061580][ T8458]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  428.061582][ T8458]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  428.061583][ T8458]  vprintk_emit (kernel/printk/printk.c:2479)
[  428.061585][ T8458]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  428.061586][ T8458]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  428.061588][ T8458]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  428.061591][ T8458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.061592][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061594][ T8458]  _printk (kernel/printk/printk.c:2504)
[  428.061597][ T8458]  ? snapshot_read.cold (user.c:?)
[  428.061599][ T8458]  ? br_multicast_flood (??:?)
[  428.061602][ T8458]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  428.061605][ T8458]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  428.061606][ T8458]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  428.061608][ T8458]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  428.061611][ T8458]  br_init_port (net/bridge/br_stp_if.c:39)
[  428.061612][ T8458]  new_nbp (net/bridge/br_if.c:449)
[  428.061615][ T8458]  br_add_if (net/bridge/br_if.c:592)
[  428.061617][ T8458]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  428.061621][ T8458]  do_set_master (net/core/rtnetlink.c:3071)
[  428.061622][ T8458]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  428.061624][ T8458]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  428.061626][ T8458]  ? __dev_get_by_name (net/core/dev.c:905)
[  428.061627][ T8458]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  428.061631][ T8458]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  428.061634][ T8458]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  428.061636][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061637][ T8458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  428.061638][ T8458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.061640][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061641][ T8458]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  428.061644][ T8458]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  428.061648][ T8458]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  428.061651][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061652][ T8458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.061653][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061655][ T8458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  428.061656][ T8458]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  428.061658][ T8458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  428.061659][ T8458]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  428.061660][ T8458]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  428.061664][ T8458]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  428.061667][ T8458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  428.061669][ T8458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  428.061670][ T8458]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  428.061672][ T8458]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  428.061675][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061676][ T8458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  428.061678][ T8458]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  428.061680][ T8458]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  428.061682][ T8458]  ? next_uptodate_folio (mm/filemap.c:3747)
[  428.061685][ T8458]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  428.061688][ T8458]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  428.061690][ T8458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.061691][ T8458]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  428.061695][ T8458]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  428.061697][ T8458]  ____sys_sendmsg (net/socket.c:2713)
[  428.061699][ T8458]  ? copy_msghdr_from_user (net/socket.c:2650)
[  428.061701][ T8458]  ? sock_write_iter (net/socket.c:1269)
[  428.061702][ T8458]  ? move_addr_to_kernel (net/socket.c:258)
[  428.061704][ T8458]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  428.061707][ T8458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.061709][ T8458]  ___sys_sendmsg (net/socket.c:2767)
[  428.061710][ T8458]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  428.061712][ T8458]  ? copy_msghdr_from_user (net/socket.c:2619)
[  428.061714][ T8458]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  428.061718][ T8458]  __sys_sendmsg (net/socket.c:2799)
[  428.061720][ T8458]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  428.061723][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061724][ T8458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.061726][ T8458]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  428.061728][ T8458]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  428.061730][ T8458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  428.061732][ T8458] RIP: 0033:0x7ff060ef054e
[  428.061734][ T8458] 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
[  428.061736][ T8458] RSP: 002b:00007fff8c8e82c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  428.061740][ T8458] RAX: ffffffffffffffda RBX: 00007fff8c8e8a88 RCX: 00007ff060ef054e
[  428.061741][ T8458] RDX: 0000000000000000 RSI: 00007fff8c8e8370 RDI: 0000000000000005
[  428.061742][ T8458] RBP: 00007fff8c8e82d0 R08: 0000000000000000 R09: 0000000000000000
[  428.061743][ T8458] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ea9e
[  428.061744][ T8458] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8c8e8a40
| [  433.623865][ T8492] softirqs last disabled at (0): 0x0
| [  433.623867][ T8492] Preemption disabled at:
| [  433.623868][ T8492] vprintk_emit (kernel/printk/printk.c:2471)
| [  433.623878][ T8492] Tainted: [W]=WARN
[  433.623879][ T8492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  433.623881][ T8492] Call Trace:
[  433.623882][ T8492]  <TASK>
[  433.623883][ T8492]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  433.623889][ T8492]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  433.623890][ T8492]  __might_resched.cold (kernel/sched/core.c:9234)
[  433.623894][ T8492]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  433.623898][ T8492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.623901][ T8492]  __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))
[  433.623904][ T8492]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  433.623907][ T8492]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  433.623912][ T8492]  ? 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)
[  433.623914][ T8492]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  433.623917][ T8492]  put_chars (drivers/char/virtio_console.c:1176)
[  433.623918][ T8492]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  433.623921][ T8492]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  433.623922][ T8492]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  433.623925][ T8492]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  433.623930][ T8492]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  433.623931][ T8492]  ? 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)
[  433.623933][ T8492]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  433.623935][ T8492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.623936][ T8492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.623937][ T8492]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.623940][ T8492]  console_emit_next_record (kernel/printk/printk.c:3183)
[  433.623942][ T8492]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  433.623944][ T8492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.623945][ T8492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.623946][ T8492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.623947][ T8492]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.623949][ T8492]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  433.623951][ T8492]  console_flush_one_record (kernel/printk/printk.c:3268)
[  433.623954][ T8492]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  433.623956][ T8492]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  433.623958][ T8492]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.623960][ T8492]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  433.623961][ T8492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.623962][ T8492]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  433.623964][ T8492]  ? 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)
[  433.623966][ T8492]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  433.623967][ T8492]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  433.623969][ T8492]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  433.623970][ T8492]  vprintk_emit (kernel/printk/printk.c:2479)
[  433.623972][ T8492]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  433.623975][ T8492]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  433.623977][ T8492]  _printk (kernel/printk/printk.c:2504)
[  433.623980][ T8492]  ? snapshot_read.cold (user.c:?)
[  433.623983][ T8492]  ? 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)
[  433.623985][ T8492] gact_init_module (net/sched/act_gact.c:180) act_gact
[  433.623987][ T8492]  do_one_initcall (init/main.c:1357)
[  433.623989][ T8492]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  433.623992][ T8492]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  433.623994][ T8492]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  433.623998][ T8492]  do_init_module (kernel/module/main.c:3117)
[  433.624000][ T8492]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  433.624001][ T8492]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  433.624003][ T8492]  load_module (kernel/module/main.c:3593)
[  433.624005][ T8492]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  433.624009][ T8492]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  433.624011][ T8492]  ? __ia32_sys_fsconfig (??:?)
[  433.624014][ T8492]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.624016][ T8492]  init_module_from_file (kernel/module/main.c:3790)
[  433.624017][ T8492]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  433.624019][ T8492]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  433.624021][ T8492]  ? handle_pte_fault (mm/memory.c:6558)
[  433.624023][ T8492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.624024][ T8492]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  433.624027][ T8492]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  433.624029][ T8492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.624030][ T8492]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  433.624031][ T8492]  ? 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)
[  433.624033][ T8492]  idempotent_init_module (kernel/module/main.c:3802)
[  433.624035][ T8492]  ? init_module_from_file (kernel/module/main.c:3791)
[  433.624037][ T8492]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  433.624039][ T8492]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  433.624041][ T8492]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  433.624042][ T8492]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  433.624050][ T8492]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  433.624054][ T8492]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  433.624056][ T8492]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  433.624058][ T8492] RIP: 0033:0x7fecd2ee837d
[  433.624060][ T8492] 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
[  433.624063][ T8492] RSP: 002b:00007fff9e876688 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  433.624066][ T8492] RAX: ffffffffffffffda RBX: 000055c83b885810 RCX: 00007fecd2ee837d
[  433.624068][ T8492] RDX: 0000000000000000 RSI: 000055c80ec4effd RDI: 0000000000000000
[  433.624069][ T8492] RBP: 00007fff9e876720 R08: 0000000000000000 R09: 0000000000000000
[  433.624070][ T8492] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c80ec4effd
[  433.624071][ T8492] R13: 000055c83b885960 R14: 0000000000040000 R15: 0000000000000000
| [  435.958036][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  435.958038][   T12] Preemption disabled at:
| [  435.958039][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  435.958049][   T12] Tainted: [W]=WARN
[  435.958050][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  435.958057][   T12] Workqueue: netns cleanup_net
[  435.958063][   T12] Call Trace:
[  435.958065][   T12]  <TASK>
[  435.958066][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  435.958072][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  435.958073][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  435.958077][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  435.958079][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  435.958082][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.958085][   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))
[  435.958088][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  435.958091][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  435.958096][   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)
[  435.958097][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  435.958100][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  435.958102][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  435.958104][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  435.958106][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  435.958111][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  435.958113][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  435.958115][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  435.958117][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.958118][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.958119][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  435.958122][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  435.958124][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.958125][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.958126][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.958127][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  435.958130][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  435.958132][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  435.958134][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  435.958137][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  435.958139][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  435.958140][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  435.958142][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.958143][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  435.958145][   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)
[  435.958147][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  435.958149][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  435.958151][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  435.958152][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  435.958154][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  435.958155][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  435.958157][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  435.958160][   T12]  ? kthread (kernel/kthread.c:436)
[  435.958162][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  435.958165][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  435.958168][   T12]  _printk (kernel/printk/printk.c:2504)
[  435.958171][   T12]  ? snapshot_read.cold (user.c:?)
[  435.958173][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  435.958176][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  435.958178][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  435.958181][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  435.958183][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.958184][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  435.958186][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  435.958189][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  435.958190][   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)
[  435.958192][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  435.958194][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  435.958197][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  435.958201][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  435.958203][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  435.958206][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  435.958208][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  435.958210][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  435.958212][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  435.958214][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  435.958216][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.958217][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  435.958219][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.958221][   T12]  process_one_work (kernel/workqueue.c:3387)
[  435.958224][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  435.958226][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  435.958228][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  435.958230][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  435.958233][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  435.958235][   T12]  kthread (kernel/kthread.c:436)
[  435.958237][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  435.958238][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  435.958240][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  435.958242][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  435.958244][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  435.958247][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  435.958249][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  437.119736][ T8680] softirqs last disabled at (0): 0x0
| [  437.119738][ T8680] Preemption disabled at:
| [  437.119739][ T8680] vprintk_emit (kernel/printk/printk.c:2471)
| [  437.119749][ T8680] Tainted: [W]=WARN
[  437.119750][ T8680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  437.119752][ T8680] Call Trace:
[  437.119754][ T8680]  <TASK>
[  437.119755][ T8680]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  437.119761][ T8680]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  437.119762][ T8680]  __might_resched.cold (kernel/sched/core.c:9234)
[  437.119766][ T8680]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  437.119768][ T8680]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  437.119771][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119773][ T8680]  __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))
[  437.119776][ T8680]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  437.119779][ T8680]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  437.119784][ T8680]  ? 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)
[  437.119786][ T8680]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  437.119788][ T8680]  put_chars (drivers/char/virtio_console.c:1176)
[  437.119790][ T8680]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  437.119791][ T8680]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  437.119794][ T8680]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  437.119799][ T8680]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  437.119800][ T8680]  ? vsnprintf (lib/vsprintf.c:2900)
[  437.119803][ T8680]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  437.119805][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119806][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119808][ T8680]  console_emit_next_record (kernel/printk/printk.c:3183)
[  437.119810][ T8680]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  437.119813][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119814][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119815][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119816][ T8680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.119818][ T8680]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  437.119820][ T8680]  console_flush_one_record (kernel/printk/printk.c:3268)
[  437.119822][ T8680]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  437.119825][ T8680]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  437.119827][ T8680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.119829][ T8680]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  437.119830][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119831][ T8680]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  437.119833][ T8680]  ? 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)
[  437.119834][ T8680]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  437.119836][ T8680]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  437.119838][ T8680]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  437.119839][ T8680]  vprintk_emit (kernel/printk/printk.c:2479)
[  437.119841][ T8680]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  437.119842][ T8680]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  437.119844][ T8680]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  437.119847][ T8680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.119848][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119850][ T8680]  _printk (kernel/printk/printk.c:2504)
[  437.119852][ T8680]  ? snapshot_read.cold (user.c:?)
[  437.119854][ T8680]  ? br_multicast_flood (??:?)
[  437.119858][ T8680]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  437.119861][ T8680]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  437.119862][ T8680]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  437.119864][ T8680]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  437.119866][ T8680]  br_init_port (net/bridge/br_stp_if.c:39)
[  437.119869][ T8680]  new_nbp (net/bridge/br_if.c:449)
[  437.119871][ T8680]  br_add_if (net/bridge/br_if.c:592)
[  437.119873][ T8680]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  437.119877][ T8680]  do_set_master (net/core/rtnetlink.c:3071)
[  437.119878][ T8680]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  437.119880][ T8680]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  437.119881][ T8680]  ? __dev_get_by_name (net/core/dev.c:905)
[  437.119883][ T8680]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  437.119887][ T8680]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  437.119889][ T8680]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  437.119891][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119893][ T8680]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  437.119894][ T8680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.119896][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119897][ T8680]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  437.119900][ T8680]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  437.119901][ T8680]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  437.119904][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119905][ T8680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.119906][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119907][ T8680]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  437.119909][ T8680]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  437.119910][ T8680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  437.119912][ T8680]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  437.119913][ T8680]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  437.119917][ T8680]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  437.119920][ T8680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  437.119922][ T8680]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  437.119923][ T8680]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  437.119925][ T8680]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  437.119928][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119929][ T8680]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  437.119931][ T8680]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  437.119934][ T8680]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  437.119935][ T8680]  ? next_uptodate_folio (mm/filemap.c:3747)
[  437.119938][ T8680]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  437.119941][ T8680]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  437.119943][ T8680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.119944][ T8680]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  437.119948][ T8680]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  437.119951][ T8680]  ____sys_sendmsg (net/socket.c:2713)
[  437.119952][ T8680]  ? copy_msghdr_from_user (net/socket.c:2650)
[  437.119954][ T8680]  ? sock_write_iter (net/socket.c:1269)
[  437.119956][ T8680]  ? move_addr_to_kernel (net/socket.c:258)
[  437.119958][ T8680]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  437.119960][ T8680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.119962][ T8680]  ___sys_sendmsg (net/socket.c:2767)
[  437.119964][ T8680]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  437.119966][ T8680]  ? copy_msghdr_from_user (net/socket.c:2619)
[  437.119967][ T8680]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  437.119972][ T8680]  __sys_sendmsg (net/socket.c:2799)
[  437.119974][ T8680]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  437.119976][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119978][ T8680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.119979][ T8680]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  437.119981][ T8680]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  437.119983][ T8680]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  437.119985][ T8680] RIP: 0033:0x7f747d36954e
[  437.119987][ T8680] 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
[  437.119989][ T8680] RSP: 002b:00007ffd9a1ce7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  437.119993][ T8680] RAX: ffffffffffffffda RBX: 00007ffd9a1cef78 RCX: 00007f747d36954e
[  437.119994][ T8680] RDX: 0000000000000000 RSI: 00007ffd9a1ce860 RDI: 0000000000000005
[  437.119995][ T8680] RBP: 00007ffd9a1ce7c0 R08: 0000000000000000 R09: 0000000000000000
[  437.119996][ T8680] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eaa7
[  437.119997][ T8680] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9a1cef30
| [  438.419866][ T8749] softirqs last disabled at (0): 0x0
| [  438.419868][ T8749] Preemption disabled at:
| [  438.419869][ T8749] vprintk_emit (kernel/printk/printk.c:2471)
| [  438.419879][ T8749] Tainted: [W]=WARN
[  438.419880][ T8749] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  438.419882][ T8749] Call Trace:
[  438.419884][ T8749]  <TASK>
[  438.419885][ T8749]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  438.419890][ T8749]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  438.419892][ T8749]  __might_resched.cold (kernel/sched/core.c:9234)
[  438.419896][ T8749]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  438.419899][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.419902][ T8749]  __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))
[  438.419904][ T8749]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  438.419907][ T8749]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  438.419912][ T8749]  ? 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)
[  438.419914][ T8749]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  438.419917][ T8749]  put_chars (drivers/char/virtio_console.c:1176)
[  438.419919][ T8749]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  438.419920][ T8749]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  438.419922][ T8749]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  438.419924][ T8749]  ? pointer (lib/vsprintf.c:2577)
[  438.419928][ T8749]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  438.419933][ T8749]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  438.419934][ T8749]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  438.419936][ T8749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.419939][ T8749]  console_emit_next_record (kernel/printk/printk.c:3183)
[  438.419942][ T8749]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  438.419944][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.419945][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.419946][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.419947][ T8749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.419949][ T8749]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  438.419951][ T8749]  console_flush_one_record (kernel/printk/printk.c:3268)
[  438.419953][ T8749]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  438.419956][ T8749]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  438.419958][ T8749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.419959][ T8749]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  438.419961][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.419962][ T8749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  438.419964][ T8749]  ? 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)
[  438.419965][ T8749]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  438.419967][ T8749]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  438.419969][ T8749]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  438.419970][ T8749]  vprintk_emit (kernel/printk/printk.c:2479)
[  438.419972][ T8749]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  438.419973][ T8749]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  438.419976][ T8749]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  438.419979][ T8749]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  438.419982][ T8749]  _printk (kernel/printk/printk.c:2504)
[  438.419985][ T8749]  ? snapshot_read.cold (user.c:?)
[  438.419987][ T8749]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  438.419989][ T8749]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  438.419992][ T8749]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  438.419994][ T8749]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  438.419997][ T8749]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  438.419999][ T8749]  ? netdev_notice (net/core/dev.c:13194)
[  438.420001][ T8749]  ? 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)
[  438.420003][ T8749]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  438.420006][ T8749]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  438.420007][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420008][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420009][ T8749]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  438.420011][ T8749]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  438.420012][ T8749]  ? 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)
[  438.420014][ T8749]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  438.420015][ T8749]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  438.420017][ T8749]  ? register_netdev (net/core/dev.c:11618)
[  438.420018][ T8749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  438.420020][ T8749]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  438.420022][ T8749]  ? __kernel_text_address (kernel/extable.c:79)
[  438.420025][ T8749]  ? write_profile (profile.c:?)
[  438.420028][ T8749]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  438.420031][ T8749]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  438.420033][ T8749]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  438.420034][ T8749]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  438.420036][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420037][ T8749]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  438.420040][ T8749]  ? kasan_save_stack (mm/kasan/common.c:58)
[  438.420042][ T8749]  ? kasan_save_stack (mm/kasan/common.c:57)
[  438.420043][ T8749]  ? kasan_save_track (mm/kasan/common.c:78)
[  438.420044][ T8749]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  438.420045][ T8749]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  438.420047][ T8749]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  438.420048][ T8749]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  438.420049][ T8749]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  438.420052][ T8749]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  438.420054][ T8749]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  438.420055][ T8749]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  438.420058][ T8749]  ? ____sys_sendmsg (net/socket.c:2713)
[  438.420063][ T8749]  ? ___sys_sendmsg (net/socket.c:2767)
[  438.420064][ T8749]  ? __sys_sendmsg (net/socket.c:2799)
[  438.420066][ T8749]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  438.420069][ T8749]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  438.420071][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420072][ T8749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.420074][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420075][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420076][ T8749]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  438.420078][ T8749]  ? __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)
[  438.420079][ T8749]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  438.420080][ T8749]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  438.420082][ T8749]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  438.420083][ T8749]  ? nla_get_range_signed (lib/nlattr.c:270)
[  438.420086][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420087][ T8749]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  438.420089][ T8749]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  438.420091][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420092][ T8749]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  438.420093][ T8749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.420095][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420096][ T8749]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  438.420099][ T8749]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  438.420100][ T8749]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  438.420102][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420103][ T8749]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  438.420106][ T8749]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  438.420108][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420110][ T8749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.420111][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420112][ T8749]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  438.420114][ T8749]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  438.420115][ T8749]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  438.420117][ T8749]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  438.420118][ T8749]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  438.420121][ T8749]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  438.420122][ T8749]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  438.420124][ T8749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  438.420125][ T8749]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  438.420127][ T8749]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  438.420130][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420131][ T8749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  438.420133][ T8749]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  438.420136][ T8749]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  438.420137][ T8749]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  438.420139][ T8749]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  438.420141][ T8749]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  438.420143][ T8749]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  438.420145][ T8749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.420146][ T8749]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  438.420150][ T8749]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  438.420151][ T8749]  ____sys_sendmsg (net/socket.c:2713)
[  438.420153][ T8749]  ? copy_msghdr_from_user (net/socket.c:2650)
[  438.420155][ T8749]  ? sock_write_iter (net/socket.c:1269)
[  438.420156][ T8749]  ? move_addr_to_kernel (net/socket.c:258)
[  438.420158][ T8749]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  438.420160][ T8749]  ___sys_sendmsg (net/socket.c:2767)
[  438.420162][ T8749]  ? copy_msghdr_from_user (net/socket.c:2619)
[  438.420167][ T8749]  __sys_sendmsg (net/socket.c:2799)
[  438.420169][ T8749]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  438.420172][ T8749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.420173][ T8749]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  438.420175][ T8749]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  438.420177][ T8749]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  438.420178][ T8749] RIP: 0033:0x7f2be435554e
[  438.420180][ T8749] 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
[  438.420182][ T8749] RSP: 002b:00007ffd40e00730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  438.420186][ T8749] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2be435554e
[  438.420187][ T8749] RDX: 0000000000000000 RSI: 00007ffd40e007e0 RDI: 0000000000000005
[  438.420188][ T8749] RBP: 00007ffd40e00740 R08: 0000000000000000 R09: 0000000000000000
[  438.420189][ T8749] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eaa8
[  438.420190][ T8749] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd40e00ea0
| [  439.463431][ T8799] softirqs last disabled at (0): 0x0
| [  439.463433][ T8799] Preemption disabled at:
| [  439.463433][ T8799] vprintk_emit (kernel/printk/printk.c:2471)
| [  439.463443][ T8799] Tainted: [W]=WARN
[  439.463444][ T8799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  439.463446][ T8799] Call Trace:
[  439.463447][ T8799]  <TASK>
[  439.463448][ T8799]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  439.463454][ T8799]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  439.463455][ T8799]  __might_resched.cold (kernel/sched/core.c:9234)
[  439.463459][ T8799]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  439.463461][ T8799]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  439.463464][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463467][ T8799]  __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))
[  439.463470][ T8799]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  439.463473][ T8799]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  439.463478][ T8799]  ? 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)
[  439.463480][ T8799]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  439.463482][ T8799]  put_chars (drivers/char/virtio_console.c:1176)
[  439.463484][ T8799]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  439.463486][ T8799]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  439.463488][ T8799]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  439.463493][ T8799]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  439.463495][ T8799]  ? vsnprintf (lib/vsprintf.c:2900)
[  439.463498][ T8799]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  439.463499][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463501][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463502][ T8799]  console_emit_next_record (kernel/printk/printk.c:3183)
[  439.463505][ T8799]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  439.463507][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463508][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463509][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463510][ T8799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.463513][ T8799]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  439.463514][ T8799]  console_flush_one_record (kernel/printk/printk.c:3268)
[  439.463517][ T8799]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  439.463519][ T8799]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  439.463521][ T8799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.463523][ T8799]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  439.463525][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463526][ T8799]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  439.463527][ T8799]  ? 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)
[  439.463529][ T8799]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  439.463530][ T8799]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  439.463532][ T8799]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  439.463533][ T8799]  vprintk_emit (kernel/printk/printk.c:2479)
[  439.463535][ T8799]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  439.463537][ T8799]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  439.463538][ T8799]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  439.463541][ T8799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.463542][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463544][ T8799]  _printk (kernel/printk/printk.c:2504)
[  439.463547][ T8799]  ? snapshot_read.cold (user.c:?)
[  439.463549][ T8799]  ? br_multicast_flood (??:?)
[  439.463552][ T8799]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  439.463555][ T8799]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  439.463556][ T8799]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  439.463558][ T8799]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  439.463561][ T8799]  br_init_port (net/bridge/br_stp_if.c:39)
[  439.463563][ T8799]  new_nbp (net/bridge/br_if.c:449)
[  439.463565][ T8799]  br_add_if (net/bridge/br_if.c:592)
[  439.463567][ T8799]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  439.463571][ T8799]  do_set_master (net/core/rtnetlink.c:3071)
[  439.463573][ T8799]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  439.463574][ T8799]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  439.463576][ T8799]  ? __dev_get_by_name (net/core/dev.c:905)
[  439.463578][ T8799]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  439.463582][ T8799]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  439.463584][ T8799]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  439.463586][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463587][ T8799]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  439.463588][ T8799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.463590][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463591][ T8799]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  439.463594][ T8799]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  439.463596][ T8799]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  439.463599][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463600][ T8799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.463601][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463602][ T8799]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  439.463604][ T8799]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  439.463605][ T8799]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  439.463607][ T8799]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  439.463608][ T8799]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  439.463612][ T8799]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  439.463615][ T8799]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  439.463616][ T8799]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  439.463618][ T8799]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  439.463620][ T8799]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  439.463623][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463624][ T8799]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  439.463626][ T8799]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  439.463628][ T8799]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  439.463630][ T8799]  ? next_uptodate_folio (mm/filemap.c:3747)
[  439.463633][ T8799]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  439.463635][ T8799]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  439.463637][ T8799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.463638][ T8799]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  439.463642][ T8799]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  439.463644][ T8799]  ____sys_sendmsg (net/socket.c:2713)
[  439.463648][ T8799]  ? copy_msghdr_from_user (net/socket.c:2650)
[  439.463650][ T8799]  ? sock_write_iter (net/socket.c:1269)
[  439.463651][ T8799]  ? move_addr_to_kernel (net/socket.c:258)
[  439.463654][ T8799]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  439.463656][ T8799]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.463658][ T8799]  ___sys_sendmsg (net/socket.c:2767)
[  439.463660][ T8799]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  439.463661][ T8799]  ? copy_msghdr_from_user (net/socket.c:2619)
[  439.463663][ T8799]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  439.463667][ T8799]  __sys_sendmsg (net/socket.c:2799)
[  439.463670][ T8799]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  439.463672][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463673][ T8799]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.463675][ T8799]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  439.463677][ T8799]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  439.463679][ T8799]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  439.463681][ T8799] RIP: 0033:0x7fdb19dd354e
[  439.463683][ T8799] 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
[  439.463685][ T8799] RSP: 002b:00007ffdf2e5efc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  439.463689][ T8799] RAX: ffffffffffffffda RBX: 00007ffdf2e5f788 RCX: 00007fdb19dd354e
[  439.463690][ T8799] RDX: 0000000000000000 RSI: 00007ffdf2e5f070 RDI: 0000000000000005
[  439.463691][ T8799] RBP: 00007ffdf2e5efd0 R08: 0000000000000000 R09: 0000000000000000
[  439.463692][ T8799] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eaa9
[  439.463693][ T8799] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf2e5f740
| [  447.183188][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  447.183191][   T12] Preemption disabled at:
| [  447.183192][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  447.183202][   T12] Tainted: [W]=WARN
[  447.183203][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  447.183205][   T12] Workqueue: netns cleanup_net
[  447.183211][   T12] Call Trace:
[  447.183213][   T12]  <TASK>
[  447.183214][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  447.183220][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  447.183221][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  447.183225][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  447.183227][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  447.183230][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.183233][   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))
[  447.183236][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  447.183239][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  447.183243][   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)
[  447.183245][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  447.183248][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  447.183249][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  447.183251][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  447.183254][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  447.183258][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  447.183260][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  447.183263][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  447.183264][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.183265][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.183267][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  447.183270][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  447.183272][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.183273][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.183274][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.183275][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.183278][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  447.183280][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  447.183282][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  447.183285][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  447.183287][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.183288][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  447.183290][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.183291][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  447.183293][   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)
[  447.183294][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  447.183296][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  447.183298][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  447.183299][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  447.183301][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  447.183302][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  447.183304][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  447.183306][   T12]  ? kthread (kernel/kthread.c:436)
[  447.183308][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  447.183311][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  447.183314][   T12]  _printk (kernel/printk/printk.c:2504)
[  447.183317][   T12]  ? snapshot_read.cold (user.c:?)
[  447.183319][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  447.183322][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  447.183324][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  447.183326][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  447.183329][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.183330][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  447.183331][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  447.183335][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  447.183336][   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)
[  447.183338][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  447.183340][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  447.183342][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  447.183346][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  447.183348][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  447.183351][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  447.183353][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  447.183355][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  447.183358][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  447.183359][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  447.183361][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.183363][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.183364][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.183366][   T12]  process_one_work (kernel/workqueue.c:3387)
[  447.183369][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  447.183371][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  447.183373][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  447.183375][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  447.183378][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  447.183380][   T12]  kthread (kernel/kthread.c:436)
[  447.183382][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  447.183383][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  447.183385][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  447.183387][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  447.183389][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  447.183392][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  447.183394][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  448.355661][ T9019] softirqs last disabled at (0): 0x0
| [  448.355663][ T9019] Preemption disabled at:
| [  448.355664][ T9019] vprintk_emit (kernel/printk/printk.c:2471)
| [  448.355674][ T9019] Tainted: [W]=WARN
[  448.355675][ T9019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  448.355677][ T9019] Call Trace:
[  448.355679][ T9019]  <TASK>
[  448.355680][ T9019]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  448.355685][ T9019]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  448.355687][ T9019]  __might_resched.cold (kernel/sched/core.c:9234)
[  448.355690][ T9019]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  448.355692][ T9019]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  448.355696][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355698][ T9019]  __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))
[  448.355701][ T9019]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  448.355704][ T9019]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  448.355709][ T9019]  ? 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)
[  448.355711][ T9019]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  448.355714][ T9019]  put_chars (drivers/char/virtio_console.c:1176)
[  448.355715][ T9019]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  448.355717][ T9019]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  448.355720][ T9019]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  448.355724][ T9019]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  448.355726][ T9019]  ? vsnprintf (lib/vsprintf.c:2900)
[  448.355729][ T9019]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  448.355731][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355732][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355734][ T9019]  console_emit_next_record (kernel/printk/printk.c:3183)
[  448.355736][ T9019]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  448.355738][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355739][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355740][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355741][ T9019]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.355744][ T9019]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  448.355746][ T9019]  console_flush_one_record (kernel/printk/printk.c:3268)
[  448.355748][ T9019]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  448.355751][ T9019]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  448.355752][ T9019]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.355754][ T9019]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  448.355756][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355757][ T9019]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  448.355759][ T9019]  ? 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)
[  448.355760][ T9019]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  448.355762][ T9019]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  448.355763][ T9019]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  448.355765][ T9019]  vprintk_emit (kernel/printk/printk.c:2479)
[  448.355766][ T9019]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  448.355768][ T9019]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  448.355769][ T9019]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  448.355772][ T9019]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.355774][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355775][ T9019]  _printk (kernel/printk/printk.c:2504)
[  448.355778][ T9019]  ? snapshot_read.cold (user.c:?)
[  448.355780][ T9019]  ? br_multicast_flood (??:?)
[  448.355784][ T9019]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  448.355786][ T9019]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  448.355788][ T9019]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  448.355789][ T9019]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  448.355792][ T9019]  br_init_port (net/bridge/br_stp_if.c:39)
[  448.355794][ T9019]  new_nbp (net/bridge/br_if.c:449)
[  448.355796][ T9019]  br_add_if (net/bridge/br_if.c:592)
[  448.355798][ T9019]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  448.355802][ T9019]  do_set_master (net/core/rtnetlink.c:3071)
[  448.355804][ T9019]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  448.355806][ T9019]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  448.355807][ T9019]  ? __dev_get_by_name (net/core/dev.c:905)
[  448.355809][ T9019]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  448.355813][ T9019]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  448.355815][ T9019]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  448.355817][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355818][ T9019]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  448.355820][ T9019]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.355821][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355822][ T9019]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  448.355825][ T9019]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  448.355827][ T9019]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  448.355829][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355830][ T9019]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.355832][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355833][ T9019]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  448.355834][ T9019]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  448.355836][ T9019]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  448.355838][ T9019]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  448.355839][ T9019]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  448.355843][ T9019]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  448.355846][ T9019]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  448.355847][ T9019]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  448.355849][ T9019]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  448.355850][ T9019]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  448.355853][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355855][ T9019]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  448.355857][ T9019]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  448.355859][ T9019]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  448.355861][ T9019]  ? next_uptodate_folio (mm/filemap.c:3747)
[  448.355864][ T9019]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  448.355866][ T9019]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  448.355868][ T9019]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.355870][ T9019]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  448.355873][ T9019]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  448.355876][ T9019]  ____sys_sendmsg (net/socket.c:2713)
[  448.355878][ T9019]  ? copy_msghdr_from_user (net/socket.c:2650)
[  448.355879][ T9019]  ? sock_write_iter (net/socket.c:1269)
[  448.355881][ T9019]  ? move_addr_to_kernel (net/socket.c:258)
[  448.355883][ T9019]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  448.355886][ T9019]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.355888][ T9019]  ___sys_sendmsg (net/socket.c:2767)
[  448.355889][ T9019]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  448.355891][ T9019]  ? copy_msghdr_from_user (net/socket.c:2619)
[  448.355893][ T9019]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  448.355897][ T9019]  __sys_sendmsg (net/socket.c:2799)
[  448.355899][ T9019]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  448.355901][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355903][ T9019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.355904][ T9019]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  448.355906][ T9019]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  448.355908][ T9019]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  448.355910][ T9019] RIP: 0033:0x7fd06866254e
[  448.355912][ T9019] 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
[  448.355914][ T9019] RSP: 002b:00007ffda36e7400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  448.355918][ T9019] RAX: ffffffffffffffda RBX: 00007ffda36e7bc8 RCX: 00007fd06866254e
[  448.355920][ T9019] RDX: 0000000000000000 RSI: 00007ffda36e74b0 RDI: 0000000000000005
[  448.355921][ T9019] RBP: 00007ffda36e7410 R08: 0000000000000000 R09: 0000000000000000
[  448.355922][ T9019] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eab2
[  448.355923][ T9019] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda36e7b80
| [  449.629778][ T9086] softirqs last disabled at (0): 0x0
| [  449.629780][ T9086] Preemption disabled at:
| [  449.629780][ T9086] vprintk_emit (kernel/printk/printk.c:2471)
| [  449.629791][ T9086] Tainted: [W]=WARN
[  449.629792][ T9086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  449.629794][ T9086] Call Trace:
[  449.629795][ T9086]  <TASK>
[  449.629797][ T9086]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  449.629802][ T9086]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  449.629804][ T9086]  __might_resched.cold (kernel/sched/core.c:9234)
[  449.629808][ T9086]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  449.629811][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.629814][ T9086]  __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))
[  449.629817][ T9086]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  449.629820][ T9086]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  449.629825][ T9086]  ? 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)
[  449.629827][ T9086]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  449.629829][ T9086]  put_chars (drivers/char/virtio_console.c:1176)
[  449.629831][ T9086]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  449.629832][ T9086]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  449.629835][ T9086]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  449.629837][ T9086]  ? pointer (lib/vsprintf.c:2577)
[  449.629841][ T9086]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  449.629846][ T9086]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  449.629848][ T9086]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  449.629850][ T9086]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.629852][ T9086]  console_emit_next_record (kernel/printk/printk.c:3183)
[  449.629855][ T9086]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  449.629857][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.629858][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.629859][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.629860][ T9086]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.629862][ T9086]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  449.629864][ T9086]  console_flush_one_record (kernel/printk/printk.c:3268)
[  449.629867][ T9086]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  449.629870][ T9086]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  449.629872][ T9086]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.629873][ T9086]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  449.629875][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.629876][ T9086]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  449.629878][ T9086]  ? 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)
[  449.629879][ T9086]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  449.629881][ T9086]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  449.629883][ T9086]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  449.629885][ T9086]  vprintk_emit (kernel/printk/printk.c:2479)
[  449.629886][ T9086]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  449.629888][ T9086]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  449.629890][ T9086]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  449.629894][ T9086]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  449.629896][ T9086]  _printk (kernel/printk/printk.c:2504)
[  449.629899][ T9086]  ? snapshot_read.cold (user.c:?)
[  449.629901][ T9086]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  449.629903][ T9086]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  449.629907][ T9086]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  449.629909][ T9086]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  449.629912][ T9086]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  449.629914][ T9086]  ? netdev_notice (net/core/dev.c:13194)
[  449.629916][ T9086]  ? 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)
[  449.629918][ T9086]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  449.629921][ T9086]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  449.629923][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.629924][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.629925][ T9086]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  449.629927][ T9086]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  449.629929][ T9086]  ? 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)
[  449.629930][ T9086]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  449.629931][ T9086]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  449.629933][ T9086]  ? register_netdev (net/core/dev.c:11618)
[  449.629935][ T9086]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  449.629937][ T9086]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  449.629939][ T9086]  ? __kernel_text_address (kernel/extable.c:79)
[  449.629942][ T9086]  ? write_profile (profile.c:?)
[  449.629945][ T9086]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  449.629948][ T9086]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  449.629950][ T9086]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  449.629951][ T9086]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  449.629953][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.629954][ T9086]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  449.629958][ T9086]  ? kasan_save_stack (mm/kasan/common.c:58)
[  449.629960][ T9086]  ? kasan_save_stack (mm/kasan/common.c:57)
[  449.629961][ T9086]  ? kasan_save_track (mm/kasan/common.c:78)
[  449.629962][ T9086]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  449.629963][ T9086]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  449.629965][ T9086]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  449.629966][ T9086]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  449.629967][ T9086]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  449.629970][ T9086]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  449.629972][ T9086]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  449.629974][ T9086]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  449.629976][ T9086]  ? ____sys_sendmsg (net/socket.c:2713)
[  449.629978][ T9086]  ? ___sys_sendmsg (net/socket.c:2767)
[  449.629979][ T9086]  ? __sys_sendmsg (net/socket.c:2799)
[  449.629981][ T9086]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  449.629984][ T9086]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  449.629986][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.629988][ T9086]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.629989][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.629990][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.629992][ T9086]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  449.629993][ T9086]  ? __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)
[  449.629994][ T9086]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  449.629996][ T9086]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  449.629997][ T9086]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  449.629999][ T9086]  ? nla_get_range_signed (lib/nlattr.c:270)
[  449.630002][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.630003][ T9086]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  449.630005][ T9086]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  449.630007][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.630009][ T9086]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  449.630010][ T9086]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.630012][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.630013][ T9086]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  449.630016][ T9086]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  449.630017][ T9086]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  449.630019][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.630020][ T9086]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  449.630023][ T9086]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  449.630026][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.630027][ T9086]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.630029][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.630030][ T9086]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  449.630031][ T9086]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  449.630033][ T9086]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  449.630035][ T9086]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  449.630036][ T9086]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  449.630039][ T9086]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  449.630041][ T9086]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  449.630042][ T9086]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  449.630044][ T9086]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  449.630046][ T9086]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  449.630049][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.630050][ T9086]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  449.630053][ T9086]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  449.630055][ T9086]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  449.630057][ T9086]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  449.630059][ T9086]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  449.630061][ T9086]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  449.630063][ T9086]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  449.630065][ T9086]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.630067][ T9086]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  449.630070][ T9086]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  449.630072][ T9086]  ____sys_sendmsg (net/socket.c:2713)
[  449.630074][ T9086]  ? copy_msghdr_from_user (net/socket.c:2650)
[  449.630076][ T9086]  ? sock_write_iter (net/socket.c:1269)
[  449.630077][ T9086]  ? move_addr_to_kernel (net/socket.c:258)
[  449.630079][ T9086]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  449.630082][ T9086]  ___sys_sendmsg (net/socket.c:2767)
[  449.630084][ T9086]  ? copy_msghdr_from_user (net/socket.c:2619)
[  449.630089][ T9086]  __sys_sendmsg (net/socket.c:2799)
[  449.630091][ T9086]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  449.630099][ T9086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.630101][ T9086]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  449.630103][ T9086]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  449.630105][ T9086]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  449.630106][ T9086] RIP: 0033:0x7f5daf1ce54e
[  449.630108][ T9086] 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
[  449.630110][ T9086] RSP: 002b:00007ffdfcc65210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  449.630114][ T9086] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5daf1ce54e
[  449.630116][ T9086] RDX: 0000000000000000 RSI: 00007ffdfcc652c0 RDI: 0000000000000005
[  449.630117][ T9086] RBP: 00007ffdfcc65220 R08: 0000000000000000 R09: 0000000000000000
[  449.630117][ T9086] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eab3
[  449.630118][ T9086] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfcc65980
| [  450.749185][ T9145] softirqs last disabled at (0): 0x0
| [  450.749187][ T9145] Preemption disabled at:
| [  450.749188][ T9145] vprintk_emit (kernel/printk/printk.c:2471)
| [  450.749198][ T9145] Tainted: [W]=WARN
[  450.749199][ T9145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  450.749201][ T9145] Call Trace:
[  450.749202][ T9145]  <TASK>
[  450.749204][ T9145]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  450.749209][ T9145]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  450.749211][ T9145]  __might_resched.cold (kernel/sched/core.c:9234)
[  450.749214][ T9145]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  450.749216][ T9145]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  450.749219][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749222][ T9145]  __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))
[  450.749225][ T9145]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  450.749228][ T9145]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  450.749233][ T9145]  ? 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)
[  450.749235][ T9145]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  450.749238][ T9145]  put_chars (drivers/char/virtio_console.c:1176)
[  450.749239][ T9145]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  450.749241][ T9145]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  450.749244][ T9145]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  450.749249][ T9145]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  450.749250][ T9145]  ? vsnprintf (lib/vsprintf.c:2900)
[  450.749254][ T9145]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  450.749255][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749256][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749258][ T9145]  console_emit_next_record (kernel/printk/printk.c:3183)
[  450.749261][ T9145]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  450.749263][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749264][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749265][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749266][ T9145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.749269][ T9145]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  450.749270][ T9145]  console_flush_one_record (kernel/printk/printk.c:3268)
[  450.749273][ T9145]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  450.749276][ T9145]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  450.749278][ T9145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.749279][ T9145]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  450.749281][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749282][ T9145]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  450.749283][ T9145]  ? 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)
[  450.749285][ T9145]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  450.749286][ T9145]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  450.749288][ T9145]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  450.749290][ T9145]  vprintk_emit (kernel/printk/printk.c:2479)
[  450.749292][ T9145]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  450.749293][ T9145]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  450.749294][ T9145]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  450.749297][ T9145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.749299][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749300][ T9145]  _printk (kernel/printk/printk.c:2504)
[  450.749303][ T9145]  ? snapshot_read.cold (user.c:?)
[  450.749306][ T9145]  ? br_multicast_flood (??:?)
[  450.749309][ T9145]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  450.749311][ T9145]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  450.749313][ T9145]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  450.749314][ T9145]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  450.749317][ T9145]  br_init_port (net/bridge/br_stp_if.c:39)
[  450.749319][ T9145]  new_nbp (net/bridge/br_if.c:449)
[  450.749321][ T9145]  br_add_if (net/bridge/br_if.c:592)
[  450.749323][ T9145]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  450.749327][ T9145]  do_set_master (net/core/rtnetlink.c:3071)
[  450.749329][ T9145]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  450.749330][ T9145]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  450.749332][ T9145]  ? __dev_get_by_name (net/core/dev.c:905)
[  450.749334][ T9145]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  450.749338][ T9145]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  450.749340][ T9145]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  450.749342][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749343][ T9145]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  450.749345][ T9145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.749346][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749348][ T9145]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  450.749350][ T9145]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  450.749352][ T9145]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  450.749354][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749355][ T9145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.749357][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749358][ T9145]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  450.749360][ T9145]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  450.749361][ T9145]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  450.749363][ T9145]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  450.749364][ T9145]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  450.749368][ T9145]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  450.749371][ T9145]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  450.749373][ T9145]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  450.749374][ T9145]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  450.749376][ T9145]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  450.749379][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749380][ T9145]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  450.749382][ T9145]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  450.749384][ T9145]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  450.749386][ T9145]  ? next_uptodate_folio (mm/filemap.c:3747)
[  450.749389][ T9145]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  450.749391][ T9145]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  450.749393][ T9145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.749395][ T9145]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  450.749398][ T9145]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  450.749401][ T9145]  ____sys_sendmsg (net/socket.c:2713)
[  450.749403][ T9145]  ? copy_msghdr_from_user (net/socket.c:2650)
[  450.749405][ T9145]  ? sock_write_iter (net/socket.c:1269)
[  450.749406][ T9145]  ? move_addr_to_kernel (net/socket.c:258)
[  450.749409][ T9145]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  450.749411][ T9145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.749413][ T9145]  ___sys_sendmsg (net/socket.c:2767)
[  450.749415][ T9145]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  450.749416][ T9145]  ? copy_msghdr_from_user (net/socket.c:2619)
[  450.749418][ T9145]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  450.749423][ T9145]  __sys_sendmsg (net/socket.c:2799)
[  450.749425][ T9145]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  450.749428][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749429][ T9145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.749430][ T9145]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  450.749433][ T9145]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  450.749435][ T9145]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  450.749437][ T9145] RIP: 0033:0x7f80f18dc54e
[  450.749439][ T9145] 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
[  450.749441][ T9145] RSP: 002b:00007ffef93059d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  450.749444][ T9145] RAX: ffffffffffffffda RBX: 00007ffef9306198 RCX: 00007f80f18dc54e
[  450.749446][ T9145] RDX: 0000000000000000 RSI: 00007ffef9305a80 RDI: 0000000000000005
[  450.749446][ T9145] RBP: 00007ffef93059e0 R08: 0000000000000000 R09: 0000000000000000
[  450.749447][ T9145] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eab5
[  450.749448][ T9145] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef9306150
| [  458.531668][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  458.531671][   T12] Preemption disabled at:
| [  458.531671][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  458.531681][   T12] Tainted: [W]=WARN
[  458.531682][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  458.531685][   T12] Workqueue: netns cleanup_net
[  458.531691][   T12] Call Trace:
[  458.531693][   T12]  <TASK>
[  458.531694][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  458.531700][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  458.531702][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  458.531705][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  458.531708][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  458.531711][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.531713][   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))
[  458.531716][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  458.531719][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  458.531724][   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)
[  458.531726][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  458.531728][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  458.531730][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  458.531732][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  458.531735][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  458.531739][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  458.531741][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  458.531743][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  458.531745][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.531746][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.531748][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  458.531750][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  458.531752][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.531753][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.531754][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.531755][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  458.531758][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  458.531760][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  458.531762][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  458.531765][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  458.531767][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  458.531768][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  458.531770][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.531771][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  458.531773][   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)
[  458.531774][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  458.531776][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  458.531778][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  458.531779][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  458.531781][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  458.531782][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  458.531783][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  458.531786][   T12]  ? kthread (kernel/kthread.c:436)
[  458.531788][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  458.531791][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  458.531794][   T12]  _printk (kernel/printk/printk.c:2504)
[  458.531797][   T12]  ? snapshot_read.cold (user.c:?)
[  458.531799][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  458.531802][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  458.531804][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  458.531807][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  458.531809][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.531810][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  458.531812][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  458.531815][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  458.531816][   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)
[  458.531818][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  458.531820][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  458.531822][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  458.531826][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  458.531828][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  458.531831][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  458.531833][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  458.531835][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  458.531837][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  458.531839][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  458.531841][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  458.531843][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  458.531845][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.531847][   T12]  process_one_work (kernel/workqueue.c:3387)
[  458.531850][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  458.531852][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  458.531854][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  458.531856][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  458.531859][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  458.531861][   T12]  kthread (kernel/kthread.c:436)
[  458.531863][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  458.531864][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  458.531866][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  458.531868][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  458.531870][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  458.531873][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  458.531875][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  459.876322][ T9364] softirqs last disabled at (0): 0x0
| [  459.876324][ T9364] Preemption disabled at:
| [  459.876325][ T9364] vprintk_emit (kernel/printk/printk.c:2471)
| [  459.876335][ T9364] Tainted: [W]=WARN
[  459.876337][ T9364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  459.876338][ T9364] Call Trace:
[  459.876340][ T9364]  <TASK>
[  459.876341][ T9364]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  459.876347][ T9364]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  459.876348][ T9364]  __might_resched.cold (kernel/sched/core.c:9234)
[  459.876352][ T9364]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  459.876354][ T9364]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  459.876358][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876360][ T9364]  __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))
[  459.876363][ T9364]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  459.876367][ T9364]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  459.876372][ T9364]  ? 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)
[  459.876374][ T9364]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  459.876376][ T9364]  put_chars (drivers/char/virtio_console.c:1176)
[  459.876378][ T9364]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  459.876379][ T9364]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  459.876382][ T9364]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  459.876387][ T9364]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  459.876388][ T9364]  ? vsnprintf (lib/vsprintf.c:2900)
[  459.876392][ T9364]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  459.876394][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876395][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876396][ T9364]  console_emit_next_record (kernel/printk/printk.c:3183)
[  459.876399][ T9364]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  459.876401][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876402][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876403][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876404][ T9364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.876407][ T9364]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  459.876408][ T9364]  console_flush_one_record (kernel/printk/printk.c:3268)
[  459.876411][ T9364]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  459.876413][ T9364]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  459.876415][ T9364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.876417][ T9364]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  459.876419][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876419][ T9364]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  459.876421][ T9364]  ? 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)
[  459.876423][ T9364]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  459.876424][ T9364]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  459.876426][ T9364]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  459.876428][ T9364]  vprintk_emit (kernel/printk/printk.c:2479)
[  459.876430][ T9364]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  459.876431][ T9364]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  459.876433][ T9364]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  459.876436][ T9364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.876437][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876439][ T9364]  _printk (kernel/printk/printk.c:2504)
[  459.876442][ T9364]  ? snapshot_read.cold (user.c:?)
[  459.876444][ T9364]  ? br_multicast_flood (??:?)
[  459.876447][ T9364]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  459.876450][ T9364]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  459.876452][ T9364]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  459.876453][ T9364]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  459.876456][ T9364]  br_init_port (net/bridge/br_stp_if.c:39)
[  459.876458][ T9364]  new_nbp (net/bridge/br_if.c:449)
[  459.876460][ T9364]  br_add_if (net/bridge/br_if.c:592)
[  459.876462][ T9364]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  459.876466][ T9364]  do_set_master (net/core/rtnetlink.c:3071)
[  459.876468][ T9364]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  459.876470][ T9364]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  459.876471][ T9364]  ? __dev_get_by_name (net/core/dev.c:905)
[  459.876473][ T9364]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  459.876476][ T9364]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  459.876479][ T9364]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  459.876481][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876482][ T9364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  459.876484][ T9364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.876485][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876486][ T9364]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  459.876489][ T9364]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  459.876491][ T9364]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  459.876493][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876494][ T9364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.876496][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876497][ T9364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  459.876498][ T9364]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  459.876500][ T9364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  459.876501][ T9364]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  459.876503][ T9364]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  459.876507][ T9364]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  459.876510][ T9364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  459.876511][ T9364]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  459.876513][ T9364]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  459.876514][ T9364]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  459.876517][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876518][ T9364]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  459.876520][ T9364]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  459.876523][ T9364]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  459.876525][ T9364]  ? next_uptodate_folio (mm/filemap.c:3747)
[  459.876527][ T9364]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  459.876530][ T9364]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  459.876532][ T9364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.876533][ T9364]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  459.876537][ T9364]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  459.876539][ T9364]  ____sys_sendmsg (net/socket.c:2713)
[  459.876541][ T9364]  ? copy_msghdr_from_user (net/socket.c:2650)
[  459.876543][ T9364]  ? sock_write_iter (net/socket.c:1269)
[  459.876544][ T9364]  ? move_addr_to_kernel (net/socket.c:258)
[  459.876546][ T9364]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  459.876549][ T9364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.876551][ T9364]  ___sys_sendmsg (net/socket.c:2767)
[  459.876552][ T9364]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  459.876554][ T9364]  ? copy_msghdr_from_user (net/socket.c:2619)
[  459.876556][ T9364]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  459.876560][ T9364]  __sys_sendmsg (net/socket.c:2799)
[  459.876562][ T9364]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  459.876564][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876566][ T9364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.876567][ T9364]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  459.876570][ T9364]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  459.876572][ T9364]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  459.876574][ T9364] RIP: 0033:0x7f98e701d54e
[  459.876575][ T9364] 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
[  459.876577][ T9364] RSP: 002b:00007fff30d1dbe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  459.876581][ T9364] RAX: ffffffffffffffda RBX: 00007fff30d1e3a8 RCX: 00007f98e701d54e
[  459.876582][ T9364] RDX: 0000000000000000 RSI: 00007fff30d1dc90 RDI: 0000000000000005
[  459.876583][ T9364] RBP: 00007fff30d1dbf0 R08: 0000000000000000 R09: 0000000000000000
[  459.876584][ T9364] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eabe
[  459.876585][ T9364] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff30d1e360
| [  461.155966][ T9432] softirqs last disabled at (0): 0x0
| [  461.155968][ T9432] Preemption disabled at:
| [  461.155969][ T9432] vprintk_emit (kernel/printk/printk.c:2471)
| [  461.155978][ T9432] Tainted: [W]=WARN
[  461.155980][ T9432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  461.155981][ T9432] Call Trace:
[  461.155983][ T9432]  <TASK>
[  461.155984][ T9432]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  461.155990][ T9432]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  461.155991][ T9432]  __might_resched.cold (kernel/sched/core.c:9234)
[  461.155995][ T9432]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  461.155999][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156002][ T9432]  __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))
[  461.156005][ T9432]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  461.156008][ T9432]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  461.156013][ T9432]  ? 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)
[  461.156015][ T9432]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  461.156018][ T9432]  put_chars (drivers/char/virtio_console.c:1176)
[  461.156019][ T9432]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  461.156020][ T9432]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  461.156023][ T9432]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  461.156025][ T9432]  ? pointer (lib/vsprintf.c:2577)
[  461.156028][ T9432]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  461.156033][ T9432]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  461.156035][ T9432]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  461.156036][ T9432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.156039][ T9432]  console_emit_next_record (kernel/printk/printk.c:3183)
[  461.156042][ T9432]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  461.156044][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156045][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156046][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156047][ T9432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.156049][ T9432]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  461.156051][ T9432]  console_flush_one_record (kernel/printk/printk.c:3268)
[  461.156053][ T9432]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  461.156056][ T9432]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  461.156058][ T9432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.156059][ T9432]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  461.156061][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156062][ T9432]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.156063][ T9432]  ? 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)
[  461.156065][ T9432]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  461.156066][ T9432]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  461.156068][ T9432]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  461.156070][ T9432]  vprintk_emit (kernel/printk/printk.c:2479)
[  461.156072][ T9432]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  461.156073][ T9432]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  461.156075][ T9432]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  461.156079][ T9432]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  461.156081][ T9432]  _printk (kernel/printk/printk.c:2504)
[  461.156084][ T9432]  ? snapshot_read.cold (user.c:?)
[  461.156086][ T9432]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  461.156088][ T9432]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  461.156091][ T9432]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  461.156093][ T9432]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  461.156097][ T9432]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  461.156099][ T9432]  ? netdev_notice (net/core/dev.c:13194)
[  461.156101][ T9432]  ? 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)
[  461.156103][ T9432]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  461.156105][ T9432]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  461.156107][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156108][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156109][ T9432]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  461.156110][ T9432]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  461.156112][ T9432]  ? 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)
[  461.156113][ T9432]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  461.156114][ T9432]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  461.156116][ T9432]  ? register_netdev (net/core/dev.c:11618)
[  461.156117][ T9432]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.156119][ T9432]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  461.156122][ T9432]  ? __kernel_text_address (kernel/extable.c:79)
[  461.156124][ T9432]  ? write_profile (profile.c:?)
[  461.156127][ T9432]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  461.156135][ T9432]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  461.156137][ T9432]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  461.156138][ T9432]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  461.156140][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156141][ T9432]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  461.156144][ T9432]  ? kasan_save_stack (mm/kasan/common.c:58)
[  461.156146][ T9432]  ? kasan_save_stack (mm/kasan/common.c:57)
[  461.156147][ T9432]  ? kasan_save_track (mm/kasan/common.c:78)
[  461.156148][ T9432]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  461.156149][ T9432]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  461.156151][ T9432]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  461.156152][ T9432]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  461.156153][ T9432]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  461.156156][ T9432]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  461.156158][ T9432]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  461.156159][ T9432]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  461.156162][ T9432]  ? ____sys_sendmsg (net/socket.c:2713)
[  461.156163][ T9432]  ? ___sys_sendmsg (net/socket.c:2767)
[  461.156165][ T9432]  ? __sys_sendmsg (net/socket.c:2799)
[  461.156166][ T9432]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  461.156169][ T9432]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  461.156171][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156172][ T9432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.156174][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156175][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156176][ T9432]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  461.156178][ T9432]  ? __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)
[  461.156179][ T9432]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  461.156180][ T9432]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  461.156182][ T9432]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  461.156183][ T9432]  ? nla_get_range_signed (lib/nlattr.c:270)
[  461.156186][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156187][ T9432]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  461.156189][ T9432]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  461.156191][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156193][ T9432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  461.156194][ T9432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.156195][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156197][ T9432]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  461.156199][ T9432]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  461.156201][ T9432]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  461.156202][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156203][ T9432]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  461.156207][ T9432]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  461.156209][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156210][ T9432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.156211][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156213][ T9432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  461.156214][ T9432]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  461.156216][ T9432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  461.156217][ T9432]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  461.156219][ T9432]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  461.156221][ T9432]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  461.156222][ T9432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  461.156224][ T9432]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.156225][ T9432]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  461.156227][ T9432]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  461.156230][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156231][ T9432]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.156233][ T9432]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  461.156235][ T9432]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  461.156237][ T9432]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  461.156239][ T9432]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  461.156241][ T9432]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  461.156243][ T9432]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  461.156244][ T9432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.156246][ T9432]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  461.156249][ T9432]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  461.156251][ T9432]  ____sys_sendmsg (net/socket.c:2713)
[  461.156253][ T9432]  ? copy_msghdr_from_user (net/socket.c:2650)
[  461.156254][ T9432]  ? sock_write_iter (net/socket.c:1269)
[  461.156256][ T9432]  ? move_addr_to_kernel (net/socket.c:258)
[  461.156257][ T9432]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  461.156260][ T9432]  ___sys_sendmsg (net/socket.c:2767)
[  461.156262][ T9432]  ? copy_msghdr_from_user (net/socket.c:2619)
[  461.156266][ T9432]  __sys_sendmsg (net/socket.c:2799)
[  461.156268][ T9432]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  461.156271][ T9432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.156273][ T9432]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  461.156274][ T9432]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  461.156276][ T9432]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  461.156278][ T9432] RIP: 0033:0x7f9a2ebf454e
[  461.156280][ T9432] 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
[  461.156281][ T9432] RSP: 002b:00007ffea08e2ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  461.156285][ T9432] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9a2ebf454e
[  461.156287][ T9432] RDX: 0000000000000000 RSI: 00007ffea08e2b60 RDI: 0000000000000005
[  461.156288][ T9432] RBP: 00007ffea08e2ac0 R08: 0000000000000000 R09: 0000000000000000
[  461.156289][ T9432] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eabf
[  461.156289][ T9432] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea08e3220
| [  462.220972][ T9490] softirqs last disabled at (0): 0x0
| [  462.220974][ T9490] Preemption disabled at:
| [  462.220975][ T9490] vprintk_emit (kernel/printk/printk.c:2471)
| [  462.220985][ T9490] Tainted: [W]=WARN
[  462.220986][ T9490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  462.220988][ T9490] Call Trace:
[  462.220989][ T9490]  <TASK>
[  462.220990][ T9490]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  462.220996][ T9490]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  462.220997][ T9490]  __might_resched.cold (kernel/sched/core.c:9234)
[  462.221001][ T9490]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  462.221003][ T9490]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  462.221006][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221009][ T9490]  __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))
[  462.221012][ T9490]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  462.221015][ T9490]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  462.221020][ T9490]  ? 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)
[  462.221021][ T9490]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  462.221024][ T9490]  put_chars (drivers/char/virtio_console.c:1176)
[  462.221025][ T9490]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  462.221027][ T9490]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  462.221030][ T9490]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  462.221034][ T9490]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  462.221036][ T9490]  ? vsnprintf (lib/vsprintf.c:2900)
[  462.221039][ T9490]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  462.221041][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221042][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221044][ T9490]  console_emit_next_record (kernel/printk/printk.c:3183)
[  462.221046][ T9490]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  462.221049][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221050][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221051][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221052][ T9490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.221054][ T9490]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  462.221056][ T9490]  console_flush_one_record (kernel/printk/printk.c:3268)
[  462.221058][ T9490]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  462.221061][ T9490]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  462.221063][ T9490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.221065][ T9490]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  462.221067][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221068][ T9490]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  462.221069][ T9490]  ? 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)
[  462.221071][ T9490]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  462.221072][ T9490]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  462.221074][ T9490]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  462.221076][ T9490]  vprintk_emit (kernel/printk/printk.c:2479)
[  462.221077][ T9490]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  462.221079][ T9490]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  462.221080][ T9490]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  462.221083][ T9490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.221085][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221086][ T9490]  _printk (kernel/printk/printk.c:2504)
[  462.221089][ T9490]  ? snapshot_read.cold (user.c:?)
[  462.221091][ T9490]  ? br_multicast_flood (??:?)
[  462.221094][ T9490]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  462.221097][ T9490]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  462.221098][ T9490]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  462.221100][ T9490]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  462.221103][ T9490]  br_init_port (net/bridge/br_stp_if.c:39)
[  462.221104][ T9490]  new_nbp (net/bridge/br_if.c:449)
[  462.221106][ T9490]  br_add_if (net/bridge/br_if.c:592)
[  462.221108][ T9490]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  462.221112][ T9490]  do_set_master (net/core/rtnetlink.c:3071)
[  462.221114][ T9490]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  462.221116][ T9490]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  462.221117][ T9490]  ? __dev_get_by_name (net/core/dev.c:905)
[  462.221119][ T9490]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  462.221123][ T9490]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  462.221125][ T9490]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  462.221127][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221128][ T9490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  462.221130][ T9490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.221131][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221133][ T9490]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  462.221139][ T9490]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  462.221141][ T9490]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  462.221144][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221145][ T9490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.221146][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221148][ T9490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  462.221149][ T9490]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  462.221151][ T9490]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  462.221152][ T9490]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  462.221154][ T9490]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  462.221157][ T9490]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  462.221160][ T9490]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  462.221162][ T9490]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  462.221163][ T9490]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  462.221165][ T9490]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  462.221168][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221169][ T9490]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  462.221171][ T9490]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  462.221174][ T9490]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  462.221176][ T9490]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  462.221178][ T9490]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  462.221181][ T9490]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  462.221183][ T9490]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  462.221185][ T9490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.221187][ T9490]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  462.221190][ T9490]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  462.221193][ T9490]  ____sys_sendmsg (net/socket.c:2713)
[  462.221195][ T9490]  ? copy_msghdr_from_user (net/socket.c:2650)
[  462.221197][ T9490]  ? sock_write_iter (net/socket.c:1269)
[  462.221198][ T9490]  ? move_addr_to_kernel (net/socket.c:258)
[  462.221201][ T9490]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  462.221203][ T9490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.221205][ T9490]  ___sys_sendmsg (net/socket.c:2767)
[  462.221207][ T9490]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  462.221208][ T9490]  ? copy_msghdr_from_user (net/socket.c:2619)
[  462.221210][ T9490]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  462.221214][ T9490]  __sys_sendmsg (net/socket.c:2799)
[  462.221216][ T9490]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  462.221219][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221220][ T9490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.221222][ T9490]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  462.221224][ T9490]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  462.221226][ T9490]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  462.221228][ T9490] RIP: 0033:0x7fcd0e60754e
[  462.221230][ T9490] 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
[  462.221232][ T9490] RSP: 002b:00007ffd7aae9b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  462.221235][ T9490] RAX: ffffffffffffffda RBX: 00007ffd7aaea358 RCX: 00007fcd0e60754e
[  462.221237][ T9490] RDX: 0000000000000000 RSI: 00007ffd7aae9c40 RDI: 0000000000000005
[  462.221238][ T9490] RBP: 00007ffd7aae9ba0 R08: 0000000000000000 R09: 0000000000000000
[  462.221239][ T9490] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eac0
[  462.221240][ T9490] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7aaea310
| [  469.914120][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  469.914122][   T12] Preemption disabled at:
| [  469.914123][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  469.914133][   T12] Tainted: [W]=WARN
[  469.914134][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  469.914136][   T12] Workqueue: netns cleanup_net
[  469.914142][   T12] Call Trace:
[  469.914144][   T12]  <TASK>
[  469.914146][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  469.914151][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  469.914152][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  469.914156][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  469.914164][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  469.914167][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.914170][   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))
[  469.914173][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  469.914176][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  469.914180][   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)
[  469.914183][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  469.914185][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  469.914187][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  469.914189][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  469.914192][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  469.914196][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  469.914198][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  469.914200][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  469.914202][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.914203][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.914205][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  469.914207][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  469.914209][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.914210][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.914211][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.914212][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  469.914215][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  469.914217][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  469.914219][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  469.914222][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  469.914224][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  469.914225][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  469.914227][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.914228][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  469.914229][   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)
[  469.914231][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  469.914232][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  469.914234][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  469.914236][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  469.914238][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  469.914239][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  469.914240][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  469.914243][   T12]  ? kthread (kernel/kthread.c:436)
[  469.914245][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  469.914248][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  469.914251][   T12]  _printk (kernel/printk/printk.c:2504)
[  469.914254][   T12]  ? snapshot_read.cold (user.c:?)
[  469.914256][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  469.914259][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  469.914261][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  469.914264][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  469.914266][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.914267][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  469.914269][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  469.914272][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  469.914273][   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)
[  469.914275][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  469.914277][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  469.914279][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  469.914283][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  469.914285][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  469.914288][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  469.914290][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  469.914292][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  469.914295][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  469.914297][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  469.914299][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  469.914300][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.914302][   T12]  process_one_work (kernel/workqueue.c:3387)
[  469.914305][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  469.914307][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  469.914309][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  469.914312][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  469.914314][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  469.914316][   T12]  kthread (kernel/kthread.c:436)
[  469.914318][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  469.914319][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  469.914321][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  469.914323][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  469.914325][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  469.914328][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  469.914330][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  471.045995][ T9709] softirqs last disabled at (0): 0x0
| [  471.045997][ T9709] Preemption disabled at:
| [  471.045998][ T9709] vprintk_emit (kernel/printk/printk.c:2471)
| [  471.046008][ T9709] Tainted: [W]=WARN
[  471.046010][ T9709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  471.046011][ T9709] Call Trace:
[  471.046013][ T9709]  <TASK>
[  471.046014][ T9709]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  471.046020][ T9709]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  471.046021][ T9709]  __might_resched.cold (kernel/sched/core.c:9234)
[  471.046025][ T9709]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  471.046028][ T9709]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  471.046031][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046033][ T9709]  __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))
[  471.046036][ T9709]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  471.046039][ T9709]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  471.046044][ T9709]  ? 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)
[  471.046046][ T9709]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  471.046048][ T9709]  put_chars (drivers/char/virtio_console.c:1176)
[  471.046050][ T9709]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  471.046052][ T9709]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  471.046054][ T9709]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  471.046059][ T9709]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  471.046061][ T9709]  ? vsnprintf (lib/vsprintf.c:2900)
[  471.046064][ T9709]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  471.046066][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046067][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046069][ T9709]  console_emit_next_record (kernel/printk/printk.c:3183)
[  471.046072][ T9709]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  471.046074][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046075][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046076][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046077][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.046079][ T9709]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  471.046081][ T9709]  console_flush_one_record (kernel/printk/printk.c:3268)
[  471.046083][ T9709]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  471.046086][ T9709]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  471.046088][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.046090][ T9709]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  471.046091][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046092][ T9709]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  471.046094][ T9709]  ? 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)
[  471.046095][ T9709]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  471.046097][ T9709]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  471.046099][ T9709]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  471.046100][ T9709]  vprintk_emit (kernel/printk/printk.c:2479)
[  471.046102][ T9709]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  471.046104][ T9709]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  471.046105][ T9709]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  471.046108][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.046110][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046111][ T9709]  _printk (kernel/printk/printk.c:2504)
[  471.046114][ T9709]  ? snapshot_read.cold (user.c:?)
[  471.046116][ T9709]  ? br_multicast_flood (??:?)
[  471.046120][ T9709]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  471.046123][ T9709]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  471.046124][ T9709]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  471.046126][ T9709]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  471.046129][ T9709]  br_init_port (net/bridge/br_stp_if.c:39)
[  471.046131][ T9709]  new_nbp (net/bridge/br_if.c:449)
[  471.046133][ T9709]  br_add_if (net/bridge/br_if.c:592)
[  471.046135][ T9709]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  471.046139][ T9709]  do_set_master (net/core/rtnetlink.c:3071)
[  471.046140][ T9709]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  471.046142][ T9709]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  471.046144][ T9709]  ? __dev_get_by_name (net/core/dev.c:905)
[  471.046145][ T9709]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  471.046150][ T9709]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  471.046152][ T9709]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  471.046154][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046155][ T9709]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  471.046157][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.046158][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046160][ T9709]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  471.046166][ T9709]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  471.046168][ T9709]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  471.046170][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046172][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.046173][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046175][ T9709]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  471.046176][ T9709]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  471.046178][ T9709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  471.046179][ T9709]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  471.046181][ T9709]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  471.046185][ T9709]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  471.046188][ T9709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  471.046189][ T9709]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  471.046191][ T9709]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  471.046193][ T9709]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  471.046196][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046197][ T9709]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  471.046199][ T9709]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  471.046201][ T9709]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  471.046203][ T9709]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  471.046206][ T9709]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  471.046209][ T9709]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  471.046211][ T9709]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  471.046213][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.046215][ T9709]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  471.046218][ T9709]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  471.046221][ T9709]  ____sys_sendmsg (net/socket.c:2713)
[  471.046222][ T9709]  ? copy_msghdr_from_user (net/socket.c:2650)
[  471.046224][ T9709]  ? sock_write_iter (net/socket.c:1269)
[  471.046226][ T9709]  ? move_addr_to_kernel (net/socket.c:258)
[  471.046228][ T9709]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  471.046231][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.046232][ T9709]  ___sys_sendmsg (net/socket.c:2767)
[  471.046234][ T9709]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  471.046236][ T9709]  ? copy_msghdr_from_user (net/socket.c:2619)
[  471.046238][ T9709]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  471.046242][ T9709]  __sys_sendmsg (net/socket.c:2799)
[  471.046244][ T9709]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  471.046247][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046248][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.046249][ T9709]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  471.046252][ T9709]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  471.046254][ T9709]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  471.046256][ T9709] RIP: 0033:0x7f22b34d054e
[  471.046257][ T9709] 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
[  471.046259][ T9709] RSP: 002b:00007ffed309ac10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  471.046263][ T9709] RAX: ffffffffffffffda RBX: 00007ffed309b3d8 RCX: 00007f22b34d054e
[  471.046264][ T9709] RDX: 0000000000000000 RSI: 00007ffed309acc0 RDI: 0000000000000005
[  471.046265][ T9709] RBP: 00007ffed309ac20 R08: 0000000000000000 R09: 0000000000000000
[  471.046266][ T9709] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eac9
[  471.046267][ T9709] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed309b390
| [  472.330160][ T9778] softirqs last disabled at (0): 0x0
| [  472.330162][ T9778] Preemption disabled at:
| [  472.330163][ T9778] vprintk_emit (kernel/printk/printk.c:2471)
| [  472.330178][ T9778] Tainted: [W]=WARN
[  472.330179][ T9778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  472.330181][ T9778] Call Trace:
[  472.330182][ T9778]  <TASK>
[  472.330184][ T9778]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  472.330189][ T9778]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  472.330191][ T9778]  __might_resched.cold (kernel/sched/core.c:9234)
[  472.330195][ T9778]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  472.330198][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330201][ T9778]  __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))
[  472.330204][ T9778]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  472.330207][ T9778]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  472.330212][ T9778]  ? 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)
[  472.330214][ T9778]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  472.330216][ T9778]  put_chars (drivers/char/virtio_console.c:1176)
[  472.330218][ T9778]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  472.330219][ T9778]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  472.330221][ T9778]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  472.330224][ T9778]  ? pointer (lib/vsprintf.c:2577)
[  472.330227][ T9778]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  472.330232][ T9778]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  472.330233][ T9778]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  472.330235][ T9778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.330238][ T9778]  console_emit_next_record (kernel/printk/printk.c:3183)
[  472.330241][ T9778]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  472.330243][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330244][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330245][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330246][ T9778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.330248][ T9778]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  472.330250][ T9778]  console_flush_one_record (kernel/printk/printk.c:3268)
[  472.330252][ T9778]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  472.330255][ T9778]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  472.330257][ T9778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.330258][ T9778]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  472.330260][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330261][ T9778]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.330263][ T9778]  ? 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)
[  472.330264][ T9778]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  472.330266][ T9778]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  472.330268][ T9778]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  472.330269][ T9778]  vprintk_emit (kernel/printk/printk.c:2479)
[  472.330271][ T9778]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  472.330272][ T9778]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  472.330275][ T9778]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  472.330278][ T9778]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  472.330281][ T9778]  _printk (kernel/printk/printk.c:2504)
[  472.330283][ T9778]  ? snapshot_read.cold (user.c:?)
[  472.330285][ T9778]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  472.330288][ T9778]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  472.330291][ T9778]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  472.330293][ T9778]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  472.330296][ T9778]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  472.330298][ T9778]  ? netdev_notice (net/core/dev.c:13194)
[  472.330300][ T9778]  ? 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)
[  472.330302][ T9778]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  472.330305][ T9778]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  472.330306][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330307][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330309][ T9778]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  472.330310][ T9778]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  472.330311][ T9778]  ? 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)
[  472.330313][ T9778]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  472.330314][ T9778]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  472.330316][ T9778]  ? register_netdev (net/core/dev.c:11618)
[  472.330317][ T9778]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.330319][ T9778]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  472.330322][ T9778]  ? __kernel_text_address (kernel/extable.c:79)
[  472.330324][ T9778]  ? write_profile (profile.c:?)
[  472.330327][ T9778]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  472.330330][ T9778]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  472.330332][ T9778]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  472.330334][ T9778]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  472.330335][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330336][ T9778]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  472.330340][ T9778]  ? kasan_save_stack (mm/kasan/common.c:58)
[  472.330342][ T9778]  ? kasan_save_stack (mm/kasan/common.c:57)
[  472.330343][ T9778]  ? kasan_save_track (mm/kasan/common.c:78)
[  472.330344][ T9778]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  472.330345][ T9778]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  472.330346][ T9778]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  472.330347][ T9778]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  472.330348][ T9778]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  472.330352][ T9778]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  472.330353][ T9778]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  472.330355][ T9778]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  472.330357][ T9778]  ? ____sys_sendmsg (net/socket.c:2713)
[  472.330359][ T9778]  ? ___sys_sendmsg (net/socket.c:2767)
[  472.330360][ T9778]  ? __sys_sendmsg (net/socket.c:2799)
[  472.330362][ T9778]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  472.330364][ T9778]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  472.330367][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330368][ T9778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.330370][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330371][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330372][ T9778]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  472.330373][ T9778]  ? __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)
[  472.330374][ T9778]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  472.330376][ T9778]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  472.330377][ T9778]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  472.330378][ T9778]  ? nla_get_range_signed (lib/nlattr.c:270)
[  472.330382][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330383][ T9778]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  472.330385][ T9778]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  472.330387][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330388][ T9778]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  472.330389][ T9778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.330391][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330392][ T9778]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  472.330395][ T9778]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  472.330396][ T9778]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  472.330397][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330399][ T9778]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  472.330402][ T9778]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  472.330404][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330405][ T9778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.330407][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330408][ T9778]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  472.330410][ T9778]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  472.330411][ T9778]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  472.330413][ T9778]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  472.330414][ T9778]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  472.330416][ T9778]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  472.330418][ T9778]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  472.330420][ T9778]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.330422][ T9778]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  472.330423][ T9778]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  472.330427][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330428][ T9778]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.330430][ T9778]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  472.330432][ T9778]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  472.330434][ T9778]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  472.330436][ T9778]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  472.330438][ T9778]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  472.330440][ T9778]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  472.330441][ T9778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.330443][ T9778]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  472.330446][ T9778]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  472.330448][ T9778]  ____sys_sendmsg (net/socket.c:2713)
[  472.330450][ T9778]  ? copy_msghdr_from_user (net/socket.c:2650)
[  472.330452][ T9778]  ? sock_write_iter (net/socket.c:1269)
[  472.330453][ T9778]  ? move_addr_to_kernel (net/socket.c:258)
[  472.330455][ T9778]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  472.330457][ T9778]  ___sys_sendmsg (net/socket.c:2767)
[  472.330459][ T9778]  ? copy_msghdr_from_user (net/socket.c:2619)
[  472.330464][ T9778]  __sys_sendmsg (net/socket.c:2799)
[  472.330466][ T9778]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  472.330469][ T9778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.330470][ T9778]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  472.330472][ T9778]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  472.330474][ T9778]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  472.330476][ T9778] RIP: 0033:0x7f351187454e
[  472.330478][ T9778] 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
[  472.330479][ T9778] RSP: 002b:00007ffc5eb50480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  472.330483][ T9778] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f351187454e
[  472.330485][ T9778] RDX: 0000000000000000 RSI: 00007ffc5eb50530 RDI: 0000000000000005
[  472.330486][ T9778] RBP: 00007ffc5eb50490 R08: 0000000000000000 R09: 0000000000000000
[  472.330486][ T9778] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eaca
[  472.330487][ T9778] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5eb50bf0
| [  473.399450][ T9835] softirqs last disabled at (0): 0x0
| [  473.399451][ T9835] Preemption disabled at:
| [  473.399452][ T9835] vprintk_emit (kernel/printk/printk.c:2471)
| [  473.399462][ T9835] Tainted: [W]=WARN
[  473.399464][ T9835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  473.399465][ T9835] Call Trace:
[  473.399467][ T9835]  <TASK>
[  473.399468][ T9835]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  473.399473][ T9835]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  473.399475][ T9835]  __might_resched.cold (kernel/sched/core.c:9234)
[  473.399478][ T9835]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  473.399481][ T9835]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  473.399484][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399486][ T9835]  __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))
[  473.399489][ T9835]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  473.399492][ T9835]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  473.399497][ T9835]  ? 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)
[  473.399499][ T9835]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  473.399502][ T9835]  put_chars (drivers/char/virtio_console.c:1176)
[  473.399503][ T9835]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  473.399505][ T9835]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  473.399507][ T9835]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  473.399512][ T9835]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  473.399514][ T9835]  ? vsnprintf (lib/vsprintf.c:2900)
[  473.399517][ T9835]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  473.399519][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399520][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399521][ T9835]  console_emit_next_record (kernel/printk/printk.c:3183)
[  473.399524][ T9835]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  473.399526][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399527][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399528][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399529][ T9835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.399532][ T9835]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  473.399533][ T9835]  console_flush_one_record (kernel/printk/printk.c:3268)
[  473.399536][ T9835]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  473.399538][ T9835]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  473.399540][ T9835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.399542][ T9835]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  473.399544][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399545][ T9835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  473.399546][ T9835]  ? 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)
[  473.399548][ T9835]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  473.399549][ T9835]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  473.399551][ T9835]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  473.399552][ T9835]  vprintk_emit (kernel/printk/printk.c:2479)
[  473.399554][ T9835]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  473.399555][ T9835]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  473.399557][ T9835]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  473.399560][ T9835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.399561][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399563][ T9835]  _printk (kernel/printk/printk.c:2504)
[  473.399566][ T9835]  ? snapshot_read.cold (user.c:?)
[  473.399568][ T9835]  ? br_multicast_flood (??:?)
[  473.399571][ T9835]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  473.399574][ T9835]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  473.399575][ T9835]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  473.399576][ T9835]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  473.399579][ T9835]  br_init_port (net/bridge/br_stp_if.c:39)
[  473.399581][ T9835]  new_nbp (net/bridge/br_if.c:449)
[  473.399583][ T9835]  br_add_if (net/bridge/br_if.c:592)
[  473.399585][ T9835]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  473.399589][ T9835]  do_set_master (net/core/rtnetlink.c:3071)
[  473.399591][ T9835]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  473.399593][ T9835]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  473.399594][ T9835]  ? __dev_get_by_name (net/core/dev.c:905)
[  473.399596][ T9835]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  473.399600][ T9835]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  473.399602][ T9835]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  473.399604][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399606][ T9835]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  473.399607][ T9835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.399608][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399610][ T9835]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  473.399613][ T9835]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  473.399614][ T9835]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  473.399617][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399618][ T9835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.399619][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399620][ T9835]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  473.399622][ T9835]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  473.399623][ T9835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  473.399625][ T9835]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  473.399626][ T9835]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  473.399630][ T9835]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  473.399633][ T9835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  473.399634][ T9835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  473.399636][ T9835]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  473.399638][ T9835]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  473.399641][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399642][ T9835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  473.399644][ T9835]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  473.399648][ T9835]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  473.399650][ T9835]  ? next_uptodate_folio (mm/filemap.c:3747)
[  473.399653][ T9835]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  473.399655][ T9835]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  473.399657][ T9835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.399658][ T9835]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  473.399662][ T9835]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  473.399665][ T9835]  ____sys_sendmsg (net/socket.c:2713)
[  473.399666][ T9835]  ? copy_msghdr_from_user (net/socket.c:2650)
[  473.399668][ T9835]  ? sock_write_iter (net/socket.c:1269)
[  473.399669][ T9835]  ? move_addr_to_kernel (net/socket.c:258)
[  473.399672][ T9835]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  473.399674][ T9835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.399676][ T9835]  ___sys_sendmsg (net/socket.c:2767)
[  473.399677][ T9835]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  473.399679][ T9835]  ? copy_msghdr_from_user (net/socket.c:2619)
[  473.399681][ T9835]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  473.399685][ T9835]  __sys_sendmsg (net/socket.c:2799)
[  473.399688][ T9835]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  473.399690][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399691][ T9835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.399693][ T9835]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  473.399695][ T9835]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  473.399697][ T9835]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  473.399699][ T9835] RIP: 0033:0x7f719d37154e
[  473.399701][ T9835] 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
[  473.399703][ T9835] RSP: 002b:00007ffeba0b1ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  473.399707][ T9835] RAX: ffffffffffffffda RBX: 00007ffeba0b2298 RCX: 00007f719d37154e
[  473.399708][ T9835] RDX: 0000000000000000 RSI: 00007ffeba0b1b80 RDI: 0000000000000005
[  473.399709][ T9835] RBP: 00007ffeba0b1ae0 R08: 0000000000000000 R09: 0000000000000000
[  473.399710][ T9835] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eacb
[  473.399711][ T9835] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeba0b2250
| [  480.124483][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  480.124485][   T12] Preemption disabled at:
| [  480.124486][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  480.124497][   T12] Tainted: [W]=WARN
[  480.124498][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  480.124500][   T12] Workqueue: netns cleanup_net
[  480.124506][   T12] Call Trace:
[  480.124507][   T12]  <TASK>
[  480.124508][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  480.124514][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  480.124515][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  480.124519][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  480.124521][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  480.124524][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.124527][   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))
[  480.124529][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  480.124532][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  480.124537][   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)
[  480.124538][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  480.124541][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  480.124543][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  480.124545][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  480.124547][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  480.124552][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  480.124554][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  480.124556][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  480.124558][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.124559][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.124560][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  480.124563][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  480.124565][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.124566][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.124567][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.124568][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.124570][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  480.124572][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  480.124575][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  480.124578][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  480.124579][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.124581][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  480.124583][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.124584][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  480.124585][   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)
[  480.124587][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  480.124588][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  480.124590][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  480.124592][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  480.124594][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  480.124595][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  480.124596][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  480.124599][   T12]  ? kthread (kernel/kthread.c:436)
[  480.124601][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  480.124604][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  480.124606][   T12]  _printk (kernel/printk/printk.c:2504)
[  480.124609][   T12]  ? snapshot_read.cold (user.c:?)
[  480.124611][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  480.124615][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  480.124617][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  480.124619][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  480.124622][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.124623][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  480.124624][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  480.124627][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  480.124629][   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)
[  480.124630][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  480.124632][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  480.124635][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  480.124638][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  480.124641][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  480.124643][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  480.124648][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  480.124650][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  480.124653][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  480.124655][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  480.124656][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.124658][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.124659][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.124661][   T12]  process_one_work (kernel/workqueue.c:3387)
[  480.124664][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  480.124666][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  480.124668][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  480.124670][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  480.124673][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  480.124675][   T12]  kthread (kernel/kthread.c:436)
[  480.124677][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  480.124679][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  480.124681][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  480.124682][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  480.124684][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  480.124687][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  480.124689][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  481.268532][ T9999] softirqs last disabled at (0): 0x0
| [  481.268534][ T9999] Preemption disabled at:
| [  481.268535][ T9999] vprintk_emit (kernel/printk/printk.c:2471)
| [  481.268545][ T9999] Tainted: [W]=WARN
[  481.268546][ T9999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  481.268548][ T9999] Call Trace:
[  481.268549][ T9999]  <TASK>
[  481.268550][ T9999]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  481.268556][ T9999]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  481.268557][ T9999]  __might_resched.cold (kernel/sched/core.c:9234)
[  481.268561][ T9999]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  481.268564][ T9999]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  481.268567][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268570][ T9999]  __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))
[  481.268573][ T9999]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  481.268576][ T9999]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  481.268581][ T9999]  ? 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)
[  481.268582][ T9999]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  481.268585][ T9999]  put_chars (drivers/char/virtio_console.c:1176)
[  481.268587][ T9999]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  481.268588][ T9999]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  481.268591][ T9999]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  481.268595][ T9999]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  481.268597][ T9999]  ? vsnprintf (lib/vsprintf.c:2900)
[  481.268601][ T9999]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  481.268602][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268603][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268605][ T9999]  console_emit_next_record (kernel/printk/printk.c:3183)
[  481.268608][ T9999]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  481.268610][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268611][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268612][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268613][ T9999]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.268615][ T9999]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  481.268617][ T9999]  console_flush_one_record (kernel/printk/printk.c:3268)
[  481.268620][ T9999]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  481.268622][ T9999]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  481.268624][ T9999]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.268626][ T9999]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  481.268628][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268629][ T9999]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  481.268630][ T9999]  ? 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)
[  481.268632][ T9999]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  481.268633][ T9999]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  481.268635][ T9999]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  481.268637][ T9999]  vprintk_emit (kernel/printk/printk.c:2479)
[  481.268639][ T9999]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  481.268640][ T9999]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  481.268641][ T9999]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  481.268644][ T9999]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.268648][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268650][ T9999]  _printk (kernel/printk/printk.c:2504)
[  481.268653][ T9999]  ? snapshot_read.cold (user.c:?)
[  481.268655][ T9999]  ? br_multicast_flood (??:?)
[  481.268658][ T9999]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  481.268661][ T9999]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  481.268662][ T9999]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  481.268664][ T9999]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  481.268667][ T9999]  br_init_port (net/bridge/br_stp_if.c:39)
[  481.268669][ T9999]  new_nbp (net/bridge/br_if.c:449)
[  481.268671][ T9999]  br_add_if (net/bridge/br_if.c:592)
[  481.268673][ T9999]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  481.268677][ T9999]  do_set_master (net/core/rtnetlink.c:3071)
[  481.268679][ T9999]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  481.268681][ T9999]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  481.268682][ T9999]  ? __dev_get_by_name (net/core/dev.c:905)
[  481.268684][ T9999]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  481.268688][ T9999]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  481.268691][ T9999]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  481.268693][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268694][ T9999]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  481.268695][ T9999]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.268697][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268698][ T9999]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  481.268701][ T9999]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  481.268702][ T9999]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  481.268705][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268706][ T9999]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.268707][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268709][ T9999]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  481.268710][ T9999]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  481.268712][ T9999]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  481.268713][ T9999]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  481.268715][ T9999]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  481.268719][ T9999]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  481.268722][ T9999]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  481.268723][ T9999]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  481.268725][ T9999]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  481.268726][ T9999]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  481.268729][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268731][ T9999]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  481.268733][ T9999]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  481.268735][ T9999]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  481.268737][ T9999]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  481.268739][ T9999]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  481.268742][ T9999]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  481.268745][ T9999]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  481.268747][ T9999]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.268748][ T9999]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  481.268751][ T9999]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  481.268755][ T9999]  ____sys_sendmsg (net/socket.c:2713)
[  481.268756][ T9999]  ? copy_msghdr_from_user (net/socket.c:2650)
[  481.268758][ T9999]  ? sock_write_iter (net/socket.c:1269)
[  481.268760][ T9999]  ? move_addr_to_kernel (net/socket.c:258)
[  481.268762][ T9999]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  481.268764][ T9999]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.268766][ T9999]  ___sys_sendmsg (net/socket.c:2767)
[  481.268768][ T9999]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  481.268770][ T9999]  ? copy_msghdr_from_user (net/socket.c:2619)
[  481.268771][ T9999]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  481.268776][ T9999]  __sys_sendmsg (net/socket.c:2799)
[  481.268778][ T9999]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  481.268780][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268781][ T9999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.268783][ T9999]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  481.268785][ T9999]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  481.268787][ T9999]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  481.268789][ T9999] RIP: 0033:0x7faad23d654e
[  481.268791][ T9999] 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
[  481.268793][ T9999] RSP: 002b:00007fff09eb3da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  481.268797][ T9999] RAX: ffffffffffffffda RBX: 00007fff09eb4568 RCX: 00007faad23d654e
[  481.268798][ T9999] RDX: 0000000000000000 RSI: 00007fff09eb3e50 RDI: 0000000000000005
[  481.268799][ T9999] RBP: 00007fff09eb3db0 R08: 0000000000000000 R09: 0000000000000000
[  481.268800][ T9999] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ead3
[  481.268801][ T9999] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff09eb4520
| [  482.556324][T10069] softirqs last disabled at (0): 0x0
| [  482.556326][T10069] Preemption disabled at:
| [  482.556327][T10069] vprintk_emit (kernel/printk/printk.c:2471)
| [  482.556337][T10069] Tainted: [W]=WARN
[  482.556338][T10069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  482.556340][T10069] Call Trace:
[  482.556341][T10069]  <TASK>
[  482.556343][T10069]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  482.556348][T10069]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  482.556349][T10069]  __might_resched.cold (kernel/sched/core.c:9234)
[  482.556354][T10069]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  482.556357][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556360][T10069]  __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))
[  482.556363][T10069]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.556366][T10069]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.556370][T10069]  ? 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)
[  482.556372][T10069]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.556375][T10069]  put_chars (drivers/char/virtio_console.c:1176)
[  482.556377][T10069]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  482.556378][T10069]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  482.556380][T10069]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  482.556382][T10069]  ? pointer (lib/vsprintf.c:2577)
[  482.556386][T10069]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  482.556390][T10069]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  482.556392][T10069]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.556394][T10069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.556396][T10069]  console_emit_next_record (kernel/printk/printk.c:3183)
[  482.556399][T10069]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  482.556401][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556402][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556403][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556404][T10069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.556406][T10069]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  482.556408][T10069]  console_flush_one_record (kernel/printk/printk.c:3268)
[  482.556410][T10069]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  482.556413][T10069]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  482.556415][T10069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.556416][T10069]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  482.556418][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556419][T10069]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  482.556421][T10069]  ? 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)
[  482.556423][T10069]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  482.556424][T10069]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  482.556426][T10069]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  482.556428][T10069]  vprintk_emit (kernel/printk/printk.c:2479)
[  482.556430][T10069]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  482.556431][T10069]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  482.556434][T10069]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  482.556437][T10069]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  482.556439][T10069]  _printk (kernel/printk/printk.c:2504)
[  482.556442][T10069]  ? snapshot_read.cold (user.c:?)
[  482.556444][T10069]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  482.556446][T10069]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  482.556449][T10069]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  482.556451][T10069]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  482.556455][T10069]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  482.556457][T10069]  ? netdev_notice (net/core/dev.c:13194)
[  482.556459][T10069]  ? 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)
[  482.556461][T10069]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  482.556464][T10069]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.556465][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556466][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556467][T10069]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  482.556469][T10069]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  482.556470][T10069]  ? 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)
[  482.556471][T10069]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  482.556473][T10069]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  482.556474][T10069]  ? register_netdev (net/core/dev.c:11618)
[  482.556476][T10069]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  482.556478][T10069]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  482.556480][T10069]  ? __kernel_text_address (kernel/extable.c:79)
[  482.556482][T10069]  ? write_profile (profile.c:?)
[  482.556485][T10069]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  482.556488][T10069]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  482.556490][T10069]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  482.556492][T10069]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  482.556493][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556494][T10069]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  482.556498][T10069]  ? kasan_save_stack (mm/kasan/common.c:58)
[  482.556499][T10069]  ? kasan_save_stack (mm/kasan/common.c:57)
[  482.556500][T10069]  ? kasan_save_track (mm/kasan/common.c:78)
[  482.556501][T10069]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  482.556503][T10069]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  482.556504][T10069]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  482.556505][T10069]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  482.556506][T10069]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  482.556509][T10069]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  482.556511][T10069]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  482.556512][T10069]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  482.556515][T10069]  ? ____sys_sendmsg (net/socket.c:2713)
[  482.556516][T10069]  ? ___sys_sendmsg (net/socket.c:2767)
[  482.556518][T10069]  ? __sys_sendmsg (net/socket.c:2799)
[  482.556519][T10069]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  482.556521][T10069]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  482.556524][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556525][T10069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.556527][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556528][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556529][T10069]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  482.556530][T10069]  ? __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)
[  482.556531][T10069]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  482.556533][T10069]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  482.556534][T10069]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  482.556535][T10069]  ? nla_get_range_signed (lib/nlattr.c:270)
[  482.556539][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556540][T10069]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  482.556542][T10069]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  482.556544][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556545][T10069]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  482.556546][T10069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.556548][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556549][T10069]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  482.556552][T10069]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  482.556553][T10069]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  482.556555][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556556][T10069]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  482.556559][T10069]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  482.556562][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556563][T10069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.556564][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556565][T10069]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  482.556567][T10069]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  482.556569][T10069]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  482.556570][T10069]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  482.556571][T10069]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  482.556574][T10069]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  482.556575][T10069]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  482.556577][T10069]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  482.556578][T10069]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  482.556580][T10069]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  482.556583][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556584][T10069]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  482.556586][T10069]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  482.556588][T10069]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  482.556590][T10069]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  482.556592][T10069]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  482.556594][T10069]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  482.556596][T10069]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  482.556598][T10069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.556599][T10069]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  482.556602][T10069]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  482.556604][T10069]  ____sys_sendmsg (net/socket.c:2713)
[  482.556606][T10069]  ? copy_msghdr_from_user (net/socket.c:2650)
[  482.556608][T10069]  ? sock_write_iter (net/socket.c:1269)
[  482.556609][T10069]  ? move_addr_to_kernel (net/socket.c:258)
[  482.556611][T10069]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  482.556613][T10069]  ___sys_sendmsg (net/socket.c:2767)
[  482.556615][T10069]  ? copy_msghdr_from_user (net/socket.c:2619)
[  482.556620][T10069]  __sys_sendmsg (net/socket.c:2799)
[  482.556622][T10069]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  482.556624][T10069]  ? 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)
[  482.556627][T10069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.556628][T10069]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  482.556630][T10069]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  482.556632][T10069]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  482.556633][T10069] RIP: 0033:0x7fe7605fa54e
[  482.556635][T10069] 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
[  482.556637][T10069] RSP: 002b:00007ffeb4c38c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  482.556641][T10069] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe7605fa54e
[  482.556642][T10069] RDX: 0000000000000000 RSI: 00007ffeb4c38d30 RDI: 0000000000000005
[  482.556643][T10069] RBP: 00007ffeb4c38c90 R08: 0000000000000000 R09: 0000000000000000
[  482.556644][T10069] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ead4
[  482.556645][T10069] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb4c393f0
| [  483.600870][T10119] softirqs last disabled at (0): 0x0
| [  483.600872][T10119] Preemption disabled at:
| [  483.600873][T10119] vprintk_emit (kernel/printk/printk.c:2471)
| [  483.600883][T10119] Tainted: [W]=WARN
[  483.600884][T10119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  483.600886][T10119] Call Trace:
[  483.600888][T10119]  <TASK>
[  483.600889][T10119]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  483.600894][T10119]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  483.600896][T10119]  __might_resched.cold (kernel/sched/core.c:9234)
[  483.600900][T10119]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  483.600902][T10119]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  483.600905][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.600908][T10119]  __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))
[  483.600911][T10119]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.600914][T10119]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.600919][T10119]  ? 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)
[  483.600921][T10119]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.600923][T10119]  put_chars (drivers/char/virtio_console.c:1176)
[  483.600925][T10119]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  483.600927][T10119]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  483.600930][T10119]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  483.600934][T10119]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  483.600936][T10119]  ? vsnprintf (lib/vsprintf.c:2900)
[  483.600940][T10119]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.600941][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.600942][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.600944][T10119]  console_emit_next_record (kernel/printk/printk.c:3183)
[  483.600947][T10119]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  483.600949][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.600950][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.600951][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.600952][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.600955][T10119]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  483.600956][T10119]  console_flush_one_record (kernel/printk/printk.c:3268)
[  483.600959][T10119]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  483.600962][T10119]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  483.600964][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.600965][T10119]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  483.600967][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.600968][T10119]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  483.600970][T10119]  ? 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)
[  483.600971][T10119]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  483.600973][T10119]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  483.600975][T10119]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  483.600976][T10119]  vprintk_emit (kernel/printk/printk.c:2479)
[  483.600978][T10119]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  483.600979][T10119]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.600981][T10119]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  483.600984][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.600985][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.600987][T10119]  _printk (kernel/printk/printk.c:2504)
[  483.600990][T10119]  ? snapshot_read.cold (user.c:?)
[  483.600992][T10119]  ? br_multicast_flood (??:?)
[  483.600995][T10119]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  483.600998][T10119]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  483.600999][T10119]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  483.601001][T10119]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  483.601004][T10119]  br_init_port (net/bridge/br_stp_if.c:39)
[  483.601005][T10119]  new_nbp (net/bridge/br_if.c:449)
[  483.601008][T10119]  br_add_if (net/bridge/br_if.c:592)
[  483.601009][T10119]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  483.601014][T10119]  do_set_master (net/core/rtnetlink.c:3071)
[  483.601015][T10119]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  483.601017][T10119]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  483.601018][T10119]  ? __dev_get_by_name (net/core/dev.c:905)
[  483.601020][T10119]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  483.601024][T10119]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  483.601027][T10119]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  483.601029][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.601030][T10119]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  483.601031][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.601033][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.601034][T10119]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  483.601037][T10119]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  483.601039][T10119]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  483.601042][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.601043][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.601044][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.601045][T10119]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  483.601047][T10119]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  483.601049][T10119]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  483.601050][T10119]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  483.601052][T10119]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  483.601055][T10119]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  483.601058][T10119]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  483.601060][T10119]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  483.601062][T10119]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  483.601063][T10119]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  483.601066][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.601068][T10119]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  483.601070][T10119]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  483.601072][T10119]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  483.601074][T10119]  ? next_uptodate_folio (mm/filemap.c:3747)
[  483.601077][T10119]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  483.601079][T10119]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  483.601081][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.601083][T10119]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  483.601086][T10119]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  483.601089][T10119]  ____sys_sendmsg (net/socket.c:2713)
[  483.601090][T10119]  ? copy_msghdr_from_user (net/socket.c:2650)
[  483.601092][T10119]  ? sock_write_iter (net/socket.c:1269)
[  483.601094][T10119]  ? move_addr_to_kernel (net/socket.c:258)
[  483.601096][T10119]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  483.601098][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.601100][T10119]  ___sys_sendmsg (net/socket.c:2767)
[  483.601102][T10119]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  483.601104][T10119]  ? copy_msghdr_from_user (net/socket.c:2619)
[  483.601105][T10119]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  483.601110][T10119]  __sys_sendmsg (net/socket.c:2799)
[  483.601112][T10119]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  483.601115][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.601116][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.601117][T10119]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  483.601120][T10119]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  483.601122][T10119]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  483.601124][T10119] RIP: 0033:0x7f3223ee254e
[  483.601126][T10119] 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
[  483.601127][T10119] RSP: 002b:00007fffee7a2560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  483.601131][T10119] RAX: ffffffffffffffda RBX: 00007fffee7a2d28 RCX: 00007f3223ee254e
[  483.601133][T10119] RDX: 0000000000000000 RSI: 00007fffee7a2610 RDI: 0000000000000005
[  483.601134][T10119] RBP: 00007fffee7a2570 R08: 0000000000000000 R09: 0000000000000000
[  483.601134][T10119] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ead5
[  483.601135][T10119] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffee7a2ce0
| [  490.374790][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  490.374793][   T12] Preemption disabled at:
| [  490.374793][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  490.374804][   T12] Tainted: [W]=WARN
[  490.374805][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  490.374807][   T12] Workqueue: netns cleanup_net
[  490.374813][   T12] Call Trace:
[  490.374815][   T12]  <TASK>
[  490.374816][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  490.374821][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  490.374823][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  490.374826][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  490.374829][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  490.374832][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.374834][   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))
[  490.374838][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  490.374840][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  490.374845][   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)
[  490.374847][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  490.374849][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  490.374851][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  490.374853][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  490.374855][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  490.374860][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  490.374861][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  490.374864][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  490.374866][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.374867][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.374868][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  490.374871][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  490.374873][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.374874][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.374875][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.374876][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  490.374878][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  490.374880][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  490.374883][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  490.374885][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  490.374887][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  490.374889][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  490.374891][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.374892][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  490.374893][   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)
[  490.374895][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  490.374896][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  490.374898][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  490.374900][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  490.374902][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  490.374903][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  490.374904][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  490.374907][   T12]  ? kthread (kernel/kthread.c:436)
[  490.374909][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  490.374912][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  490.374915][   T12]  _printk (kernel/printk/printk.c:2504)
[  490.374918][   T12]  ? snapshot_read.cold (user.c:?)
[  490.374920][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  490.374923][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  490.374925][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  490.374928][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  490.374930][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.374931][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  490.374932][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  490.374936][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  490.374937][   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)
[  490.374938][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  490.374941][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  490.374943][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  490.374948][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  490.374950][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  490.374952][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  490.374954][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  490.374956][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  490.374959][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  490.374961][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  490.374963][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  490.374964][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.374966][   T12]  process_one_work (kernel/workqueue.c:3387)
[  490.374969][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  490.374971][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  490.374973][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  490.374975][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  490.374978][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  490.374980][   T12]  kthread (kernel/kthread.c:436)
[  490.374982][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  490.374983][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  490.374985][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  490.374987][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  490.374989][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  490.374992][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  490.374994][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  491.568164][T10281] softirqs last disabled at (0): 0x0
| [  491.568166][T10281] Preemption disabled at:
| [  491.568167][T10281] vprintk_emit (kernel/printk/printk.c:2471)
| [  491.568176][T10281] Tainted: [W]=WARN
[  491.568177][T10281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  491.568179][T10281] Call Trace:
[  491.568181][T10281]  <TASK>
[  491.568182][T10281]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  491.568188][T10281]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  491.568190][T10281]  __might_resched.cold (kernel/sched/core.c:9234)
[  491.568194][T10281]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  491.568196][T10281]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  491.568199][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568202][T10281]  __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))
[  491.568205][T10281]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  491.568208][T10281]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  491.568213][T10281]  ? 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)
[  491.568215][T10281]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  491.568217][T10281]  put_chars (drivers/char/virtio_console.c:1176)
[  491.568219][T10281]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  491.568220][T10281]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  491.568223][T10281]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  491.568233][T10281]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  491.568235][T10281]  ? vsnprintf (lib/vsprintf.c:2900)
[  491.568239][T10281]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  491.568240][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568241][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568243][T10281]  console_emit_next_record (kernel/printk/printk.c:3183)
[  491.568246][T10281]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  491.568248][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568249][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568250][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568251][T10281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.568254][T10281]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  491.568256][T10281]  console_flush_one_record (kernel/printk/printk.c:3268)
[  491.568258][T10281]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  491.568261][T10281]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  491.568263][T10281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.568264][T10281]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  491.568266][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568267][T10281]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  491.568268][T10281]  ? 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)
[  491.568270][T10281]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  491.568271][T10281]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  491.568274][T10281]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  491.568275][T10281]  vprintk_emit (kernel/printk/printk.c:2479)
[  491.568277][T10281]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  491.568278][T10281]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  491.568280][T10281]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  491.568282][T10281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.568284][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568286][T10281]  _printk (kernel/printk/printk.c:2504)
[  491.568289][T10281]  ? snapshot_read.cold (user.c:?)
[  491.568290][T10281]  ? br_multicast_flood (??:?)
[  491.568294][T10281]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  491.568297][T10281]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  491.568298][T10281]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  491.568300][T10281]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  491.568303][T10281]  br_init_port (net/bridge/br_stp_if.c:39)
[  491.568305][T10281]  new_nbp (net/bridge/br_if.c:449)
[  491.568307][T10281]  br_add_if (net/bridge/br_if.c:592)
[  491.568309][T10281]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  491.568313][T10281]  do_set_master (net/core/rtnetlink.c:3071)
[  491.568315][T10281]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  491.568316][T10281]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  491.568318][T10281]  ? __dev_get_by_name (net/core/dev.c:905)
[  491.568320][T10281]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  491.568324][T10281]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  491.568326][T10281]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  491.568328][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568330][T10281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  491.568331][T10281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.568332][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568334][T10281]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  491.568337][T10281]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  491.568339][T10281]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  491.568341][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568342][T10281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.568344][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568345][T10281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  491.568346][T10281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  491.568348][T10281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  491.568350][T10281]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  491.568351][T10281]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  491.568355][T10281]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  491.568358][T10281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  491.568360][T10281]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  491.568361][T10281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  491.568363][T10281]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  491.568366][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568367][T10281]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  491.568369][T10281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  491.568372][T10281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  491.568374][T10281]  ? next_uptodate_folio (mm/filemap.c:3747)
[  491.568377][T10281]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  491.568379][T10281]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  491.568381][T10281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.568383][T10281]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  491.568386][T10281]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  491.568389][T10281]  ____sys_sendmsg (net/socket.c:2713)
[  491.568391][T10281]  ? copy_msghdr_from_user (net/socket.c:2650)
[  491.568393][T10281]  ? sock_write_iter (net/socket.c:1269)
[  491.568394][T10281]  ? move_addr_to_kernel (net/socket.c:258)
[  491.568396][T10281]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  491.568399][T10281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.568401][T10281]  ___sys_sendmsg (net/socket.c:2767)
[  491.568402][T10281]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  491.568404][T10281]  ? copy_msghdr_from_user (net/socket.c:2619)
[  491.568406][T10281]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  491.568410][T10281]  __sys_sendmsg (net/socket.c:2799)
[  491.568412][T10281]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  491.568415][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568416][T10281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.568417][T10281]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  491.568420][T10281]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  491.568422][T10281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  491.568424][T10281] RIP: 0033:0x7f9c9463d54e
[  491.568426][T10281] 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
[  491.568428][T10281] RSP: 002b:00007ffde8c409c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  491.568432][T10281] RAX: ffffffffffffffda RBX: 00007ffde8c41188 RCX: 00007f9c9463d54e
[  491.568433][T10281] RDX: 0000000000000000 RSI: 00007ffde8c40a70 RDI: 0000000000000005
[  491.568434][T10281] RBP: 00007ffde8c409d0 R08: 0000000000000000 R09: 0000000000000000
[  491.568435][T10281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eadd
[  491.568436][T10281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde8c41140
| [  492.835602][T10349] softirqs last disabled at (0): 0x0
| [  492.835604][T10349] Preemption disabled at:
| [  492.835604][T10349] vprintk_emit (kernel/printk/printk.c:2471)
| [  492.835614][T10349] Tainted: [W]=WARN
[  492.835615][T10349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  492.835617][T10349] Call Trace:
[  492.835619][T10349]  <TASK>
[  492.835620][T10349]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  492.835626][T10349]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  492.835627][T10349]  __might_resched.cold (kernel/sched/core.c:9234)
[  492.835631][T10349]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  492.835634][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835637][T10349]  __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))
[  492.835640][T10349]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  492.835643][T10349]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  492.835652][T10349]  ? 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)
[  492.835654][T10349]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  492.835657][T10349]  put_chars (drivers/char/virtio_console.c:1176)
[  492.835658][T10349]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  492.835660][T10349]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  492.835662][T10349]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  492.835664][T10349]  ? pointer (lib/vsprintf.c:2577)
[  492.835668][T10349]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  492.835672][T10349]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  492.835674][T10349]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  492.835676][T10349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.835678][T10349]  console_emit_next_record (kernel/printk/printk.c:3183)
[  492.835681][T10349]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  492.835683][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835684][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835685][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835686][T10349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.835688][T10349]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  492.835690][T10349]  console_flush_one_record (kernel/printk/printk.c:3268)
[  492.835692][T10349]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  492.835695][T10349]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  492.835697][T10349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.835698][T10349]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  492.835700][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835701][T10349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  492.835702][T10349]  ? 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)
[  492.835704][T10349]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  492.835705][T10349]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  492.835707][T10349]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  492.835709][T10349]  vprintk_emit (kernel/printk/printk.c:2479)
[  492.835710][T10349]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  492.835712][T10349]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  492.835714][T10349]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  492.835717][T10349]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  492.835720][T10349]  _printk (kernel/printk/printk.c:2504)
[  492.835723][T10349]  ? snapshot_read.cold (user.c:?)
[  492.835724][T10349]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  492.835727][T10349]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  492.835730][T10349]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  492.835732][T10349]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.835735][T10349]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  492.835738][T10349]  ? netdev_notice (net/core/dev.c:13194)
[  492.835740][T10349]  ? 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)
[  492.835741][T10349]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  492.835744][T10349]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  492.835745][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835746][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835747][T10349]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  492.835749][T10349]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  492.835750][T10349]  ? 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)
[  492.835752][T10349]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.835753][T10349]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  492.835754][T10349]  ? register_netdev (net/core/dev.c:11618)
[  492.835756][T10349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  492.835758][T10349]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  492.835760][T10349]  ? __kernel_text_address (kernel/extable.c:79)
[  492.835762][T10349]  ? write_profile (profile.c:?)
[  492.835765][T10349]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  492.835769][T10349]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.835771][T10349]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  492.835772][T10349]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  492.835773][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835775][T10349]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  492.835778][T10349]  ? kasan_save_stack (mm/kasan/common.c:58)
[  492.835780][T10349]  ? kasan_save_stack (mm/kasan/common.c:57)
[  492.835781][T10349]  ? kasan_save_track (mm/kasan/common.c:78)
[  492.835782][T10349]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  492.835783][T10349]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  492.835784][T10349]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  492.835785][T10349]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  492.835787][T10349]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  492.835790][T10349]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  492.835791][T10349]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  492.835793][T10349]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  492.835795][T10349]  ? ____sys_sendmsg (net/socket.c:2713)
[  492.835796][T10349]  ? ___sys_sendmsg (net/socket.c:2767)
[  492.835798][T10349]  ? __sys_sendmsg (net/socket.c:2799)
[  492.835800][T10349]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  492.835802][T10349]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  492.835804][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835805][T10349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.835807][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835808][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835809][T10349]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  492.835811][T10349]  ? __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)
[  492.835812][T10349]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  492.835813][T10349]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  492.835815][T10349]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  492.835815][T10349]  ? nla_get_range_signed (lib/nlattr.c:270)
[  492.835819][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835820][T10349]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  492.835822][T10349]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  492.835824][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835825][T10349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.835826][T10349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.835828][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835829][T10349]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  492.835831][T10349]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  492.835833][T10349]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  492.835834][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835835][T10349]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  492.835839][T10349]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  492.835841][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835842][T10349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.835844][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835845][T10349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.835846][T10349]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  492.835848][T10349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  492.835849][T10349]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  492.835851][T10349]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  492.835853][T10349]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  492.835855][T10349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  492.835856][T10349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  492.835858][T10349]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  492.835859][T10349]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  492.835862][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835864][T10349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  492.835866][T10349]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  492.835868][T10349]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  492.835869][T10349]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  492.835871][T10349]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  492.835873][T10349]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  492.835875][T10349]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  492.835877][T10349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.835878][T10349]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  492.835881][T10349]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  492.835883][T10349]  ____sys_sendmsg (net/socket.c:2713)
[  492.835885][T10349]  ? copy_msghdr_from_user (net/socket.c:2650)
[  492.835887][T10349]  ? sock_write_iter (net/socket.c:1269)
[  492.835888][T10349]  ? move_addr_to_kernel (net/socket.c:258)
[  492.835889][T10349]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  492.835892][T10349]  ___sys_sendmsg (net/socket.c:2767)
[  492.835894][T10349]  ? copy_msghdr_from_user (net/socket.c:2619)
[  492.835898][T10349]  __sys_sendmsg (net/socket.c:2799)
[  492.835900][T10349]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  492.835903][T10349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.835905][T10349]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  492.835906][T10349]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  492.835908][T10349]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  492.835910][T10349] RIP: 0033:0x7f018207354e
[  492.835912][T10349] 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
[  492.835913][T10349] RSP: 002b:00007fff1c9f0270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  492.835917][T10349] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f018207354e
[  492.835918][T10349] RDX: 0000000000000000 RSI: 00007fff1c9f0320 RDI: 0000000000000005
[  492.835920][T10349] RBP: 00007fff1c9f0280 R08: 0000000000000000 R09: 0000000000000000
[  492.835920][T10349] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eadf
[  492.835921][T10349] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1c9f09e0
| [  493.898034][T10407] softirqs last disabled at (0): 0x0
| [  493.898036][T10407] Preemption disabled at:
| [  493.898037][T10407] vprintk_emit (kernel/printk/printk.c:2471)
| [  493.898047][T10407] Tainted: [W]=WARN
[  493.898048][T10407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  493.898050][T10407] Call Trace:
[  493.898052][T10407]  <TASK>
[  493.898053][T10407]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  493.898059][T10407]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  493.898060][T10407]  __might_resched.cold (kernel/sched/core.c:9234)
[  493.898063][T10407]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  493.898065][T10407]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  493.898069][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898072][T10407]  __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))
[  493.898074][T10407]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  493.898077][T10407]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  493.898082][T10407]  ? 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)
[  493.898084][T10407]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  493.898087][T10407]  put_chars (drivers/char/virtio_console.c:1176)
[  493.898088][T10407]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  493.898090][T10407]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  493.898093][T10407]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  493.898098][T10407]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  493.898099][T10407]  ? vsnprintf (lib/vsprintf.c:2900)
[  493.898103][T10407]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  493.898104][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898105][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898107][T10407]  console_emit_next_record (kernel/printk/printk.c:3183)
[  493.898110][T10407]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  493.898112][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898113][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898114][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898115][T10407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.898118][T10407]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  493.898119][T10407]  console_flush_one_record (kernel/printk/printk.c:3268)
[  493.898122][T10407]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  493.898125][T10407]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  493.898127][T10407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.898128][T10407]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  493.898130][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898131][T10407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  493.898132][T10407]  ? 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)
[  493.898134][T10407]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  493.898135][T10407]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  493.898137][T10407]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  493.898139][T10407]  vprintk_emit (kernel/printk/printk.c:2479)
[  493.898141][T10407]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  493.898142][T10407]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  493.898143][T10407]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  493.898146][T10407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.898148][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898150][T10407]  _printk (kernel/printk/printk.c:2504)
[  493.898152][T10407]  ? snapshot_read.cold (user.c:?)
[  493.898154][T10407]  ? br_multicast_flood (??:?)
[  493.898158][T10407]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  493.898161][T10407]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  493.898162][T10407]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  493.898164][T10407]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  493.898166][T10407]  br_init_port (net/bridge/br_stp_if.c:39)
[  493.898168][T10407]  new_nbp (net/bridge/br_if.c:449)
[  493.898170][T10407]  br_add_if (net/bridge/br_if.c:592)
[  493.898172][T10407]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  493.898176][T10407]  do_set_master (net/core/rtnetlink.c:3071)
[  493.898178][T10407]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  493.898180][T10407]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  493.898181][T10407]  ? __dev_get_by_name (net/core/dev.c:905)
[  493.898183][T10407]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  493.898187][T10407]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  493.898189][T10407]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  493.898191][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898193][T10407]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  493.898194][T10407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.898195][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898197][T10407]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  493.898200][T10407]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  493.898202][T10407]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  493.898204][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898205][T10407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.898207][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898208][T10407]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  493.898209][T10407]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  493.898211][T10407]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  493.898213][T10407]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  493.898214][T10407]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  493.898218][T10407]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  493.898222][T10407]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  493.898223][T10407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  493.898225][T10407]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  493.898226][T10407]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  493.898229][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898230][T10407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  493.898237][T10407]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  493.898239][T10407]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  493.898241][T10407]  ? next_uptodate_folio (mm/filemap.c:3747)
[  493.898244][T10407]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  493.898246][T10407]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  493.898248][T10407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.898250][T10407]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  493.898253][T10407]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  493.898256][T10407]  ____sys_sendmsg (net/socket.c:2713)
[  493.898258][T10407]  ? copy_msghdr_from_user (net/socket.c:2650)
[  493.898260][T10407]  ? sock_write_iter (net/socket.c:1269)
[  493.898261][T10407]  ? move_addr_to_kernel (net/socket.c:258)
[  493.898263][T10407]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  493.898266][T10407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.898268][T10407]  ___sys_sendmsg (net/socket.c:2767)
[  493.898270][T10407]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  493.898271][T10407]  ? copy_msghdr_from_user (net/socket.c:2619)
[  493.898273][T10407]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  493.898278][T10407]  __sys_sendmsg (net/socket.c:2799)
[  493.898279][T10407]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  493.898282][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898283][T10407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.898285][T10407]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  493.898287][T10407]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  493.898290][T10407]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  493.898292][T10407] RIP: 0033:0x7f80b3e1954e
[  493.898294][T10407] 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
[  493.898295][T10407] RSP: 002b:00007ffd84f4ede0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  493.898299][T10407] RAX: ffffffffffffffda RBX: 00007ffd84f4f5a8 RCX: 00007f80b3e1954e
[  493.898301][T10407] RDX: 0000000000000000 RSI: 00007ffd84f4ee90 RDI: 0000000000000005
[  493.898302][T10407] RBP: 00007ffd84f4edf0 R08: 0000000000000000 R09: 0000000000000000
[  493.898303][T10407] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eae0
[  493.898303][T10407] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd84f4f560
| [  500.670378][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  500.670381][   T12] Preemption disabled at:
| [  500.670382][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  500.670392][   T12] Tainted: [W]=WARN
[  500.670393][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  500.670395][   T12] Workqueue: netns cleanup_net
[  500.670401][   T12] Call Trace:
[  500.670402][   T12]  <TASK>
[  500.670404][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  500.670409][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  500.670410][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  500.670414][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  500.670417][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  500.670420][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.670422][   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))
[  500.670425][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  500.670428][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  500.670433][   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)
[  500.670435][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  500.670437][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  500.670439][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  500.670441][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  500.670443][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  500.670448][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  500.670450][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  500.670452][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  500.670454][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.670455][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.670457][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  500.670460][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  500.670462][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.670463][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.670464][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.670465][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.670468][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  500.670469][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  500.670472][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  500.670474][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  500.670477][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.670478][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  500.670480][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.670481][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  500.670483][   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)
[  500.670484][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  500.670486][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  500.670488][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  500.670489][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  500.670491][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  500.670492][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  500.670494][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  500.670497][   T12]  ? kthread (kernel/kthread.c:436)
[  500.670499][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  500.670502][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  500.670505][   T12]  _printk (kernel/printk/printk.c:2504)
[  500.670508][   T12]  ? snapshot_read.cold (user.c:?)
[  500.670510][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  500.670513][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  500.670516][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  500.670518][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  500.670520][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.670521][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  500.670523][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  500.670526][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  500.670527][   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)
[  500.670529][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  500.670531][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  500.670534][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  500.670537][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  500.670540][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  500.670542][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  500.670544][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  500.670546][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  500.670549][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  500.670551][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  500.670552][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  500.670555][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.670557][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.670558][   T12]  process_one_work (kernel/workqueue.c:3387)
[  500.670561][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  500.670563][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  500.670565][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  500.670568][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  500.670571][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  500.670573][   T12]  kthread (kernel/kthread.c:436)
[  500.670574][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  500.670576][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  500.670578][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  500.670580][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  500.670582][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  500.670585][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  500.670586][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  501.825460][T10569] softirqs last disabled at (0): 0x0
| [  501.825462][T10569] Preemption disabled at:
| [  501.825463][T10569] vprintk_emit (kernel/printk/printk.c:2471)
| [  501.825474][T10569] Tainted: [W]=WARN
[  501.825475][T10569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  501.825477][T10569] Call Trace:
[  501.825478][T10569]  <TASK>
[  501.825479][T10569]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  501.825485][T10569]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  501.825487][T10569]  __might_resched.cold (kernel/sched/core.c:9234)
[  501.825490][T10569]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  501.825492][T10569]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  501.825496][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825498][T10569]  __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))
[  501.825502][T10569]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  501.825505][T10569]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.825510][T10569]  ? 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)
[  501.825512][T10569]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.825514][T10569]  put_chars (drivers/char/virtio_console.c:1176)
[  501.825516][T10569]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  501.825518][T10569]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  501.825521][T10569]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  501.825525][T10569]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  501.825527][T10569]  ? vsnprintf (lib/vsprintf.c:2900)
[  501.825531][T10569]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  501.825532][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825533][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825535][T10569]  console_emit_next_record (kernel/printk/printk.c:3183)
[  501.825538][T10569]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  501.825540][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825541][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825542][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825543][T10569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.825546][T10569]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  501.825547][T10569]  console_flush_one_record (kernel/printk/printk.c:3268)
[  501.825550][T10569]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  501.825553][T10569]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  501.825555][T10569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.825556][T10569]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  501.825558][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825559][T10569]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  501.825561][T10569]  ? 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)
[  501.825562][T10569]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  501.825564][T10569]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  501.825566][T10569]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  501.825568][T10569]  vprintk_emit (kernel/printk/printk.c:2479)
[  501.825569][T10569]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  501.825571][T10569]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  501.825572][T10569]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  501.825576][T10569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.825577][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825579][T10569]  _printk (kernel/printk/printk.c:2504)
[  501.825582][T10569]  ? snapshot_read.cold (user.c:?)
[  501.825584][T10569]  ? br_multicast_flood (??:?)
[  501.825587][T10569]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  501.825590][T10569]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  501.825591][T10569]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  501.825593][T10569]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  501.825596][T10569]  br_init_port (net/bridge/br_stp_if.c:39)
[  501.825598][T10569]  new_nbp (net/bridge/br_if.c:449)
[  501.825601][T10569]  br_add_if (net/bridge/br_if.c:592)
[  501.825602][T10569]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  501.825606][T10569]  do_set_master (net/core/rtnetlink.c:3071)
[  501.825608][T10569]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  501.825610][T10569]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  501.825612][T10569]  ? __dev_get_by_name (net/core/dev.c:905)
[  501.825613][T10569]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  501.825617][T10569]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  501.825620][T10569]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  501.825622][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825623][T10569]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.825625][T10569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.825626][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825628][T10569]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  501.825630][T10569]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  501.825632][T10569]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  501.825635][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825636][T10569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.825637][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825639][T10569]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.825640][T10569]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  501.825642][T10569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.825643][T10569]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  501.825645][T10569]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  501.825651][T10569]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  501.825654][T10569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.825655][T10569]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  501.825657][T10569]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  501.825659][T10569]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  501.825662][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825663][T10569]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  501.825665][T10569]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  501.825668][T10569]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  501.825670][T10569]  ? next_uptodate_folio (mm/filemap.c:3747)
[  501.825673][T10569]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  501.825675][T10569]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  501.825677][T10569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.825679][T10569]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  501.825682][T10569]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  501.825685][T10569]  ____sys_sendmsg (net/socket.c:2713)
[  501.825687][T10569]  ? copy_msghdr_from_user (net/socket.c:2650)
[  501.825689][T10569]  ? sock_write_iter (net/socket.c:1269)
[  501.825690][T10569]  ? move_addr_to_kernel (net/socket.c:258)
[  501.825692][T10569]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  501.825695][T10569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.825697][T10569]  ___sys_sendmsg (net/socket.c:2767)
[  501.825699][T10569]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  501.825700][T10569]  ? copy_msghdr_from_user (net/socket.c:2619)
[  501.825702][T10569]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  501.825707][T10569]  __sys_sendmsg (net/socket.c:2799)
[  501.825709][T10569]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  501.825712][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825713][T10569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.825715][T10569]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  501.825717][T10569]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  501.825719][T10569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  501.825721][T10569] RIP: 0033:0x7f38588c354e
[  501.825723][T10569] 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
[  501.825725][T10569] RSP: 002b:00007fff6f0bbff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  501.825729][T10569] RAX: ffffffffffffffda RBX: 00007fff6f0bc7b8 RCX: 00007f38588c354e
[  501.825731][T10569] RDX: 0000000000000000 RSI: 00007fff6f0bc0a0 RDI: 0000000000000005
[  501.825732][T10569] RBP: 00007fff6f0bc000 R08: 0000000000000000 R09: 0000000000000000
[  501.825733][T10569] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eae8
[  501.825733][T10569] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6f0bc770
| [  503.136787][T10638] softirqs last disabled at (0): 0x0
| [  503.136789][T10638] Preemption disabled at:
| [  503.136790][T10638] vprintk_emit (kernel/printk/printk.c:2471)
| [  503.136800][T10638] Tainted: [W]=WARN
[  503.136801][T10638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  503.136803][T10638] Call Trace:
[  503.136804][T10638]  <TASK>
[  503.136806][T10638]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  503.136811][T10638]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  503.136812][T10638]  __might_resched.cold (kernel/sched/core.c:9234)
[  503.136817][T10638]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  503.136820][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.136823][T10638]  __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))
[  503.136826][T10638]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  503.136829][T10638]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  503.136833][T10638]  ? 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)
[  503.136835][T10638]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  503.136838][T10638]  put_chars (drivers/char/virtio_console.c:1176)
[  503.136840][T10638]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  503.136841][T10638]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  503.136843][T10638]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  503.136845][T10638]  ? pointer (lib/vsprintf.c:2577)
[  503.136848][T10638]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  503.136853][T10638]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  503.136855][T10638]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  503.136856][T10638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.136859][T10638]  console_emit_next_record (kernel/printk/printk.c:3183)
[  503.136862][T10638]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  503.136864][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.136865][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.136866][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.136867][T10638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.136869][T10638]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  503.136870][T10638]  console_flush_one_record (kernel/printk/printk.c:3268)
[  503.136873][T10638]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  503.136875][T10638]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  503.136877][T10638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.136879][T10638]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  503.136881][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.136882][T10638]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  503.136884][T10638]  ? 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)
[  503.136885][T10638]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  503.136886][T10638]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  503.136888][T10638]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  503.136890][T10638]  vprintk_emit (kernel/printk/printk.c:2479)
[  503.136892][T10638]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  503.136893][T10638]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  503.136895][T10638]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  503.136898][T10638]  _printk (kernel/printk/printk.c:2504)
[  503.136901][T10638]  ? snapshot_read.cold (user.c:?)
[  503.136903][T10638]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  503.136905][T10638]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  503.136908][T10638]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  503.136910][T10638]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  503.136913][T10638]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  503.136916][T10638]  ? netdev_notice (net/core/dev.c:13194)
[  503.136918][T10638]  ? 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)
[  503.136919][T10638]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  503.136922][T10638]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  503.136924][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.136925][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.136926][T10638]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  503.136929][T10638]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  503.136930][T10638]  ? 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)
[  503.136932][T10638]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  503.136933][T10638]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  503.136935][T10638]  ? register_netdev (net/core/dev.c:11618)
[  503.136936][T10638]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  503.136938][T10638]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  503.136940][T10638]  ? __kernel_text_address (kernel/extable.c:79)
[  503.136943][T10638]  ? write_profile (profile.c:?)
[  503.136945][T10638]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  503.136949][T10638]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  503.136951][T10638]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  503.136952][T10638]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  503.136953][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.136955][T10638]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  503.136958][T10638]  ? kasan_save_stack (mm/kasan/common.c:58)
[  503.136960][T10638]  ? kasan_save_stack (mm/kasan/common.c:57)
[  503.136961][T10638]  ? kasan_save_track (mm/kasan/common.c:78)
[  503.136962][T10638]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  503.136963][T10638]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  503.136964][T10638]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  503.136966][T10638]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  503.136967][T10638]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  503.136970][T10638]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  503.136971][T10638]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  503.136973][T10638]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  503.136975][T10638]  ? ____sys_sendmsg (net/socket.c:2713)
[  503.136977][T10638]  ? ___sys_sendmsg (net/socket.c:2767)
[  503.136978][T10638]  ? __sys_sendmsg (net/socket.c:2799)
[  503.136980][T10638]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  503.136982][T10638]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  503.136985][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.136986][T10638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.136987][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.136988][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.136989][T10638]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  503.136991][T10638]  ? __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)
[  503.136992][T10638]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  503.136993][T10638]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  503.136995][T10638]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  503.136996][T10638]  ? nla_get_range_signed (lib/nlattr.c:270)
[  503.136999][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.137000][T10638]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  503.137002][T10638]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  503.137005][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.137006][T10638]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  503.137007][T10638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.137008][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.137010][T10638]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  503.137012][T10638]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  503.137014][T10638]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  503.137015][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.137016][T10638]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  503.137020][T10638]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  503.137022][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.137023][T10638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.137024][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.137026][T10638]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  503.137027][T10638]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  503.137029][T10638]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  503.137030][T10638]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  503.137032][T10638]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  503.137034][T10638]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  503.137036][T10638]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  503.137037][T10638]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  503.137039][T10638]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  503.137040][T10638]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  503.137043][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.137045][T10638]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  503.137047][T10638]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  503.137049][T10638]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  503.137051][T10638]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  503.137052][T10638]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  503.137055][T10638]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  503.137056][T10638]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  503.137058][T10638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.137059][T10638]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  503.137063][T10638]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  503.137065][T10638]  ____sys_sendmsg (net/socket.c:2713)
[  503.137066][T10638]  ? copy_msghdr_from_user (net/socket.c:2650)
[  503.137068][T10638]  ? sock_write_iter (net/socket.c:1269)
[  503.137069][T10638]  ? move_addr_to_kernel (net/socket.c:258)
[  503.137071][T10638]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  503.137074][T10638]  ___sys_sendmsg (net/socket.c:2767)
[  503.137075][T10638]  ? copy_msghdr_from_user (net/socket.c:2619)
[  503.137080][T10638]  __sys_sendmsg (net/socket.c:2799)
[  503.137082][T10638]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  503.137085][T10638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.137086][T10638]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  503.137088][T10638]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  503.137090][T10638]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  503.137091][T10638] RIP: 0033:0x7feca972e54e
[  503.137093][T10638] 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
[  503.137095][T10638] RSP: 002b:00007ffcf3e4ca70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  503.137099][T10638] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007feca972e54e
[  503.137100][T10638] RDX: 0000000000000000 RSI: 00007ffcf3e4cb20 RDI: 0000000000000005
[  503.137101][T10638] RBP: 00007ffcf3e4ca80 R08: 0000000000000000 R09: 0000000000000000
[  503.137102][T10638] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eae9
[  503.137103][T10638] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf3e4d1e0
| [  504.185819][T10688] softirqs last disabled at (0): 0x0
| [  504.185821][T10688] Preemption disabled at:
| [  504.185821][T10688] vprintk_emit (kernel/printk/printk.c:2471)
| [  504.185832][T10688] Tainted: [W]=WARN
[  504.185833][T10688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  504.185835][T10688] Call Trace:
[  504.185837][T10688]  <TASK>
[  504.185838][T10688]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  504.185843][T10688]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  504.185845][T10688]  __might_resched.cold (kernel/sched/core.c:9234)
[  504.185849][T10688]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  504.185851][T10688]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  504.185854][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.185857][T10688]  __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))
[  504.185860][T10688]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  504.185863][T10688]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  504.185868][T10688]  ? 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)
[  504.185870][T10688]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  504.185872][T10688]  put_chars (drivers/char/virtio_console.c:1176)
[  504.185874][T10688]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  504.185876][T10688]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  504.185878][T10688]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  504.185883][T10688]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  504.185885][T10688]  ? vsnprintf (lib/vsprintf.c:2900)
[  504.185888][T10688]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  504.185889][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.185890][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.185892][T10688]  console_emit_next_record (kernel/printk/printk.c:3183)
[  504.185895][T10688]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  504.185897][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.185898][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.185899][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.185900][T10688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.185902][T10688]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  504.185904][T10688]  console_flush_one_record (kernel/printk/printk.c:3268)
[  504.185907][T10688]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  504.185909][T10688]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  504.185911][T10688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.185913][T10688]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  504.185915][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.185916][T10688]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  504.185917][T10688]  ? 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)
[  504.185919][T10688]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  504.185920][T10688]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  504.185922][T10688]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  504.185924][T10688]  vprintk_emit (kernel/printk/printk.c:2479)
[  504.185926][T10688]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  504.185927][T10688]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  504.185929][T10688]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  504.185932][T10688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.185933][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.185934][T10688]  _printk (kernel/printk/printk.c:2504)
[  504.185937][T10688]  ? snapshot_read.cold (user.c:?)
[  504.185939][T10688]  ? br_multicast_flood (??:?)
[  504.185943][T10688]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  504.185946][T10688]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  504.185947][T10688]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  504.185949][T10688]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  504.185952][T10688]  br_init_port (net/bridge/br_stp_if.c:39)
[  504.185954][T10688]  new_nbp (net/bridge/br_if.c:449)
[  504.185956][T10688]  br_add_if (net/bridge/br_if.c:592)
[  504.185958][T10688]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  504.185962][T10688]  do_set_master (net/core/rtnetlink.c:3071)
[  504.185964][T10688]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  504.185965][T10688]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  504.185967][T10688]  ? __dev_get_by_name (net/core/dev.c:905)
[  504.185968][T10688]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  504.185972][T10688]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  504.185975][T10688]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  504.185977][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.185978][T10688]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  504.185979][T10688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.185981][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.185982][T10688]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  504.185985][T10688]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  504.185987][T10688]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  504.185989][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.185990][T10688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.185992][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.185993][T10688]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  504.185994][T10688]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  504.185996][T10688]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  504.185997][T10688]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  504.185999][T10688]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  504.186003][T10688]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  504.186006][T10688]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  504.186007][T10688]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  504.186009][T10688]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  504.186010][T10688]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  504.186013][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.186014][T10688]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  504.186017][T10688]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  504.186019][T10688]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  504.186021][T10688]  ? next_uptodate_folio (mm/filemap.c:3747)
[  504.186024][T10688]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  504.186026][T10688]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  504.186028][T10688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.186030][T10688]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  504.186033][T10688]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  504.186036][T10688]  ____sys_sendmsg (net/socket.c:2713)
[  504.186037][T10688]  ? copy_msghdr_from_user (net/socket.c:2650)
[  504.186039][T10688]  ? sock_write_iter (net/socket.c:1269)
[  504.186041][T10688]  ? move_addr_to_kernel (net/socket.c:258)
[  504.186043][T10688]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  504.186045][T10688]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.186047][T10688]  ___sys_sendmsg (net/socket.c:2767)
[  504.186049][T10688]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  504.186051][T10688]  ? copy_msghdr_from_user (net/socket.c:2619)
[  504.186052][T10688]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  504.186057][T10688]  __sys_sendmsg (net/socket.c:2799)
[  504.186059][T10688]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  504.186061][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.186063][T10688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.186064][T10688]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  504.186066][T10688]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  504.186068][T10688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  504.186070][T10688] RIP: 0033:0x7f59f14d954e
[  504.186072][T10688] 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
[  504.186074][T10688] RSP: 002b:00007ffd3b885740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  504.186078][T10688] RAX: ffffffffffffffda RBX: 00007ffd3b885f08 RCX: 00007f59f14d954e
[  504.186080][T10688] RDX: 0000000000000000 RSI: 00007ffd3b8857f0 RDI: 0000000000000005
[  504.186081][T10688] RBP: 00007ffd3b885750 R08: 0000000000000000 R09: 0000000000000000
[  504.186081][T10688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eaea
[  504.186082][T10688] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3b885ec0
| [  510.989355][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  510.989358][   T12] Preemption disabled at:
| [  510.989359][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  510.989369][   T12] Tainted: [W]=WARN
[  510.989370][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  510.989373][   T12] Workqueue: netns cleanup_net
[  510.989378][   T12] Call Trace:
[  510.989380][   T12]  <TASK>
[  510.989382][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  510.989387][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  510.989388][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  510.989392][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  510.989394][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  510.989398][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.989400][   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))
[  510.989403][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  510.989406][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.989410][   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)
[  510.989412][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.989415][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  510.989416][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  510.989418][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  510.989421][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  510.989425][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  510.989427][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  510.989429][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  510.989431][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.989432][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.989434][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  510.989437][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  510.989439][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.989440][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.989441][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.989442][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.989444][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  510.989446][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  510.989449][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  510.989451][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  510.989453][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.989455][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  510.989457][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.989458][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  510.989459][   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)
[  510.989461][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  510.989462][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  510.989464][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  510.989466][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  510.989468][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  510.989469][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  510.989470][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  510.989473][   T12]  ? kthread (kernel/kthread.c:436)
[  510.989475][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  510.989478][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  510.989480][   T12]  _printk (kernel/printk/printk.c:2504)
[  510.989483][   T12]  ? snapshot_read.cold (user.c:?)
[  510.989486][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  510.989489][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  510.989491][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  510.989493][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  510.989495][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.989496][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  510.989498][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  510.989501][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  510.989503][   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)
[  510.989504][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  510.989506][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  510.989509][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  510.989513][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  510.989515][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  510.989518][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  510.989520][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  510.989522][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  510.989524][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  510.989526][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  510.989528][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.989530][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.989532][   T12]  process_one_work (kernel/workqueue.c:3387)
[  510.989534][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  510.989537][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.989539][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  510.989541][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  510.989544][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  510.989546][   T12]  kthread (kernel/kthread.c:436)
[  510.989548][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  510.989549][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  510.989551][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  510.989553][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  510.989555][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  510.989558][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  510.989560][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  512.201114][T10850] softirqs last disabled at (0): 0x0
| [  512.201115][T10850] Preemption disabled at:
| [  512.201116][T10850] vprintk_emit (kernel/printk/printk.c:2471)
| [  512.201126][T10850] Tainted: [W]=WARN
[  512.201127][T10850] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  512.201129][T10850] Call Trace:
[  512.201131][T10850]  <TASK>
[  512.201132][T10850]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  512.201138][T10850]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  512.201139][T10850]  __might_resched.cold (kernel/sched/core.c:9234)
[  512.201143][T10850]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  512.201145][T10850]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  512.201149][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201151][T10850]  __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))
[  512.201154][T10850]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  512.201157][T10850]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  512.201162][T10850]  ? 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)
[  512.201164][T10850]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  512.201166][T10850]  put_chars (drivers/char/virtio_console.c:1176)
[  512.201168][T10850]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  512.201170][T10850]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  512.201172][T10850]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  512.201177][T10850]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  512.201178][T10850]  ? vsnprintf (lib/vsprintf.c:2900)
[  512.201182][T10850]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  512.201184][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201185][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201186][T10850]  console_emit_next_record (kernel/printk/printk.c:3183)
[  512.201189][T10850]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  512.201191][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201192][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201193][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201194][T10850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.201197][T10850]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  512.201199][T10850]  console_flush_one_record (kernel/printk/printk.c:3268)
[  512.201201][T10850]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  512.201204][T10850]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  512.201206][T10850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.201207][T10850]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  512.201209][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201210][T10850]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  512.201212][T10850]  ? 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)
[  512.201213][T10850]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  512.201215][T10850]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  512.201217][T10850]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  512.201218][T10850]  vprintk_emit (kernel/printk/printk.c:2479)
[  512.201220][T10850]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  512.201221][T10850]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  512.201223][T10850]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  512.201226][T10850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.201228][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201229][T10850]  _printk (kernel/printk/printk.c:2504)
[  512.201232][T10850]  ? snapshot_read.cold (user.c:?)
[  512.201234][T10850]  ? br_multicast_flood (??:?)
[  512.201237][T10850]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  512.201240][T10850]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  512.201241][T10850]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  512.201243][T10850]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  512.201246][T10850]  br_init_port (net/bridge/br_stp_if.c:39)
[  512.201248][T10850]  new_nbp (net/bridge/br_if.c:449)
[  512.201250][T10850]  br_add_if (net/bridge/br_if.c:592)
[  512.201252][T10850]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  512.201256][T10850]  do_set_master (net/core/rtnetlink.c:3071)
[  512.201258][T10850]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  512.201260][T10850]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  512.201261][T10850]  ? __dev_get_by_name (net/core/dev.c:905)
[  512.201263][T10850]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  512.201267][T10850]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  512.201269][T10850]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  512.201271][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201273][T10850]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  512.201274][T10850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.201275][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201277][T10850]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  512.201279][T10850]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  512.201281][T10850]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  512.201284][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201285][T10850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.201286][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201287][T10850]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  512.201289][T10850]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  512.201291][T10850]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  512.201292][T10850]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  512.201293][T10850]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  512.201301][T10850]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  512.201305][T10850]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  512.201306][T10850]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  512.201308][T10850]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  512.201309][T10850]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  512.201312][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201313][T10850]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  512.201315][T10850]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  512.201318][T10850]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  512.201319][T10850]  ? next_uptodate_folio (mm/filemap.c:3747)
[  512.201322][T10850]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  512.201325][T10850]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  512.201327][T10850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.201328][T10850]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  512.201332][T10850]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  512.201334][T10850]  ____sys_sendmsg (net/socket.c:2713)
[  512.201336][T10850]  ? copy_msghdr_from_user (net/socket.c:2650)
[  512.201338][T10850]  ? sock_write_iter (net/socket.c:1269)
[  512.201339][T10850]  ? move_addr_to_kernel (net/socket.c:258)
[  512.201342][T10850]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  512.201344][T10850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.201346][T10850]  ___sys_sendmsg (net/socket.c:2767)
[  512.201348][T10850]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  512.201350][T10850]  ? copy_msghdr_from_user (net/socket.c:2619)
[  512.201351][T10850]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  512.201356][T10850]  __sys_sendmsg (net/socket.c:2799)
[  512.201358][T10850]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  512.201361][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201362][T10850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.201363][T10850]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  512.201366][T10850]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  512.201368][T10850]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  512.201370][T10850] RIP: 0033:0x7f82ad48754e
[  512.201372][T10850] 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
[  512.201374][T10850] RSP: 002b:00007ffe9d0016b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  512.201377][T10850] RAX: ffffffffffffffda RBX: 00007ffe9d001e78 RCX: 00007f82ad48754e
[  512.201379][T10850] RDX: 0000000000000000 RSI: 00007ffe9d001760 RDI: 0000000000000005
[  512.201380][T10850] RBP: 00007ffe9d0016c0 R08: 0000000000000000 R09: 0000000000000000
[  512.201381][T10850] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eaf2
[  512.201381][T10850] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9d001e30
| [  513.537978][T10919] softirqs last disabled at (0): 0x0
| [  513.537980][T10919] Preemption disabled at:
| [  513.537981][T10919] vprintk_emit (kernel/printk/printk.c:2471)
| [  513.537990][T10919] Tainted: [W]=WARN
[  513.537992][T10919] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  513.537994][T10919] Call Trace:
[  513.537995][T10919]  <TASK>
[  513.537996][T10919]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  513.538002][T10919]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  513.538003][T10919]  __might_resched.cold (kernel/sched/core.c:9234)
[  513.538007][T10919]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  513.538011][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538013][T10919]  __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))
[  513.538016][T10919]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  513.538019][T10919]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  513.538025][T10919]  ? 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)
[  513.538027][T10919]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  513.538029][T10919]  put_chars (drivers/char/virtio_console.c:1176)
[  513.538031][T10919]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  513.538032][T10919]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  513.538035][T10919]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  513.538037][T10919]  ? pointer (lib/vsprintf.c:2577)
[  513.538041][T10919]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  513.538045][T10919]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  513.538047][T10919]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  513.538049][T10919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.538052][T10919]  console_emit_next_record (kernel/printk/printk.c:3183)
[  513.538054][T10919]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  513.538056][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538058][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538059][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538060][T10919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.538062][T10919]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  513.538064][T10919]  console_flush_one_record (kernel/printk/printk.c:3268)
[  513.538066][T10919]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  513.538069][T10919]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  513.538071][T10919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.538073][T10919]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  513.538075][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538076][T10919]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  513.538077][T10919]  ? 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)
[  513.538079][T10919]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  513.538080][T10919]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  513.538082][T10919]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  513.538084][T10919]  vprintk_emit (kernel/printk/printk.c:2479)
[  513.538086][T10919]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  513.538087][T10919]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  513.538089][T10919]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  513.538093][T10919]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  513.538096][T10919]  _printk (kernel/printk/printk.c:2504)
[  513.538099][T10919]  ? snapshot_read.cold (user.c:?)
[  513.538101][T10919]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  513.538103][T10919]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  513.538106][T10919]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  513.538108][T10919]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  513.538111][T10919]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  513.538114][T10919]  ? netdev_notice (net/core/dev.c:13194)
[  513.538116][T10919]  ? 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)
[  513.538118][T10919]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  513.538120][T10919]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  513.538122][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538123][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538124][T10919]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  513.538126][T10919]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  513.538127][T10919]  ? 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)
[  513.538129][T10919]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  513.538130][T10919]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  513.538132][T10919]  ? register_netdev (net/core/dev.c:11618)
[  513.538133][T10919]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  513.538135][T10919]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  513.538138][T10919]  ? __kernel_text_address (kernel/extable.c:79)
[  513.538140][T10919]  ? write_profile (profile.c:?)
[  513.538143][T10919]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  513.538146][T10919]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  513.538148][T10919]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  513.538150][T10919]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  513.538151][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538152][T10919]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  513.538156][T10919]  ? kasan_save_stack (mm/kasan/common.c:58)
[  513.538158][T10919]  ? kasan_save_stack (mm/kasan/common.c:57)
[  513.538159][T10919]  ? kasan_save_track (mm/kasan/common.c:78)
[  513.538160][T10919]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  513.538161][T10919]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  513.538162][T10919]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  513.538163][T10919]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  513.538165][T10919]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  513.538168][T10919]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  513.538169][T10919]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  513.538171][T10919]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  513.538173][T10919]  ? ____sys_sendmsg (net/socket.c:2713)
[  513.538175][T10919]  ? ___sys_sendmsg (net/socket.c:2767)
[  513.538177][T10919]  ? __sys_sendmsg (net/socket.c:2799)
[  513.538178][T10919]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  513.538180][T10919]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  513.538183][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538184][T10919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.538186][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538187][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538188][T10919]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  513.538190][T10919]  ? __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)
[  513.538191][T10919]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  513.538192][T10919]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  513.538194][T10919]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  513.538195][T10919]  ? nla_get_range_signed (lib/nlattr.c:270)
[  513.538198][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538199][T10919]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  513.538201][T10919]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  513.538203][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538205][T10919]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  513.538206][T10919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.538208][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538209][T10919]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  513.538211][T10919]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  513.538213][T10919]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  513.538214][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538215][T10919]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  513.538219][T10919]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  513.538221][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538222][T10919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.538224][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538225][T10919]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  513.538226][T10919]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  513.538228][T10919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  513.538230][T10919]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  513.538231][T10919]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  513.538234][T10919]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  513.538235][T10919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  513.538237][T10919]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  513.538239][T10919]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  513.538240][T10919]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  513.538243][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538245][T10919]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  513.538247][T10919]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  513.538249][T10919]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  513.538251][T10919]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  513.538253][T10919]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  513.538255][T10919]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  513.538257][T10919]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  513.538259][T10919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.538260][T10919]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  513.538264][T10919]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  513.538265][T10919]  ____sys_sendmsg (net/socket.c:2713)
[  513.538267][T10919]  ? copy_msghdr_from_user (net/socket.c:2650)
[  513.538269][T10919]  ? sock_write_iter (net/socket.c:1269)
[  513.538271][T10919]  ? move_addr_to_kernel (net/socket.c:258)
[  513.538272][T10919]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  513.538275][T10919]  ___sys_sendmsg (net/socket.c:2767)
[  513.538277][T10919]  ? copy_msghdr_from_user (net/socket.c:2619)
[  513.538282][T10919]  __sys_sendmsg (net/socket.c:2799)
[  513.538284][T10919]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  513.538287][T10919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.538288][T10919]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  513.538290][T10919]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  513.538292][T10919]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  513.538293][T10919] RIP: 0033:0x7fb5a1f6154e
[  513.538295][T10919] 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
[  513.538297][T10919] RSP: 002b:00007ffe6807df00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  513.538301][T10919] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb5a1f6154e
[  513.538307][T10919] RDX: 0000000000000000 RSI: 00007ffe6807dfb0 RDI: 0000000000000005
[  513.538308][T10919] RBP: 00007ffe6807df10 R08: 0000000000000000 R09: 0000000000000000
[  513.538309][T10919] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eaf3
[  513.538310][T10919] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6807e670
| [  514.580598][T10969] softirqs last disabled at (0): 0x0
| [  514.580600][T10969] Preemption disabled at:
| [  514.580601][T10969] vprintk_emit (kernel/printk/printk.c:2471)
| [  514.580610][T10969] Tainted: [W]=WARN
[  514.580611][T10969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  514.580614][T10969] Call Trace:
[  514.580615][T10969]  <TASK>
[  514.580616][T10969]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  514.580622][T10969]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  514.580623][T10969]  __might_resched.cold (kernel/sched/core.c:9234)
[  514.580627][T10969]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  514.580629][T10969]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  514.580632][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580635][T10969]  __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))
[  514.580638][T10969]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  514.580641][T10969]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  514.580648][T10969]  ? 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)
[  514.580650][T10969]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  514.580652][T10969]  put_chars (drivers/char/virtio_console.c:1176)
[  514.580654][T10969]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  514.580656][T10969]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  514.580658][T10969]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  514.580663][T10969]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  514.580665][T10969]  ? vsnprintf (lib/vsprintf.c:2900)
[  514.580668][T10969]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  514.580670][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580671][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580673][T10969]  console_emit_next_record (kernel/printk/printk.c:3183)
[  514.580675][T10969]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  514.580677][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580678][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580679][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580680][T10969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  514.580683][T10969]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  514.580685][T10969]  console_flush_one_record (kernel/printk/printk.c:3268)
[  514.580688][T10969]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  514.580690][T10969]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  514.580692][T10969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  514.580694][T10969]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  514.580696][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580697][T10969]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  514.580698][T10969]  ? 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)
[  514.580700][T10969]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  514.580701][T10969]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  514.580703][T10969]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  514.580705][T10969]  vprintk_emit (kernel/printk/printk.c:2479)
[  514.580706][T10969]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  514.580708][T10969]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  514.580710][T10969]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  514.580712][T10969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  514.580714][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580715][T10969]  _printk (kernel/printk/printk.c:2504)
[  514.580718][T10969]  ? snapshot_read.cold (user.c:?)
[  514.580720][T10969]  ? br_multicast_flood (??:?)
[  514.580724][T10969]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  514.580726][T10969]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  514.580727][T10969]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  514.580729][T10969]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  514.580732][T10969]  br_init_port (net/bridge/br_stp_if.c:39)
[  514.580734][T10969]  new_nbp (net/bridge/br_if.c:449)
[  514.580736][T10969]  br_add_if (net/bridge/br_if.c:592)
[  514.580738][T10969]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  514.580742][T10969]  do_set_master (net/core/rtnetlink.c:3071)
[  514.580744][T10969]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  514.580745][T10969]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  514.580747][T10969]  ? __dev_get_by_name (net/core/dev.c:905)
[  514.580749][T10969]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  514.580753][T10969]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  514.580755][T10969]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  514.580757][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580759][T10969]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  514.580760][T10969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  514.580761][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580763][T10969]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  514.580765][T10969]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  514.580767][T10969]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  514.580770][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580771][T10969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  514.580772][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580773][T10969]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  514.580775][T10969]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  514.580776][T10969]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  514.580778][T10969]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  514.580779][T10969]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  514.580783][T10969]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  514.580786][T10969]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  514.580787][T10969]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  514.580789][T10969]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  514.580790][T10969]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  514.580793][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580795][T10969]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  514.580797][T10969]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  514.580799][T10969]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  514.580801][T10969]  ? next_uptodate_folio (mm/filemap.c:3747)
[  514.580804][T10969]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  514.580806][T10969]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  514.580808][T10969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  514.580809][T10969]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  514.580813][T10969]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  514.580816][T10969]  ____sys_sendmsg (net/socket.c:2713)
[  514.580817][T10969]  ? copy_msghdr_from_user (net/socket.c:2650)
[  514.580819][T10969]  ? sock_write_iter (net/socket.c:1269)
[  514.580821][T10969]  ? move_addr_to_kernel (net/socket.c:258)
[  514.580823][T10969]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  514.580825][T10969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  514.580827][T10969]  ___sys_sendmsg (net/socket.c:2767)
[  514.580829][T10969]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  514.580831][T10969]  ? copy_msghdr_from_user (net/socket.c:2619)
[  514.580832][T10969]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  514.580837][T10969]  __sys_sendmsg (net/socket.c:2799)
[  514.580839][T10969]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  514.580841][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580842][T10969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.580844][T10969]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  514.580846][T10969]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  514.580848][T10969]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  514.580850][T10969] RIP: 0033:0x7fe17d90854e
[  514.580852][T10969] 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
[  514.580854][T10969] RSP: 002b:00007fff1f0146d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  514.580858][T10969] RAX: ffffffffffffffda RBX: 00007fff1f014e98 RCX: 00007fe17d90854e
[  514.580859][T10969] RDX: 0000000000000000 RSI: 00007fff1f014780 RDI: 0000000000000005
[  514.580860][T10969] RBP: 00007fff1f0146e0 R08: 0000000000000000 R09: 0000000000000000
[  514.580861][T10969] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eaf4
[  514.580862][T10969] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1f014e50
| [  521.352739][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  521.352741][   T12] Preemption disabled at:
| [  521.352742][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  521.352752][   T12] Tainted: [W]=WARN
[  521.352753][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  521.352755][   T12] Workqueue: netns cleanup_net
[  521.352761][   T12] Call Trace:
[  521.352762][   T12]  <TASK>
[  521.352764][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  521.352770][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  521.352771][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  521.352775][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  521.352777][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  521.352780][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.352782][   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))
[  521.352785][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  521.352788][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  521.352792][   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)
[  521.352794][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  521.352797][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  521.352798][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  521.352800][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  521.352803][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  521.352807][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  521.352809][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  521.352811][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  521.352813][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.352814][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.352816][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  521.352819][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  521.352821][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.352822][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.352823][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.352824][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  521.352826][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  521.352828][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  521.352831][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  521.352833][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  521.352835][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  521.352837][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  521.352839][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.352840][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  521.352841][   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)
[  521.352843][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  521.352844][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  521.352846][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  521.352848][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  521.352849][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  521.352850][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  521.352852][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  521.352855][   T12]  ? kthread (kernel/kthread.c:436)
[  521.352857][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  521.352859][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  521.352862][   T12]  _printk (kernel/printk/printk.c:2504)
[  521.352865][   T12]  ? snapshot_read.cold (user.c:?)
[  521.352867][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  521.352870][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  521.352872][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  521.352875][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  521.352877][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.352878][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  521.352879][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  521.352882][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  521.352884][   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)
[  521.352885][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  521.352888][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  521.352890][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  521.352894][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  521.352896][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  521.352899][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  521.352901][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  521.352903][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  521.352905][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  521.352907][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  521.352909][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  521.352911][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.352913][   T12]  process_one_work (kernel/workqueue.c:3387)
[  521.352915][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  521.352918][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  521.352920][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  521.352922][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  521.352925][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  521.352927][   T12]  kthread (kernel/kthread.c:436)
[  521.352929][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  521.352930][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  521.352932][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  521.352934][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  521.352936][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  521.352939][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  521.352941][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  522.533244][T11131] softirqs last disabled at (0): 0x0
| [  522.533245][T11131] Preemption disabled at:
| [  522.533246][T11131] vprintk_emit (kernel/printk/printk.c:2471)
| [  522.533256][T11131] Tainted: [W]=WARN
[  522.533257][T11131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  522.533259][T11131] Call Trace:
[  522.533260][T11131]  <TASK>
[  522.533262][T11131]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  522.533267][T11131]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  522.533268][T11131]  __might_resched.cold (kernel/sched/core.c:9234)
[  522.533272][T11131]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  522.533274][T11131]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  522.533278][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533280][T11131]  __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))
[  522.533283][T11131]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  522.533286][T11131]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  522.533291][T11131]  ? 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)
[  522.533292][T11131]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  522.533295][T11131]  put_chars (drivers/char/virtio_console.c:1176)
[  522.533297][T11131]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  522.533298][T11131]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  522.533301][T11131]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  522.533306][T11131]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  522.533307][T11131]  ? vsnprintf (lib/vsprintf.c:2900)
[  522.533310][T11131]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  522.533312][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533313][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533315][T11131]  console_emit_next_record (kernel/printk/printk.c:3183)
[  522.533318][T11131]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  522.533320][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533321][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533322][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533323][T11131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.533325][T11131]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  522.533327][T11131]  console_flush_one_record (kernel/printk/printk.c:3268)
[  522.533329][T11131]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  522.533332][T11131]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  522.533339][T11131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.533340][T11131]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  522.533342][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533343][T11131]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.533345][T11131]  ? 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)
[  522.533347][T11131]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  522.533348][T11131]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  522.533350][T11131]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  522.533351][T11131]  vprintk_emit (kernel/printk/printk.c:2479)
[  522.533353][T11131]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  522.533354][T11131]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  522.533356][T11131]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  522.533359][T11131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.533360][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533362][T11131]  _printk (kernel/printk/printk.c:2504)
[  522.533365][T11131]  ? snapshot_read.cold (user.c:?)
[  522.533366][T11131]  ? br_multicast_flood (??:?)
[  522.533370][T11131]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  522.533373][T11131]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  522.533374][T11131]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  522.533376][T11131]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  522.533379][T11131]  br_init_port (net/bridge/br_stp_if.c:39)
[  522.533380][T11131]  new_nbp (net/bridge/br_if.c:449)
[  522.533383][T11131]  br_add_if (net/bridge/br_if.c:592)
[  522.533384][T11131]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  522.533388][T11131]  do_set_master (net/core/rtnetlink.c:3071)
[  522.533390][T11131]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  522.533392][T11131]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  522.533393][T11131]  ? __dev_get_by_name (net/core/dev.c:905)
[  522.533395][T11131]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  522.533399][T11131]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  522.533401][T11131]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  522.533403][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533405][T11131]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  522.533406][T11131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.533408][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533409][T11131]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  522.533412][T11131]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  522.533413][T11131]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  522.533416][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533417][T11131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.533418][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533419][T11131]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  522.533421][T11131]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  522.533423][T11131]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  522.533424][T11131]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  522.533425][T11131]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  522.533429][T11131]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  522.533432][T11131]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  522.533434][T11131]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.533435][T11131]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  522.533437][T11131]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  522.533440][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533441][T11131]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.533443][T11131]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  522.533445][T11131]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  522.533447][T11131]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  522.533450][T11131]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  522.533453][T11131]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  522.533455][T11131]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  522.533457][T11131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.533459][T11131]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  522.533462][T11131]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  522.533465][T11131]  ____sys_sendmsg (net/socket.c:2713)
[  522.533467][T11131]  ? copy_msghdr_from_user (net/socket.c:2650)
[  522.533469][T11131]  ? sock_write_iter (net/socket.c:1269)
[  522.533470][T11131]  ? move_addr_to_kernel (net/socket.c:258)
[  522.533473][T11131]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  522.533475][T11131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.533477][T11131]  ___sys_sendmsg (net/socket.c:2767)
[  522.533479][T11131]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  522.533481][T11131]  ? copy_msghdr_from_user (net/socket.c:2619)
[  522.533482][T11131]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  522.533487][T11131]  __sys_sendmsg (net/socket.c:2799)
[  522.533489][T11131]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  522.533491][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533492][T11131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.533494][T11131]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  522.533496][T11131]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  522.533498][T11131]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  522.533500][T11131] RIP: 0033:0x7fee6843654e
[  522.533502][T11131] 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
[  522.533504][T11131] RSP: 002b:00007ffd6361ba80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  522.533508][T11131] RAX: ffffffffffffffda RBX: 00007ffd6361c248 RCX: 00007fee6843654e
[  522.533509][T11131] RDX: 0000000000000000 RSI: 00007ffd6361bb30 RDI: 0000000000000005
[  522.533510][T11131] RBP: 00007ffd6361ba90 R08: 0000000000000000 R09: 0000000000000000
[  522.533511][T11131] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eafc
[  522.533512][T11131] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6361c200
| [  523.792939][T11199] softirqs last disabled at (0): 0x0
| [  523.792941][T11199] Preemption disabled at:
| [  523.792942][T11199] vprintk_emit (kernel/printk/printk.c:2471)
| [  523.792952][T11199] Tainted: [W]=WARN
[  523.792953][T11199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  523.792955][T11199] Call Trace:
[  523.792957][T11199]  <TASK>
[  523.792958][T11199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  523.792963][T11199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  523.792965][T11199]  __might_resched.cold (kernel/sched/core.c:9234)
[  523.792969][T11199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  523.792972][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.792975][T11199]  __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))
[  523.792978][T11199]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  523.792981][T11199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  523.792985][T11199]  ? 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)
[  523.792987][T11199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  523.792990][T11199]  put_chars (drivers/char/virtio_console.c:1176)
[  523.792991][T11199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  523.792992][T11199]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  523.792995][T11199]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  523.792997][T11199]  ? pointer (lib/vsprintf.c:2577)
[  523.793000][T11199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  523.793005][T11199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  523.793007][T11199]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  523.793009][T11199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.793011][T11199]  console_emit_next_record (kernel/printk/printk.c:3183)
[  523.793014][T11199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  523.793016][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793017][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793018][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793019][T11199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.793021][T11199]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  523.793023][T11199]  console_flush_one_record (kernel/printk/printk.c:3268)
[  523.793025][T11199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  523.793028][T11199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  523.793030][T11199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.793032][T11199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  523.793033][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793034][T11199]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  523.793036][T11199]  ? 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)
[  523.793037][T11199]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  523.793039][T11199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  523.793041][T11199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  523.793042][T11199]  vprintk_emit (kernel/printk/printk.c:2479)
[  523.793044][T11199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  523.793045][T11199]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  523.793048][T11199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  523.793051][T11199]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  523.793054][T11199]  _printk (kernel/printk/printk.c:2504)
[  523.793057][T11199]  ? snapshot_read.cold (user.c:?)
[  523.793059][T11199]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  523.793061][T11199]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  523.793064][T11199]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  523.793066][T11199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  523.793069][T11199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  523.793072][T11199]  ? netdev_notice (net/core/dev.c:13194)
[  523.793074][T11199]  ? 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)
[  523.793075][T11199]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  523.793078][T11199]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  523.793080][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793081][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793082][T11199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  523.793083][T11199]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  523.793085][T11199]  ? 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)
[  523.793086][T11199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  523.793087][T11199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  523.793089][T11199]  ? register_netdev (net/core/dev.c:11618)
[  523.793090][T11199]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  523.793092][T11199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  523.793095][T11199]  ? __kernel_text_address (kernel/extable.c:79)
[  523.793097][T11199]  ? write_profile (profile.c:?)
[  523.793100][T11199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  523.793103][T11199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  523.793105][T11199]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  523.793107][T11199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  523.793108][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793109][T11199]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  523.793113][T11199]  ? kasan_save_stack (mm/kasan/common.c:58)
[  523.793114][T11199]  ? kasan_save_stack (mm/kasan/common.c:57)
[  523.793115][T11199]  ? kasan_save_track (mm/kasan/common.c:78)
[  523.793117][T11199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  523.793118][T11199]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  523.793119][T11199]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  523.793120][T11199]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  523.793121][T11199]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  523.793124][T11199]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  523.793126][T11199]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  523.793127][T11199]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  523.793130][T11199]  ? ____sys_sendmsg (net/socket.c:2713)
[  523.793131][T11199]  ? ___sys_sendmsg (net/socket.c:2767)
[  523.793132][T11199]  ? __sys_sendmsg (net/socket.c:2799)
[  523.793134][T11199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  523.793136][T11199]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  523.793139][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793140][T11199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.793141][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793142][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793143][T11199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  523.793145][T11199]  ? __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)
[  523.793146][T11199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  523.793147][T11199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  523.793149][T11199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  523.793150][T11199]  ? nla_get_range_signed (lib/nlattr.c:270)
[  523.793153][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793155][T11199]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  523.793157][T11199]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  523.793159][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793160][T11199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  523.793161][T11199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.793163][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793164][T11199]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  523.793167][T11199]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  523.793168][T11199]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  523.793169][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793171][T11199]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  523.793174][T11199]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  523.793176][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793178][T11199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.793179][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793180][T11199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  523.793182][T11199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  523.793183][T11199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  523.793184][T11199]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  523.793186][T11199]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  523.793188][T11199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  523.793190][T11199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  523.793191][T11199]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  523.793193][T11199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  523.793194][T11199]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  523.793197][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793199][T11199]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  523.793201][T11199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  523.793203][T11199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  523.793205][T11199]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  523.793206][T11199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  523.793209][T11199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  523.793210][T11199]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  523.793212][T11199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.793213][T11199]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  523.793216][T11199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  523.793218][T11199]  ____sys_sendmsg (net/socket.c:2713)
[  523.793220][T11199]  ? copy_msghdr_from_user (net/socket.c:2650)
[  523.793222][T11199]  ? sock_write_iter (net/socket.c:1269)
[  523.793223][T11199]  ? move_addr_to_kernel (net/socket.c:258)
[  523.793225][T11199]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  523.793227][T11199]  ___sys_sendmsg (net/socket.c:2767)
[  523.793229][T11199]  ? copy_msghdr_from_user (net/socket.c:2619)
[  523.793234][T11199]  __sys_sendmsg (net/socket.c:2799)
[  523.793236][T11199]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  523.793238][T11199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.793240][T11199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  523.793242][T11199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  523.793243][T11199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  523.793245][T11199] RIP: 0033:0x7fb3adb4154e
[  523.793247][T11199] 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
[  523.793248][T11199] RSP: 002b:00007fffefa47f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  523.793252][T11199] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb3adb4154e
[  523.793254][T11199] RDX: 0000000000000000 RSI: 00007fffefa48000 RDI: 0000000000000005
[  523.793255][T11199] RBP: 00007fffefa47f60 R08: 0000000000000000 R09: 0000000000000000
[  523.793255][T11199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eafe
[  523.793256][T11199] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffefa486c0
| [  524.855409][T11257] softirqs last disabled at (0): 0x0
| [  524.855411][T11257] Preemption disabled at:
| [  524.855412][T11257] vprintk_emit (kernel/printk/printk.c:2471)
| [  524.855422][T11257] Tainted: [W]=WARN
[  524.855423][T11257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  524.855424][T11257] Call Trace:
[  524.855426][T11257]  <TASK>
[  524.855427][T11257]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  524.855433][T11257]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  524.855434][T11257]  __might_resched.cold (kernel/sched/core.c:9234)
[  524.855438][T11257]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  524.855441][T11257]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  524.855444][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855447][T11257]  __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))
[  524.855450][T11257]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  524.855453][T11257]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  524.855458][T11257]  ? 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)
[  524.855459][T11257]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  524.855462][T11257]  put_chars (drivers/char/virtio_console.c:1176)
[  524.855464][T11257]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  524.855466][T11257]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  524.855469][T11257]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  524.855473][T11257]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  524.855475][T11257]  ? vsnprintf (lib/vsprintf.c:2900)
[  524.855478][T11257]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  524.855480][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855481][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855483][T11257]  console_emit_next_record (kernel/printk/printk.c:3183)
[  524.855486][T11257]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  524.855488][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855489][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855490][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855491][T11257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.855493][T11257]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  524.855495][T11257]  console_flush_one_record (kernel/printk/printk.c:3268)
[  524.855497][T11257]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  524.855500][T11257]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  524.855502][T11257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.855504][T11257]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  524.855505][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855506][T11257]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  524.855508][T11257]  ? 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)
[  524.855509][T11257]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  524.855511][T11257]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  524.855513][T11257]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  524.855514][T11257]  vprintk_emit (kernel/printk/printk.c:2479)
[  524.855516][T11257]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  524.855517][T11257]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  524.855519][T11257]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  524.855522][T11257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.855523][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855525][T11257]  _printk (kernel/printk/printk.c:2504)
[  524.855528][T11257]  ? snapshot_read.cold (user.c:?)
[  524.855530][T11257]  ? br_multicast_flood (??:?)
[  524.855533][T11257]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  524.855536][T11257]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  524.855537][T11257]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  524.855539][T11257]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  524.855542][T11257]  br_init_port (net/bridge/br_stp_if.c:39)
[  524.855543][T11257]  new_nbp (net/bridge/br_if.c:449)
[  524.855546][T11257]  br_add_if (net/bridge/br_if.c:592)
[  524.855547][T11257]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  524.855552][T11257]  do_set_master (net/core/rtnetlink.c:3071)
[  524.855553][T11257]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  524.855555][T11257]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  524.855557][T11257]  ? __dev_get_by_name (net/core/dev.c:905)
[  524.855558][T11257]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  524.855562][T11257]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  524.855565][T11257]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  524.855567][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855568][T11257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  524.855569][T11257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.855571][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855573][T11257]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  524.855575][T11257]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  524.855577][T11257]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  524.855580][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855581][T11257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.855582][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855583][T11257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  524.855585][T11257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  524.855587][T11257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  524.855588][T11257]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  524.855589][T11257]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  524.855594][T11257]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  524.855597][T11257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  524.855598][T11257]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  524.855600][T11257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  524.855601][T11257]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  524.855605][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855606][T11257]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  524.855608][T11257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  524.855610][T11257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  524.855612][T11257]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  524.855615][T11257]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  524.855618][T11257]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  524.855620][T11257]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  524.855622][T11257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.855623][T11257]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  524.855627][T11257]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  524.855630][T11257]  ____sys_sendmsg (net/socket.c:2713)
[  524.855631][T11257]  ? copy_msghdr_from_user (net/socket.c:2650)
[  524.855633][T11257]  ? sock_write_iter (net/socket.c:1269)
[  524.855635][T11257]  ? move_addr_to_kernel (net/socket.c:258)
[  524.855637][T11257]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  524.855639][T11257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.855641][T11257]  ___sys_sendmsg (net/socket.c:2767)
[  524.855643][T11257]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  524.855645][T11257]  ? copy_msghdr_from_user (net/socket.c:2619)
[  524.855649][T11257]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  524.855654][T11257]  __sys_sendmsg (net/socket.c:2799)
[  524.855656][T11257]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  524.855658][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855659][T11257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.855661][T11257]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  524.855663][T11257]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  524.855665][T11257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  524.855667][T11257] RIP: 0033:0x7fdc5af4854e
[  524.855669][T11257] 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
[  524.855671][T11257] RSP: 002b:00007fff5f6db270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  524.855675][T11257] RAX: ffffffffffffffda RBX: 00007fff5f6dba38 RCX: 00007fdc5af4854e
[  524.855676][T11257] RDX: 0000000000000000 RSI: 00007fff5f6db320 RDI: 0000000000000005
[  524.855677][T11257] RBP: 00007fff5f6db280 R08: 0000000000000000 R09: 0000000000000000
[  524.855679][T11257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eaff
[  524.855680][T11257] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5f6db9f0
| [  531.616798][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  531.616801][   T12] Preemption disabled at:
| [  531.616801][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  531.616812][   T12] Tainted: [W]=WARN
[  531.616813][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  531.616815][   T12] Workqueue: netns cleanup_net
[  531.616821][   T12] Call Trace:
[  531.616822][   T12]  <TASK>
[  531.616824][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  531.616829][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  531.616831][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  531.616835][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  531.616837][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  531.616840][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.616842][   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))
[  531.616845][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.616848][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  531.616852][   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)
[  531.616854][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  531.616857][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  531.616858][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  531.616860][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  531.616863][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  531.616867][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  531.616869][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  531.616871][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.616873][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.616874][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.616876][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  531.616878][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  531.616880][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.616881][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.616882][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.616884][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.616886][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  531.616888][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  531.616890][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  531.616893][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  531.616895][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.616896][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  531.616898][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.616899][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  531.616901][   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)
[  531.616902][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  531.616904][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  531.616906][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  531.616907][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  531.616909][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  531.616910][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  531.616911][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  531.616914][   T12]  ? kthread (kernel/kthread.c:436)
[  531.616916][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  531.616919][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  531.616922][   T12]  _printk (kernel/printk/printk.c:2504)
[  531.616925][   T12]  ? snapshot_read.cold (user.c:?)
[  531.616927][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  531.616930][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  531.616932][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  531.616934][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  531.616937][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.616938][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  531.616939][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  531.616942][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  531.616944][   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)
[  531.616945][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  531.616947][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  531.616950][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  531.616954][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  531.616956][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  531.616958][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  531.616960][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  531.616962][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  531.616965][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  531.616967][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  531.616969][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.616971][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.616972][   T12]  process_one_work (kernel/workqueue.c:3387)
[  531.616975][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  531.616977][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  531.616979][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.616982][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  531.616985][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  531.616986][   T12]  kthread (kernel/kthread.c:436)
[  531.616988][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  531.616990][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  531.616991][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  531.616993][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  531.616995][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  531.616998][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  531.617000][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  532.785899][T11419] softirqs last disabled at (0): 0x0
| [  532.785901][T11419] Preemption disabled at:
| [  532.785902][T11419] vprintk_emit (kernel/printk/printk.c:2471)
| [  532.785912][T11419] Tainted: [W]=WARN
[  532.785913][T11419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  532.785914][T11419] Call Trace:
[  532.785916][T11419]  <TASK>
[  532.785917][T11419]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  532.785922][T11419]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  532.785924][T11419]  __might_resched.cold (kernel/sched/core.c:9234)
[  532.785928][T11419]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  532.785930][T11419]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  532.785933][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.785936][T11419]  __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))
[  532.785939][T11419]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.785942][T11419]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  532.785947][T11419]  ? 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)
[  532.785948][T11419]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  532.785951][T11419]  put_chars (drivers/char/virtio_console.c:1176)
[  532.785953][T11419]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  532.785954][T11419]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  532.785957][T11419]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  532.785962][T11419]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  532.785963][T11419]  ? vsnprintf (lib/vsprintf.c:2900)
[  532.785967][T11419]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.785968][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.785970][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.785971][T11419]  console_emit_next_record (kernel/printk/printk.c:3183)
[  532.785974][T11419]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  532.785976][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.785977][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.785978][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.785979][T11419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.785981][T11419]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  532.785983][T11419]  console_flush_one_record (kernel/printk/printk.c:3268)
[  532.785986][T11419]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  532.785988][T11419]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  532.785990][T11419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.785992][T11419]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  532.785993][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.785994][T11419]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.785996][T11419]  ? 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)
[  532.785998][T11419]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  532.785999][T11419]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  532.786001][T11419]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  532.786002][T11419]  vprintk_emit (kernel/printk/printk.c:2479)
[  532.786004][T11419]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  532.786005][T11419]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.786007][T11419]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  532.786010][T11419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.786011][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.786013][T11419]  _printk (kernel/printk/printk.c:2504)
[  532.786016][T11419]  ? snapshot_read.cold (user.c:?)
[  532.786018][T11419]  ? br_multicast_flood (??:?)
[  532.786021][T11419]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  532.786024][T11419]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  532.786025][T11419]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  532.786027][T11419]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  532.786030][T11419]  br_init_port (net/bridge/br_stp_if.c:39)
[  532.786031][T11419]  new_nbp (net/bridge/br_if.c:449)
[  532.786033][T11419]  br_add_if (net/bridge/br_if.c:592)
[  532.786035][T11419]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  532.786039][T11419]  do_set_master (net/core/rtnetlink.c:3071)
[  532.786041][T11419]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  532.786043][T11419]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  532.786044][T11419]  ? __dev_get_by_name (net/core/dev.c:905)
[  532.786046][T11419]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  532.786050][T11419]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  532.786053][T11419]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  532.786055][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.786056][T11419]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  532.786057][T11419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.786059][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.786060][T11419]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  532.786063][T11419]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  532.786064][T11419]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  532.786067][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.786068][T11419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.786069][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.786071][T11419]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  532.786072][T11419]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  532.786074][T11419]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  532.786075][T11419]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  532.786076][T11419]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  532.786080][T11419]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  532.786083][T11419]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  532.786085][T11419]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.786086][T11419]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  532.786088][T11419]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  532.786091][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.786092][T11419]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.786094][T11419]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  532.786096][T11419]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  532.786098][T11419]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  532.786101][T11419]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  532.786104][T11419]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  532.786106][T11419]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  532.786108][T11419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.786110][T11419]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  532.786113][T11419]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  532.786116][T11419]  ____sys_sendmsg (net/socket.c:2713)
[  532.786117][T11419]  ? copy_msghdr_from_user (net/socket.c:2650)
[  532.786119][T11419]  ? sock_write_iter (net/socket.c:1269)
[  532.786121][T11419]  ? move_addr_to_kernel (net/socket.c:258)
[  532.786123][T11419]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  532.786125][T11419]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.786127][T11419]  ___sys_sendmsg (net/socket.c:2767)
[  532.786129][T11419]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  532.786131][T11419]  ? copy_msghdr_from_user (net/socket.c:2619)
[  532.786132][T11419]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  532.786137][T11419]  __sys_sendmsg (net/socket.c:2799)
[  532.786139][T11419]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  532.786141][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.786142][T11419]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.786144][T11419]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  532.786146][T11419]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  532.786148][T11419]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  532.786150][T11419] RIP: 0033:0x7f9c5bf2054e
[  532.786152][T11419] 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
[  532.786154][T11419] RSP: 002b:00007ffd002616f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  532.786157][T11419] RAX: ffffffffffffffda RBX: 00007ffd00261eb8 RCX: 00007f9c5bf2054e
[  532.786159][T11419] RDX: 0000000000000000 RSI: 00007ffd002617a0 RDI: 0000000000000005
[  532.786160][T11419] RBP: 00007ffd00261700 R08: 0000000000000000 R09: 0000000000000000
[  532.786161][T11419] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb07
[  532.786162][T11419] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd00261e70
| [  534.082385][T11488] softirqs last disabled at (0): 0x0
| [  534.082387][T11488] Preemption disabled at:
| [  534.082388][T11488] vprintk_emit (kernel/printk/printk.c:2471)
| [  534.082398][T11488] Tainted: [W]=WARN
[  534.082399][T11488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  534.082401][T11488] Call Trace:
[  534.082402][T11488]  <TASK>
[  534.082404][T11488]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  534.082409][T11488]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  534.082410][T11488]  __might_resched.cold (kernel/sched/core.c:9234)
[  534.082414][T11488]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  534.082418][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082420][T11488]  __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))
[  534.082423][T11488]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  534.082426][T11488]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  534.082431][T11488]  ? 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)
[  534.082433][T11488]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  534.082436][T11488]  put_chars (drivers/char/virtio_console.c:1176)
[  534.082438][T11488]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  534.082439][T11488]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  534.082441][T11488]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  534.082443][T11488]  ? pointer (lib/vsprintf.c:2577)
[  534.082447][T11488]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  534.082451][T11488]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  534.082453][T11488]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  534.082455][T11488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.082458][T11488]  console_emit_next_record (kernel/printk/printk.c:3183)
[  534.082461][T11488]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  534.082463][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082464][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082465][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082466][T11488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.082468][T11488]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  534.082470][T11488]  console_flush_one_record (kernel/printk/printk.c:3268)
[  534.082472][T11488]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  534.082475][T11488]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  534.082477][T11488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.082478][T11488]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  534.082480][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082481][T11488]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  534.082482][T11488]  ? 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)
[  534.082484][T11488]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  534.082486][T11488]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  534.082487][T11488]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  534.082489][T11488]  vprintk_emit (kernel/printk/printk.c:2479)
[  534.082491][T11488]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  534.082492][T11488]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  534.082494][T11488]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  534.082498][T11488]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  534.082500][T11488]  _printk (kernel/printk/printk.c:2504)
[  534.082503][T11488]  ? snapshot_read.cold (user.c:?)
[  534.082505][T11488]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  534.082507][T11488]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  534.082511][T11488]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  534.082513][T11488]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  534.082516][T11488]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  534.082518][T11488]  ? netdev_notice (net/core/dev.c:13194)
[  534.082520][T11488]  ? 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)
[  534.082522][T11488]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  534.082525][T11488]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  534.082526][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082527][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082528][T11488]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  534.082530][T11488]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  534.082531][T11488]  ? 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)
[  534.082533][T11488]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  534.082534][T11488]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  534.082536][T11488]  ? register_netdev (net/core/dev.c:11618)
[  534.082537][T11488]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  534.082539][T11488]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  534.082541][T11488]  ? __kernel_text_address (kernel/extable.c:79)
[  534.082544][T11488]  ? write_profile (profile.c:?)
[  534.082547][T11488]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  534.082550][T11488]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  534.082552][T11488]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  534.082553][T11488]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  534.082555][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082556][T11488]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  534.082559][T11488]  ? kasan_save_stack (mm/kasan/common.c:58)
[  534.082561][T11488]  ? kasan_save_stack (mm/kasan/common.c:57)
[  534.082562][T11488]  ? kasan_save_track (mm/kasan/common.c:78)
[  534.082563][T11488]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  534.082564][T11488]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  534.082565][T11488]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  534.082566][T11488]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  534.082568][T11488]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  534.082571][T11488]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  534.082573][T11488]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  534.082574][T11488]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  534.082577][T11488]  ? ____sys_sendmsg (net/socket.c:2713)
[  534.082578][T11488]  ? ___sys_sendmsg (net/socket.c:2767)
[  534.082579][T11488]  ? __sys_sendmsg (net/socket.c:2799)
[  534.082581][T11488]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  534.082584][T11488]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  534.082586][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082587][T11488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.082589][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082590][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082591][T11488]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  534.082592][T11488]  ? __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)
[  534.082594][T11488]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  534.082595][T11488]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  534.082596][T11488]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  534.082597][T11488]  ? nla_get_range_signed (lib/nlattr.c:270)
[  534.082601][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082602][T11488]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  534.082604][T11488]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  534.082606][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082607][T11488]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  534.082608][T11488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.082610][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082611][T11488]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  534.082613][T11488]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  534.082615][T11488]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  534.082616][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082617][T11488]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  534.082621][T11488]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  534.082623][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082624][T11488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.082626][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082627][T11488]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  534.082628][T11488]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  534.082630][T11488]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  534.082631][T11488]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  534.082633][T11488]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  534.082635][T11488]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  534.082637][T11488]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  534.082638][T11488]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  534.082640][T11488]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  534.082641][T11488]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  534.082645][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082648][T11488]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  534.082650][T11488]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  534.082652][T11488]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  534.082654][T11488]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  534.082656][T11488]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  534.082658][T11488]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  534.082660][T11488]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  534.082662][T11488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.082663][T11488]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  534.082666][T11488]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  534.082668][T11488]  ____sys_sendmsg (net/socket.c:2713)
[  534.082670][T11488]  ? copy_msghdr_from_user (net/socket.c:2650)
[  534.082672][T11488]  ? sock_write_iter (net/socket.c:1269)
[  534.082673][T11488]  ? move_addr_to_kernel (net/socket.c:258)
[  534.082674][T11488]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  534.082677][T11488]  ___sys_sendmsg (net/socket.c:2767)
[  534.082679][T11488]  ? copy_msghdr_from_user (net/socket.c:2619)
[  534.082684][T11488]  __sys_sendmsg (net/socket.c:2799)
[  534.082686][T11488]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  534.082688][T11488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.082690][T11488]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  534.082692][T11488]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  534.082694][T11488]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  534.082695][T11488] RIP: 0033:0x7f75ef52154e
[  534.082697][T11488] 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
[  534.082699][T11488] RSP: 002b:00007ffe3e7141e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  534.082703][T11488] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f75ef52154e
[  534.082704][T11488] RDX: 0000000000000000 RSI: 00007ffe3e714290 RDI: 0000000000000005
[  534.082705][T11488] RBP: 00007ffe3e7141f0 R08: 0000000000000000 R09: 0000000000000000
[  534.082706][T11488] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb08
[  534.082707][T11488] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3e714950
| [  535.126146][T11538] softirqs last disabled at (0): 0x0
| [  535.126148][T11538] Preemption disabled at:
| [  535.126149][T11538] vprintk_emit (kernel/printk/printk.c:2471)
| [  535.126158][T11538] Tainted: [W]=WARN
[  535.126159][T11538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  535.126161][T11538] Call Trace:
[  535.126162][T11538]  <TASK>
[  535.126164][T11538]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  535.126169][T11538]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  535.126171][T11538]  __might_resched.cold (kernel/sched/core.c:9234)
[  535.126174][T11538]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  535.126177][T11538]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  535.126180][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126183][T11538]  __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))
[  535.126186][T11538]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  535.126189][T11538]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  535.126194][T11538]  ? 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)
[  535.126195][T11538]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  535.126198][T11538]  put_chars (drivers/char/virtio_console.c:1176)
[  535.126200][T11538]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  535.126201][T11538]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  535.126204][T11538]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  535.126209][T11538]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  535.126210][T11538]  ? vsnprintf (lib/vsprintf.c:2900)
[  535.126214][T11538]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  535.126215][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126216][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126218][T11538]  console_emit_next_record (kernel/printk/printk.c:3183)
[  535.126221][T11538]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  535.126223][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126224][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126225][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126226][T11538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.126228][T11538]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  535.126230][T11538]  console_flush_one_record (kernel/printk/printk.c:3268)
[  535.126232][T11538]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  535.126235][T11538]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  535.126237][T11538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.126239][T11538]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  535.126240][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126241][T11538]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  535.126243][T11538]  ? 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)
[  535.126244][T11538]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  535.126246][T11538]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  535.126248][T11538]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  535.126249][T11538]  vprintk_emit (kernel/printk/printk.c:2479)
[  535.126251][T11538]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  535.126252][T11538]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  535.126254][T11538]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  535.126257][T11538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.126258][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126260][T11538]  _printk (kernel/printk/printk.c:2504)
[  535.126263][T11538]  ? snapshot_read.cold (user.c:?)
[  535.126265][T11538]  ? br_multicast_flood (??:?)
[  535.126268][T11538]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  535.126271][T11538]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  535.126272][T11538]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  535.126273][T11538]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  535.126276][T11538]  br_init_port (net/bridge/br_stp_if.c:39)
[  535.126278][T11538]  new_nbp (net/bridge/br_if.c:449)
[  535.126281][T11538]  br_add_if (net/bridge/br_if.c:592)
[  535.126282][T11538]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  535.126286][T11538]  do_set_master (net/core/rtnetlink.c:3071)
[  535.126288][T11538]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  535.126290][T11538]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  535.126291][T11538]  ? __dev_get_by_name (net/core/dev.c:905)
[  535.126293][T11538]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  535.126297][T11538]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  535.126300][T11538]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  535.126302][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126303][T11538]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  535.126304][T11538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.126306][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126307][T11538]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  535.126310][T11538]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  535.126312][T11538]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  535.126314][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126316][T11538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.126317][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126318][T11538]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  535.126320][T11538]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  535.126321][T11538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  535.126323][T11538]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  535.126324][T11538]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  535.126328][T11538]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  535.126331][T11538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  535.126332][T11538]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  535.126334][T11538]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  535.126336][T11538]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  535.126339][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126340][T11538]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  535.126342][T11538]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  535.126345][T11538]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  535.126347][T11538]  ? next_uptodate_folio (mm/filemap.c:3747)
[  535.126349][T11538]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  535.126352][T11538]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  535.126354][T11538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.126355][T11538]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  535.126359][T11538]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  535.126362][T11538]  ____sys_sendmsg (net/socket.c:2713)
[  535.126363][T11538]  ? copy_msghdr_from_user (net/socket.c:2650)
[  535.126365][T11538]  ? sock_write_iter (net/socket.c:1269)
[  535.126367][T11538]  ? move_addr_to_kernel (net/socket.c:258)
[  535.126369][T11538]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  535.126371][T11538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.126373][T11538]  ___sys_sendmsg (net/socket.c:2767)
[  535.126375][T11538]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  535.126377][T11538]  ? copy_msghdr_from_user (net/socket.c:2619)
[  535.126383][T11538]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  535.126387][T11538]  __sys_sendmsg (net/socket.c:2799)
[  535.126389][T11538]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  535.126392][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126393][T11538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.126395][T11538]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  535.126397][T11538]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  535.126399][T11538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  535.126401][T11538] RIP: 0033:0x7f899fffc54e
[  535.126403][T11538] 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
[  535.126405][T11538] RSP: 002b:00007ffd6800b1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  535.126408][T11538] RAX: ffffffffffffffda RBX: 00007ffd6800b968 RCX: 00007f899fffc54e
[  535.126410][T11538] RDX: 0000000000000000 RSI: 00007ffd6800b250 RDI: 0000000000000005
[  535.126411][T11538] RBP: 00007ffd6800b1b0 R08: 0000000000000000 R09: 0000000000000000
[  535.126412][T11538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb09
[  535.126413][T11538] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6800b920
| [  541.900261][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  541.900264][   T12] Preemption disabled at:
| [  541.900265][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  541.900275][   T12] Tainted: [W]=WARN
[  541.900276][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  541.900278][   T12] Workqueue: netns cleanup_net
[  541.900284][   T12] Call Trace:
[  541.900285][   T12]  <TASK>
[  541.900287][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  541.900293][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  541.900294][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  541.900298][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  541.900300][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  541.900304][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.900306][   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))
[  541.900309][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  541.900312][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  541.900317][   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)
[  541.900319][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  541.900321][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  541.900323][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  541.900325][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  541.900327][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  541.900332][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  541.900334][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  541.900336][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  541.900338][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.900339][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.900341][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  541.900343][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  541.900346][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.900347][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.900348][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.900349][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.900351][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  541.900353][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  541.900356][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  541.900358][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  541.900360][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.900362][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  541.900364][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.900365][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  541.900366][   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)
[  541.900368][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  541.900369][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  541.900371][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  541.900373][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  541.900374][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  541.900376][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  541.900377][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  541.900380][   T12]  ? kthread (kernel/kthread.c:436)
[  541.900382][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  541.900385][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  541.900387][   T12]  _printk (kernel/printk/printk.c:2504)
[  541.900390][   T12]  ? snapshot_read.cold (user.c:?)
[  541.900392][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  541.900396][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  541.900398][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  541.900400][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  541.900406][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.900408][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  541.900409][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  541.900412][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  541.900414][   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)
[  541.900415][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  541.900417][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  541.900420][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  541.900424][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  541.900426][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  541.900429][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  541.900431][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  541.900433][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  541.900436][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  541.900437][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  541.900439][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.900441][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.900443][   T12]  process_one_work (kernel/workqueue.c:3387)
[  541.900446][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  541.900448][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  541.900450][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  541.900452][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  541.900455][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  541.900457][   T12]  kthread (kernel/kthread.c:436)
[  541.900459][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  541.900460][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  541.900462][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  541.900464][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  541.900466][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  541.900469][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  541.900471][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  543.095316][T11700] softirqs last disabled at (0): 0x0
| [  543.095318][T11700] Preemption disabled at:
| [  543.095318][T11700] vprintk_emit (kernel/printk/printk.c:2471)
| [  543.095328][T11700] Tainted: [W]=WARN
[  543.095329][T11700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  543.095330][T11700] Call Trace:
[  543.095332][T11700]  <TASK>
[  543.095333][T11700]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  543.095339][T11700]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  543.095340][T11700]  __might_resched.cold (kernel/sched/core.c:9234)
[  543.095344][T11700]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  543.095346][T11700]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  543.095349][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095352][T11700]  __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))
[  543.095355][T11700]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  543.095358][T11700]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  543.095363][T11700]  ? 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)
[  543.095365][T11700]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  543.095367][T11700]  put_chars (drivers/char/virtio_console.c:1176)
[  543.095369][T11700]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  543.095371][T11700]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  543.095373][T11700]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  543.095378][T11700]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  543.095379][T11700]  ? vsnprintf (lib/vsprintf.c:2900)
[  543.095383][T11700]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  543.095385][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095386][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095387][T11700]  console_emit_next_record (kernel/printk/printk.c:3183)
[  543.095390][T11700]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  543.095392][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095393][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095394][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095395][T11700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.095398][T11700]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  543.095399][T11700]  console_flush_one_record (kernel/printk/printk.c:3268)
[  543.095402][T11700]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  543.095404][T11700]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  543.095411][T11700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.095413][T11700]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  543.095414][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095415][T11700]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.095417][T11700]  ? 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)
[  543.095418][T11700]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  543.095420][T11700]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  543.095422][T11700]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  543.095423][T11700]  vprintk_emit (kernel/printk/printk.c:2479)
[  543.095425][T11700]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  543.095426][T11700]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  543.095428][T11700]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  543.095431][T11700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.095433][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095434][T11700]  _printk (kernel/printk/printk.c:2504)
[  543.095437][T11700]  ? snapshot_read.cold (user.c:?)
[  543.095439][T11700]  ? br_multicast_flood (??:?)
[  543.095442][T11700]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  543.095445][T11700]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  543.095446][T11700]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  543.095448][T11700]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  543.095451][T11700]  br_init_port (net/bridge/br_stp_if.c:39)
[  543.095453][T11700]  new_nbp (net/bridge/br_if.c:449)
[  543.095455][T11700]  br_add_if (net/bridge/br_if.c:592)
[  543.095457][T11700]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  543.095461][T11700]  do_set_master (net/core/rtnetlink.c:3071)
[  543.095463][T11700]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  543.095465][T11700]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  543.095466][T11700]  ? __dev_get_by_name (net/core/dev.c:905)
[  543.095468][T11700]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  543.095472][T11700]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  543.095474][T11700]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  543.095476][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095478][T11700]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  543.095479][T11700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.095481][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095482][T11700]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  543.095485][T11700]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  543.095486][T11700]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  543.095489][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095490][T11700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.095491][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095493][T11700]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  543.095494][T11700]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  543.095496][T11700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  543.095497][T11700]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  543.095498][T11700]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  543.095502][T11700]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  543.095505][T11700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  543.095506][T11700]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.095508][T11700]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  543.095510][T11700]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  543.095513][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095514][T11700]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.095516][T11700]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  543.095518][T11700]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  543.095520][T11700]  ? next_uptodate_folio (mm/filemap.c:3747)
[  543.095523][T11700]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  543.095525][T11700]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  543.095527][T11700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.095529][T11700]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  543.095532][T11700]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  543.095535][T11700]  ____sys_sendmsg (net/socket.c:2713)
[  543.095537][T11700]  ? copy_msghdr_from_user (net/socket.c:2650)
[  543.095539][T11700]  ? sock_write_iter (net/socket.c:1269)
[  543.095540][T11700]  ? move_addr_to_kernel (net/socket.c:258)
[  543.095542][T11700]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  543.095544][T11700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.095546][T11700]  ___sys_sendmsg (net/socket.c:2767)
[  543.095548][T11700]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  543.095550][T11700]  ? copy_msghdr_from_user (net/socket.c:2619)
[  543.095551][T11700]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  543.095556][T11700]  __sys_sendmsg (net/socket.c:2799)
[  543.095558][T11700]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  543.095560][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095561][T11700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.095563][T11700]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  543.095565][T11700]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  543.095567][T11700]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  543.095569][T11700] RIP: 0033:0x7f12df05754e
[  543.095571][T11700] 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
[  543.095573][T11700] RSP: 002b:00007ffc47db4e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  543.095577][T11700] RAX: ffffffffffffffda RBX: 00007ffc47db5618 RCX: 00007f12df05754e
[  543.095578][T11700] RDX: 0000000000000000 RSI: 00007ffc47db4f00 RDI: 0000000000000005
[  543.095579][T11700] RBP: 00007ffc47db4e60 R08: 0000000000000000 R09: 0000000000000000
[  543.095580][T11700] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb11
[  543.095581][T11700] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc47db55d0
| [  544.398026][T11769] softirqs last disabled at (0): 0x0
| [  544.398028][T11769] Preemption disabled at:
| [  544.398029][T11769] vprintk_emit (kernel/printk/printk.c:2471)
| [  544.398038][T11769] Tainted: [W]=WARN
[  544.398039][T11769] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  544.398041][T11769] Call Trace:
[  544.398042][T11769]  <TASK>
[  544.398044][T11769]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  544.398052][T11769]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  544.398053][T11769]  __might_resched.cold (kernel/sched/core.c:9234)
[  544.398058][T11769]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  544.398061][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398064][T11769]  __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))
[  544.398067][T11769]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  544.398070][T11769]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  544.398074][T11769]  ? 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)
[  544.398076][T11769]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  544.398079][T11769]  put_chars (drivers/char/virtio_console.c:1176)
[  544.398080][T11769]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  544.398081][T11769]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  544.398084][T11769]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  544.398086][T11769]  ? pointer (lib/vsprintf.c:2577)
[  544.398089][T11769]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  544.398094][T11769]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  544.398096][T11769]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  544.398098][T11769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.398100][T11769]  console_emit_next_record (kernel/printk/printk.c:3183)
[  544.398103][T11769]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  544.398105][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398106][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398107][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398108][T11769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.398110][T11769]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  544.398112][T11769]  console_flush_one_record (kernel/printk/printk.c:3268)
[  544.398114][T11769]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  544.398117][T11769]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  544.398119][T11769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.398121][T11769]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  544.398122][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398123][T11769]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  544.398125][T11769]  ? 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)
[  544.398126][T11769]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  544.398128][T11769]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  544.398130][T11769]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  544.398131][T11769]  vprintk_emit (kernel/printk/printk.c:2479)
[  544.398133][T11769]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  544.398134][T11769]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  544.398136][T11769]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  544.398140][T11769]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  544.398142][T11769]  _printk (kernel/printk/printk.c:2504)
[  544.398145][T11769]  ? snapshot_read.cold (user.c:?)
[  544.398147][T11769]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  544.398149][T11769]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  544.398152][T11769]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  544.398154][T11769]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  544.398157][T11769]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  544.398160][T11769]  ? netdev_notice (net/core/dev.c:13194)
[  544.398162][T11769]  ? 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)
[  544.398164][T11769]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  544.398166][T11769]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  544.398168][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398169][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398170][T11769]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  544.398171][T11769]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  544.398173][T11769]  ? 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)
[  544.398174][T11769]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  544.398175][T11769]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  544.398177][T11769]  ? register_netdev (net/core/dev.c:11618)
[  544.398178][T11769]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  544.398180][T11769]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  544.398182][T11769]  ? __kernel_text_address (kernel/extable.c:79)
[  544.398185][T11769]  ? write_profile (profile.c:?)
[  544.398188][T11769]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  544.398191][T11769]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  544.398193][T11769]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  544.398195][T11769]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  544.398196][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398197][T11769]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  544.398200][T11769]  ? kasan_save_stack (mm/kasan/common.c:58)
[  544.398202][T11769]  ? kasan_save_stack (mm/kasan/common.c:57)
[  544.398203][T11769]  ? kasan_save_track (mm/kasan/common.c:78)
[  544.398204][T11769]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  544.398205][T11769]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  544.398206][T11769]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  544.398208][T11769]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  544.398209][T11769]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  544.398212][T11769]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  544.398213][T11769]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  544.398215][T11769]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  544.398217][T11769]  ? ____sys_sendmsg (net/socket.c:2713)
[  544.398219][T11769]  ? ___sys_sendmsg (net/socket.c:2767)
[  544.398220][T11769]  ? __sys_sendmsg (net/socket.c:2799)
[  544.398222][T11769]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  544.398224][T11769]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  544.398226][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398228][T11769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.398229][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398230][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398231][T11769]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  544.398233][T11769]  ? __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)
[  544.398234][T11769]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  544.398235][T11769]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  544.398237][T11769]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  544.398238][T11769]  ? nla_get_range_signed (lib/nlattr.c:270)
[  544.398241][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398242][T11769]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  544.398244][T11769]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  544.398246][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398247][T11769]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  544.398248][T11769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.398250][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398251][T11769]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  544.398254][T11769]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  544.398255][T11769]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  544.398256][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398258][T11769]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  544.398261][T11769]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  544.398263][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398265][T11769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.398266][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398267][T11769]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  544.398268][T11769]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  544.398270][T11769]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  544.398271][T11769]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  544.398273][T11769]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  544.398275][T11769]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  544.398277][T11769]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  544.398278][T11769]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  544.398280][T11769]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  544.398281][T11769]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  544.398285][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398286][T11769]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  544.398288][T11769]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  544.398290][T11769]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  544.398292][T11769]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  544.398293][T11769]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  544.398296][T11769]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  544.398297][T11769]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  544.398299][T11769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.398300][T11769]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  544.398304][T11769]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  544.398305][T11769]  ____sys_sendmsg (net/socket.c:2713)
[  544.398307][T11769]  ? copy_msghdr_from_user (net/socket.c:2650)
[  544.398309][T11769]  ? sock_write_iter (net/socket.c:1269)
[  544.398310][T11769]  ? move_addr_to_kernel (net/socket.c:258)
[  544.398312][T11769]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  544.398314][T11769]  ___sys_sendmsg (net/socket.c:2767)
[  544.398316][T11769]  ? copy_msghdr_from_user (net/socket.c:2619)
[  544.398321][T11769]  __sys_sendmsg (net/socket.c:2799)
[  544.398323][T11769]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  544.398325][T11769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.398327][T11769]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  544.398329][T11769]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  544.398331][T11769]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  544.398332][T11769] RIP: 0033:0x7fcecb7fb54e
[  544.398334][T11769] 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
[  544.398335][T11769] RSP: 002b:00007ffcf0bab620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  544.398339][T11769] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcecb7fb54e
[  544.398341][T11769] RDX: 0000000000000000 RSI: 00007ffcf0bab6d0 RDI: 0000000000000005
[  544.398342][T11769] RBP: 00007ffcf0bab630 R08: 0000000000000000 R09: 0000000000000000
[  544.398342][T11769] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb12
[  544.398343][T11769] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf0babd90
| [  545.442462][T11819] softirqs last disabled at (0): 0x0
| [  545.442464][T11819] Preemption disabled at:
| [  545.442465][T11819] vprintk_emit (kernel/printk/printk.c:2471)
| [  545.442475][T11819] Tainted: [W]=WARN
[  545.442476][T11819] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  545.442478][T11819] Call Trace:
[  545.442479][T11819]  <TASK>
[  545.442481][T11819]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  545.442486][T11819]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  545.442487][T11819]  __might_resched.cold (kernel/sched/core.c:9234)
[  545.442491][T11819]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  545.442493][T11819]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  545.442497][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442499][T11819]  __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))
[  545.442502][T11819]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  545.442505][T11819]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.442510][T11819]  ? 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)
[  545.442512][T11819]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.442514][T11819]  put_chars (drivers/char/virtio_console.c:1176)
[  545.442516][T11819]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  545.442518][T11819]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  545.442520][T11819]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  545.442525][T11819]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  545.442527][T11819]  ? vsnprintf (lib/vsprintf.c:2900)
[  545.442530][T11819]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  545.442532][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442533][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442535][T11819]  console_emit_next_record (kernel/printk/printk.c:3183)
[  545.442537][T11819]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  545.442539][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442540][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442541][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442543][T11819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.442545][T11819]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  545.442547][T11819]  console_flush_one_record (kernel/printk/printk.c:3268)
[  545.442549][T11819]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  545.442552][T11819]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  545.442554][T11819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.442556][T11819]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  545.442558][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442559][T11819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  545.442560][T11819]  ? 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)
[  545.442562][T11819]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  545.442563][T11819]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  545.442565][T11819]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  545.442567][T11819]  vprintk_emit (kernel/printk/printk.c:2479)
[  545.442568][T11819]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  545.442570][T11819]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  545.442571][T11819]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  545.442574][T11819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.442576][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442577][T11819]  _printk (kernel/printk/printk.c:2504)
[  545.442580][T11819]  ? snapshot_read.cold (user.c:?)
[  545.442582][T11819]  ? br_multicast_flood (??:?)
[  545.442586][T11819]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  545.442588][T11819]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  545.442589][T11819]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  545.442591][T11819]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  545.442594][T11819]  br_init_port (net/bridge/br_stp_if.c:39)
[  545.442596][T11819]  new_nbp (net/bridge/br_if.c:449)
[  545.442598][T11819]  br_add_if (net/bridge/br_if.c:592)
[  545.442600][T11819]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  545.442604][T11819]  do_set_master (net/core/rtnetlink.c:3071)
[  545.442606][T11819]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  545.442608][T11819]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  545.442609][T11819]  ? __dev_get_by_name (net/core/dev.c:905)
[  545.442611][T11819]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  545.442615][T11819]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  545.442617][T11819]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  545.442619][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442621][T11819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.442622][T11819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.442623][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442625][T11819]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  545.442627][T11819]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  545.442629][T11819]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  545.442632][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442633][T11819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.442634][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442635][T11819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.442637][T11819]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  545.442638][T11819]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.442640][T11819]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  545.442641][T11819]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  545.442645][T11819]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  545.442650][T11819]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.442652][T11819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  545.442653][T11819]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  545.442655][T11819]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  545.442658][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442659][T11819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  545.442661][T11819]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  545.442663][T11819]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  545.442665][T11819]  ? next_uptodate_folio (mm/filemap.c:3747)
[  545.442668][T11819]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  545.442670][T11819]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  545.442673][T11819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.442674][T11819]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  545.442678][T11819]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  545.442680][T11819]  ____sys_sendmsg (net/socket.c:2713)
[  545.442682][T11819]  ? copy_msghdr_from_user (net/socket.c:2650)
[  545.442684][T11819]  ? sock_write_iter (net/socket.c:1269)
[  545.442685][T11819]  ? move_addr_to_kernel (net/socket.c:258)
[  545.442687][T11819]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  545.442690][T11819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.442692][T11819]  ___sys_sendmsg (net/socket.c:2767)
[  545.442693][T11819]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  545.442695][T11819]  ? copy_msghdr_from_user (net/socket.c:2619)
[  545.442697][T11819]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  545.442701][T11819]  __sys_sendmsg (net/socket.c:2799)
[  545.442703][T11819]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  545.442706][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442707][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.442708][T11819]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  545.442711][T11819]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  545.442713][T11819]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  545.442715][T11819] RIP: 0033:0x7f19418b254e
[  545.442717][T11819] 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
[  545.442719][T11819] RSP: 002b:00007ffd0d184360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  545.442722][T11819] RAX: ffffffffffffffda RBX: 00007ffd0d184b28 RCX: 00007f19418b254e
[  545.442723][T11819] RDX: 0000000000000000 RSI: 00007ffd0d184410 RDI: 0000000000000005
[  545.442724][T11819] RBP: 00007ffd0d184370 R08: 0000000000000000 R09: 0000000000000000
[  545.442725][T11819] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb13
[  545.442726][T11819] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0d184ae0
| [  552.226112][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  552.226114][   T12] Preemption disabled at:
| [  552.226115][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  552.226125][   T12] Tainted: [W]=WARN
[  552.226126][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  552.226128][   T12] Workqueue: netns cleanup_net
[  552.226134][   T12] Call Trace:
[  552.226136][   T12]  <TASK>
[  552.226137][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  552.226143][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  552.226145][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  552.226148][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  552.226151][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  552.226154][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.226157][   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))
[  552.226160][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  552.226163][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  552.226167][   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)
[  552.226169][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  552.226172][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  552.226174][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  552.226175][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  552.226178][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  552.226183][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  552.226185][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  552.226187][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  552.226189][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.226190][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.226192][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  552.226194][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  552.226197][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.226198][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.226199][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.226200][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.226202][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  552.226204][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  552.226207][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  552.226210][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  552.226212][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.226213][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  552.226215][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.226216][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  552.226218][   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)
[  552.226219][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  552.226221][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  552.226223][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  552.226224][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  552.226226][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  552.226227][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  552.226229][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  552.226232][   T12]  ? kthread (kernel/kthread.c:436)
[  552.226234][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  552.226237][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  552.226239][   T12]  _printk (kernel/printk/printk.c:2504)
[  552.226242][   T12]  ? snapshot_read.cold (user.c:?)
[  552.226245][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  552.226248][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  552.226250][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  552.226253][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  552.226255][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.226256][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  552.226258][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  552.226261][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  552.226262][   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)
[  552.226264][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  552.226266][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  552.226269][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  552.226273][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  552.226275][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  552.226278][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  552.226280][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  552.226282][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  552.226284][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  552.226286][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  552.226288][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  552.226291][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.226292][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.226294][   T12]  process_one_work (kernel/workqueue.c:3387)
[  552.226297][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  552.226300][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  552.226302][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  552.226305][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  552.226307][   T12]  kthread (kernel/kthread.c:436)
[  552.226309][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  552.226311][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  552.226312][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  552.226314][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  552.226316][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  552.226319][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  552.226321][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  553.377897][T11981] softirqs last disabled at (0): 0x0
| [  553.377899][T11981] Preemption disabled at:
| [  553.377900][T11981] vprintk_emit (kernel/printk/printk.c:2471)
| [  553.377910][T11981] Tainted: [W]=WARN
[  553.377911][T11981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  553.377913][T11981] Call Trace:
[  553.377914][T11981]  <TASK>
[  553.377916][T11981]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  553.377921][T11981]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  553.377923][T11981]  __might_resched.cold (kernel/sched/core.c:9234)
[  553.377927][T11981]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  553.377929][T11981]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  553.377932][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.377935][T11981]  __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))
[  553.377938][T11981]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  553.377941][T11981]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  553.377946][T11981]  ? 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)
[  553.377948][T11981]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  553.377951][T11981]  put_chars (drivers/char/virtio_console.c:1176)
[  553.377953][T11981]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  553.377955][T11981]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  553.377957][T11981]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  553.377961][T11981]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  553.377963][T11981]  ? vsnprintf (lib/vsprintf.c:2900)
[  553.377967][T11981]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  553.377969][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.377970][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.377972][T11981]  console_emit_next_record (kernel/printk/printk.c:3183)
[  553.377974][T11981]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  553.377977][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.377977][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.377979][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.377980][T11981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.377982][T11981]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  553.377984][T11981]  console_flush_one_record (kernel/printk/printk.c:3268)
[  553.377986][T11981]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  553.377989][T11981]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  553.377991][T11981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.377993][T11981]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  553.377994][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.377995][T11981]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.377997][T11981]  ? 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)
[  553.377998][T11981]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  553.378000][T11981]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  553.378002][T11981]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  553.378003][T11981]  vprintk_emit (kernel/printk/printk.c:2479)
[  553.378005][T11981]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  553.378006][T11981]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  553.378008][T11981]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  553.378010][T11981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.378012][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.378013][T11981]  _printk (kernel/printk/printk.c:2504)
[  553.378017][T11981]  ? snapshot_read.cold (user.c:?)
[  553.378019][T11981]  ? br_multicast_flood (??:?)
[  553.378022][T11981]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  553.378025][T11981]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  553.378026][T11981]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  553.378028][T11981]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  553.378030][T11981]  br_init_port (net/bridge/br_stp_if.c:39)
[  553.378033][T11981]  new_nbp (net/bridge/br_if.c:449)
[  553.378035][T11981]  br_add_if (net/bridge/br_if.c:592)
[  553.378037][T11981]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  553.378041][T11981]  do_set_master (net/core/rtnetlink.c:3071)
[  553.378042][T11981]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  553.378044][T11981]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  553.378046][T11981]  ? __dev_get_by_name (net/core/dev.c:905)
[  553.378047][T11981]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  553.378051][T11981]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  553.378054][T11981]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  553.378056][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.378057][T11981]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  553.378059][T11981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.378060][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.378061][T11981]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  553.378064][T11981]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  553.378066][T11981]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  553.378068][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.378070][T11981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.378071][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.378072][T11981]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  553.378074][T11981]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  553.378075][T11981]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  553.378077][T11981]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  553.378078][T11981]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  553.378082][T11981]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  553.378085][T11981]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  553.378086][T11981]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.378088][T11981]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  553.378090][T11981]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  553.378092][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.378093][T11981]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.378095][T11981]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  553.378098][T11981]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  553.378100][T11981]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  553.378102][T11981]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  553.378105][T11981]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  553.378107][T11981]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  553.378109][T11981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.378111][T11981]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  553.378114][T11981]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  553.378117][T11981]  ____sys_sendmsg (net/socket.c:2713)
[  553.378119][T11981]  ? copy_msghdr_from_user (net/socket.c:2650)
[  553.378121][T11981]  ? sock_write_iter (net/socket.c:1269)
[  553.378122][T11981]  ? move_addr_to_kernel (net/socket.c:258)
[  553.378124][T11981]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  553.378127][T11981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.378129][T11981]  ___sys_sendmsg (net/socket.c:2767)
[  553.378130][T11981]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  553.378132][T11981]  ? copy_msghdr_from_user (net/socket.c:2619)
[  553.378134][T11981]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  553.378138][T11981]  __sys_sendmsg (net/socket.c:2799)
[  553.378140][T11981]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  553.378143][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.378144][T11981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.378146][T11981]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  553.378148][T11981]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  553.378150][T11981]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  553.378152][T11981] RIP: 0033:0x7f23d4f6e54e
[  553.378154][T11981] 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
[  553.378155][T11981] RSP: 002b:00007ffc7c208980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  553.378159][T11981] RAX: ffffffffffffffda RBX: 00007ffc7c209148 RCX: 00007f23d4f6e54e
[  553.378160][T11981] RDX: 0000000000000000 RSI: 00007ffc7c208a30 RDI: 0000000000000005
[  553.378161][T11981] RBP: 00007ffc7c208990 R08: 0000000000000000 R09: 0000000000000000
[  553.378162][T11981] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb1b
[  553.378163][T11981] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7c209100
| [  554.697162][T12050] softirqs last disabled at (0): 0x0
| [  554.697164][T12050] Preemption disabled at:
| [  554.697164][T12050] vprintk_emit (kernel/printk/printk.c:2471)
| [  554.697174][T12050] Tainted: [W]=WARN
[  554.697175][T12050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  554.697177][T12050] Call Trace:
[  554.697178][T12050]  <TASK>
[  554.697179][T12050]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  554.697185][T12050]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  554.697186][T12050]  __might_resched.cold (kernel/sched/core.c:9234)
[  554.697191][T12050]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  554.697194][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697197][T12050]  __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))
[  554.697200][T12050]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  554.697203][T12050]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.697208][T12050]  ? 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)
[  554.697210][T12050]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.697212][T12050]  put_chars (drivers/char/virtio_console.c:1176)
[  554.697214][T12050]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  554.697215][T12050]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  554.697217][T12050]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  554.697219][T12050]  ? pointer (lib/vsprintf.c:2577)
[  554.697223][T12050]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  554.697227][T12050]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  554.697229][T12050]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  554.697231][T12050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.697234][T12050]  console_emit_next_record (kernel/printk/printk.c:3183)
[  554.697236][T12050]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  554.697238][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697240][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697240][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697242][T12050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.697243][T12050]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  554.697245][T12050]  console_flush_one_record (kernel/printk/printk.c:3268)
[  554.697248][T12050]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  554.697251][T12050]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  554.697252][T12050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.697254][T12050]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  554.697256][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697257][T12050]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.697258][T12050]  ? 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)
[  554.697260][T12050]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  554.697261][T12050]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  554.697263][T12050]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  554.697264][T12050]  vprintk_emit (kernel/printk/printk.c:2479)
[  554.697266][T12050]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  554.697268][T12050]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  554.697270][T12050]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  554.697273][T12050]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  554.697275][T12050]  _printk (kernel/printk/printk.c:2504)
[  554.697278][T12050]  ? snapshot_read.cold (user.c:?)
[  554.697280][T12050]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  554.697283][T12050]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  554.697286][T12050]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  554.697288][T12050]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  554.697291][T12050]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  554.697293][T12050]  ? netdev_notice (net/core/dev.c:13194)
[  554.697295][T12050]  ? 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)
[  554.697297][T12050]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  554.697300][T12050]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  554.697301][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697302][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697303][T12050]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  554.697305][T12050]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  554.697306][T12050]  ? 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)
[  554.697308][T12050]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  554.697309][T12050]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  554.697311][T12050]  ? register_netdev (net/core/dev.c:11618)
[  554.697312][T12050]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.697314][T12050]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  554.697317][T12050]  ? __kernel_text_address (kernel/extable.c:79)
[  554.697319][T12050]  ? write_profile (profile.c:?)
[  554.697322][T12050]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  554.697326][T12050]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  554.697327][T12050]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  554.697329][T12050]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  554.697330][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697331][T12050]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  554.697335][T12050]  ? kasan_save_stack (mm/kasan/common.c:58)
[  554.697336][T12050]  ? kasan_save_stack (mm/kasan/common.c:57)
[  554.697337][T12050]  ? kasan_save_track (mm/kasan/common.c:78)
[  554.697339][T12050]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  554.697340][T12050]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  554.697341][T12050]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  554.697342][T12050]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  554.697343][T12050]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  554.697346][T12050]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  554.697348][T12050]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  554.697349][T12050]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  554.697352][T12050]  ? ____sys_sendmsg (net/socket.c:2713)
[  554.697353][T12050]  ? ___sys_sendmsg (net/socket.c:2767)
[  554.697355][T12050]  ? __sys_sendmsg (net/socket.c:2799)
[  554.697356][T12050]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  554.697358][T12050]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  554.697361][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697362][T12050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.697364][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697365][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697366][T12050]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  554.697367][T12050]  ? __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)
[  554.697368][T12050]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  554.697370][T12050]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  554.697371][T12050]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  554.697372][T12050]  ? nla_get_range_signed (lib/nlattr.c:270)
[  554.697376][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697377][T12050]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  554.697379][T12050]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  554.697381][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697382][T12050]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.697383][T12050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.697385][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697386][T12050]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  554.697389][T12050]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  554.697390][T12050]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  554.697391][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697393][T12050]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  554.697396][T12050]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  554.697399][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697400][T12050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.697401][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697403][T12050]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.697404][T12050]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  554.697405][T12050]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  554.697407][T12050]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  554.697408][T12050]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  554.697411][T12050]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  554.697412][T12050]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  554.697414][T12050]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.697415][T12050]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  554.697417][T12050]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  554.697420][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697421][T12050]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.697423][T12050]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  554.697425][T12050]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  554.697427][T12050]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  554.697429][T12050]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  554.697431][T12050]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  554.697432][T12050]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  554.697434][T12050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.697436][T12050]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  554.697439][T12050]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  554.697441][T12050]  ____sys_sendmsg (net/socket.c:2713)
[  554.697442][T12050]  ? copy_msghdr_from_user (net/socket.c:2650)
[  554.697444][T12050]  ? sock_write_iter (net/socket.c:1269)
[  554.697445][T12050]  ? move_addr_to_kernel (net/socket.c:258)
[  554.697453][T12050]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  554.697456][T12050]  ___sys_sendmsg (net/socket.c:2767)
[  554.697458][T12050]  ? copy_msghdr_from_user (net/socket.c:2619)
[  554.697462][T12050]  __sys_sendmsg (net/socket.c:2799)
[  554.697464][T12050]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  554.697467][T12050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.697469][T12050]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  554.697470][T12050]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  554.697472][T12050]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  554.697474][T12050] RIP: 0033:0x7f5df755b54e
[  554.697476][T12050] 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
[  554.697477][T12050] RSP: 002b:00007ffcc400bb50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  554.697481][T12050] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5df755b54e
[  554.697482][T12050] RDX: 0000000000000000 RSI: 00007ffcc400bc00 RDI: 0000000000000005
[  554.697483][T12050] RBP: 00007ffcc400bb60 R08: 0000000000000000 R09: 0000000000000000
[  554.697484][T12050] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb1d
[  554.697485][T12050] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc400c2c0
| [  555.768348][T12107] softirqs last disabled at (0): 0x0
| [  555.768350][T12107] Preemption disabled at:
| [  555.768351][T12107] vprintk_emit (kernel/printk/printk.c:2471)
| [  555.768361][T12107] Tainted: [W]=WARN
[  555.768362][T12107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  555.768363][T12107] Call Trace:
[  555.768365][T12107]  <TASK>
[  555.768366][T12107]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  555.768372][T12107]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  555.768373][T12107]  __might_resched.cold (kernel/sched/core.c:9234)
[  555.768377][T12107]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  555.768379][T12107]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  555.768382][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768385][T12107]  __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))
[  555.768388][T12107]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  555.768391][T12107]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  555.768396][T12107]  ? 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)
[  555.768398][T12107]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  555.768400][T12107]  put_chars (drivers/char/virtio_console.c:1176)
[  555.768402][T12107]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  555.768403][T12107]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  555.768406][T12107]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  555.768411][T12107]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  555.768412][T12107]  ? vsnprintf (lib/vsprintf.c:2900)
[  555.768415][T12107]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  555.768417][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768418][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768420][T12107]  console_emit_next_record (kernel/printk/printk.c:3183)
[  555.768423][T12107]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  555.768425][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768426][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768427][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768428][T12107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.768431][T12107]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  555.768432][T12107]  console_flush_one_record (kernel/printk/printk.c:3268)
[  555.768435][T12107]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  555.768438][T12107]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  555.768440][T12107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.768441][T12107]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  555.768443][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768444][T12107]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  555.768446][T12107]  ? 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)
[  555.768447][T12107]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  555.768449][T12107]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  555.768455][T12107]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  555.768457][T12107]  vprintk_emit (kernel/printk/printk.c:2479)
[  555.768459][T12107]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  555.768460][T12107]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  555.768461][T12107]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  555.768464][T12107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.768466][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768467][T12107]  _printk (kernel/printk/printk.c:2504)
[  555.768471][T12107]  ? snapshot_read.cold (user.c:?)
[  555.768473][T12107]  ? br_multicast_flood (??:?)
[  555.768476][T12107]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  555.768479][T12107]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  555.768480][T12107]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  555.768482][T12107]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  555.768485][T12107]  br_init_port (net/bridge/br_stp_if.c:39)
[  555.768486][T12107]  new_nbp (net/bridge/br_if.c:449)
[  555.768489][T12107]  br_add_if (net/bridge/br_if.c:592)
[  555.768491][T12107]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  555.768495][T12107]  do_set_master (net/core/rtnetlink.c:3071)
[  555.768496][T12107]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  555.768498][T12107]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  555.768499][T12107]  ? __dev_get_by_name (net/core/dev.c:905)
[  555.768501][T12107]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  555.768505][T12107]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  555.768508][T12107]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  555.768510][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768511][T12107]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  555.768512][T12107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.768514][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768515][T12107]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  555.768518][T12107]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  555.768520][T12107]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  555.768522][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768523][T12107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.768525][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768526][T12107]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  555.768527][T12107]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  555.768529][T12107]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  555.768531][T12107]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  555.768532][T12107]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  555.768536][T12107]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  555.768539][T12107]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  555.768541][T12107]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  555.768542][T12107]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  555.768544][T12107]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  555.768547][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768548][T12107]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  555.768550][T12107]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  555.768552][T12107]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  555.768554][T12107]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  555.768557][T12107]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  555.768560][T12107]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  555.768562][T12107]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  555.768564][T12107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.768566][T12107]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  555.768569][T12107]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  555.768572][T12107]  ____sys_sendmsg (net/socket.c:2713)
[  555.768574][T12107]  ? copy_msghdr_from_user (net/socket.c:2650)
[  555.768576][T12107]  ? sock_write_iter (net/socket.c:1269)
[  555.768577][T12107]  ? move_addr_to_kernel (net/socket.c:258)
[  555.768579][T12107]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  555.768582][T12107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.768584][T12107]  ___sys_sendmsg (net/socket.c:2767)
[  555.768585][T12107]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  555.768587][T12107]  ? copy_msghdr_from_user (net/socket.c:2619)
[  555.768589][T12107]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  555.768593][T12107]  __sys_sendmsg (net/socket.c:2799)
[  555.768595][T12107]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  555.768598][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768599][T12107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.768600][T12107]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  555.768603][T12107]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  555.768605][T12107]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  555.768607][T12107] RIP: 0033:0x7f38508c454e
[  555.768609][T12107] 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
[  555.768611][T12107] RSP: 002b:00007fff504c2020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  555.768614][T12107] RAX: ffffffffffffffda RBX: 00007fff504c27e8 RCX: 00007f38508c454e
[  555.768616][T12107] RDX: 0000000000000000 RSI: 00007fff504c20d0 RDI: 0000000000000005
[  555.768617][T12107] RBP: 00007fff504c2030 R08: 0000000000000000 R09: 0000000000000000
[  555.768618][T12107] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb1e
[  555.768618][T12107] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff504c27a0
| [  561.752243][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  561.752246][   T12] Preemption disabled at:
| [  561.752247][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  561.752257][   T12] Tainted: [W]=WARN
[  561.752258][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  561.752260][   T12] Workqueue: netns cleanup_net
[  561.752266][   T12] Call Trace:
[  561.752268][   T12]  <TASK>
[  561.752270][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  561.752275][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  561.752276][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  561.752280][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  561.752282][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  561.752285][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.752288][   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))
[  561.752291][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  561.752294][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  561.752298][   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)
[  561.752300][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  561.752303][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  561.752304][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  561.752306][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  561.752309][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  561.752313][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  561.752315][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  561.752317][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  561.752319][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.752320][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.752322][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  561.752325][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  561.752327][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.752328][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.752329][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.752330][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.752332][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  561.752334][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  561.752336][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  561.752339][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  561.752341][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.752342][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  561.752344][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.752345][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  561.752347][   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)
[  561.752348][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  561.752350][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  561.752352][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  561.752353][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  561.752355][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  561.752356][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  561.752357][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  561.752360][   T12]  ? kthread (kernel/kthread.c:436)
[  561.752362][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  561.752365][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  561.752368][   T12]  _printk (kernel/printk/printk.c:2504)
[  561.752370][   T12]  ? snapshot_read.cold (user.c:?)
[  561.752373][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  561.752376][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  561.752378][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  561.752380][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  561.752382][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.752383][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  561.752385][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  561.752388][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  561.752389][   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)
[  561.752391][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  561.752393][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  561.752396][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  561.752399][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  561.752401][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  561.752404][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  561.752406][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  561.752408][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  561.752411][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  561.752412][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  561.752414][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.752416][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.752418][   T12]  process_one_work (kernel/workqueue.c:3387)
[  561.752420][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  561.752423][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  561.752425][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  561.752428][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  561.752430][   T12]  kthread (kernel/kthread.c:436)
[  561.752432][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  561.752433][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  561.752435][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  561.752437][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  561.752439][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  561.752442][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  561.752444][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  562.956759][T12241] softirqs last disabled at (0): 0x0
| [  562.956760][T12241] Preemption disabled at:
| [  562.956761][T12241] vprintk_emit (kernel/printk/printk.c:2471)
| [  562.956770][T12241] Tainted: [W]=WARN
[  562.956772][T12241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  562.956774][T12241] Call Trace:
[  562.956775][T12241]  <TASK>
[  562.956776][T12241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  562.956782][T12241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  562.956783][T12241]  __might_resched.cold (kernel/sched/core.c:9234)
[  562.956787][T12241]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  562.956789][T12241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  562.956792][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.956795][T12241]  __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))
[  562.956798][T12241]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  562.956801][T12241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  562.956806][T12241]  ? 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)
[  562.956808][T12241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  562.956810][T12241]  put_chars (drivers/char/virtio_console.c:1176)
[  562.956812][T12241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  562.956814][T12241]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  562.956816][T12241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  562.956821][T12241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  562.956823][T12241]  ? vsnprintf (lib/vsprintf.c:2900)
[  562.956826][T12241]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  562.956828][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.956829][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.956831][T12241]  console_emit_next_record (kernel/printk/printk.c:3183)
[  562.956834][T12241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  562.956836][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.956837][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.956838][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.956839][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.956841][T12241]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  562.956843][T12241]  console_flush_one_record (kernel/printk/printk.c:3268)
[  562.956846][T12241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  562.956848][T12241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  562.956850][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.956852][T12241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  562.956854][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.956855][T12241]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  562.956856][T12241]  ? 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)
[  562.956858][T12241]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  562.956859][T12241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  562.956861][T12241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  562.956863][T12241]  vprintk_emit (kernel/printk/printk.c:2479)
[  562.956864][T12241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  562.956866][T12241]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  562.956867][T12241]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  562.956870][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.956872][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.956873][T12241]  _printk (kernel/printk/printk.c:2504)
[  562.956876][T12241]  ? snapshot_read.cold (user.c:?)
[  562.956878][T12241]  ? br_multicast_flood (??:?)
[  562.956882][T12241]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  562.956884][T12241]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  562.956886][T12241]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  562.956887][T12241]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  562.956891][T12241]  br_init_port (net/bridge/br_stp_if.c:39)
[  562.956892][T12241]  new_nbp (net/bridge/br_if.c:449)
[  562.956895][T12241]  br_add_if (net/bridge/br_if.c:592)
[  562.956896][T12241]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  562.956900][T12241]  do_set_master (net/core/rtnetlink.c:3071)
[  562.956902][T12241]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  562.956904][T12241]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  562.956905][T12241]  ? __dev_get_by_name (net/core/dev.c:905)
[  562.956907][T12241]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  562.956911][T12241]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  562.956914][T12241]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  562.956916][T12241]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  562.956919][T12241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  562.956921][T12241]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  562.956923][T12241]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2541)
[  562.956926][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.956927][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.956929][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.956930][T12241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  562.956931][T12241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  562.956933][T12241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  562.956934][T12241]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  562.956936][T12241]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  562.956940][T12241]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  562.956942][T12241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  562.956943][T12241]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  562.956945][T12241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  562.956946][T12241]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  562.956949][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.956950][T12241]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  562.956953][T12241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  562.956955][T12241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  562.956957][T12241]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  562.956959][T12241]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  562.956962][T12241]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  562.956965][T12241]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  562.956967][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.956968][T12241]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  562.956971][T12241]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  562.956974][T12241]  ____sys_sendmsg (net/socket.c:2713)
[  562.956976][T12241]  ? copy_msghdr_from_user (net/socket.c:2650)
[  562.956978][T12241]  ? sock_write_iter (net/socket.c:1269)
[  562.956979][T12241]  ? move_addr_to_kernel (net/socket.c:258)
[  562.956982][T12241]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  562.956984][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.956986][T12241]  ___sys_sendmsg (net/socket.c:2767)
[  562.956988][T12241]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  562.956990][T12241]  ? copy_msghdr_from_user (net/socket.c:2619)
[  562.956991][T12241]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  562.956996][T12241]  __sys_sendmsg (net/socket.c:2799)
[  562.956998][T12241]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  562.957001][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.957002][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.957003][T12241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  562.957006][T12241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  562.957008][T12241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  562.957010][T12241] RIP: 0033:0x7f48fbc6654e
[  562.957012][T12241] 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
[  562.957014][T12241] RSP: 002b:00007fffa1047940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  562.957017][T12241] RAX: ffffffffffffffda RBX: 00007fffa1048108 RCX: 00007f48fbc6654e
[  562.957019][T12241] RDX: 0000000000000000 RSI: 00007fffa10479f0 RDI: 0000000000000005
[  562.957020][T12241] RBP: 00007fffa1047950 R08: 0000000000000000 R09: 0000000000000000
[  562.957021][T12241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb25
[  562.957022][T12241] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa10480c0
| [  564.376328][T12310] softirqs last disabled at (0): 0x0
| [  564.376330][T12310] Preemption disabled at:
| [  564.376331][T12310] vprintk_emit (kernel/printk/printk.c:2471)
| [  564.376341][T12310] Tainted: [W]=WARN
[  564.376342][T12310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  564.376344][T12310] Call Trace:
[  564.376346][T12310]  <TASK>
[  564.376347][T12310]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  564.376352][T12310]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  564.376354][T12310]  __might_resched.cold (kernel/sched/core.c:9234)
[  564.376358][T12310]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  564.376361][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376364][T12310]  __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))
[  564.376367][T12310]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  564.376370][T12310]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  564.376375][T12310]  ? 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)
[  564.376376][T12310]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  564.376379][T12310]  put_chars (drivers/char/virtio_console.c:1176)
[  564.376381][T12310]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  564.376382][T12310]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  564.376384][T12310]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  564.376386][T12310]  ? pointer (lib/vsprintf.c:2577)
[  564.376390][T12310]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  564.376394][T12310]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  564.376396][T12310]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  564.376398][T12310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.376401][T12310]  console_emit_next_record (kernel/printk/printk.c:3183)
[  564.376403][T12310]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  564.376405][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376407][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376408][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376409][T12310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.376411][T12310]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  564.376412][T12310]  console_flush_one_record (kernel/printk/printk.c:3268)
[  564.376415][T12310]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  564.376418][T12310]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  564.376419][T12310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.376421][T12310]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  564.376423][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376424][T12310]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  564.376425][T12310]  ? 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)
[  564.376427][T12310]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  564.376428][T12310]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  564.376430][T12310]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  564.376432][T12310]  vprintk_emit (kernel/printk/printk.c:2479)
[  564.376434][T12310]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  564.376435][T12310]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  564.376438][T12310]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  564.376440][T12310]  _printk (kernel/printk/printk.c:2504)
[  564.376443][T12310]  ? snapshot_read.cold (user.c:?)
[  564.376445][T12310]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  564.376448][T12310]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  564.376451][T12310]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  564.376453][T12310]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  564.376456][T12310]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  564.376459][T12310]  ? netdev_notice (net/core/dev.c:13194)
[  564.376461][T12310]  ? 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)
[  564.376463][T12310]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  564.376465][T12310]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  564.376467][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376468][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376469][T12310]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  564.376472][T12310]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  564.376474][T12310]  ? 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)
[  564.376475][T12310]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  564.376476][T12310]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  564.376478][T12310]  ? register_netdev (net/core/dev.c:11618)
[  564.376479][T12310]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  564.376487][T12310]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  564.376489][T12310]  ? __kernel_text_address (kernel/extable.c:79)
[  564.376491][T12310]  ? write_profile (profile.c:?)
[  564.376494][T12310]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  564.376498][T12310]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  564.376500][T12310]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  564.376501][T12310]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  564.376502][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376504][T12310]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  564.376507][T12310]  ? kasan_save_stack (mm/kasan/common.c:58)
[  564.376509][T12310]  ? kasan_save_stack (mm/kasan/common.c:57)
[  564.376510][T12310]  ? kasan_save_track (mm/kasan/common.c:78)
[  564.376511][T12310]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  564.376512][T12310]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  564.376513][T12310]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  564.376515][T12310]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  564.376516][T12310]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  564.376519][T12310]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  564.376520][T12310]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  564.376522][T12310]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  564.376524][T12310]  ? ____sys_sendmsg (net/socket.c:2713)
[  564.376526][T12310]  ? ___sys_sendmsg (net/socket.c:2767)
[  564.376527][T12310]  ? __sys_sendmsg (net/socket.c:2799)
[  564.376529][T12310]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  564.376531][T12310]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  564.376534][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376536][T12310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.376537][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376538][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376540][T12310]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  564.376541][T12310]  ? __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)
[  564.376542][T12310]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  564.376544][T12310]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  564.376545][T12310]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  564.376546][T12310]  ? nla_get_range_signed (lib/nlattr.c:270)
[  564.376550][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376551][T12310]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  564.376553][T12310]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  564.376555][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376557][T12310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  564.376558][T12310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.376559][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376561][T12310]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  564.376563][T12310]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  564.376564][T12310]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  564.376566][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376567][T12310]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  564.376570][T12310]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  564.376573][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376574][T12310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.376575][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376577][T12310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  564.376578][T12310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  564.376579][T12310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  564.376581][T12310]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  564.376582][T12310]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  564.376585][T12310]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  564.376586][T12310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  564.376588][T12310]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  564.376590][T12310]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  564.376591][T12310]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  564.376594][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376595][T12310]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  564.376598][T12310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  564.376600][T12310]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  564.376602][T12310]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  564.376604][T12310]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  564.376606][T12310]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  564.376607][T12310]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  564.376609][T12310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.376611][T12310]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  564.376614][T12310]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  564.376616][T12310]  ____sys_sendmsg (net/socket.c:2713)
[  564.376618][T12310]  ? copy_msghdr_from_user (net/socket.c:2650)
[  564.376619][T12310]  ? sock_write_iter (net/socket.c:1269)
[  564.376621][T12310]  ? move_addr_to_kernel (net/socket.c:258)
[  564.376622][T12310]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  564.376625][T12310]  ___sys_sendmsg (net/socket.c:2767)
[  564.376627][T12310]  ? copy_msghdr_from_user (net/socket.c:2619)
[  564.376632][T12310]  __sys_sendmsg (net/socket.c:2799)
[  564.376634][T12310]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  564.376637][T12310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.376638][T12310]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  564.376640][T12310]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  564.376642][T12310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  564.376643][T12310] RIP: 0033:0x7fa863d9154e
[  564.376647][T12310] 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
[  564.376649][T12310] RSP: 002b:00007fff949686f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  564.376653][T12310] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa863d9154e
[  564.376655][T12310] RDX: 0000000000000000 RSI: 00007fff949687a0 RDI: 0000000000000005
[  564.376656][T12310] RBP: 00007fff94968700 R08: 0000000000000000 R09: 0000000000000000
[  564.376656][T12310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb26
[  564.376657][T12310] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff94968e60
| [  565.429114][T12360] softirqs last disabled at (0): 0x0
| [  565.429115][T12360] Preemption disabled at:
| [  565.429117][T12360] vprintk_emit (kernel/printk/printk.c:2471)
| [  565.429126][T12360] Tainted: [W]=WARN
[  565.429127][T12360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  565.429129][T12360] Call Trace:
[  565.429131][T12360]  <TASK>
[  565.429132][T12360]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  565.429138][T12360]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  565.429139][T12360]  __might_resched.cold (kernel/sched/core.c:9234)
[  565.429143][T12360]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  565.429145][T12360]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  565.429149][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429152][T12360]  __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))
[  565.429155][T12360]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  565.429157][T12360]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  565.429162][T12360]  ? 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)
[  565.429164][T12360]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  565.429167][T12360]  put_chars (drivers/char/virtio_console.c:1176)
[  565.429169][T12360]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  565.429170][T12360]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  565.429173][T12360]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  565.429178][T12360]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  565.429180][T12360]  ? vsnprintf (lib/vsprintf.c:2900)
[  565.429183][T12360]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  565.429184][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429185][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429187][T12360]  console_emit_next_record (kernel/printk/printk.c:3183)
[  565.429190][T12360]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  565.429192][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429193][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429194][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429195][T12360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.429198][T12360]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  565.429200][T12360]  console_flush_one_record (kernel/printk/printk.c:3268)
[  565.429202][T12360]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  565.429205][T12360]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  565.429207][T12360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.429209][T12360]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  565.429211][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429212][T12360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  565.429213][T12360]  ? 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)
[  565.429215][T12360]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  565.429216][T12360]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  565.429218][T12360]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  565.429220][T12360]  vprintk_emit (kernel/printk/printk.c:2479)
[  565.429221][T12360]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  565.429223][T12360]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  565.429224][T12360]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  565.429227][T12360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.429229][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429230][T12360]  _printk (kernel/printk/printk.c:2504)
[  565.429233][T12360]  ? snapshot_read.cold (user.c:?)
[  565.429235][T12360]  ? br_multicast_flood (??:?)
[  565.429239][T12360]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  565.429241][T12360]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  565.429243][T12360]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  565.429244][T12360]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  565.429247][T12360]  br_init_port (net/bridge/br_stp_if.c:39)
[  565.429249][T12360]  new_nbp (net/bridge/br_if.c:449)
[  565.429251][T12360]  br_add_if (net/bridge/br_if.c:592)
[  565.429253][T12360]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  565.429257][T12360]  do_set_master (net/core/rtnetlink.c:3071)
[  565.429259][T12360]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  565.429261][T12360]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  565.429262][T12360]  ? __dev_get_by_name (net/core/dev.c:905)
[  565.429264][T12360]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  565.429268][T12360]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  565.429270][T12360]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  565.429272][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429274][T12360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  565.429275][T12360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.429277][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429278][T12360]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  565.429281][T12360]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  565.429282][T12360]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  565.429285][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429286][T12360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.429287][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429289][T12360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  565.429290][T12360]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  565.429292][T12360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  565.429293][T12360]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  565.429295][T12360]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  565.429298][T12360]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  565.429302][T12360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  565.429303][T12360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  565.429305][T12360]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  565.429306][T12360]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  565.429310][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429311][T12360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  565.429313][T12360]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  565.429315][T12360]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  565.429317][T12360]  ? next_uptodate_folio (mm/filemap.c:3747)
[  565.429320][T12360]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  565.429322][T12360]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  565.429324][T12360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.429326][T12360]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  565.429329][T12360]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  565.429332][T12360]  ____sys_sendmsg (net/socket.c:2713)
[  565.429333][T12360]  ? copy_msghdr_from_user (net/socket.c:2650)
[  565.429335][T12360]  ? sock_write_iter (net/socket.c:1269)
[  565.429337][T12360]  ? move_addr_to_kernel (net/socket.c:258)
[  565.429339][T12360]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  565.429342][T12360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.429344][T12360]  ___sys_sendmsg (net/socket.c:2767)
[  565.429345][T12360]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  565.429347][T12360]  ? copy_msghdr_from_user (net/socket.c:2619)
[  565.429349][T12360]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  565.429353][T12360]  __sys_sendmsg (net/socket.c:2799)
[  565.429355][T12360]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  565.429358][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429359][T12360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.429361][T12360]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  565.429363][T12360]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  565.429365][T12360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  565.429367][T12360] RIP: 0033:0x7f29d388d54e
[  565.429369][T12360] 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
[  565.429371][T12360] RSP: 002b:00007ffdd3b89ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  565.429375][T12360] RAX: ffffffffffffffda RBX: 00007ffdd3b8a468 RCX: 00007f29d388d54e
[  565.429376][T12360] RDX: 0000000000000000 RSI: 00007ffdd3b89d50 RDI: 0000000000000005
[  565.429377][T12360] RBP: 00007ffdd3b89cb0 R08: 0000000000000000 R09: 0000000000000000
[  565.429378][T12360] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb27
[  565.429379][T12360] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd3b8a420
| [  571.426427][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  571.426429][   T12] Preemption disabled at:
| [  571.426430][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  571.426440][   T12] Tainted: [W]=WARN
[  571.426441][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  571.426443][   T12] Workqueue: netns cleanup_net
[  571.426449][   T12] Call Trace:
[  571.426451][   T12]  <TASK>
[  571.426453][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  571.426458][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  571.426459][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  571.426463][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  571.426465][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  571.426468][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.426471][   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))
[  571.426474][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  571.426477][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  571.426481][   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)
[  571.426483][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  571.426485][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  571.426487][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  571.426489][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  571.426492][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  571.426496][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  571.426498][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  571.426500][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  571.426502][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.426503][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.426505][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  571.426515][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  571.426517][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.426518][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.426519][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.426520][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  571.426522][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  571.426524][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  571.426526][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  571.426529][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  571.426531][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  571.426533][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  571.426535][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.426536][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  571.426537][   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)
[  571.426539][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  571.426540][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  571.426542][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  571.426544][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  571.426546][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  571.426547][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  571.426548][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  571.426551][   T12]  ? kthread (kernel/kthread.c:436)
[  571.426553][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  571.426556][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  571.426558][   T12]  _printk (kernel/printk/printk.c:2504)
[  571.426561][   T12]  ? snapshot_read.cold (user.c:?)
[  571.426564][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  571.426567][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  571.426569][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  571.426571][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  571.426573][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.426575][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  571.426576][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  571.426579][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  571.426580][   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)
[  571.426582][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  571.426584][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  571.426586][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  571.426590][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  571.426592][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  571.426595][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  571.426597][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  571.426599][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  571.426602][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  571.426604][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  571.426605][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.426607][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  571.426608][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.426610][   T12]  process_one_work (kernel/workqueue.c:3387)
[  571.426613][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  571.426615][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  571.426617][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  571.426620][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  571.426622][   T12]  kthread (kernel/kthread.c:436)
[  571.426624][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  571.426625][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  571.426627][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  571.426629][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  571.426631][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  571.426634][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  571.426636][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  572.630454][T12495] softirqs last disabled at (0): 0x0
| [  572.630456][T12495] Preemption disabled at:
| [  572.630457][T12495] vprintk_emit (kernel/printk/printk.c:2471)
| [  572.630467][T12495] Tainted: [W]=WARN
[  572.630468][T12495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  572.630470][T12495] Call Trace:
[  572.630471][T12495]  <TASK>
[  572.630472][T12495]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  572.630478][T12495]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  572.630479][T12495]  __might_resched.cold (kernel/sched/core.c:9234)
[  572.630483][T12495]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  572.630486][T12495]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  572.630489][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630492][T12495]  __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))
[  572.630494][T12495]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  572.630497][T12495]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  572.630502][T12495]  ? 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)
[  572.630504][T12495]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  572.630507][T12495]  put_chars (drivers/char/virtio_console.c:1176)
[  572.630509][T12495]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  572.630515][T12495]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  572.630518][T12495]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  572.630522][T12495]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  572.630524][T12495]  ? vsnprintf (lib/vsprintf.c:2900)
[  572.630528][T12495]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  572.630529][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630530][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630532][T12495]  console_emit_next_record (kernel/printk/printk.c:3183)
[  572.630535][T12495]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  572.630537][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630538][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630539][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630540][T12495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.630543][T12495]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  572.630544][T12495]  console_flush_one_record (kernel/printk/printk.c:3268)
[  572.630547][T12495]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  572.630550][T12495]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  572.630551][T12495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.630553][T12495]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  572.630555][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630556][T12495]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  572.630557][T12495]  ? 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)
[  572.630559][T12495]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  572.630560][T12495]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  572.630562][T12495]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  572.630564][T12495]  vprintk_emit (kernel/printk/printk.c:2479)
[  572.630565][T12495]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  572.630567][T12495]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  572.630568][T12495]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  572.630571][T12495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.630573][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630574][T12495]  _printk (kernel/printk/printk.c:2504)
[  572.630577][T12495]  ? snapshot_read.cold (user.c:?)
[  572.630579][T12495]  ? br_multicast_flood (??:?)
[  572.630583][T12495]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  572.630585][T12495]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  572.630586][T12495]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  572.630588][T12495]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  572.630591][T12495]  br_init_port (net/bridge/br_stp_if.c:39)
[  572.630593][T12495]  new_nbp (net/bridge/br_if.c:449)
[  572.630595][T12495]  br_add_if (net/bridge/br_if.c:592)
[  572.630597][T12495]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  572.630601][T12495]  do_set_master (net/core/rtnetlink.c:3071)
[  572.630603][T12495]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  572.630604][T12495]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  572.630606][T12495]  ? __dev_get_by_name (net/core/dev.c:905)
[  572.630608][T12495]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  572.630612][T12495]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  572.630615][T12495]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  572.630617][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630618][T12495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  572.630619][T12495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.630621][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630622][T12495]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  572.630625][T12495]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  572.630626][T12495]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  572.630629][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630630][T12495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.630632][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630633][T12495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  572.630634][T12495]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  572.630636][T12495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  572.630637][T12495]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  572.630639][T12495]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  572.630643][T12495]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  572.630648][T12495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  572.630649][T12495]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  572.630651][T12495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  572.630653][T12495]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  572.630656][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630657][T12495]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  572.630659][T12495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  572.630661][T12495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  572.630663][T12495]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  572.630666][T12495]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  572.630669][T12495]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  572.630671][T12495]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  572.630673][T12495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.630674][T12495]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  572.630678][T12495]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  572.630681][T12495]  ____sys_sendmsg (net/socket.c:2713)
[  572.630682][T12495]  ? copy_msghdr_from_user (net/socket.c:2650)
[  572.630684][T12495]  ? sock_write_iter (net/socket.c:1269)
[  572.630686][T12495]  ? move_addr_to_kernel (net/socket.c:258)
[  572.630688][T12495]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  572.630691][T12495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.630693][T12495]  ___sys_sendmsg (net/socket.c:2767)
[  572.630694][T12495]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  572.630696][T12495]  ? copy_msghdr_from_user (net/socket.c:2619)
[  572.630698][T12495]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  572.630702][T12495]  __sys_sendmsg (net/socket.c:2799)
[  572.630704][T12495]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  572.630707][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630708][T12495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.630710][T12495]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  572.630712][T12495]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  572.630714][T12495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  572.630716][T12495] RIP: 0033:0x7f8c1988154e
[  572.630718][T12495] 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
[  572.630720][T12495] RSP: 002b:00007ffe65fd7ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  572.630723][T12495] RAX: ffffffffffffffda RBX: 00007ffe65fd82a8 RCX: 00007f8c1988154e
[  572.630725][T12495] RDX: 0000000000000000 RSI: 00007ffe65fd7b90 RDI: 0000000000000005
[  572.630726][T12495] RBP: 00007ffe65fd7af0 R08: 0000000000000000 R09: 0000000000000000
[  572.630727][T12495] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb2f
[  572.630728][T12495] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe65fd8260
| [  573.952095][T12565] softirqs last disabled at (0): 0x0
| [  573.952096][T12565] Preemption disabled at:
| [  573.952097][T12565] vprintk_emit (kernel/printk/printk.c:2471)
| [  573.952107][T12565] Tainted: [W]=WARN
[  573.952108][T12565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  573.952109][T12565] Call Trace:
[  573.952111][T12565]  <TASK>
[  573.952112][T12565]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  573.952118][T12565]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  573.952119][T12565]  __might_resched.cold (kernel/sched/core.c:9234)
[  573.952123][T12565]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  573.952126][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952129][T12565]  __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))
[  573.952132][T12565]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  573.952135][T12565]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  573.952140][T12565]  ? 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)
[  573.952142][T12565]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  573.952144][T12565]  put_chars (drivers/char/virtio_console.c:1176)
[  573.952146][T12565]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  573.952147][T12565]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  573.952150][T12565]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  573.952152][T12565]  ? pointer (lib/vsprintf.c:2577)
[  573.952156][T12565]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  573.952160][T12565]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  573.952162][T12565]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  573.952164][T12565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.952166][T12565]  console_emit_next_record (kernel/printk/printk.c:3183)
[  573.952169][T12565]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  573.952171][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952172][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952174][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952175][T12565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.952177][T12565]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  573.952179][T12565]  console_flush_one_record (kernel/printk/printk.c:3268)
[  573.952181][T12565]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  573.952184][T12565]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  573.952186][T12565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.952188][T12565]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  573.952189][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952190][T12565]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  573.952192][T12565]  ? 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)
[  573.952193][T12565]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  573.952195][T12565]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  573.952197][T12565]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  573.952198][T12565]  vprintk_emit (kernel/printk/printk.c:2479)
[  573.952200][T12565]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  573.952201][T12565]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  573.952204][T12565]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  573.952207][T12565]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  573.952210][T12565]  _printk (kernel/printk/printk.c:2504)
[  573.952213][T12565]  ? snapshot_read.cold (user.c:?)
[  573.952215][T12565]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  573.952217][T12565]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  573.952220][T12565]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  573.952222][T12565]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  573.952225][T12565]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  573.952227][T12565]  ? netdev_notice (net/core/dev.c:13194)
[  573.952230][T12565]  ? 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)
[  573.952231][T12565]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  573.952234][T12565]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  573.952235][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952236][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952237][T12565]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  573.952239][T12565]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  573.952240][T12565]  ? 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)
[  573.952242][T12565]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  573.952243][T12565]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  573.952245][T12565]  ? register_netdev (net/core/dev.c:11618)
[  573.952246][T12565]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  573.952248][T12565]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  573.952250][T12565]  ? __kernel_text_address (kernel/extable.c:79)
[  573.952253][T12565]  ? write_profile (profile.c:?)
[  573.952256][T12565]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  573.952259][T12565]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  573.952261][T12565]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  573.952262][T12565]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  573.952263][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952264][T12565]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  573.952268][T12565]  ? kasan_save_stack (mm/kasan/common.c:58)
[  573.952270][T12565]  ? kasan_save_stack (mm/kasan/common.c:57)
[  573.952271][T12565]  ? kasan_save_track (mm/kasan/common.c:78)
[  573.952272][T12565]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  573.952273][T12565]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  573.952274][T12565]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  573.952275][T12565]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  573.952277][T12565]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  573.952280][T12565]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  573.952281][T12565]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  573.952283][T12565]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  573.952285][T12565]  ? ____sys_sendmsg (net/socket.c:2713)
[  573.952287][T12565]  ? ___sys_sendmsg (net/socket.c:2767)
[  573.952288][T12565]  ? __sys_sendmsg (net/socket.c:2799)
[  573.952290][T12565]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  573.952292][T12565]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  573.952295][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952296][T12565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.952298][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952299][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952300][T12565]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  573.952301][T12565]  ? __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)
[  573.952303][T12565]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  573.952304][T12565]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  573.952305][T12565]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  573.952307][T12565]  ? nla_get_range_signed (lib/nlattr.c:270)
[  573.952309][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952311][T12565]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  573.952313][T12565]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  573.952315][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952316][T12565]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  573.952317][T12565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.952319][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952320][T12565]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  573.952322][T12565]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  573.952324][T12565]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  573.952325][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952326][T12565]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  573.952329][T12565]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  573.952332][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952333][T12565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.952334][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952335][T12565]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  573.952337][T12565]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  573.952338][T12565]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  573.952340][T12565]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  573.952341][T12565]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  573.952344][T12565]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  573.952345][T12565]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  573.952347][T12565]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  573.952348][T12565]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  573.952350][T12565]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  573.952353][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952354][T12565]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  573.952356][T12565]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  573.952358][T12565]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  573.952360][T12565]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  573.952362][T12565]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  573.952364][T12565]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  573.952366][T12565]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  573.952367][T12565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.952369][T12565]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  573.952372][T12565]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  573.952374][T12565]  ____sys_sendmsg (net/socket.c:2713)
[  573.952376][T12565]  ? copy_msghdr_from_user (net/socket.c:2650)
[  573.952377][T12565]  ? sock_write_iter (net/socket.c:1269)
[  573.952379][T12565]  ? move_addr_to_kernel (net/socket.c:258)
[  573.952380][T12565]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  573.952383][T12565]  ___sys_sendmsg (net/socket.c:2767)
[  573.952385][T12565]  ? copy_msghdr_from_user (net/socket.c:2619)
[  573.952389][T12565]  __sys_sendmsg (net/socket.c:2799)
[  573.952391][T12565]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  573.952394][T12565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.952396][T12565]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  573.952398][T12565]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  573.952400][T12565]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  573.952401][T12565] RIP: 0033:0x7fa4408a654e
[  573.952403][T12565] 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
[  573.952405][T12565] RSP: 002b:00007ffccc569af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  573.952408][T12565] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa4408a654e
[  573.952410][T12565] RDX: 0000000000000000 RSI: 00007ffccc569ba0 RDI: 0000000000000005
[  573.952411][T12565] RBP: 00007ffccc569b00 R08: 0000000000000000 R09: 0000000000000000
[  573.952412][T12565] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb30
[  573.952412][T12565] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccc56a260
| [  575.007729][T12616] softirqs last disabled at (0): 0x0
| [  575.007731][T12616] Preemption disabled at:
| [  575.007732][T12616] vprintk_emit (kernel/printk/printk.c:2471)
| [  575.007742][T12616] Tainted: [W]=WARN
[  575.007743][T12616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  575.007745][T12616] Call Trace:
[  575.007746][T12616]  <TASK>
[  575.007747][T12616]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  575.007753][T12616]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  575.007754][T12616]  __might_resched.cold (kernel/sched/core.c:9234)
[  575.007759][T12616]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  575.007761][T12616]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  575.007764][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007767][T12616]  __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))
[  575.007770][T12616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  575.007773][T12616]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  575.007778][T12616]  ? 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)
[  575.007780][T12616]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  575.007782][T12616]  put_chars (drivers/char/virtio_console.c:1176)
[  575.007784][T12616]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  575.007786][T12616]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  575.007788][T12616]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  575.007793][T12616]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  575.007795][T12616]  ? vsnprintf (lib/vsprintf.c:2900)
[  575.007798][T12616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  575.007800][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007801][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007802][T12616]  console_emit_next_record (kernel/printk/printk.c:3183)
[  575.007805][T12616]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  575.007807][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007808][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007809][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007810][T12616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.007813][T12616]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  575.007814][T12616]  console_flush_one_record (kernel/printk/printk.c:3268)
[  575.007817][T12616]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  575.007820][T12616]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  575.007822][T12616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.007823][T12616]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  575.007825][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007826][T12616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.007828][T12616]  ? 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)
[  575.007829][T12616]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  575.007830][T12616]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  575.007832][T12616]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  575.007834][T12616]  vprintk_emit (kernel/printk/printk.c:2479)
[  575.007836][T12616]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  575.007837][T12616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  575.007839][T12616]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  575.007842][T12616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.007843][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007845][T12616]  _printk (kernel/printk/printk.c:2504)
[  575.007848][T12616]  ? snapshot_read.cold (user.c:?)
[  575.007850][T12616]  ? br_multicast_flood (??:?)
[  575.007853][T12616]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  575.007856][T12616]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  575.007857][T12616]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  575.007859][T12616]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  575.007862][T12616]  br_init_port (net/bridge/br_stp_if.c:39)
[  575.007864][T12616]  new_nbp (net/bridge/br_if.c:449)
[  575.007866][T12616]  br_add_if (net/bridge/br_if.c:592)
[  575.007868][T12616]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  575.007872][T12616]  do_set_master (net/core/rtnetlink.c:3071)
[  575.007874][T12616]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  575.007876][T12616]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  575.007877][T12616]  ? __dev_get_by_name (net/core/dev.c:905)
[  575.007879][T12616]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  575.007883][T12616]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  575.007886][T12616]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  575.007888][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007889][T12616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  575.007890][T12616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.007892][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007893][T12616]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  575.007896][T12616]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  575.007898][T12616]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  575.007900][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007901][T12616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.007903][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007904][T12616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  575.007906][T12616]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  575.007908][T12616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  575.007909][T12616]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  575.007910][T12616]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  575.007915][T12616]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  575.007918][T12616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  575.007919][T12616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.007921][T12616]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  575.007922][T12616]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  575.007925][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007927][T12616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.007929][T12616]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  575.007931][T12616]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  575.007933][T12616]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  575.007936][T12616]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  575.007938][T12616]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  575.007941][T12616]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  575.007943][T12616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.007944][T12616]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  575.007948][T12616]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  575.007951][T12616]  ____sys_sendmsg (net/socket.c:2713)
[  575.007952][T12616]  ? copy_msghdr_from_user (net/socket.c:2650)
[  575.007954][T12616]  ? sock_write_iter (net/socket.c:1269)
[  575.007956][T12616]  ? move_addr_to_kernel (net/socket.c:258)
[  575.007958][T12616]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  575.007961][T12616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.007963][T12616]  ___sys_sendmsg (net/socket.c:2767)
[  575.007964][T12616]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  575.007966][T12616]  ? copy_msghdr_from_user (net/socket.c:2619)
[  575.007968][T12616]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  575.007972][T12616]  __sys_sendmsg (net/socket.c:2799)
[  575.007974][T12616]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  575.007977][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007978][T12616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.007979][T12616]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  575.007982][T12616]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  575.007984][T12616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  575.007986][T12616] RIP: 0033:0x7fc8a97f454e
[  575.007988][T12616] 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
[  575.007990][T12616] RSP: 002b:00007fffeff1c8d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  575.007993][T12616] RAX: ffffffffffffffda RBX: 00007fffeff1d098 RCX: 00007fc8a97f454e
[  575.007995][T12616] RDX: 0000000000000000 RSI: 00007fffeff1c980 RDI: 0000000000000005
[  575.007996][T12616] RBP: 00007fffeff1c8e0 R08: 0000000000000000 R09: 0000000000000000
[  575.007997][T12616] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb31
[  575.007998][T12616] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffeff1d050
| [  581.004334][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  581.004337][   T12] Preemption disabled at:
| [  581.004338][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  581.004348][   T12] Tainted: [W]=WARN
[  581.004349][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  581.004351][   T12] Workqueue: netns cleanup_net
[  581.004357][   T12] Call Trace:
[  581.004359][   T12]  <TASK>
[  581.004361][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  581.004366][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  581.004367][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  581.004371][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  581.004374][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  581.004377][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.004379][   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))
[  581.004382][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  581.004385][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  581.004390][   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)
[  581.004392][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  581.004394][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  581.004396][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  581.004398][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  581.004400][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  581.004405][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  581.004407][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  581.004409][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  581.004411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.004412][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.004414][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  581.004416][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  581.004419][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.004420][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.004421][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.004422][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  581.004424][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  581.004426][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  581.004428][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  581.004431][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  581.004433][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  581.004435][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  581.004436][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.004437][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  581.004439][   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)
[  581.004440][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  581.004442][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  581.004444][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  581.004445][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  581.004447][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  581.004448][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  581.004450][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  581.004453][   T12]  ? kthread (kernel/kthread.c:436)
[  581.004455][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  581.004457][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  581.004460][   T12]  _printk (kernel/printk/printk.c:2504)
[  581.004464][   T12]  ? snapshot_read.cold (user.c:?)
[  581.004466][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  581.004469][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  581.004471][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  581.004474][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  581.004476][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.004477][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  581.004478][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  581.004482][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  581.004483][   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)
[  581.004485][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  581.004487][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  581.004489][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  581.004493][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  581.004496][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  581.004498][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  581.004500][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  581.004502][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  581.004505][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  581.004507][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  581.004509][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  581.004510][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.004512][   T12]  process_one_work (kernel/workqueue.c:3387)
[  581.004515][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  581.004518][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  581.004520][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  581.004523][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  581.004525][   T12]  kthread (kernel/kthread.c:436)
[  581.004526][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  581.004528][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  581.004530][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  581.004532][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  581.004534][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  581.004537][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  581.004544][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  582.196976][T12751] softirqs last disabled at (0): 0x0
| [  582.196978][T12751] Preemption disabled at:
| [  582.196978][T12751] vprintk_emit (kernel/printk/printk.c:2471)
| [  582.196989][T12751] Tainted: [W]=WARN
[  582.196990][T12751] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  582.196992][T12751] Call Trace:
[  582.196993][T12751]  <TASK>
[  582.196995][T12751]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  582.197000][T12751]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  582.197002][T12751]  __might_resched.cold (kernel/sched/core.c:9234)
[  582.197006][T12751]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  582.197008][T12751]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  582.197011][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197013][T12751]  __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))
[  582.197016][T12751]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  582.197019][T12751]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  582.197024][T12751]  ? 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)
[  582.197026][T12751]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  582.197029][T12751]  put_chars (drivers/char/virtio_console.c:1176)
[  582.197030][T12751]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  582.197032][T12751]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  582.197035][T12751]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  582.197039][T12751]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  582.197041][T12751]  ? vsnprintf (lib/vsprintf.c:2900)
[  582.197044][T12751]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  582.197046][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197047][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197049][T12751]  console_emit_next_record (kernel/printk/printk.c:3183)
[  582.197051][T12751]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  582.197054][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197055][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197055][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197057][T12751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.197059][T12751]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  582.197061][T12751]  console_flush_one_record (kernel/printk/printk.c:3268)
[  582.197063][T12751]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  582.197066][T12751]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  582.197068][T12751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.197069][T12751]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  582.197071][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197072][T12751]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  582.197074][T12751]  ? 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)
[  582.197075][T12751]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  582.197077][T12751]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  582.197079][T12751]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  582.197080][T12751]  vprintk_emit (kernel/printk/printk.c:2479)
[  582.197082][T12751]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  582.197083][T12751]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  582.197085][T12751]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  582.197087][T12751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.197089][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197090][T12751]  _printk (kernel/printk/printk.c:2504)
[  582.197093][T12751]  ? snapshot_read.cold (user.c:?)
[  582.197095][T12751]  ? br_multicast_flood (??:?)
[  582.197098][T12751]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  582.197101][T12751]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  582.197102][T12751]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  582.197104][T12751]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  582.197107][T12751]  br_init_port (net/bridge/br_stp_if.c:39)
[  582.197108][T12751]  new_nbp (net/bridge/br_if.c:449)
[  582.197111][T12751]  br_add_if (net/bridge/br_if.c:592)
[  582.197112][T12751]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  582.197117][T12751]  do_set_master (net/core/rtnetlink.c:3071)
[  582.197118][T12751]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  582.197120][T12751]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  582.197121][T12751]  ? __dev_get_by_name (net/core/dev.c:905)
[  582.197123][T12751]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  582.197127][T12751]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  582.197130][T12751]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  582.197132][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197133][T12751]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  582.197134][T12751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.197136][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197137][T12751]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  582.197140][T12751]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  582.197141][T12751]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  582.197144][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197145][T12751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.197146][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197148][T12751]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  582.197149][T12751]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  582.197151][T12751]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  582.197152][T12751]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  582.197154][T12751]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  582.197157][T12751]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  582.197161][T12751]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  582.197162][T12751]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  582.197164][T12751]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  582.197165][T12751]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  582.197168][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197169][T12751]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  582.197171][T12751]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  582.197174][T12751]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  582.197176][T12751]  ? next_uptodate_folio (mm/filemap.c:3747)
[  582.197178][T12751]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  582.197181][T12751]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  582.197183][T12751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.197184][T12751]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  582.197188][T12751]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  582.197191][T12751]  ____sys_sendmsg (net/socket.c:2713)
[  582.197192][T12751]  ? copy_msghdr_from_user (net/socket.c:2650)
[  582.197195][T12751]  ? sock_write_iter (net/socket.c:1269)
[  582.197196][T12751]  ? move_addr_to_kernel (net/socket.c:258)
[  582.197198][T12751]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  582.197201][T12751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.197203][T12751]  ___sys_sendmsg (net/socket.c:2767)
[  582.197204][T12751]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  582.197206][T12751]  ? copy_msghdr_from_user (net/socket.c:2619)
[  582.197208][T12751]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  582.197212][T12751]  __sys_sendmsg (net/socket.c:2799)
[  582.197214][T12751]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  582.197216][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197218][T12751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.197219][T12751]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  582.197221][T12751]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  582.197223][T12751]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  582.197225][T12751] RIP: 0033:0x7fea87f3d54e
[  582.197227][T12751] 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
[  582.197229][T12751] RSP: 002b:00007ffe9e703ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  582.197233][T12751] RAX: ffffffffffffffda RBX: 00007ffe9e7047b8 RCX: 00007fea87f3d54e
[  582.197234][T12751] RDX: 0000000000000000 RSI: 00007ffe9e7040a0 RDI: 0000000000000005
[  582.197235][T12751] RBP: 00007ffe9e704000 R08: 0000000000000000 R09: 0000000000000000
[  582.197236][T12751] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb38
[  582.197237][T12751] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9e704770
| [  583.510827][T12819] softirqs last disabled at (0): 0x0
| [  583.510829][T12819] Preemption disabled at:
| [  583.510830][T12819] vprintk_emit (kernel/printk/printk.c:2471)
| [  583.510840][T12819] Tainted: [W]=WARN
[  583.510841][T12819] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  583.510843][T12819] Call Trace:
[  583.510844][T12819]  <TASK>
[  583.510845][T12819]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  583.510851][T12819]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  583.510853][T12819]  __might_resched.cold (kernel/sched/core.c:9234)
[  583.510856][T12819]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  583.510860][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.510862][T12819]  __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))
[  583.510865][T12819]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  583.510868][T12819]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  583.510873][T12819]  ? 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)
[  583.510875][T12819]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  583.510878][T12819]  put_chars (drivers/char/virtio_console.c:1176)
[  583.510880][T12819]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  583.510881][T12819]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  583.510883][T12819]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  583.510886][T12819]  ? pointer (lib/vsprintf.c:2577)
[  583.510889][T12819]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  583.510894][T12819]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  583.510896][T12819]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  583.510898][T12819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  583.510900][T12819]  console_emit_next_record (kernel/printk/printk.c:3183)
[  583.510903][T12819]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  583.510905][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.510906][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.510907][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.510908][T12819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  583.510910][T12819]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  583.510912][T12819]  console_flush_one_record (kernel/printk/printk.c:3268)
[  583.510915][T12819]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  583.510917][T12819]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  583.510919][T12819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  583.510921][T12819]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  583.510923][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.510924][T12819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  583.510925][T12819]  ? 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)
[  583.510927][T12819]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  583.510928][T12819]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  583.510931][T12819]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  583.510932][T12819]  vprintk_emit (kernel/printk/printk.c:2479)
[  583.510934][T12819]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  583.510935][T12819]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  583.510938][T12819]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  583.510940][T12819]  _printk (kernel/printk/printk.c:2504)
[  583.510943][T12819]  ? snapshot_read.cold (user.c:?)
[  583.510945][T12819]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  583.510948][T12819]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  583.510951][T12819]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  583.510953][T12819]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  583.510956][T12819]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  583.510959][T12819]  ? netdev_notice (net/core/dev.c:13194)
[  583.510961][T12819]  ? 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)
[  583.510962][T12819]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  583.510965][T12819]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  583.510966][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.510967][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.510969][T12819]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  583.510972][T12819]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  583.510973][T12819]  ? 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)
[  583.510975][T12819]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  583.510976][T12819]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  583.510978][T12819]  ? register_netdev (net/core/dev.c:11618)
[  583.510979][T12819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  583.510981][T12819]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  583.510983][T12819]  ? __kernel_text_address (kernel/extable.c:79)
[  583.510986][T12819]  ? write_profile (profile.c:?)
[  583.510989][T12819]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  583.510992][T12819]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  583.510994][T12819]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  583.510996][T12819]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  583.510997][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.510998][T12819]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  583.511002][T12819]  ? kasan_save_stack (mm/kasan/common.c:58)
[  583.511003][T12819]  ? kasan_save_stack (mm/kasan/common.c:57)
[  583.511005][T12819]  ? kasan_save_track (mm/kasan/common.c:78)
[  583.511006][T12819]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  583.511007][T12819]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  583.511008][T12819]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  583.511009][T12819]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  583.511011][T12819]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  583.511014][T12819]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  583.511015][T12819]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  583.511017][T12819]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  583.511019][T12819]  ? ____sys_sendmsg (net/socket.c:2713)
[  583.511021][T12819]  ? ___sys_sendmsg (net/socket.c:2767)
[  583.511022][T12819]  ? __sys_sendmsg (net/socket.c:2799)
[  583.511024][T12819]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  583.511026][T12819]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  583.511029][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.511030][T12819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  583.511032][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.511033][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.511034][T12819]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  583.511035][T12819]  ? __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)
[  583.511037][T12819]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  583.511038][T12819]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  583.511040][T12819]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  583.511041][T12819]  ? nla_get_range_signed (lib/nlattr.c:270)
[  583.511044][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.511045][T12819]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  583.511047][T12819]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  583.511049][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.511050][T12819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  583.511052][T12819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  583.511053][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.511055][T12819]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  583.511057][T12819]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  583.511059][T12819]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  583.511060][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.511061][T12819]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  583.511065][T12819]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  583.511067][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.511068][T12819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  583.511070][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.511071][T12819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  583.511072][T12819]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  583.511074][T12819]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  583.511075][T12819]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  583.511077][T12819]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  583.511079][T12819]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  583.511081][T12819]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  583.511083][T12819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  583.511084][T12819]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  583.511086][T12819]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  583.511089][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.511090][T12819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  583.511092][T12819]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  583.511095][T12819]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  583.511096][T12819]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  583.511098][T12819]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  583.511100][T12819]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  583.511102][T12819]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  583.511104][T12819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  583.511105][T12819]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  583.511109][T12819]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  583.511110][T12819]  ____sys_sendmsg (net/socket.c:2713)
[  583.511112][T12819]  ? copy_msghdr_from_user (net/socket.c:2650)
[  583.511114][T12819]  ? sock_write_iter (net/socket.c:1269)
[  583.511115][T12819]  ? move_addr_to_kernel (net/socket.c:258)
[  583.511117][T12819]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  583.511119][T12819]  ___sys_sendmsg (net/socket.c:2767)
[  583.511121][T12819]  ? copy_msghdr_from_user (net/socket.c:2619)
[  583.511126][T12819]  __sys_sendmsg (net/socket.c:2799)
[  583.511128][T12819]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  583.511131][T12819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  583.511132][T12819]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  583.511134][T12819]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  583.511136][T12819]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  583.511138][T12819] RIP: 0033:0x7ff51c1cf54e
[  583.511139][T12819] 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
[  583.511141][T12819] RSP: 002b:00007fff1c3ef130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  583.511145][T12819] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff51c1cf54e
[  583.511146][T12819] RDX: 0000000000000000 RSI: 00007fff1c3ef1e0 RDI: 0000000000000005
[  583.511147][T12819] RBP: 00007fff1c3ef140 R08: 0000000000000000 R09: 0000000000000000
[  583.511148][T12819] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb39
[  583.511149][T12819] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1c3ef8a0
| [  584.561386][T12870] softirqs last disabled at (0): 0x0
| [  584.561388][T12870] Preemption disabled at:
| [  584.561389][T12870] vprintk_emit (kernel/printk/printk.c:2471)
| [  584.561398][T12870] Tainted: [W]=WARN
[  584.561400][T12870] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  584.561402][T12870] Call Trace:
[  584.561403][T12870]  <TASK>
[  584.561404][T12870]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  584.561410][T12870]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  584.561411][T12870]  __might_resched.cold (kernel/sched/core.c:9234)
[  584.561415][T12870]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  584.561418][T12870]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  584.561421][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561424][T12870]  __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))
[  584.561427][T12870]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  584.561430][T12870]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  584.561434][T12870]  ? 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)
[  584.561436][T12870]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  584.561439][T12870]  put_chars (drivers/char/virtio_console.c:1176)
[  584.561441][T12870]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  584.561442][T12870]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  584.561445][T12870]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  584.561450][T12870]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  584.561452][T12870]  ? vsnprintf (lib/vsprintf.c:2900)
[  584.561455][T12870]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  584.561457][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561458][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561459][T12870]  console_emit_next_record (kernel/printk/printk.c:3183)
[  584.561462][T12870]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  584.561464][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561465][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561466][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561468][T12870]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.561470][T12870]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  584.561472][T12870]  console_flush_one_record (kernel/printk/printk.c:3268)
[  584.561474][T12870]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  584.561477][T12870]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  584.561479][T12870]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.561481][T12870]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  584.561482][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561483][T12870]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  584.561485][T12870]  ? 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)
[  584.561486][T12870]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  584.561488][T12870]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  584.561490][T12870]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  584.561491][T12870]  vprintk_emit (kernel/printk/printk.c:2479)
[  584.561493][T12870]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  584.561494][T12870]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  584.561496][T12870]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  584.561499][T12870]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.561501][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561502][T12870]  _printk (kernel/printk/printk.c:2504)
[  584.561505][T12870]  ? snapshot_read.cold (user.c:?)
[  584.561507][T12870]  ? br_multicast_flood (??:?)
[  584.561511][T12870]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  584.561513][T12870]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  584.561514][T12870]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  584.561516][T12870]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  584.561519][T12870]  br_init_port (net/bridge/br_stp_if.c:39)
[  584.561521][T12870]  new_nbp (net/bridge/br_if.c:449)
[  584.561524][T12870]  br_add_if (net/bridge/br_if.c:592)
[  584.561526][T12870]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  584.561530][T12870]  do_set_master (net/core/rtnetlink.c:3071)
[  584.561531][T12870]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  584.561533][T12870]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  584.561535][T12870]  ? __dev_get_by_name (net/core/dev.c:905)
[  584.561537][T12870]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  584.561540][T12870]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  584.561543][T12870]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  584.561545][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561546][T12870]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  584.561548][T12870]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.561549][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561551][T12870]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  584.561557][T12870]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  584.561559][T12870]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  584.561561][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561562][T12870]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.561564][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561565][T12870]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  584.561566][T12870]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  584.561568][T12870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  584.561570][T12870]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  584.561571][T12870]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  584.561575][T12870]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  584.561578][T12870]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  584.561579][T12870]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  584.561581][T12870]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  584.561583][T12870]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  584.561586][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561587][T12870]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  584.561589][T12870]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  584.561591][T12870]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  584.561593][T12870]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  584.561596][T12870]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  584.561599][T12870]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  584.561601][T12870]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  584.561603][T12870]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.561605][T12870]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  584.561608][T12870]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  584.561611][T12870]  ____sys_sendmsg (net/socket.c:2713)
[  584.561613][T12870]  ? copy_msghdr_from_user (net/socket.c:2650)
[  584.561615][T12870]  ? sock_write_iter (net/socket.c:1269)
[  584.561616][T12870]  ? move_addr_to_kernel (net/socket.c:258)
[  584.561618][T12870]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  584.561621][T12870]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.561623][T12870]  ___sys_sendmsg (net/socket.c:2767)
[  584.561624][T12870]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  584.561626][T12870]  ? copy_msghdr_from_user (net/socket.c:2619)
[  584.561628][T12870]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  584.561632][T12870]  __sys_sendmsg (net/socket.c:2799)
[  584.561634][T12870]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  584.561637][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561638][T12870]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.561640][T12870]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  584.561642][T12870]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  584.561644][T12870]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  584.561648][T12870] RIP: 0033:0x7f9e6ac3554e
[  584.561650][T12870] 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
[  584.561652][T12870] RSP: 002b:00007ffd62162430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  584.561655][T12870] RAX: ffffffffffffffda RBX: 00007ffd62162bf8 RCX: 00007f9e6ac3554e
[  584.561657][T12870] RDX: 0000000000000000 RSI: 00007ffd621624e0 RDI: 0000000000000005
[  584.561658][T12870] RBP: 00007ffd62162440 R08: 0000000000000000 R09: 0000000000000000
[  584.561659][T12870] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb3a
[  584.561660][T12870] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd62162bb0
| [  590.591482][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  590.591484][   T12] Preemption disabled at:
| [  590.591485][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  590.591496][   T12] Tainted: [W]=WARN
[  590.591497][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  590.591500][   T12] Workqueue: netns cleanup_net
[  590.591506][   T12] Call Trace:
[  590.591507][   T12]  <TASK>
[  590.591509][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  590.591514][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  590.591516][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  590.591520][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  590.591522][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  590.591525][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.591528][   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))
[  590.591531][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  590.591534][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  590.591538][   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)
[  590.591540][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  590.591543][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  590.591545][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  590.591546][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  590.591549][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  590.591554][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  590.591556][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  590.591558][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  590.591560][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.591561][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.591563][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  590.591566][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  590.591568][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.591569][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.591570][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.591571][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  590.591578][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  590.591580][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  590.591582][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  590.591585][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  590.591587][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  590.591589][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  590.591591][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.591592][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  590.591593][   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)
[  590.591595][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  590.591597][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  590.591599][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  590.591600][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  590.591602][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  590.591604][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  590.591605][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  590.591608][   T12]  ? kthread (kernel/kthread.c:436)
[  590.591610][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  590.591613][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  590.591616][   T12]  _printk (kernel/printk/printk.c:2504)
[  590.591619][   T12]  ? snapshot_read.cold (user.c:?)
[  590.591622][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  590.591625][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  590.591627][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  590.591630][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  590.591632][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.591634][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  590.591635][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  590.591638][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  590.591640][   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)
[  590.591642][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  590.591644][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  590.591650][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  590.591654][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  590.591657][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  590.591659][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  590.591662][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  590.591664][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  590.591667][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  590.591669][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  590.591672][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  590.591674][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.591676][   T12]  process_one_work (kernel/workqueue.c:3387)
[  590.591679][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  590.591682][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  590.591685][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  590.591688][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  590.591690][   T12]  kthread (kernel/kthread.c:436)
[  590.591692][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  590.591694][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  590.591697][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  590.591699][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  590.591701][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  590.591705][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  590.591707][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  591.780111][T13005] softirqs last disabled at (0): 0x0
| [  591.780113][T13005] Preemption disabled at:
| [  591.780114][T13005] vprintk_emit (kernel/printk/printk.c:2471)
| [  591.780124][T13005] Tainted: [W]=WARN
[  591.780125][T13005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  591.780127][T13005] Call Trace:
[  591.780129][T13005]  <TASK>
[  591.780130][T13005]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  591.780135][T13005]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  591.780137][T13005]  __might_resched.cold (kernel/sched/core.c:9234)
[  591.780140][T13005]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  591.780143][T13005]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  591.780146][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780148][T13005]  __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))
[  591.780151][T13005]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  591.780154][T13005]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  591.780159][T13005]  ? 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)
[  591.780161][T13005]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  591.780163][T13005]  put_chars (drivers/char/virtio_console.c:1176)
[  591.780165][T13005]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  591.780166][T13005]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  591.780169][T13005]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  591.780173][T13005]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  591.780175][T13005]  ? vsnprintf (lib/vsprintf.c:2900)
[  591.780178][T13005]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  591.780180][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780181][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780183][T13005]  console_emit_next_record (kernel/printk/printk.c:3183)
[  591.780186][T13005]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  591.780188][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780189][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780190][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780191][T13005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.780193][T13005]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  591.780195][T13005]  console_flush_one_record (kernel/printk/printk.c:3268)
[  591.780198][T13005]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  591.780200][T13005]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  591.780202][T13005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.780204][T13005]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  591.780205][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780206][T13005]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  591.780208][T13005]  ? 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)
[  591.780209][T13005]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  591.780211][T13005]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  591.780213][T13005]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  591.780214][T13005]  vprintk_emit (kernel/printk/printk.c:2479)
[  591.780216][T13005]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  591.780217][T13005]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  591.780219][T13005]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  591.780222][T13005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.780223][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780225][T13005]  _printk (kernel/printk/printk.c:2504)
[  591.780228][T13005]  ? snapshot_read.cold (user.c:?)
[  591.780230][T13005]  ? br_multicast_flood (??:?)
[  591.780233][T13005]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  591.780236][T13005]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  591.780237][T13005]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  591.780239][T13005]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  591.780242][T13005]  br_init_port (net/bridge/br_stp_if.c:39)
[  591.780243][T13005]  new_nbp (net/bridge/br_if.c:449)
[  591.780246][T13005]  br_add_if (net/bridge/br_if.c:592)
[  591.780247][T13005]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  591.780251][T13005]  do_set_master (net/core/rtnetlink.c:3071)
[  591.780253][T13005]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  591.780255][T13005]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  591.780256][T13005]  ? __dev_get_by_name (net/core/dev.c:905)
[  591.780258][T13005]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  591.780262][T13005]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  591.780264][T13005]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  591.780266][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780268][T13005]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  591.780269][T13005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.780271][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780272][T13005]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  591.780274][T13005]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  591.780276][T13005]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  591.780279][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780280][T13005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.780281][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780283][T13005]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  591.780284][T13005]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  591.780286][T13005]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  591.780287][T13005]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  591.780289][T13005]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  591.780292][T13005]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  591.780295][T13005]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  591.780297][T13005]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  591.780298][T13005]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  591.780300][T13005]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  591.780303][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780304][T13005]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  591.780306][T13005]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  591.780308][T13005]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  591.780310][T13005]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  591.780313][T13005]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  591.780316][T13005]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  591.780318][T13005]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  591.780320][T13005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.780321][T13005]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  591.780325][T13005]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  591.780327][T13005]  ____sys_sendmsg (net/socket.c:2713)
[  591.780329][T13005]  ? copy_msghdr_from_user (net/socket.c:2650)
[  591.780331][T13005]  ? sock_write_iter (net/socket.c:1269)
[  591.780332][T13005]  ? move_addr_to_kernel (net/socket.c:258)
[  591.780334][T13005]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  591.780337][T13005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.780339][T13005]  ___sys_sendmsg (net/socket.c:2767)
[  591.780340][T13005]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  591.780342][T13005]  ? copy_msghdr_from_user (net/socket.c:2619)
[  591.780344][T13005]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  591.780348][T13005]  __sys_sendmsg (net/socket.c:2799)
[  591.780350][T13005]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  591.780353][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780354][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.780355][T13005]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  591.780358][T13005]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  591.780360][T13005]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  591.780362][T13005] RIP: 0033:0x7fa5c9f8854e
[  591.780364][T13005] 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
[  591.780366][T13005] RSP: 002b:00007ffe70fd7c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  591.780369][T13005] RAX: ffffffffffffffda RBX: 00007ffe70fd8408 RCX: 00007fa5c9f8854e
[  591.780371][T13005] RDX: 0000000000000000 RSI: 00007ffe70fd7cf0 RDI: 0000000000000005
[  591.780372][T13005] RBP: 00007ffe70fd7c50 R08: 0000000000000000 R09: 0000000000000000
[  591.780373][T13005] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb42
[  591.780373][T13005] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe70fd83c0
| [  593.072739][T13073] softirqs last disabled at (0): 0x0
| [  593.072741][T13073] Preemption disabled at:
| [  593.072742][T13073] vprintk_emit (kernel/printk/printk.c:2471)
| [  593.072751][T13073] Tainted: [W]=WARN
[  593.072752][T13073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  593.072754][T13073] Call Trace:
[  593.072755][T13073]  <TASK>
[  593.072757][T13073]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  593.072762][T13073]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  593.072764][T13073]  __might_resched.cold (kernel/sched/core.c:9234)
[  593.072768][T13073]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  593.072771][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072774][T13073]  __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))
[  593.072777][T13073]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  593.072780][T13073]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  593.072784][T13073]  ? 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)
[  593.072786][T13073]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  593.072789][T13073]  put_chars (drivers/char/virtio_console.c:1176)
[  593.072790][T13073]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  593.072792][T13073]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  593.072794][T13073]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  593.072796][T13073]  ? pointer (lib/vsprintf.c:2577)
[  593.072799][T13073]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  593.072804][T13073]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  593.072806][T13073]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  593.072807][T13073]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.072810][T13073]  console_emit_next_record (kernel/printk/printk.c:3183)
[  593.072813][T13073]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  593.072815][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072816][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072817][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072818][T13073]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.072820][T13073]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  593.072822][T13073]  console_flush_one_record (kernel/printk/printk.c:3268)
[  593.072824][T13073]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  593.072827][T13073]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  593.072829][T13073]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.072831][T13073]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  593.072832][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072833][T13073]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  593.072835][T13073]  ? 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)
[  593.072836][T13073]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  593.072838][T13073]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  593.072840][T13073]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  593.072841][T13073]  vprintk_emit (kernel/printk/printk.c:2479)
[  593.072843][T13073]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  593.072844][T13073]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  593.072846][T13073]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  593.072850][T13073]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  593.072852][T13073]  _printk (kernel/printk/printk.c:2504)
[  593.072855][T13073]  ? snapshot_read.cold (user.c:?)
[  593.072857][T13073]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  593.072859][T13073]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  593.072862][T13073]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  593.072864][T13073]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  593.072867][T13073]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  593.072870][T13073]  ? netdev_notice (net/core/dev.c:13194)
[  593.072872][T13073]  ? 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)
[  593.072873][T13073]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  593.072876][T13073]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  593.072878][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072879][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072880][T13073]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  593.072881][T13073]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  593.072883][T13073]  ? 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)
[  593.072884][T13073]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  593.072885][T13073]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  593.072887][T13073]  ? register_netdev (net/core/dev.c:11618)
[  593.072888][T13073]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  593.072890][T13073]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  593.072893][T13073]  ? __kernel_text_address (kernel/extable.c:79)
[  593.072895][T13073]  ? write_profile (profile.c:?)
[  593.072898][T13073]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  593.072901][T13073]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  593.072903][T13073]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  593.072905][T13073]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  593.072906][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072907][T13073]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  593.072911][T13073]  ? kasan_save_stack (mm/kasan/common.c:58)
[  593.072912][T13073]  ? kasan_save_stack (mm/kasan/common.c:57)
[  593.072913][T13073]  ? kasan_save_track (mm/kasan/common.c:78)
[  593.072915][T13073]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  593.072916][T13073]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  593.072917][T13073]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  593.072918][T13073]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  593.072919][T13073]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  593.072922][T13073]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  593.072924][T13073]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  593.072925][T13073]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  593.072928][T13073]  ? ____sys_sendmsg (net/socket.c:2713)
[  593.072929][T13073]  ? ___sys_sendmsg (net/socket.c:2767)
[  593.072931][T13073]  ? __sys_sendmsg (net/socket.c:2799)
[  593.072932][T13073]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  593.072934][T13073]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  593.072937][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072938][T13073]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.072940][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072941][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072942][T13073]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  593.072943][T13073]  ? __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)
[  593.072944][T13073]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  593.072946][T13073]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  593.072947][T13073]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  593.072948][T13073]  ? nla_get_range_signed (lib/nlattr.c:270)
[  593.072951][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072953][T13073]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  593.072955][T13073]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  593.072957][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072958][T13073]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  593.072959][T13073]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.072961][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072962][T13073]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  593.072964][T13073]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  593.072966][T13073]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  593.072967][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072968][T13073]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  593.072972][T13073]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  593.072974][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072975][T13073]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.072977][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072978][T13073]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  593.072979][T13073]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  593.072981][T13073]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  593.072982][T13073]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  593.072984][T13073]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  593.072986][T13073]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  593.072988][T13073]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  593.072989][T13073]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  593.072991][T13073]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  593.072992][T13073]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  593.072996][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.072997][T13073]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  593.072999][T13073]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  593.073001][T13073]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  593.073003][T13073]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  593.073004][T13073]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  593.073007][T13073]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  593.073008][T13073]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  593.073010][T13073]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.073011][T13073]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  593.073015][T13073]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  593.073017][T13073]  ____sys_sendmsg (net/socket.c:2713)
[  593.073018][T13073]  ? copy_msghdr_from_user (net/socket.c:2650)
[  593.073020][T13073]  ? sock_write_iter (net/socket.c:1269)
[  593.073021][T13073]  ? move_addr_to_kernel (net/socket.c:258)
[  593.073023][T13073]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  593.073025][T13073]  ___sys_sendmsg (net/socket.c:2767)
[  593.073027][T13073]  ? copy_msghdr_from_user (net/socket.c:2619)
[  593.073032][T13073]  __sys_sendmsg (net/socket.c:2799)
[  593.073034][T13073]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  593.073036][T13073]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.073038][T13073]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  593.073040][T13073]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  593.073041][T13073]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  593.073043][T13073] RIP: 0033:0x7fce2d20b54e
[  593.073045][T13073] 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
[  593.073047][T13073] RSP: 002b:00007ffcfbf3d480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  593.073050][T13073] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fce2d20b54e
[  593.073052][T13073] RDX: 0000000000000000 RSI: 00007ffcfbf3d530 RDI: 0000000000000005
[  593.073052][T13073] RBP: 00007ffcfbf3d490 R08: 0000000000000000 R09: 0000000000000000
[  593.073053][T13073] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb43
[  593.073054][T13073] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfbf3dbf0
| [  594.133150][T13131] softirqs last disabled at (0): 0x0
| [  594.133152][T13131] Preemption disabled at:
| [  594.133153][T13131] vprintk_emit (kernel/printk/printk.c:2471)
| [  594.133163][T13131] Tainted: [W]=WARN
[  594.133164][T13131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  594.133166][T13131] Call Trace:
[  594.133167][T13131]  <TASK>
[  594.133168][T13131]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  594.133174][T13131]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  594.133176][T13131]  __might_resched.cold (kernel/sched/core.c:9234)
[  594.133179][T13131]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  594.133181][T13131]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  594.133185][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133188][T13131]  __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))
[  594.133191][T13131]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  594.133193][T13131]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  594.133198][T13131]  ? 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)
[  594.133200][T13131]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  594.133203][T13131]  put_chars (drivers/char/virtio_console.c:1176)
[  594.133204][T13131]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  594.133206][T13131]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  594.133209][T13131]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  594.133213][T13131]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  594.133215][T13131]  ? vsnprintf (lib/vsprintf.c:2900)
[  594.133218][T13131]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  594.133220][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133221][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133223][T13131]  console_emit_next_record (kernel/printk/printk.c:3183)
[  594.133225][T13131]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  594.133227][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133228][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133229][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133230][T13131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.133233][T13131]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  594.133235][T13131]  console_flush_one_record (kernel/printk/printk.c:3268)
[  594.133237][T13131]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  594.133240][T13131]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  594.133242][T13131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.133243][T13131]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  594.133245][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133246][T13131]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  594.133248][T13131]  ? 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)
[  594.133249][T13131]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  594.133251][T13131]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  594.133252][T13131]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  594.133254][T13131]  vprintk_emit (kernel/printk/printk.c:2479)
[  594.133256][T13131]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  594.133257][T13131]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  594.133259][T13131]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  594.133262][T13131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.133263][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133265][T13131]  _printk (kernel/printk/printk.c:2504)
[  594.133267][T13131]  ? snapshot_read.cold (user.c:?)
[  594.133269][T13131]  ? br_multicast_flood (??:?)
[  594.133273][T13131]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  594.133276][T13131]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  594.133277][T13131]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  594.133279][T13131]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  594.133282][T13131]  br_init_port (net/bridge/br_stp_if.c:39)
[  594.133284][T13131]  new_nbp (net/bridge/br_if.c:449)
[  594.133286][T13131]  br_add_if (net/bridge/br_if.c:592)
[  594.133288][T13131]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  594.133292][T13131]  do_set_master (net/core/rtnetlink.c:3071)
[  594.133293][T13131]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  594.133295][T13131]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  594.133296][T13131]  ? __dev_get_by_name (net/core/dev.c:905)
[  594.133298][T13131]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  594.133302][T13131]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  594.133305][T13131]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  594.133307][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133308][T13131]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  594.133309][T13131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.133311][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133312][T13131]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  594.133315][T13131]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  594.133317][T13131]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  594.133319][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133320][T13131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.133322][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133323][T13131]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  594.133324][T13131]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  594.133326][T13131]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  594.133327][T13131]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  594.133329][T13131]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  594.133333][T13131]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  594.133336][T13131]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  594.133337][T13131]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  594.133339][T13131]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  594.133341][T13131]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  594.133344][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133345][T13131]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  594.133347][T13131]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  594.133349][T13131]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  594.133351][T13131]  ? next_uptodate_folio (mm/filemap.c:3747)
[  594.133354][T13131]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  594.133356][T13131]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  594.133359][T13131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.133360][T13131]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  594.133363][T13131]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  594.133366][T13131]  ____sys_sendmsg (net/socket.c:2713)
[  594.133368][T13131]  ? copy_msghdr_from_user (net/socket.c:2650)
[  594.133370][T13131]  ? sock_write_iter (net/socket.c:1269)
[  594.133371][T13131]  ? move_addr_to_kernel (net/socket.c:258)
[  594.133373][T13131]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  594.133376][T13131]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.133378][T13131]  ___sys_sendmsg (net/socket.c:2767)
[  594.133380][T13131]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  594.133381][T13131]  ? copy_msghdr_from_user (net/socket.c:2619)
[  594.133383][T13131]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  594.133387][T13131]  __sys_sendmsg (net/socket.c:2799)
[  594.133390][T13131]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  594.133392][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133393][T13131]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.133395][T13131]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  594.133397][T13131]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  594.133399][T13131]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  594.133401][T13131] RIP: 0033:0x7fa81f4f154e
[  594.133403][T13131] 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
[  594.133405][T13131] RSP: 002b:00007fff253ff4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  594.133408][T13131] RAX: ffffffffffffffda RBX: 00007fff253ffca8 RCX: 00007fa81f4f154e
[  594.133410][T13131] RDX: 0000000000000000 RSI: 00007fff253ff590 RDI: 0000000000000005
[  594.133411][T13131] RBP: 00007fff253ff4f0 R08: 0000000000000000 R09: 0000000000000000
[  594.133412][T13131] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb44
[  594.133413][T13131] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff253ffc60
| [  600.119380][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  600.119383][   T12] Preemption disabled at:
| [  600.119383][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  600.119394][   T12] Tainted: [W]=WARN
[  600.119395][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  600.119397][   T12] Workqueue: netns cleanup_net
[  600.119403][   T12] Call Trace:
[  600.119405][   T12]  <TASK>
[  600.119406][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  600.119412][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  600.119414][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  600.119417][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  600.119420][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  600.119423][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.119425][   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))
[  600.119428][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  600.119431][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  600.119436][   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)
[  600.119438][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  600.119440][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  600.119442][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  600.119444][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  600.119448][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  600.119452][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  600.119454][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  600.119457][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  600.119458][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.119459][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.119461][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  600.119464][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  600.119466][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.119467][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.119468][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.119469][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.119471][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  600.119473][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  600.119476][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  600.119478][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  600.119480][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.119482][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  600.119484][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.119485][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  600.119486][   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)
[  600.119488][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  600.119489][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  600.119492][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  600.119493][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  600.119495][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  600.119496][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  600.119498][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  600.119500][   T12]  ? kthread (kernel/kthread.c:436)
[  600.119503][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  600.119505][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  600.119508][   T12]  _printk (kernel/printk/printk.c:2504)
[  600.119511][   T12]  ? snapshot_read.cold (user.c:?)
[  600.119513][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  600.119517][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  600.119519][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  600.119521][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  600.119523][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.119525][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  600.119526][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  600.119529][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  600.119531][   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)
[  600.119532][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  600.119535][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  600.119537][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  600.119541][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  600.119543][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  600.119546][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  600.119548][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  600.119550][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  600.119553][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  600.119555][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  600.119556][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  600.119559][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.119561][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.119562][   T12]  process_one_work (kernel/workqueue.c:3387)
[  600.119565][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  600.119568][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  600.119570][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  600.119573][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  600.119575][   T12]  kthread (kernel/kthread.c:436)
[  600.119577][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  600.119578][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  600.119580][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  600.119582][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  600.119584][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  600.119587][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  600.119589][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  601.347899][T13266] softirqs last disabled at (0): 0x0
| [  601.347901][T13266] Preemption disabled at:
| [  601.347901][T13266] vprintk_emit (kernel/printk/printk.c:2471)
| [  601.347911][T13266] Tainted: [W]=WARN
[  601.347912][T13266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  601.347914][T13266] Call Trace:
[  601.347915][T13266]  <TASK>
[  601.347917][T13266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  601.347922][T13266]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  601.347923][T13266]  __might_resched.cold (kernel/sched/core.c:9234)
[  601.347927][T13266]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  601.347929][T13266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  601.347932][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.347935][T13266]  __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))
[  601.347938][T13266]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  601.347941][T13266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  601.347945][T13266]  ? 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)
[  601.347947][T13266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  601.347950][T13266]  put_chars (drivers/char/virtio_console.c:1176)
[  601.347951][T13266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  601.347953][T13266]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  601.347956][T13266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  601.347960][T13266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  601.347962][T13266]  ? vsnprintf (lib/vsprintf.c:2900)
[  601.347965][T13266]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  601.347967][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.347968][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.347970][T13266]  console_emit_next_record (kernel/printk/printk.c:3183)
[  601.347972][T13266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  601.347974][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.347975][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.347976][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.347978][T13266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  601.347980][T13266]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  601.347982][T13266]  console_flush_one_record (kernel/printk/printk.c:3268)
[  601.347984][T13266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  601.347987][T13266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  601.347989][T13266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  601.347990][T13266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  601.347992][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.347993][T13266]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  601.347994][T13266]  ? 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)
[  601.347996][T13266]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  601.347997][T13266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  601.347999][T13266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  601.348001][T13266]  vprintk_emit (kernel/printk/printk.c:2479)
[  601.348002][T13266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  601.348004][T13266]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  601.348005][T13266]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  601.348008][T13266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  601.348010][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.348011][T13266]  _printk (kernel/printk/printk.c:2504)
[  601.348014][T13266]  ? snapshot_read.cold (user.c:?)
[  601.348016][T13266]  ? br_multicast_flood (??:?)
[  601.348019][T13266]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  601.348022][T13266]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  601.348023][T13266]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  601.348025][T13266]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  601.348028][T13266]  br_init_port (net/bridge/br_stp_if.c:39)
[  601.348030][T13266]  new_nbp (net/bridge/br_if.c:449)
[  601.348032][T13266]  br_add_if (net/bridge/br_if.c:592)
[  601.348034][T13266]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  601.348038][T13266]  do_set_master (net/core/rtnetlink.c:3071)
[  601.348039][T13266]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  601.348041][T13266]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  601.348043][T13266]  ? __dev_get_by_name (net/core/dev.c:905)
[  601.348044][T13266]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  601.348048][T13266]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  601.348051][T13266]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  601.348053][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.348054][T13266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  601.348055][T13266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  601.348057][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.348058][T13266]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  601.348061][T13266]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  601.348063][T13266]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  601.348065][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.348066][T13266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  601.348068][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.348069][T13266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  601.348070][T13266]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  601.348072][T13266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  601.348073][T13266]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  601.348075][T13266]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  601.348079][T13266]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  601.348082][T13266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  601.348083][T13266]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  601.348085][T13266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  601.348086][T13266]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  601.348089][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.348091][T13266]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  601.348093][T13266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  601.348095][T13266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  601.348097][T13266]  ? next_uptodate_folio (mm/filemap.c:3747)
[  601.348100][T13266]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  601.348102][T13266]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  601.348104][T13266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  601.348106][T13266]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  601.348109][T13266]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  601.348112][T13266]  ____sys_sendmsg (net/socket.c:2713)
[  601.348113][T13266]  ? copy_msghdr_from_user (net/socket.c:2650)
[  601.348115][T13266]  ? sock_write_iter (net/socket.c:1269)
[  601.348117][T13266]  ? move_addr_to_kernel (net/socket.c:258)
[  601.348119][T13266]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  601.348121][T13266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  601.348123][T13266]  ___sys_sendmsg (net/socket.c:2767)
[  601.348125][T13266]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  601.348127][T13266]  ? copy_msghdr_from_user (net/socket.c:2619)
[  601.348128][T13266]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  601.348133][T13266]  __sys_sendmsg (net/socket.c:2799)
[  601.348135][T13266]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  601.348137][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.348139][T13266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.348140][T13266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  601.348143][T13266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  601.348145][T13266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  601.348147][T13266] RIP: 0033:0x7fecf396554e
[  601.348149][T13266] 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
[  601.348151][T13266] RSP: 002b:00007fff733fac30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  601.348154][T13266] RAX: ffffffffffffffda RBX: 00007fff733fb3f8 RCX: 00007fecf396554e
[  601.348156][T13266] RDX: 0000000000000000 RSI: 00007fff733face0 RDI: 0000000000000005
[  601.348157][T13266] RBP: 00007fff733fac40 R08: 0000000000000000 R09: 0000000000000000
[  601.348157][T13266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb4b
[  601.348158][T13266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff733fb3b0
| [  602.735833][T13335] softirqs last disabled at (0): 0x0
| [  602.735835][T13335] Preemption disabled at:
| [  602.735836][T13335] vprintk_emit (kernel/printk/printk.c:2471)
| [  602.735846][T13335] Tainted: [W]=WARN
[  602.735847][T13335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  602.735849][T13335] Call Trace:
[  602.735851][T13335]  <TASK>
[  602.735852][T13335]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  602.735858][T13335]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  602.735859][T13335]  __might_resched.cold (kernel/sched/core.c:9234)
[  602.735863][T13335]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  602.735867][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.735869][T13335]  __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))
[  602.735872][T13335]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.735875][T13335]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  602.735880][T13335]  ? 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)
[  602.735882][T13335]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  602.735885][T13335]  put_chars (drivers/char/virtio_console.c:1176)
[  602.735886][T13335]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  602.735887][T13335]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  602.735890][T13335]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  602.735892][T13335]  ? pointer (lib/vsprintf.c:2577)
[  602.735896][T13335]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  602.735900][T13335]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  602.735902][T13335]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.735904][T13335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.735907][T13335]  console_emit_next_record (kernel/printk/printk.c:3183)
[  602.735909][T13335]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  602.735911][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.735913][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.735914][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.735915][T13335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.735917][T13335]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  602.735918][T13335]  console_flush_one_record (kernel/printk/printk.c:3268)
[  602.735921][T13335]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  602.735924][T13335]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  602.735926][T13335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.735927][T13335]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  602.735929][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.735930][T13335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.735931][T13335]  ? 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)
[  602.735933][T13335]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  602.735934][T13335]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  602.735937][T13335]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  602.735938][T13335]  vprintk_emit (kernel/printk/printk.c:2479)
[  602.735940][T13335]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  602.735941][T13335]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  602.735943][T13335]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  602.735947][T13335]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  602.735949][T13335]  _printk (kernel/printk/printk.c:2504)
[  602.735952][T13335]  ? snapshot_read.cold (user.c:?)
[  602.735954][T13335]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  602.735957][T13335]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  602.735960][T13335]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  602.735962][T13335]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  602.735965][T13335]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  602.735967][T13335]  ? netdev_notice (net/core/dev.c:13194)
[  602.735969][T13335]  ? 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)
[  602.735971][T13335]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  602.735974][T13335]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.735975][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.735976][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.735977][T13335]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  602.735979][T13335]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  602.735980][T13335]  ? 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)
[  602.735982][T13335]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  602.735983][T13335]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  602.735985][T13335]  ? register_netdev (net/core/dev.c:11618)
[  602.735986][T13335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.735988][T13335]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  602.735991][T13335]  ? __kernel_text_address (kernel/extable.c:79)
[  602.735993][T13335]  ? write_profile (profile.c:?)
[  602.735996][T13335]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  602.735999][T13335]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  602.736001][T13335]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  602.736003][T13335]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  602.736004][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.736005][T13335]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  602.736009][T13335]  ? kasan_save_stack (mm/kasan/common.c:58)
[  602.736011][T13335]  ? kasan_save_stack (mm/kasan/common.c:57)
[  602.736012][T13335]  ? kasan_save_track (mm/kasan/common.c:78)
[  602.736013][T13335]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  602.736014][T13335]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  602.736015][T13335]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  602.736016][T13335]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  602.736017][T13335]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  602.736020][T13335]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  602.736022][T13335]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  602.736023][T13335]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  602.736026][T13335]  ? ____sys_sendmsg (net/socket.c:2713)
[  602.736027][T13335]  ? ___sys_sendmsg (net/socket.c:2767)
[  602.736029][T13335]  ? __sys_sendmsg (net/socket.c:2799)
[  602.736031][T13335]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  602.736033][T13335]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  602.736035][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.736037][T13335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.736038][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.736039][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.736040][T13335]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  602.736042][T13335]  ? __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)
[  602.736043][T13335]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  602.736044][T13335]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  602.736046][T13335]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  602.736047][T13335]  ? nla_get_range_signed (lib/nlattr.c:270)
[  602.736051][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.736052][T13335]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  602.736054][T13335]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  602.736056][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.736057][T13335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  602.736059][T13335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.736060][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.736062][T13335]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  602.736064][T13335]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  602.736065][T13335]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  602.736067][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.736068][T13335]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  602.736071][T13335]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  602.736074][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.736075][T13335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.736077][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.736078][T13335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  602.736079][T13335]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  602.736081][T13335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  602.736082][T13335]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  602.736084][T13335]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  602.736086][T13335]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  602.736088][T13335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  602.736089][T13335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.736091][T13335]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  602.736093][T13335]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  602.736096][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.736097][T13335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.736099][T13335]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  602.736101][T13335]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  602.736103][T13335]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  602.736105][T13335]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  602.736107][T13335]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  602.736109][T13335]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  602.736111][T13335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.736112][T13335]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  602.736115][T13335]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  602.736117][T13335]  ____sys_sendmsg (net/socket.c:2713)
[  602.736119][T13335]  ? copy_msghdr_from_user (net/socket.c:2650)
[  602.736121][T13335]  ? sock_write_iter (net/socket.c:1269)
[  602.736122][T13335]  ? move_addr_to_kernel (net/socket.c:258)
[  602.736124][T13335]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  602.736126][T13335]  ___sys_sendmsg (net/socket.c:2767)
[  602.736128][T13335]  ? copy_msghdr_from_user (net/socket.c:2619)
[  602.736133][T13335]  __sys_sendmsg (net/socket.c:2799)
[  602.736135][T13335]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  602.736138][T13335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.736139][T13335]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  602.736141][T13335]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  602.736143][T13335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  602.736145][T13335] RIP: 0033:0x7fa66fbd454e
[  602.736147][T13335] 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
[  602.736148][T13335] RSP: 002b:00007fff3d204ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  602.736152][T13335] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa66fbd454e
[  602.736154][T13335] RDX: 0000000000000000 RSI: 00007fff3d204f70 RDI: 0000000000000005
[  602.736155][T13335] RBP: 00007fff3d204ed0 R08: 0000000000000000 R09: 0000000000000000
[  602.736155][T13335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb4d
[  602.736156][T13335] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3d205630
| [  603.800111][T13385] softirqs last disabled at (0): 0x0
| [  603.800113][T13385] Preemption disabled at:
| [  603.800114][T13385] vprintk_emit (kernel/printk/printk.c:2471)
| [  603.800123][T13385] Tainted: [W]=WARN
[  603.800124][T13385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  603.800126][T13385] Call Trace:
[  603.800128][T13385]  <TASK>
[  603.800130][T13385]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  603.800135][T13385]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  603.800137][T13385]  __might_resched.cold (kernel/sched/core.c:9234)
[  603.800140][T13385]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  603.800143][T13385]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  603.800146][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800148][T13385]  __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))
[  603.800151][T13385]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  603.800154][T13385]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  603.800159][T13385]  ? 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)
[  603.800161][T13385]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  603.800164][T13385]  put_chars (drivers/char/virtio_console.c:1176)
[  603.800165][T13385]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  603.800167][T13385]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  603.800170][T13385]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  603.800174][T13385]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  603.800176][T13385]  ? vsnprintf (lib/vsprintf.c:2900)
[  603.800179][T13385]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  603.800181][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800182][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800184][T13385]  console_emit_next_record (kernel/printk/printk.c:3183)
[  603.800187][T13385]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  603.800189][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800190][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800191][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800192][T13385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.800194][T13385]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  603.800196][T13385]  console_flush_one_record (kernel/printk/printk.c:3268)
[  603.800198][T13385]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  603.800201][T13385]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  603.800203][T13385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.800205][T13385]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  603.800206][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800208][T13385]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  603.800209][T13385]  ? 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)
[  603.800211][T13385]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  603.800212][T13385]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  603.800214][T13385]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  603.800215][T13385]  vprintk_emit (kernel/printk/printk.c:2479)
[  603.800217][T13385]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  603.800219][T13385]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  603.800220][T13385]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  603.800223][T13385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.800225][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800226][T13385]  _printk (kernel/printk/printk.c:2504)
[  603.800229][T13385]  ? snapshot_read.cold (user.c:?)
[  603.800231][T13385]  ? br_multicast_flood (??:?)
[  603.800235][T13385]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  603.800237][T13385]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  603.800238][T13385]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  603.800240][T13385]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  603.800243][T13385]  br_init_port (net/bridge/br_stp_if.c:39)
[  603.800245][T13385]  new_nbp (net/bridge/br_if.c:449)
[  603.800247][T13385]  br_add_if (net/bridge/br_if.c:592)
[  603.800249][T13385]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  603.800253][T13385]  do_set_master (net/core/rtnetlink.c:3071)
[  603.800255][T13385]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  603.800256][T13385]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  603.800258][T13385]  ? __dev_get_by_name (net/core/dev.c:905)
[  603.800260][T13385]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  603.800263][T13385]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  603.800266][T13385]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  603.800268][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800269][T13385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  603.800271][T13385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.800272][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800274][T13385]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  603.800276][T13385]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  603.800278][T13385]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  603.800280][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800281][T13385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.800283][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800284][T13385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  603.800286][T13385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  603.800287][T13385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  603.800289][T13385]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  603.800290][T13385]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  603.800294][T13385]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  603.800297][T13385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  603.800298][T13385]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  603.800300][T13385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  603.800302][T13385]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  603.800305][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800306][T13385]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  603.800308][T13385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  603.800310][T13385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  603.800312][T13385]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  603.800315][T13385]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  603.800317][T13385]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  603.800319][T13385]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  603.800321][T13385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.800323][T13385]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  603.800326][T13385]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  603.800329][T13385]  ____sys_sendmsg (net/socket.c:2713)
[  603.800331][T13385]  ? copy_msghdr_from_user (net/socket.c:2650)
[  603.800333][T13385]  ? sock_write_iter (net/socket.c:1269)
[  603.800334][T13385]  ? move_addr_to_kernel (net/socket.c:258)
[  603.800336][T13385]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  603.800339][T13385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.800341][T13385]  ___sys_sendmsg (net/socket.c:2767)
[  603.800343][T13385]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  603.800344][T13385]  ? copy_msghdr_from_user (net/socket.c:2619)
[  603.800346][T13385]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  603.800350][T13385]  __sys_sendmsg (net/socket.c:2799)
[  603.800353][T13385]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  603.800355][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800356][T13385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.800358][T13385]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  603.800360][T13385]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  603.800362][T13385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  603.800364][T13385] RIP: 0033:0x7f2dd97e554e
[  603.800366][T13385] 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
[  603.800368][T13385] RSP: 002b:00007ffd78ac47a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  603.800371][T13385] RAX: ffffffffffffffda RBX: 00007ffd78ac4f68 RCX: 00007f2dd97e554e
[  603.800373][T13385] RDX: 0000000000000000 RSI: 00007ffd78ac4850 RDI: 0000000000000005
[  603.800374][T13385] RBP: 00007ffd78ac47b0 R08: 0000000000000000 R09: 0000000000000000
[  603.800375][T13385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb4e
[  603.800375][T13385] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd78ac4f20
| [  609.806168][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  609.806170][   T12] Preemption disabled at:
| [  609.806171][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  609.806181][   T12] Tainted: [W]=WARN
[  609.806182][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  609.806184][   T12] Workqueue: netns cleanup_net
[  609.806190][   T12] Call Trace:
[  609.806192][   T12]  <TASK>
[  609.806193][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  609.806199][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  609.806200][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  609.806204][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  609.806207][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  609.806210][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.806212][   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))
[  609.806215][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  609.806218][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  609.806223][   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)
[  609.806225][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  609.806227][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  609.806229][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  609.806231][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  609.806233][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  609.806238][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  609.806240][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  609.806242][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  609.806244][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.806245][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.806246][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  609.806249][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  609.806251][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.806252][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.806253][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.806255][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.806257][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  609.806259][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  609.806261][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  609.806264][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  609.806266][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.806267][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  609.806269][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.806270][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  609.806272][   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)
[  609.806273][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  609.806275][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  609.806277][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  609.806278][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  609.806280][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  609.806281][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  609.806283][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  609.806286][   T12]  ? kthread (kernel/kthread.c:436)
[  609.806288][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  609.806290][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  609.806293][   T12]  _printk (kernel/printk/printk.c:2504)
[  609.806296][   T12]  ? snapshot_read.cold (user.c:?)
[  609.806298][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  609.806302][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  609.806304][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  609.806306][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  609.806309][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.806310][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  609.806311][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  609.806314][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  609.806316][   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)
[  609.806317][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  609.806319][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  609.806322][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  609.806326][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  609.806328][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  609.806330][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  609.806332][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  609.806334][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  609.806337][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  609.806339][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  609.806340][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  609.806343][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.806345][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.806346][   T12]  process_one_work (kernel/workqueue.c:3387)
[  609.806349][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  609.806352][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  609.806354][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  609.806357][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  609.806359][   T12]  kthread (kernel/kthread.c:436)
[  609.806361][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  609.806363][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  609.806365][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  609.806366][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  609.806368][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  609.806371][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  609.806373][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  610.963023][T13519] softirqs last disabled at (0): 0x0
| [  610.963026][T13519] Preemption disabled at:
| [  610.963026][T13519] vprintk_emit (kernel/printk/printk.c:2471)
| [  610.963036][T13519] Tainted: [W]=WARN
[  610.963037][T13519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  610.963039][T13519] Call Trace:
[  610.963040][T13519]  <TASK>
[  610.963041][T13519]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  610.963047][T13519]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  610.963048][T13519]  __might_resched.cold (kernel/sched/core.c:9234)
[  610.963052][T13519]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  610.963054][T13519]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  610.963057][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963060][T13519]  __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))
[  610.963062][T13519]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  610.963065][T13519]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  610.963070][T13519]  ? 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)
[  610.963072][T13519]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  610.963074][T13519]  put_chars (drivers/char/virtio_console.c:1176)
[  610.963076][T13519]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  610.963078][T13519]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  610.963080][T13519]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  610.963085][T13519]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  610.963087][T13519]  ? vsnprintf (lib/vsprintf.c:2900)
[  610.963090][T13519]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  610.963091][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963092][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963094][T13519]  console_emit_next_record (kernel/printk/printk.c:3183)
[  610.963097][T13519]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  610.963099][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963100][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963101][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963102][T13519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.963104][T13519]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  610.963106][T13519]  console_flush_one_record (kernel/printk/printk.c:3268)
[  610.963108][T13519]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  610.963111][T13519]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  610.963113][T13519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.963115][T13519]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  610.963117][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963118][T13519]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  610.963119][T13519]  ? 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)
[  610.963121][T13519]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  610.963122][T13519]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  610.963124][T13519]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  610.963126][T13519]  vprintk_emit (kernel/printk/printk.c:2479)
[  610.963127][T13519]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  610.963128][T13519]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  610.963130][T13519]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  610.963133][T13519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.963134][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963136][T13519]  _printk (kernel/printk/printk.c:2504)
[  610.963139][T13519]  ? snapshot_read.cold (user.c:?)
[  610.963141][T13519]  ? br_multicast_flood (??:?)
[  610.963144][T13519]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  610.963147][T13519]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  610.963148][T13519]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  610.963150][T13519]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  610.963152][T13519]  br_init_port (net/bridge/br_stp_if.c:39)
[  610.963154][T13519]  new_nbp (net/bridge/br_if.c:449)
[  610.963156][T13519]  br_add_if (net/bridge/br_if.c:592)
[  610.963158][T13519]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  610.963162][T13519]  do_set_master (net/core/rtnetlink.c:3071)
[  610.963164][T13519]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  610.963166][T13519]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  610.963167][T13519]  ? __dev_get_by_name (net/core/dev.c:905)
[  610.963169][T13519]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  610.963173][T13519]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  610.963175][T13519]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  610.963177][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963179][T13519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  610.963180][T13519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.963181][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963183][T13519]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  610.963185][T13519]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  610.963187][T13519]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  610.963189][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963191][T13519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.963192][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963193][T13519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  610.963195][T13519]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  610.963197][T13519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  610.963198][T13519]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  610.963199][T13519]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  610.963203][T13519]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  610.963206][T13519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  610.963208][T13519]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  610.963209][T13519]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  610.963211][T13519]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  610.963214][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963215][T13519]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  610.963217][T13519]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  610.963219][T13519]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  610.963221][T13519]  ? next_uptodate_folio (mm/filemap.c:3747)
[  610.963224][T13519]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  610.963226][T13519]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  610.963228][T13519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.963230][T13519]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  610.963233][T13519]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  610.963236][T13519]  ____sys_sendmsg (net/socket.c:2713)
[  610.963237][T13519]  ? copy_msghdr_from_user (net/socket.c:2650)
[  610.963239][T13519]  ? sock_write_iter (net/socket.c:1269)
[  610.963240][T13519]  ? move_addr_to_kernel (net/socket.c:258)
[  610.963243][T13519]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  610.963245][T13519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.963247][T13519]  ___sys_sendmsg (net/socket.c:2767)
[  610.963248][T13519]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  610.963250][T13519]  ? copy_msghdr_from_user (net/socket.c:2619)
[  610.963252][T13519]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  610.963256][T13519]  __sys_sendmsg (net/socket.c:2799)
[  610.963258][T13519]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  610.963261][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963262][T13519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.963263][T13519]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  610.963266][T13519]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  610.963268][T13519]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  610.963270][T13519] RIP: 0033:0x7f23ed24354e
[  610.963272][T13519] 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
[  610.963274][T13519] RSP: 002b:00007ffc156e5f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  610.963278][T13519] RAX: ffffffffffffffda RBX: 00007ffc156e6708 RCX: 00007f23ed24354e
[  610.963279][T13519] RDX: 0000000000000000 RSI: 00007ffc156e5ff0 RDI: 0000000000000005
[  610.963280][T13519] RBP: 00007ffc156e5f50 R08: 0000000000000000 R09: 0000000000000000
[  610.963281][T13519] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb55
[  610.963282][T13519] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc156e66c0
| [  612.250849][T13587] softirqs last disabled at (0): 0x0
| [  612.250850][T13587] Preemption disabled at:
| [  612.250851][T13587] vprintk_emit (kernel/printk/printk.c:2471)
| [  612.250861][T13587] Tainted: [W]=WARN
[  612.250862][T13587] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  612.250863][T13587] Call Trace:
[  612.250865][T13587]  <TASK>
[  612.250867][T13587]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  612.250872][T13587]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  612.250874][T13587]  __might_resched.cold (kernel/sched/core.c:9234)
[  612.250877][T13587]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  612.250881][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.250884][T13587]  __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))
[  612.250887][T13587]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  612.250890][T13587]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  612.250894][T13587]  ? 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)
[  612.250896][T13587]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  612.250899][T13587]  put_chars (drivers/char/virtio_console.c:1176)
[  612.250900][T13587]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  612.250901][T13587]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  612.250904][T13587]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  612.250906][T13587]  ? pointer (lib/vsprintf.c:2577)
[  612.250909][T13587]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  612.250914][T13587]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  612.250916][T13587]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  612.250917][T13587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.250920][T13587]  console_emit_next_record (kernel/printk/printk.c:3183)
[  612.250923][T13587]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  612.250925][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.250926][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.250927][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.250928][T13587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.250930][T13587]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  612.250932][T13587]  console_flush_one_record (kernel/printk/printk.c:3268)
[  612.250934][T13587]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  612.250937][T13587]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  612.250939][T13587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.250940][T13587]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  612.250942][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.250943][T13587]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  612.250945][T13587]  ? 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)
[  612.250946][T13587]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  612.250947][T13587]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  612.250949][T13587]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  612.250951][T13587]  vprintk_emit (kernel/printk/printk.c:2479)
[  612.250952][T13587]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  612.250954][T13587]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  612.250956][T13587]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  612.250959][T13587]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  612.250962][T13587]  _printk (kernel/printk/printk.c:2504)
[  612.250965][T13587]  ? snapshot_read.cold (user.c:?)
[  612.250967][T13587]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  612.250969][T13587]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  612.250972][T13587]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  612.250974][T13587]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  612.250977][T13587]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  612.250980][T13587]  ? netdev_notice (net/core/dev.c:13194)
[  612.250982][T13587]  ? 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)
[  612.250983][T13587]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  612.250986][T13587]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  612.250987][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.250988][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.250989][T13587]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  612.250991][T13587]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  612.250992][T13587]  ? 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)
[  612.250994][T13587]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  612.250995][T13587]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  612.250996][T13587]  ? register_netdev (net/core/dev.c:11618)
[  612.250998][T13587]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  612.251000][T13587]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  612.251002][T13587]  ? __kernel_text_address (kernel/extable.c:79)
[  612.251004][T13587]  ? write_profile (profile.c:?)
[  612.251007][T13587]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  612.251011][T13587]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  612.251013][T13587]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  612.251014][T13587]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  612.251015][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.251016][T13587]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  612.251020][T13587]  ? kasan_save_stack (mm/kasan/common.c:58)
[  612.251022][T13587]  ? kasan_save_stack (mm/kasan/common.c:57)
[  612.251023][T13587]  ? kasan_save_track (mm/kasan/common.c:78)
[  612.251024][T13587]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  612.251025][T13587]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  612.251026][T13587]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  612.251027][T13587]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  612.251029][T13587]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  612.251031][T13587]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  612.251033][T13587]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  612.251034][T13587]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  612.251037][T13587]  ? ____sys_sendmsg (net/socket.c:2713)
[  612.251038][T13587]  ? ___sys_sendmsg (net/socket.c:2767)
[  612.251040][T13587]  ? __sys_sendmsg (net/socket.c:2799)
[  612.251041][T13587]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  612.251044][T13587]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  612.251046][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.251047][T13587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.251049][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.251050][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.251051][T13587]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  612.251052][T13587]  ? __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)
[  612.251053][T13587]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  612.251054][T13587]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  612.251056][T13587]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  612.251057][T13587]  ? nla_get_range_signed (lib/nlattr.c:270)
[  612.251060][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.251061][T13587]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  612.251063][T13587]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  612.251065][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.251067][T13587]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  612.251068][T13587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.251069][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.251071][T13587]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  612.251073][T13587]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  612.251074][T13587]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  612.251076][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.251077][T13587]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  612.251080][T13587]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  612.251082][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.251083][T13587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.251085][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.251086][T13587]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  612.251088][T13587]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  612.251089][T13587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  612.251091][T13587]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  612.251092][T13587]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  612.251095][T13587]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  612.251096][T13587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  612.251098][T13587]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  612.251099][T13587]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  612.251101][T13587]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  612.251104][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.251105][T13587]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  612.251107][T13587]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  612.251109][T13587]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  612.251111][T13587]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  612.251113][T13587]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  612.251115][T13587]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  612.251117][T13587]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  612.251118][T13587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.251120][T13587]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  612.251123][T13587]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  612.251125][T13587]  ____sys_sendmsg (net/socket.c:2713)
[  612.251126][T13587]  ? copy_msghdr_from_user (net/socket.c:2650)
[  612.251128][T13587]  ? sock_write_iter (net/socket.c:1269)
[  612.251129][T13587]  ? move_addr_to_kernel (net/socket.c:258)
[  612.251131][T13587]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  612.251133][T13587]  ___sys_sendmsg (net/socket.c:2767)
[  612.251135][T13587]  ? copy_msghdr_from_user (net/socket.c:2619)
[  612.251140][T13587]  __sys_sendmsg (net/socket.c:2799)
[  612.251142][T13587]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  612.251144][T13587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.251146][T13587]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  612.251148][T13587]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  612.251149][T13587]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  612.251151][T13587] RIP: 0033:0x7f8ce77c054e
[  612.251153][T13587] 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
[  612.251155][T13587] RSP: 002b:00007ffdf56b1440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  612.251158][T13587] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8ce77c054e
[  612.251160][T13587] RDX: 0000000000000000 RSI: 00007ffdf56b14f0 RDI: 0000000000000005
[  612.251160][T13587] RBP: 00007ffdf56b1450 R08: 0000000000000000 R09: 0000000000000000
[  612.251161][T13587] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb56
[  612.251162][T13587] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf56b1bb0
| [  613.315366][T13645] softirqs last disabled at (0): 0x0
| [  613.315368][T13645] Preemption disabled at:
| [  613.315369][T13645] vprintk_emit (kernel/printk/printk.c:2471)
| [  613.315379][T13645] Tainted: [W]=WARN
[  613.315380][T13645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  613.315382][T13645] Call Trace:
[  613.315384][T13645]  <TASK>
[  613.315385][T13645]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  613.315391][T13645]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  613.315392][T13645]  __might_resched.cold (kernel/sched/core.c:9234)
[  613.315396][T13645]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  613.315398][T13645]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  613.315401][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315404][T13645]  __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))
[  613.315407][T13645]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  613.315410][T13645]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  613.315415][T13645]  ? 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)
[  613.315417][T13645]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  613.315419][T13645]  put_chars (drivers/char/virtio_console.c:1176)
[  613.315421][T13645]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  613.315423][T13645]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  613.315426][T13645]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  613.315430][T13645]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  613.315432][T13645]  ? vsnprintf (lib/vsprintf.c:2900)
[  613.315435][T13645]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  613.315437][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315438][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315440][T13645]  console_emit_next_record (kernel/printk/printk.c:3183)
[  613.315443][T13645]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  613.315445][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315446][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315447][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315448][T13645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.315450][T13645]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  613.315452][T13645]  console_flush_one_record (kernel/printk/printk.c:3268)
[  613.315455][T13645]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  613.315457][T13645]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  613.315460][T13645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.315461][T13645]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  613.315463][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315464][T13645]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.315465][T13645]  ? 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)
[  613.315467][T13645]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  613.315468][T13645]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  613.315470][T13645]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  613.315472][T13645]  vprintk_emit (kernel/printk/printk.c:2479)
[  613.315474][T13645]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  613.315475][T13645]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  613.315477][T13645]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  613.315480][T13645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.315481][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315483][T13645]  _printk (kernel/printk/printk.c:2504)
[  613.315485][T13645]  ? snapshot_read.cold (user.c:?)
[  613.315487][T13645]  ? br_multicast_flood (??:?)
[  613.315491][T13645]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  613.315494][T13645]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  613.315495][T13645]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  613.315497][T13645]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  613.315500][T13645]  br_init_port (net/bridge/br_stp_if.c:39)
[  613.315501][T13645]  new_nbp (net/bridge/br_if.c:449)
[  613.315504][T13645]  br_add_if (net/bridge/br_if.c:592)
[  613.315505][T13645]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  613.315510][T13645]  do_set_master (net/core/rtnetlink.c:3071)
[  613.315511][T13645]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  613.315513][T13645]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  613.315514][T13645]  ? __dev_get_by_name (net/core/dev.c:905)
[  613.315516][T13645]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  613.315520][T13645]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  613.315523][T13645]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  613.315525][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315526][T13645]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.315527][T13645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.315529][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315530][T13645]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  613.315533][T13645]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  613.315535][T13645]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  613.315537][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315538][T13645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.315540][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315541][T13645]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.315542][T13645]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  613.315544][T13645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  613.315545][T13645]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  613.315547][T13645]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  613.315551][T13645]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  613.315554][T13645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  613.315556][T13645]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.315557][T13645]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  613.315559][T13645]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  613.315562][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315563][T13645]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.315565][T13645]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  613.315567][T13645]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  613.315569][T13645]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  613.315572][T13645]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  613.315575][T13645]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  613.315577][T13645]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  613.315579][T13645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.315581][T13645]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  613.315584][T13645]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  613.315587][T13645]  ____sys_sendmsg (net/socket.c:2713)
[  613.315589][T13645]  ? copy_msghdr_from_user (net/socket.c:2650)
[  613.315591][T13645]  ? sock_write_iter (net/socket.c:1269)
[  613.315592][T13645]  ? move_addr_to_kernel (net/socket.c:258)
[  613.315594][T13645]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  613.315597][T13645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.315599][T13645]  ___sys_sendmsg (net/socket.c:2767)
[  613.315600][T13645]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  613.315602][T13645]  ? copy_msghdr_from_user (net/socket.c:2619)
[  613.315604][T13645]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  613.315608][T13645]  __sys_sendmsg (net/socket.c:2799)
[  613.315610][T13645]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  613.315613][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315614][T13645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.315615][T13645]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  613.315618][T13645]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  613.315620][T13645]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  613.315622][T13645] RIP: 0033:0x7f26c2b4e54e
[  613.315624][T13645] 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
[  613.315626][T13645] RSP: 002b:00007ffe5e247490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  613.315629][T13645] RAX: ffffffffffffffda RBX: 00007ffe5e247c58 RCX: 00007f26c2b4e54e
[  613.315631][T13645] RDX: 0000000000000000 RSI: 00007ffe5e247540 RDI: 0000000000000005
[  613.315632][T13645] RBP: 00007ffe5e2474a0 R08: 0000000000000000 R09: 0000000000000000
[  613.315633][T13645] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb57
[  613.315633][T13645] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5e247c10
| [  619.299532][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  619.299534][   T12] Preemption disabled at:
| [  619.299535][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  619.299546][   T12] Tainted: [W]=WARN
[  619.299547][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  619.299549][   T12] Workqueue: netns cleanup_net
[  619.299554][   T12] Call Trace:
[  619.299556][   T12]  <TASK>
[  619.299557][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  619.299563][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  619.299564][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  619.299568][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  619.299571][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  619.299574][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.299576][   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))
[  619.299579][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  619.299582][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  619.299587][   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)
[  619.299588][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  619.299591][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  619.299593][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  619.299594][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  619.299597][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  619.299602][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  619.299603][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  619.299606][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  619.299607][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.299608][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.299610][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  619.299613][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  619.299615][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.299616][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.299617][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.299618][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.299620][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  619.299622][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  619.299624][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  619.299627][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  619.299629][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.299631][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  619.299632][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.299633][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  619.299635][   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)
[  619.299636][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  619.299638][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  619.299640][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  619.299641][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  619.299643][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  619.299648][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  619.299650][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  619.299653][   T12]  ? kthread (kernel/kthread.c:436)
[  619.299655][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  619.299657][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  619.299660][   T12]  _printk (kernel/printk/printk.c:2504)
[  619.299663][   T12]  ? snapshot_read.cold (user.c:?)
[  619.299665][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  619.299668][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  619.299671][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  619.299673][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  619.299682][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.299683][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  619.299685][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  619.299688][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  619.299690][   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)
[  619.299691][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  619.299693][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  619.299696][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  619.299700][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  619.299702][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  619.299705][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  619.299707][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  619.299709][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  619.299713][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  619.299715][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  619.299717][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  619.299719][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.299721][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.299723][   T12]  process_one_work (kernel/workqueue.c:3387)
[  619.299726][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  619.299728][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  619.299731][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  619.299734][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  619.299736][   T12]  kthread (kernel/kthread.c:436)
[  619.299737][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  619.299739][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  619.299741][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  619.299743][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  619.299745][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  619.299747][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  619.299749][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  620.470887][T13780] softirqs last disabled at (0): 0x0
| [  620.470889][T13780] Preemption disabled at:
| [  620.470890][T13780] vprintk_emit (kernel/printk/printk.c:2471)
| [  620.470899][T13780] Tainted: [W]=WARN
[  620.470900][T13780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  620.470902][T13780] Call Trace:
[  620.470903][T13780]  <TASK>
[  620.470905][T13780]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  620.470910][T13780]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  620.470911][T13780]  __might_resched.cold (kernel/sched/core.c:9234)
[  620.470915][T13780]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  620.470918][T13780]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  620.470921][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.470923][T13780]  __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))
[  620.470926][T13780]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  620.470929][T13780]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  620.470934][T13780]  ? 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)
[  620.470936][T13780]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  620.470939][T13780]  put_chars (drivers/char/virtio_console.c:1176)
[  620.470940][T13780]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  620.470942][T13780]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  620.470945][T13780]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  620.470949][T13780]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  620.470951][T13780]  ? vsnprintf (lib/vsprintf.c:2900)
[  620.470954][T13780]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  620.470956][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.470957][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.470959][T13780]  console_emit_next_record (kernel/printk/printk.c:3183)
[  620.470962][T13780]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  620.470964][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.470965][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.470966][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.470967][T13780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.470969][T13780]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  620.470971][T13780]  console_flush_one_record (kernel/printk/printk.c:3268)
[  620.470973][T13780]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  620.470976][T13780]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  620.470978][T13780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.470979][T13780]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  620.470981][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.470982][T13780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  620.470984][T13780]  ? 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)
[  620.470985][T13780]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  620.470986][T13780]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  620.470988][T13780]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  620.470990][T13780]  vprintk_emit (kernel/printk/printk.c:2479)
[  620.470992][T13780]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  620.470993][T13780]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  620.470994][T13780]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  620.470997][T13780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.470999][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.471000][T13780]  _printk (kernel/printk/printk.c:2504)
[  620.471003][T13780]  ? snapshot_read.cold (user.c:?)
[  620.471005][T13780]  ? br_multicast_flood (??:?)
[  620.471009][T13780]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  620.471012][T13780]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  620.471013][T13780]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  620.471015][T13780]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  620.471018][T13780]  br_init_port (net/bridge/br_stp_if.c:39)
[  620.471019][T13780]  new_nbp (net/bridge/br_if.c:449)
[  620.471022][T13780]  br_add_if (net/bridge/br_if.c:592)
[  620.471024][T13780]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  620.471028][T13780]  do_set_master (net/core/rtnetlink.c:3071)
[  620.471029][T13780]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  620.471031][T13780]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  620.471032][T13780]  ? __dev_get_by_name (net/core/dev.c:905)
[  620.471034][T13780]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  620.471038][T13780]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  620.471041][T13780]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  620.471043][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.471044][T13780]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  620.471045][T13780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.471047][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.471048][T13780]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  620.471051][T13780]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  620.471053][T13780]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  620.471055][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.471056][T13780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.471058][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.471059][T13780]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  620.471060][T13780]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  620.471062][T13780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  620.471064][T13780]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  620.471065][T13780]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  620.471069][T13780]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  620.471072][T13780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  620.471073][T13780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  620.471075][T13780]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  620.471077][T13780]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  620.471080][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.471081][T13780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  620.471083][T13780]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  620.471085][T13780]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  620.471087][T13780]  ? next_uptodate_folio (mm/filemap.c:3747)
[  620.471090][T13780]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  620.471092][T13780]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  620.471094][T13780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.471096][T13780]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  620.471100][T13780]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  620.471102][T13780]  ____sys_sendmsg (net/socket.c:2713)
[  620.471104][T13780]  ? copy_msghdr_from_user (net/socket.c:2650)
[  620.471106][T13780]  ? sock_write_iter (net/socket.c:1269)
[  620.471108][T13780]  ? move_addr_to_kernel (net/socket.c:258)
[  620.471110][T13780]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  620.471112][T13780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.471114][T13780]  ___sys_sendmsg (net/socket.c:2767)
[  620.471116][T13780]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  620.471118][T13780]  ? copy_msghdr_from_user (net/socket.c:2619)
[  620.471119][T13780]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  620.471124][T13780]  __sys_sendmsg (net/socket.c:2799)
[  620.471126][T13780]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  620.471128][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.471130][T13780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.471131][T13780]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  620.471134][T13780]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  620.471136][T13780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  620.471137][T13780] RIP: 0033:0x7f1dff8fa54e
[  620.471139][T13780] 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
[  620.471141][T13780] RSP: 002b:00007ffd19a76f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  620.471145][T13780] RAX: ffffffffffffffda RBX: 00007ffd19a77748 RCX: 00007f1dff8fa54e
[  620.471147][T13780] RDX: 0000000000000000 RSI: 00007ffd19a77030 RDI: 0000000000000005
[  620.471148][T13780] RBP: 00007ffd19a76f90 R08: 0000000000000000 R09: 0000000000000000
[  620.471148][T13780] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb5e
[  620.471149][T13780] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd19a77700
| [  621.734742][T13849] softirqs last disabled at (0): 0x0
| [  621.734744][T13849] Preemption disabled at:
| [  621.734744][T13849] vprintk_emit (kernel/printk/printk.c:2471)
| [  621.734754][T13849] Tainted: [W]=WARN
[  621.734755][T13849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  621.734757][T13849] Call Trace:
[  621.734759][T13849]  <TASK>
[  621.734760][T13849]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  621.734765][T13849]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  621.734767][T13849]  __might_resched.cold (kernel/sched/core.c:9234)
[  621.734771][T13849]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  621.734774][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734777][T13849]  __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))
[  621.734780][T13849]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  621.734783][T13849]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  621.734788][T13849]  ? 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)
[  621.734789][T13849]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  621.734792][T13849]  put_chars (drivers/char/virtio_console.c:1176)
[  621.734794][T13849]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  621.734795][T13849]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  621.734797][T13849]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  621.734799][T13849]  ? pointer (lib/vsprintf.c:2577)
[  621.734802][T13849]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  621.734807][T13849]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  621.734808][T13849]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  621.734810][T13849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.734813][T13849]  console_emit_next_record (kernel/printk/printk.c:3183)
[  621.734816][T13849]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  621.734818][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734819][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734820][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734821][T13849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.734823][T13849]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  621.734825][T13849]  console_flush_one_record (kernel/printk/printk.c:3268)
[  621.734827][T13849]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  621.734830][T13849]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  621.734832][T13849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.734833][T13849]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  621.734835][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734836][T13849]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  621.734838][T13849]  ? 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)
[  621.734839][T13849]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  621.734841][T13849]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  621.734842][T13849]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  621.734844][T13849]  vprintk_emit (kernel/printk/printk.c:2479)
[  621.734846][T13849]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  621.734847][T13849]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  621.734849][T13849]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  621.734852][T13849]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  621.734855][T13849]  _printk (kernel/printk/printk.c:2504)
[  621.734858][T13849]  ? snapshot_read.cold (user.c:?)
[  621.734860][T13849]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  621.734862][T13849]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  621.734865][T13849]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  621.734867][T13849]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  621.734870][T13849]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  621.734873][T13849]  ? netdev_notice (net/core/dev.c:13194)
[  621.734875][T13849]  ? 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)
[  621.734876][T13849]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  621.734879][T13849]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  621.734880][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734881][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734883][T13849]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  621.734884][T13849]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  621.734886][T13849]  ? 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)
[  621.734887][T13849]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  621.734888][T13849]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  621.734890][T13849]  ? register_netdev (net/core/dev.c:11618)
[  621.734891][T13849]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  621.734893][T13849]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  621.734896][T13849]  ? __kernel_text_address (kernel/extable.c:79)
[  621.734898][T13849]  ? write_profile (profile.c:?)
[  621.734901][T13849]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  621.734904][T13849]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  621.734906][T13849]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  621.734908][T13849]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  621.734909][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734910][T13849]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  621.734914][T13849]  ? kasan_save_stack (mm/kasan/common.c:58)
[  621.734915][T13849]  ? kasan_save_stack (mm/kasan/common.c:57)
[  621.734916][T13849]  ? kasan_save_track (mm/kasan/common.c:78)
[  621.734918][T13849]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  621.734919][T13849]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  621.734920][T13849]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  621.734921][T13849]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  621.734922][T13849]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  621.734925][T13849]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  621.734927][T13849]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  621.734928][T13849]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  621.734931][T13849]  ? ____sys_sendmsg (net/socket.c:2713)
[  621.734932][T13849]  ? ___sys_sendmsg (net/socket.c:2767)
[  621.734934][T13849]  ? __sys_sendmsg (net/socket.c:2799)
[  621.734935][T13849]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  621.734938][T13849]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  621.734940][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734941][T13849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.734943][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734944][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734945][T13849]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  621.734946][T13849]  ? __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)
[  621.734948][T13849]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  621.734949][T13849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  621.734951][T13849]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  621.734952][T13849]  ? nla_get_range_signed (lib/nlattr.c:270)
[  621.734955][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734956][T13849]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  621.734958][T13849]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  621.734960][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734961][T13849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  621.734962][T13849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.734964][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734965][T13849]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  621.734967][T13849]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  621.734969][T13849]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  621.734970][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734971][T13849]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  621.734975][T13849]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  621.734977][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734978][T13849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.734980][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.734981][T13849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  621.734982][T13849]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  621.734984][T13849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  621.734985][T13849]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  621.734987][T13849]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  621.734989][T13849]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  621.734991][T13849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  621.734992][T13849]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  621.734994][T13849]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  621.734995][T13849]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  621.734999][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.735000][T13849]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  621.735002][T13849]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  621.735004][T13849]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  621.735006][T13849]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  621.735008][T13849]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  621.735010][T13849]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  621.735011][T13849]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  621.735013][T13849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.735015][T13849]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  621.735018][T13849]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  621.735020][T13849]  ____sys_sendmsg (net/socket.c:2713)
[  621.735021][T13849]  ? copy_msghdr_from_user (net/socket.c:2650)
[  621.735023][T13849]  ? sock_write_iter (net/socket.c:1269)
[  621.735024][T13849]  ? move_addr_to_kernel (net/socket.c:258)
[  621.735026][T13849]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  621.735029][T13849]  ___sys_sendmsg (net/socket.c:2767)
[  621.735030][T13849]  ? copy_msghdr_from_user (net/socket.c:2619)
[  621.735035][T13849]  __sys_sendmsg (net/socket.c:2799)
[  621.735037][T13849]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  621.735040][T13849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.735041][T13849]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  621.735043][T13849]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  621.735045][T13849]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  621.735047][T13849] RIP: 0033:0x7f374df2654e
[  621.735048][T13849] 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
[  621.735050][T13849] RSP: 002b:00007ffd04c42840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  621.735054][T13849] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f374df2654e
[  621.735055][T13849] RDX: 0000000000000000 RSI: 00007ffd04c428f0 RDI: 0000000000000005
[  621.735056][T13849] RBP: 00007ffd04c42850 R08: 0000000000000000 R09: 0000000000000000
[  621.735057][T13849] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb60
[  621.735058][T13849] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd04c42fb0
| [  622.778938][T13899] softirqs last disabled at (0): 0x0
| [  622.778940][T13899] Preemption disabled at:
| [  622.778941][T13899] vprintk_emit (kernel/printk/printk.c:2471)
| [  622.778950][T13899] Tainted: [W]=WARN
[  622.778952][T13899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  622.778953][T13899] Call Trace:
[  622.778955][T13899]  <TASK>
[  622.778956][T13899]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  622.778961][T13899]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  622.778963][T13899]  __might_resched.cold (kernel/sched/core.c:9234)
[  622.778967][T13899]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  622.778969][T13899]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  622.778972][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.778975][T13899]  __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))
[  622.778978][T13899]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  622.778981][T13899]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  622.778986][T13899]  ? 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)
[  622.778987][T13899]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  622.778990][T13899]  put_chars (drivers/char/virtio_console.c:1176)
[  622.778992][T13899]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  622.778993][T13899]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  622.778996][T13899]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  622.779001][T13899]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  622.779002][T13899]  ? vsnprintf (lib/vsprintf.c:2900)
[  622.779006][T13899]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  622.779007][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779008][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779010][T13899]  console_emit_next_record (kernel/printk/printk.c:3183)
[  622.779013][T13899]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  622.779015][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779016][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779017][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779018][T13899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.779021][T13899]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  622.779022][T13899]  console_flush_one_record (kernel/printk/printk.c:3268)
[  622.779025][T13899]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  622.779027][T13899]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  622.779029][T13899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.779031][T13899]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  622.779033][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779034][T13899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  622.779035][T13899]  ? 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)
[  622.779037][T13899]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  622.779038][T13899]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  622.779040][T13899]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  622.779041][T13899]  vprintk_emit (kernel/printk/printk.c:2479)
[  622.779043][T13899]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  622.779044][T13899]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  622.779046][T13899]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  622.779049][T13899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.779051][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779052][T13899]  _printk (kernel/printk/printk.c:2504)
[  622.779055][T13899]  ? snapshot_read.cold (user.c:?)
[  622.779057][T13899]  ? br_multicast_flood (??:?)
[  622.779060][T13899]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  622.779063][T13899]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  622.779064][T13899]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  622.779066][T13899]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  622.779069][T13899]  br_init_port (net/bridge/br_stp_if.c:39)
[  622.779071][T13899]  new_nbp (net/bridge/br_if.c:449)
[  622.779073][T13899]  br_add_if (net/bridge/br_if.c:592)
[  622.779075][T13899]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  622.779079][T13899]  do_set_master (net/core/rtnetlink.c:3071)
[  622.779080][T13899]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  622.779082][T13899]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  622.779084][T13899]  ? __dev_get_by_name (net/core/dev.c:905)
[  622.779085][T13899]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  622.779089][T13899]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  622.779092][T13899]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  622.779094][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779095][T13899]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  622.779096][T13899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.779098][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779099][T13899]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  622.779102][T13899]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  622.779104][T13899]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  622.779106][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779107][T13899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.779109][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779110][T13899]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  622.779112][T13899]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  622.779113][T13899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  622.779115][T13899]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  622.779116][T13899]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  622.779120][T13899]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  622.779123][T13899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  622.779124][T13899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  622.779126][T13899]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  622.779127][T13899]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  622.779130][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779132][T13899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  622.779134][T13899]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  622.779136][T13899]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  622.779138][T13899]  ? next_uptodate_folio (mm/filemap.c:3747)
[  622.779141][T13899]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  622.779143][T13899]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  622.779145][T13899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.779146][T13899]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  622.779150][T13899]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  622.779153][T13899]  ____sys_sendmsg (net/socket.c:2713)
[  622.779154][T13899]  ? copy_msghdr_from_user (net/socket.c:2650)
[  622.779156][T13899]  ? sock_write_iter (net/socket.c:1269)
[  622.779157][T13899]  ? move_addr_to_kernel (net/socket.c:258)
[  622.779160][T13899]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  622.779162][T13899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.779164][T13899]  ___sys_sendmsg (net/socket.c:2767)
[  622.779166][T13899]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  622.779167][T13899]  ? copy_msghdr_from_user (net/socket.c:2619)
[  622.779169][T13899]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  622.779174][T13899]  __sys_sendmsg (net/socket.c:2799)
[  622.779175][T13899]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  622.779178][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779179][T13899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.779181][T13899]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  622.779183][T13899]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  622.779185][T13899]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  622.779187][T13899] RIP: 0033:0x7f64a224354e
[  622.779189][T13899] 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
[  622.779191][T13899] RSP: 002b:00007ffeb0ae3ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  622.779194][T13899] RAX: ffffffffffffffda RBX: 00007ffeb0ae44a8 RCX: 00007f64a224354e
[  622.779196][T13899] RDX: 0000000000000000 RSI: 00007ffeb0ae3d90 RDI: 0000000000000005
[  622.779197][T13899] RBP: 00007ffeb0ae3cf0 R08: 0000000000000000 R09: 0000000000000000
[  622.779198][T13899] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb61
[  622.779198][T13899] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb0ae4460
| [  628.759202][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  628.759205][   T12] Preemption disabled at:
| [  628.759205][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  628.759215][   T12] Tainted: [W]=WARN
[  628.759216][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  628.759218][   T12] Workqueue: netns cleanup_net
[  628.759224][   T12] Call Trace:
[  628.759226][   T12]  <TASK>
[  628.759228][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  628.759233][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  628.759234][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  628.759238][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  628.759241][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  628.759244][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.759247][   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))
[  628.759250][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.759253][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  628.759257][   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)
[  628.759259][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  628.759262][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  628.759263][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  628.759265][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  628.759268][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  628.759272][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  628.759274][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  628.759276][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.759278][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.759279][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.759281][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  628.759283][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  628.759285][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.759286][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.759288][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.759289][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.759291][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  628.759293][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  628.759295][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  628.759298][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  628.759300][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.759301][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  628.759303][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.759304][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.759306][   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)
[  628.759307][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  628.759309][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  628.759310][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  628.759312][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  628.759314][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  628.759315][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  628.759316][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  628.759319][   T12]  ? kthread (kernel/kthread.c:436)
[  628.759321][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  628.759324][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  628.759326][   T12]  _printk (kernel/printk/printk.c:2504)
[  628.759329][   T12]  ? snapshot_read.cold (user.c:?)
[  628.759331][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  628.759335][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  628.759337][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  628.759339][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  628.759341][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.759342][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  628.759344][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  628.759347][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  628.759348][   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)
[  628.759350][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  628.759352][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  628.759355][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  628.759359][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  628.759361][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  628.759363][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  628.759365][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  628.759367][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  628.759370][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  628.759372][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  628.759373][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  628.759376][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.759378][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.759379][   T12]  process_one_work (kernel/workqueue.c:3387)
[  628.759382][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  628.759385][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.759388][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  628.759390][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  628.759392][   T12]  kthread (kernel/kthread.c:436)
[  628.759394][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  628.759396][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  628.759398][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  628.759399][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  628.759401][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  628.759404][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  628.759406][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  629.925420][T14033] softirqs last disabled at (0): 0x0
| [  629.925421][T14033] Preemption disabled at:
| [  629.925422][T14033] vprintk_emit (kernel/printk/printk.c:2471)
| [  629.925432][T14033] Tainted: [W]=WARN
[  629.925433][T14033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  629.925435][T14033] Call Trace:
[  629.925437][T14033]  <TASK>
[  629.925438][T14033]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  629.925444][T14033]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  629.925445][T14033]  __might_resched.cold (kernel/sched/core.c:9234)
[  629.925449][T14033]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  629.925451][T14033]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  629.925454][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925457][T14033]  __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))
[  629.925460][T14033]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  629.925463][T14033]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  629.925468][T14033]  ? 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)
[  629.925470][T14033]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  629.925472][T14033]  put_chars (drivers/char/virtio_console.c:1176)
[  629.925474][T14033]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  629.925476][T14033]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  629.925478][T14033]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  629.925483][T14033]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  629.925485][T14033]  ? vsnprintf (lib/vsprintf.c:2900)
[  629.925488][T14033]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  629.925490][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925491][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925492][T14033]  console_emit_next_record (kernel/printk/printk.c:3183)
[  629.925495][T14033]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  629.925497][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925498][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925499][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925500][T14033]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.925503][T14033]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  629.925505][T14033]  console_flush_one_record (kernel/printk/printk.c:3268)
[  629.925507][T14033]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  629.925510][T14033]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  629.925512][T14033]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.925513][T14033]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  629.925515][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925516][T14033]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  629.925518][T14033]  ? 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)
[  629.925519][T14033]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  629.925521][T14033]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  629.925523][T14033]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  629.925524][T14033]  vprintk_emit (kernel/printk/printk.c:2479)
[  629.925526][T14033]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  629.925527][T14033]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  629.925529][T14033]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  629.925531][T14033]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.925533][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925534][T14033]  _printk (kernel/printk/printk.c:2504)
[  629.925538][T14033]  ? snapshot_read.cold (user.c:?)
[  629.925540][T14033]  ? br_multicast_flood (??:?)
[  629.925543][T14033]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  629.925546][T14033]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  629.925547][T14033]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  629.925548][T14033]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  629.925551][T14033]  br_init_port (net/bridge/br_stp_if.c:39)
[  629.925553][T14033]  new_nbp (net/bridge/br_if.c:449)
[  629.925555][T14033]  br_add_if (net/bridge/br_if.c:592)
[  629.925557][T14033]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  629.925561][T14033]  do_set_master (net/core/rtnetlink.c:3071)
[  629.925563][T14033]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  629.925565][T14033]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  629.925566][T14033]  ? __dev_get_by_name (net/core/dev.c:905)
[  629.925568][T14033]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  629.925572][T14033]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  629.925574][T14033]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  629.925576][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925578][T14033]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  629.925579][T14033]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.925581][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925582][T14033]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  629.925585][T14033]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  629.925587][T14033]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  629.925589][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925590][T14033]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.925592][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925593][T14033]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  629.925594][T14033]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  629.925596][T14033]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  629.925597][T14033]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  629.925599][T14033]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  629.925602][T14033]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  629.925606][T14033]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  629.925607][T14033]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  629.925608][T14033]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  629.925610][T14033]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  629.925613][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925614][T14033]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  629.925616][T14033]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  629.925618][T14033]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  629.925620][T14033]  ? next_uptodate_folio (mm/filemap.c:3747)
[  629.925623][T14033]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  629.925625][T14033]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  629.925627][T14033]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.925629][T14033]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  629.925632][T14033]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  629.925635][T14033]  ____sys_sendmsg (net/socket.c:2713)
[  629.925637][T14033]  ? copy_msghdr_from_user (net/socket.c:2650)
[  629.925639][T14033]  ? sock_write_iter (net/socket.c:1269)
[  629.925640][T14033]  ? move_addr_to_kernel (net/socket.c:258)
[  629.925642][T14033]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  629.925645][T14033]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.925649][T14033]  ___sys_sendmsg (net/socket.c:2767)
[  629.925650][T14033]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  629.925652][T14033]  ? copy_msghdr_from_user (net/socket.c:2619)
[  629.925654][T14033]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  629.925659][T14033]  __sys_sendmsg (net/socket.c:2799)
[  629.925661][T14033]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  629.925663][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925665][T14033]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.925666][T14033]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  629.925669][T14033]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  629.925671][T14033]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  629.925673][T14033] RIP: 0033:0x7fc818c2a54e
[  629.925675][T14033] 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
[  629.925677][T14033] RSP: 002b:00007ffd0ed04650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  629.925680][T14033] RAX: ffffffffffffffda RBX: 00007ffd0ed04e18 RCX: 00007fc818c2a54e
[  629.925681][T14033] RDX: 0000000000000000 RSI: 00007ffd0ed04700 RDI: 0000000000000005
[  629.925682][T14033] RBP: 00007ffd0ed04660 R08: 0000000000000000 R09: 0000000000000000
[  629.925683][T14033] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb68
[  629.925684][T14033] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0ed04dd0
| [  631.243564][T14102] softirqs last disabled at (0): 0x0
| [  631.243565][T14102] Preemption disabled at:
| [  631.243566][T14102] vprintk_emit (kernel/printk/printk.c:2471)
| [  631.243576][T14102] Tainted: [W]=WARN
[  631.243577][T14102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  631.243579][T14102] Call Trace:
[  631.243580][T14102]  <TASK>
[  631.243582][T14102]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  631.243587][T14102]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  631.243588][T14102]  __might_resched.cold (kernel/sched/core.c:9234)
[  631.243592][T14102]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  631.243596][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243598][T14102]  __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))
[  631.243602][T14102]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  631.243605][T14102]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.243609][T14102]  ? 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)
[  631.243611][T14102]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.243614][T14102]  put_chars (drivers/char/virtio_console.c:1176)
[  631.243615][T14102]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  631.243616][T14102]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  631.243619][T14102]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  631.243621][T14102]  ? pointer (lib/vsprintf.c:2577)
[  631.243624][T14102]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  631.243629][T14102]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  631.243631][T14102]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  631.243633][T14102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.243635][T14102]  console_emit_next_record (kernel/printk/printk.c:3183)
[  631.243638][T14102]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  631.243640][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243641][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243642][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243643][T14102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.243648][T14102]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  631.243650][T14102]  console_flush_one_record (kernel/printk/printk.c:3268)
[  631.243652][T14102]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  631.243655][T14102]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  631.243657][T14102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.243658][T14102]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  631.243660][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243661][T14102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  631.243663][T14102]  ? 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)
[  631.243664][T14102]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  631.243666][T14102]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  631.243668][T14102]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  631.243669][T14102]  vprintk_emit (kernel/printk/printk.c:2479)
[  631.243671][T14102]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  631.243672][T14102]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  631.243674][T14102]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  631.243677][T14102]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  631.243680][T14102]  _printk (kernel/printk/printk.c:2504)
[  631.243683][T14102]  ? snapshot_read.cold (user.c:?)
[  631.243685][T14102]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  631.243687][T14102]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  631.243690][T14102]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  631.243692][T14102]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.243695][T14102]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  631.243697][T14102]  ? netdev_notice (net/core/dev.c:13194)
[  631.243699][T14102]  ? 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)
[  631.243701][T14102]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  631.243704][T14102]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  631.243705][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243706][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243707][T14102]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  631.243709][T14102]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  631.243711][T14102]  ? 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)
[  631.243712][T14102]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.243714][T14102]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  631.243719][T14102]  ? register_netdev (net/core/dev.c:11618)
[  631.243721][T14102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  631.243723][T14102]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  631.243725][T14102]  ? __kernel_text_address (kernel/extable.c:79)
[  631.243727][T14102]  ? write_profile (profile.c:?)
[  631.243731][T14102]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  631.243734][T14102]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.243736][T14102]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  631.243737][T14102]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  631.243739][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243740][T14102]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  631.243743][T14102]  ? kasan_save_stack (mm/kasan/common.c:58)
[  631.243745][T14102]  ? kasan_save_stack (mm/kasan/common.c:57)
[  631.243746][T14102]  ? kasan_save_track (mm/kasan/common.c:78)
[  631.243747][T14102]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  631.243749][T14102]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  631.243750][T14102]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  631.243751][T14102]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  631.243752][T14102]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  631.243755][T14102]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  631.243757][T14102]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  631.243758][T14102]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  631.243761][T14102]  ? ____sys_sendmsg (net/socket.c:2713)
[  631.243762][T14102]  ? ___sys_sendmsg (net/socket.c:2767)
[  631.243764][T14102]  ? __sys_sendmsg (net/socket.c:2799)
[  631.243765][T14102]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  631.243768][T14102]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  631.243770][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243771][T14102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.243773][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243774][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243775][T14102]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  631.243776][T14102]  ? __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)
[  631.243777][T14102]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  631.243779][T14102]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  631.243780][T14102]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  631.243781][T14102]  ? nla_get_range_signed (lib/nlattr.c:270)
[  631.243784][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243785][T14102]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  631.243788][T14102]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  631.243789][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243791][T14102]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.243792][T14102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.243793][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243795][T14102]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  631.243797][T14102]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  631.243798][T14102]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  631.243800][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243801][T14102]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  631.243804][T14102]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  631.243807][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243808][T14102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.243809][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243810][T14102]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.243812][T14102]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  631.243814][T14102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.243815][T14102]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  631.243816][T14102]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  631.243819][T14102]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  631.243820][T14102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.243822][T14102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  631.243823][T14102]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  631.243825][T14102]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  631.243828][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243829][T14102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  631.243831][T14102]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  631.243833][T14102]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  631.243835][T14102]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  631.243837][T14102]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  631.243840][T14102]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  631.243841][T14102]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  631.243843][T14102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.243844][T14102]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  631.243847][T14102]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  631.243849][T14102]  ____sys_sendmsg (net/socket.c:2713)
[  631.243851][T14102]  ? copy_msghdr_from_user (net/socket.c:2650)
[  631.243853][T14102]  ? sock_write_iter (net/socket.c:1269)
[  631.243854][T14102]  ? move_addr_to_kernel (net/socket.c:258)
[  631.243856][T14102]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  631.243858][T14102]  ___sys_sendmsg (net/socket.c:2767)
[  631.243860][T14102]  ? copy_msghdr_from_user (net/socket.c:2619)
[  631.243865][T14102]  __sys_sendmsg (net/socket.c:2799)
[  631.243867][T14102]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  631.243869][T14102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.243871][T14102]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  631.243873][T14102]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  631.243875][T14102]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  631.243876][T14102] RIP: 0033:0x7f3448d6354e
[  631.243878][T14102] 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
[  631.243880][T14102] RSP: 002b:00007ffc6c4e6200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  631.243883][T14102] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3448d6354e
[  631.243885][T14102] RDX: 0000000000000000 RSI: 00007ffc6c4e62b0 RDI: 0000000000000005
[  631.243886][T14102] RBP: 00007ffc6c4e6210 R08: 0000000000000000 R09: 0000000000000000
[  631.243887][T14102] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb69
[  631.243887][T14102] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6c4e6970
| [  632.285033][T14152] softirqs last disabled at (0): 0x0
| [  632.285035][T14152] Preemption disabled at:
| [  632.285035][T14152] vprintk_emit (kernel/printk/printk.c:2471)
| [  632.285046][T14152] Tainted: [W]=WARN
[  632.285047][T14152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  632.285049][T14152] Call Trace:
[  632.285050][T14152]  <TASK>
[  632.285051][T14152]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  632.285057][T14152]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  632.285058][T14152]  __might_resched.cold (kernel/sched/core.c:9234)
[  632.285062][T14152]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  632.285064][T14152]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  632.285067][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285070][T14152]  __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))
[  632.285073][T14152]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  632.285076][T14152]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  632.285081][T14152]  ? 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)
[  632.285083][T14152]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  632.285085][T14152]  put_chars (drivers/char/virtio_console.c:1176)
[  632.285087][T14152]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  632.285089][T14152]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  632.285091][T14152]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  632.285096][T14152]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  632.285098][T14152]  ? vsnprintf (lib/vsprintf.c:2900)
[  632.285101][T14152]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  632.285103][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285104][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285106][T14152]  console_emit_next_record (kernel/printk/printk.c:3183)
[  632.285109][T14152]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  632.285111][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285112][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285113][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285114][T14152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.285117][T14152]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  632.285119][T14152]  console_flush_one_record (kernel/printk/printk.c:3268)
[  632.285121][T14152]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  632.285124][T14152]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  632.285126][T14152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.285128][T14152]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  632.285129][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285131][T14152]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  632.285132][T14152]  ? 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)
[  632.285134][T14152]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  632.285135][T14152]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  632.285137][T14152]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  632.285139][T14152]  vprintk_emit (kernel/printk/printk.c:2479)
[  632.285141][T14152]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  632.285142][T14152]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  632.285144][T14152]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  632.285147][T14152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.285148][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285150][T14152]  _printk (kernel/printk/printk.c:2504)
[  632.285153][T14152]  ? snapshot_read.cold (user.c:?)
[  632.285155][T14152]  ? br_multicast_flood (??:?)
[  632.285158][T14152]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  632.285161][T14152]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  632.285162][T14152]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  632.285164][T14152]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  632.285167][T14152]  br_init_port (net/bridge/br_stp_if.c:39)
[  632.285169][T14152]  new_nbp (net/bridge/br_if.c:449)
[  632.285171][T14152]  br_add_if (net/bridge/br_if.c:592)
[  632.285173][T14152]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  632.285177][T14152]  do_set_master (net/core/rtnetlink.c:3071)
[  632.285178][T14152]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  632.285180][T14152]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  632.285182][T14152]  ? __dev_get_by_name (net/core/dev.c:905)
[  632.285183][T14152]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  632.285188][T14152]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  632.285190][T14152]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  632.285192][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285194][T14152]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  632.285195][T14152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.285197][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285198][T14152]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  632.285201][T14152]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  632.285202][T14152]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  632.285205][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285206][T14152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.285208][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285209][T14152]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  632.285210][T14152]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  632.285212][T14152]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  632.285213][T14152]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  632.285215][T14152]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  632.285219][T14152]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  632.285222][T14152]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  632.285224][T14152]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  632.285225][T14152]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  632.285227][T14152]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  632.285230][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285231][T14152]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  632.285233][T14152]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  632.285236][T14152]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  632.285238][T14152]  ? next_uptodate_folio (mm/filemap.c:3747)
[  632.285241][T14152]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  632.285243][T14152]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  632.285245][T14152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.285246][T14152]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  632.285250][T14152]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  632.285253][T14152]  ____sys_sendmsg (net/socket.c:2713)
[  632.285254][T14152]  ? copy_msghdr_from_user (net/socket.c:2650)
[  632.285256][T14152]  ? sock_write_iter (net/socket.c:1269)
[  632.285258][T14152]  ? move_addr_to_kernel (net/socket.c:258)
[  632.285260][T14152]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  632.285263][T14152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.285264][T14152]  ___sys_sendmsg (net/socket.c:2767)
[  632.285266][T14152]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  632.285268][T14152]  ? copy_msghdr_from_user (net/socket.c:2619)
[  632.285270][T14152]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  632.285274][T14152]  __sys_sendmsg (net/socket.c:2799)
[  632.285276][T14152]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  632.285279][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285280][T14152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.285281][T14152]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  632.285284][T14152]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  632.285286][T14152]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  632.285288][T14152] RIP: 0033:0x7fc5396fa54e
[  632.285290][T14152] 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
[  632.285292][T14152] RSP: 002b:00007fffdc826810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  632.285295][T14152] RAX: ffffffffffffffda RBX: 00007fffdc826fd8 RCX: 00007fc5396fa54e
[  632.285297][T14152] RDX: 0000000000000000 RSI: 00007fffdc8268c0 RDI: 0000000000000005
[  632.285298][T14152] RBP: 00007fffdc826820 R08: 0000000000000000 R09: 0000000000000000
[  632.285298][T14152] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb6a
[  632.285299][T14152] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdc826f90
| [  638.319688][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  638.319690][   T12] Preemption disabled at:
| [  638.319691][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  638.319702][   T12] Tainted: [W]=WARN
[  638.319703][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  638.319705][   T12] Workqueue: netns cleanup_net
[  638.319712][   T12] Call Trace:
[  638.319714][   T12]  <TASK>
[  638.319716][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  638.319721][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  638.319722][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  638.319726][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  638.319728][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  638.319731][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.319734][   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))
[  638.319737][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  638.319740][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  638.319748][   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)
[  638.319750][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  638.319753][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  638.319755][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  638.319756][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  638.319759][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  638.319764][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  638.319765][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  638.319768][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  638.319769][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.319771][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.319772][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  638.319775][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  638.319777][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.319778][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.319781][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  638.319783][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  638.319785][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  638.319788][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  638.319790][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.319792][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  638.319793][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.319794][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  638.319796][   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)
[  638.319798][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  638.319799][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  638.319801][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  638.319802][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  638.319804][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  638.319805][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  638.319807][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  638.319810][   T12]  ? kthread (kernel/kthread.c:436)
[  638.319812][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  638.319814][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  638.319817][   T12]  _printk (kernel/printk/printk.c:2504)
[  638.319820][   T12]  ? snapshot_read.cold (user.c:?)
[  638.319822][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  638.319825][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  638.319827][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  638.319830][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  638.319832][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.319833][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  638.319835][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  638.319838][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  638.319839][   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)
[  638.319841][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  638.319843][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  638.319846][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  638.319850][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  638.319852][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  638.319855][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  638.319857][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  638.319859][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  638.319861][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  638.319863][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  638.319865][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.319867][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.319869][   T12]  process_one_work (kernel/workqueue.c:3387)
[  638.319872][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  638.319874][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  638.319877][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  638.319880][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  638.319882][   T12]  kthread (kernel/kthread.c:436)
[  638.319883][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  638.319885][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  638.319887][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  638.319889][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  638.319891][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  638.319894][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  638.319896][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  639.477525][T14290] softirqs last disabled at (0): 0x0
| [  639.477527][T14290] Preemption disabled at:
| [  639.477528][T14290] vprintk_emit (kernel/printk/printk.c:2471)
| [  639.477538][T14290] Tainted: [W]=WARN
[  639.477539][T14290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  639.477541][T14290] Call Trace:
[  639.477542][T14290]  <TASK>
[  639.477543][T14290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  639.477549][T14290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  639.477551][T14290]  __might_resched.cold (kernel/sched/core.c:9234)
[  639.477555][T14290]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  639.477557][T14290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  639.477561][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477563][T14290]  __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))
[  639.477566][T14290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.477569][T14290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.477574][T14290]  ? 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)
[  639.477576][T14290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.477579][T14290]  put_chars (drivers/char/virtio_console.c:1176)
[  639.477580][T14290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  639.477582][T14290]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  639.477585][T14290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  639.477589][T14290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  639.477591][T14290]  ? vsnprintf (lib/vsprintf.c:2900)
[  639.477595][T14290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.477596][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477597][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477599][T14290]  console_emit_next_record (kernel/printk/printk.c:3183)
[  639.477602][T14290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  639.477604][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477605][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477606][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477607][T14290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.477610][T14290]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  639.477612][T14290]  console_flush_one_record (kernel/printk/printk.c:3268)
[  639.477614][T14290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  639.477617][T14290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  639.477619][T14290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.477620][T14290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  639.477622][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477623][T14290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  639.477625][T14290]  ? 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)
[  639.477626][T14290]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  639.477628][T14290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  639.477630][T14290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  639.477631][T14290]  vprintk_emit (kernel/printk/printk.c:2479)
[  639.477633][T14290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  639.477634][T14290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.477636][T14290]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  639.477639][T14290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.477640][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477642][T14290]  _printk (kernel/printk/printk.c:2504)
[  639.477645][T14290]  ? snapshot_read.cold (user.c:?)
[  639.477649][T14290]  ? br_multicast_flood (??:?)
[  639.477653][T14290]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  639.477655][T14290]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  639.477657][T14290]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  639.477658][T14290]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  639.477661][T14290]  br_init_port (net/bridge/br_stp_if.c:39)
[  639.477663][T14290]  new_nbp (net/bridge/br_if.c:449)
[  639.477665][T14290]  br_add_if (net/bridge/br_if.c:592)
[  639.477667][T14290]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  639.477671][T14290]  do_set_master (net/core/rtnetlink.c:3071)
[  639.477673][T14290]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  639.477675][T14290]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  639.477676][T14290]  ? __dev_get_by_name (net/core/dev.c:905)
[  639.477678][T14290]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  639.477682][T14290]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  639.477685][T14290]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  639.477687][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477688][T14290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  639.477689][T14290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.477691][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477692][T14290]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  639.477695][T14290]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  639.477697][T14290]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  639.477700][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477701][T14290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.477702][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477704][T14290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  639.477705][T14290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  639.477707][T14290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  639.477708][T14290]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  639.477710][T14290]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  639.477714][T14290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  639.477717][T14290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  639.477718][T14290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  639.477720][T14290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  639.477721][T14290]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  639.477724][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477726][T14290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  639.477728][T14290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  639.477730][T14290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  639.477732][T14290]  ? next_uptodate_folio (mm/filemap.c:3747)
[  639.477735][T14290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  639.477737][T14290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  639.477739][T14290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.477740][T14290]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  639.477749][T14290]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  639.477752][T14290]  ____sys_sendmsg (net/socket.c:2713)
[  639.477754][T14290]  ? copy_msghdr_from_user (net/socket.c:2650)
[  639.477755][T14290]  ? sock_write_iter (net/socket.c:1269)
[  639.477757][T14290]  ? move_addr_to_kernel (net/socket.c:258)
[  639.477759][T14290]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  639.477762][T14290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.477764][T14290]  ___sys_sendmsg (net/socket.c:2767)
[  639.477766][T14290]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  639.477768][T14290]  ? copy_msghdr_from_user (net/socket.c:2619)
[  639.477769][T14290]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  639.477774][T14290]  __sys_sendmsg (net/socket.c:2799)
[  639.477776][T14290]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  639.477778][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477780][T14290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.477781][T14290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  639.477784][T14290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  639.477786][T14290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  639.477788][T14290] RIP: 0033:0x7f85c35d154e
[  639.477790][T14290] 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
[  639.477792][T14290] RSP: 002b:00007ffc2ac9cd50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  639.477795][T14290] RAX: ffffffffffffffda RBX: 00007ffc2ac9d518 RCX: 00007f85c35d154e
[  639.477797][T14290] RDX: 0000000000000000 RSI: 00007ffc2ac9ce00 RDI: 0000000000000005
[  639.477798][T14290] RBP: 00007ffc2ac9cd60 R08: 0000000000000000 R09: 0000000000000000
[  639.477799][T14290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb71
[  639.477800][T14290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2ac9d4d0
| [  640.785864][T14359] softirqs last disabled at (0): 0x0
| [  640.785866][T14359] Preemption disabled at:
| [  640.785866][T14359] vprintk_emit (kernel/printk/printk.c:2471)
| [  640.785876][T14359] Tainted: [W]=WARN
[  640.785878][T14359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  640.785880][T14359] Call Trace:
[  640.785881][T14359]  <TASK>
[  640.785882][T14359]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  640.785887][T14359]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  640.785889][T14359]  __might_resched.cold (kernel/sched/core.c:9234)
[  640.785893][T14359]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  640.785896][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.785899][T14359]  __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))
[  640.785902][T14359]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  640.785904][T14359]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  640.785909][T14359]  ? 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)
[  640.785911][T14359]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  640.785914][T14359]  put_chars (drivers/char/virtio_console.c:1176)
[  640.785915][T14359]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  640.785916][T14359]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  640.785919][T14359]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  640.785921][T14359]  ? pointer (lib/vsprintf.c:2577)
[  640.785925][T14359]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  640.785929][T14359]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  640.785931][T14359]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  640.785933][T14359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.785936][T14359]  console_emit_next_record (kernel/printk/printk.c:3183)
[  640.785938][T14359]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  640.785940][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.785941][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.785942][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.785944][T14359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.785946][T14359]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  640.785947][T14359]  console_flush_one_record (kernel/printk/printk.c:3268)
[  640.785950][T14359]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  640.785953][T14359]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  640.785955][T14359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.785956][T14359]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  640.785958][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.785959][T14359]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  640.785960][T14359]  ? 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)
[  640.785962][T14359]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  640.785963][T14359]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  640.785966][T14359]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  640.785967][T14359]  vprintk_emit (kernel/printk/printk.c:2479)
[  640.785969][T14359]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  640.785970][T14359]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  640.785972][T14359]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  640.785976][T14359]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  640.785978][T14359]  _printk (kernel/printk/printk.c:2504)
[  640.785981][T14359]  ? snapshot_read.cold (user.c:?)
[  640.785983][T14359]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  640.785985][T14359]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  640.785989][T14359]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  640.785990][T14359]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  640.785994][T14359]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  640.785996][T14359]  ? netdev_notice (net/core/dev.c:13194)
[  640.785998][T14359]  ? 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)
[  640.786000][T14359]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  640.786002][T14359]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  640.786004][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786005][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786006][T14359]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  640.786008][T14359]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  640.786009][T14359]  ? 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)
[  640.786010][T14359]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  640.786012][T14359]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  640.786014][T14359]  ? register_netdev (net/core/dev.c:11618)
[  640.786015][T14359]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  640.786017][T14359]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  640.786020][T14359]  ? __kernel_text_address (kernel/extable.c:79)
[  640.786022][T14359]  ? write_profile (profile.c:?)
[  640.786025][T14359]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  640.786028][T14359]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  640.786030][T14359]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  640.786032][T14359]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  640.786033][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786034][T14359]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  640.786037][T14359]  ? kasan_save_stack (mm/kasan/common.c:58)
[  640.786039][T14359]  ? kasan_save_stack (mm/kasan/common.c:57)
[  640.786040][T14359]  ? kasan_save_track (mm/kasan/common.c:78)
[  640.786042][T14359]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  640.786043][T14359]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  640.786044][T14359]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  640.786045][T14359]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  640.786046][T14359]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  640.786049][T14359]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  640.786051][T14359]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  640.786052][T14359]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  640.786055][T14359]  ? ____sys_sendmsg (net/socket.c:2713)
[  640.786056][T14359]  ? ___sys_sendmsg (net/socket.c:2767)
[  640.786058][T14359]  ? __sys_sendmsg (net/socket.c:2799)
[  640.786059][T14359]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  640.786062][T14359]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  640.786064][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786066][T14359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.786067][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786068][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786069][T14359]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  640.786071][T14359]  ? __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)
[  640.786072][T14359]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  640.786073][T14359]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  640.786075][T14359]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  640.786076][T14359]  ? nla_get_range_signed (lib/nlattr.c:270)
[  640.786079][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786080][T14359]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  640.786083][T14359]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  640.786084][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786086][T14359]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  640.786087][T14359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.786089][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786090][T14359]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  640.786093][T14359]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  640.786094][T14359]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  640.786096][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786097][T14359]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  640.786100][T14359]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  640.786102][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786104][T14359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.786105][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786106][T14359]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  640.786108][T14359]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  640.786109][T14359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  640.786111][T14359]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  640.786112][T14359]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  640.786115][T14359]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  640.786116][T14359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  640.786118][T14359]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  640.786119][T14359]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  640.786121][T14359]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  640.786124][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786125][T14359]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  640.786127][T14359]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  640.786130][T14359]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  640.786132][T14359]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  640.786134][T14359]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  640.786136][T14359]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  640.786137][T14359]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  640.786139][T14359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.786141][T14359]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  640.786144][T14359]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  640.786146][T14359]  ____sys_sendmsg (net/socket.c:2713)
[  640.786148][T14359]  ? copy_msghdr_from_user (net/socket.c:2650)
[  640.786149][T14359]  ? sock_write_iter (net/socket.c:1269)
[  640.786151][T14359]  ? move_addr_to_kernel (net/socket.c:258)
[  640.786152][T14359]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  640.786155][T14359]  ___sys_sendmsg (net/socket.c:2767)
[  640.786157][T14359]  ? copy_msghdr_from_user (net/socket.c:2619)
[  640.786162][T14359]  __sys_sendmsg (net/socket.c:2799)
[  640.786164][T14359]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  640.786166][T14359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.786168][T14359]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  640.786170][T14359]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  640.786172][T14359]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  640.786173][T14359] RIP: 0033:0x7f7da727654e
[  640.786175][T14359] 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
[  640.786177][T14359] RSP: 002b:00007fff11afd510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  640.786181][T14359] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7da727654e
[  640.786182][T14359] RDX: 0000000000000000 RSI: 00007fff11afd5c0 RDI: 0000000000000005
[  640.786183][T14359] RBP: 00007fff11afd520 R08: 0000000000000000 R09: 0000000000000000
[  640.786184][T14359] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb73
[  640.786185][T14359] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff11afdc80
| [  641.832012][T14409] softirqs last disabled at (0): 0x0
| [  641.832014][T14409] Preemption disabled at:
| [  641.832015][T14409] vprintk_emit (kernel/printk/printk.c:2471)
| [  641.832025][T14409] Tainted: [W]=WARN
[  641.832026][T14409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  641.832027][T14409] Call Trace:
[  641.832029][T14409]  <TASK>
[  641.832030][T14409]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  641.832036][T14409]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  641.832037][T14409]  __might_resched.cold (kernel/sched/core.c:9234)
[  641.832041][T14409]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  641.832043][T14409]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  641.832047][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832049][T14409]  __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))
[  641.832052][T14409]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  641.832055][T14409]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  641.832060][T14409]  ? 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)
[  641.832062][T14409]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  641.832065][T14409]  put_chars (drivers/char/virtio_console.c:1176)
[  641.832066][T14409]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  641.832068][T14409]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  641.832071][T14409]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  641.832075][T14409]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  641.832077][T14409]  ? vsnprintf (lib/vsprintf.c:2900)
[  641.832081][T14409]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  641.832083][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832084][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832085][T14409]  console_emit_next_record (kernel/printk/printk.c:3183)
[  641.832088][T14409]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  641.832090][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832091][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832092][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832093][T14409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.832096][T14409]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  641.832098][T14409]  console_flush_one_record (kernel/printk/printk.c:3268)
[  641.832100][T14409]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  641.832103][T14409]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  641.832105][T14409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.832107][T14409]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  641.832108][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832109][T14409]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  641.832111][T14409]  ? 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)
[  641.832112][T14409]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  641.832114][T14409]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  641.832116][T14409]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  641.832117][T14409]  vprintk_emit (kernel/printk/printk.c:2479)
[  641.832119][T14409]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  641.832120][T14409]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  641.832122][T14409]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  641.832125][T14409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.832126][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832128][T14409]  _printk (kernel/printk/printk.c:2504)
[  641.832131][T14409]  ? snapshot_read.cold (user.c:?)
[  641.832133][T14409]  ? br_multicast_flood (??:?)
[  641.832136][T14409]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  641.832139][T14409]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  641.832140][T14409]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  641.832142][T14409]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  641.832145][T14409]  br_init_port (net/bridge/br_stp_if.c:39)
[  641.832146][T14409]  new_nbp (net/bridge/br_if.c:449)
[  641.832149][T14409]  br_add_if (net/bridge/br_if.c:592)
[  641.832151][T14409]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  641.832155][T14409]  do_set_master (net/core/rtnetlink.c:3071)
[  641.832156][T14409]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  641.832158][T14409]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  641.832159][T14409]  ? __dev_get_by_name (net/core/dev.c:905)
[  641.832161][T14409]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  641.832165][T14409]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  641.832168][T14409]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  641.832170][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832171][T14409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  641.832172][T14409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.832174][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832175][T14409]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  641.832178][T14409]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  641.832180][T14409]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  641.832182][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832183][T14409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.832184][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832186][T14409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  641.832187][T14409]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  641.832189][T14409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  641.832190][T14409]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  641.832192][T14409]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  641.832196][T14409]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  641.832199][T14409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  641.832201][T14409]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  641.832202][T14409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  641.832204][T14409]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  641.832207][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832208][T14409]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  641.832210][T14409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  641.832212][T14409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  641.832214][T14409]  ? next_uptodate_folio (mm/filemap.c:3747)
[  641.832217][T14409]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  641.832219][T14409]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  641.832221][T14409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.832223][T14409]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  641.832226][T14409]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  641.832229][T14409]  ____sys_sendmsg (net/socket.c:2713)
[  641.832231][T14409]  ? copy_msghdr_from_user (net/socket.c:2650)
[  641.832233][T14409]  ? sock_write_iter (net/socket.c:1269)
[  641.832234][T14409]  ? move_addr_to_kernel (net/socket.c:258)
[  641.832236][T14409]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  641.832239][T14409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.832241][T14409]  ___sys_sendmsg (net/socket.c:2767)
[  641.832242][T14409]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  641.832244][T14409]  ? copy_msghdr_from_user (net/socket.c:2619)
[  641.832246][T14409]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  641.832250][T14409]  __sys_sendmsg (net/socket.c:2799)
[  641.832252][T14409]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  641.832255][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832256][T14409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.832257][T14409]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  641.832260][T14409]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  641.832262][T14409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  641.832264][T14409] RIP: 0033:0x7fceceac054e
[  641.832266][T14409] 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
[  641.832268][T14409] RSP: 002b:00007ffed194c240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  641.832271][T14409] RAX: ffffffffffffffda RBX: 00007ffed194ca08 RCX: 00007fceceac054e
[  641.832273][T14409] RDX: 0000000000000000 RSI: 00007ffed194c2f0 RDI: 0000000000000005
[  641.832274][T14409] RBP: 00007ffed194c250 R08: 0000000000000000 R09: 0000000000000000
[  641.832275][T14409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb74
[  641.832275][T14409] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed194c9c0
| [  647.845251][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  647.845254][   T12] Preemption disabled at:
| [  647.845255][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  647.845264][   T12] Tainted: [W]=WARN
[  647.845266][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  647.845268][   T12] Workqueue: netns cleanup_net
[  647.845274][   T12] Call Trace:
[  647.845275][   T12]  <TASK>
[  647.845277][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  647.845282][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  647.845284][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  647.845288][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  647.845290][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  647.845294][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.845296][   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))
[  647.845299][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  647.845302][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  647.845307][   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)
[  647.845308][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  647.845311][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  647.845312][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  647.845314][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  647.845317][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  647.845321][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  647.845323][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  647.845326][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  647.845327][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.845328][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.845330][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  647.845333][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  647.845335][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.845336][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.845337][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.845338][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  647.845341][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  647.845342][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  647.845345][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  647.845348][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  647.845350][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  647.845351][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  647.845353][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.845354][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  647.845355][   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)
[  647.845357][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  647.845358][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  647.845361][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  647.845362][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  647.845364][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  647.845365][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  647.845366][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  647.845369][   T12]  ? kthread (kernel/kthread.c:436)
[  647.845371][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  647.845374][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  647.845377][   T12]  _printk (kernel/printk/printk.c:2504)
[  647.845379][   T12]  ? snapshot_read.cold (user.c:?)
[  647.845382][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  647.845385][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  647.845387][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  647.845389][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  647.845392][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.845393][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  647.845394][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  647.845397][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  647.845399][   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)
[  647.845400][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  647.845402][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  647.845405][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  647.845409][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  647.845411][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  647.845413][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  647.845416][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  647.845417][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  647.845420][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  647.845422][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  647.845424][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  647.845426][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.845427][   T12]  process_one_work (kernel/workqueue.c:3387)
[  647.845430][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  647.845433][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  647.845435][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  647.845438][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  647.845440][   T12]  kthread (kernel/kthread.c:436)
[  647.845442][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  647.845444][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  647.845445][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  647.845447][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  647.845449][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  647.845452][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  647.845454][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  649.012685][T14548] softirqs last disabled at (0): 0x0
| [  649.012687][T14548] Preemption disabled at:
| [  649.012688][T14548] vprintk_emit (kernel/printk/printk.c:2471)
| [  649.012698][T14548] Tainted: [W]=WARN
[  649.012699][T14548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  649.012700][T14548] Call Trace:
[  649.012702][T14548]  <TASK>
[  649.012703][T14548]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  649.012708][T14548]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  649.012710][T14548]  __might_resched.cold (kernel/sched/core.c:9234)
[  649.012713][T14548]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  649.012716][T14548]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  649.012719][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012722][T14548]  __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))
[  649.012724][T14548]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.012727][T14548]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  649.012732][T14548]  ? 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)
[  649.012734][T14548]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  649.012737][T14548]  put_chars (drivers/char/virtio_console.c:1176)
[  649.012738][T14548]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  649.012740][T14548]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  649.012743][T14548]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  649.012747][T14548]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  649.012749][T14548]  ? vsnprintf (lib/vsprintf.c:2900)
[  649.012752][T14548]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.012754][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012755][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012757][T14548]  console_emit_next_record (kernel/printk/printk.c:3183)
[  649.012759][T14548]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  649.012761][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012762][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012764][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012765][T14548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.012767][T14548]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  649.012769][T14548]  console_flush_one_record (kernel/printk/printk.c:3268)
[  649.012771][T14548]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  649.012774][T14548]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  649.012776][T14548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.012781][T14548]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  649.012783][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012784][T14548]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.012786][T14548]  ? 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)
[  649.012787][T14548]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  649.012789][T14548]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  649.012791][T14548]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  649.012792][T14548]  vprintk_emit (kernel/printk/printk.c:2479)
[  649.012794][T14548]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  649.012796][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012797][T14548]  _printk (kernel/printk/printk.c:2504)
[  649.012801][T14548]  ? snapshot_read.cold (user.c:?)
[  649.012804][T14548]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  649.012808][T14548]  br_init_port (net/bridge/br_stp_if.c:39)
[  649.012810][T14548]  new_nbp (net/bridge/br_if.c:449)
[  649.012812][T14548]  br_add_if (net/bridge/br_if.c:592)
[  649.012814][T14548]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  649.012818][T14548]  do_set_master (net/core/rtnetlink.c:3071)
[  649.012821][T14548]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  649.012823][T14548]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  649.012824][T14548]  ? __dev_get_by_name (net/core/dev.c:905)
[  649.012826][T14548]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  649.012830][T14548]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  649.012833][T14548]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  649.012835][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012837][T14548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  649.012838][T14548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.012839][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012841][T14548]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  649.012844][T14548]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  649.012846][T14548]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  649.012848][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012849][T14548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.012851][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012852][T14548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  649.012853][T14548]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  649.012855][T14548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  649.012856][T14548]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  649.012859][T14548]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  649.012863][T14548]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  649.012867][T14548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  649.012868][T14548]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.012870][T14548]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  649.012871][T14548]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  649.012874][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012876][T14548]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.012878][T14548]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  649.012880][T14548]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  649.012882][T14548]  ? next_uptodate_folio (mm/filemap.c:3747)
[  649.012885][T14548]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  649.012887][T14548]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  649.012889][T14548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.012891][T14548]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  649.012895][T14548]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  649.012898][T14548]  ____sys_sendmsg (net/socket.c:2713)
[  649.012900][T14548]  ? copy_msghdr_from_user (net/socket.c:2650)
[  649.012901][T14548]  ? sock_write_iter (net/socket.c:1269)
[  649.012903][T14548]  ? move_addr_to_kernel (net/socket.c:258)
[  649.012905][T14548]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  649.012908][T14548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.012910][T14548]  ___sys_sendmsg (net/socket.c:2767)
[  649.012911][T14548]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  649.012913][T14548]  ? copy_msghdr_from_user (net/socket.c:2619)
[  649.012915][T14548]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  649.012919][T14548]  __sys_sendmsg (net/socket.c:2799)
[  649.012921][T14548]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  649.012924][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012925][T14548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.012927][T14548]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  649.012929][T14548]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  649.012931][T14548]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  649.012933][T14548] RIP: 0033:0x7f0a2852254e
[  649.012935][T14548] 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
[  649.012937][T14548] RSP: 002b:00007ffc9ddcc900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  649.012941][T14548] RAX: ffffffffffffffda RBX: 00007ffc9ddcd0c8 RCX: 00007f0a2852254e
[  649.012942][T14548] RDX: 0000000000000000 RSI: 00007ffc9ddcc9b0 RDI: 0000000000000005
[  649.012943][T14548] RBP: 00007ffc9ddcc910 R08: 0000000000000000 R09: 0000000000000000
[  649.012944][T14548] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb7b
[  649.012945][T14548] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9ddcd080
| [  650.289039][T14616] softirqs last disabled at (0): 0x0
| [  650.289041][T14616] Preemption disabled at:
| [  650.289041][T14616] vprintk_emit (kernel/printk/printk.c:2471)
| [  650.289051][T14616] Tainted: [W]=WARN
[  650.289052][T14616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  650.289054][T14616] Call Trace:
[  650.289055][T14616]  <TASK>
[  650.289057][T14616]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  650.289062][T14616]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  650.289064][T14616]  __might_resched.cold (kernel/sched/core.c:9234)
[  650.289068][T14616]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  650.289071][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289074][T14616]  __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))
[  650.289077][T14616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  650.289080][T14616]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  650.289085][T14616]  ? 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)
[  650.289086][T14616]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  650.289089][T14616]  put_chars (drivers/char/virtio_console.c:1176)
[  650.289091][T14616]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  650.289092][T14616]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  650.289094][T14616]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  650.289096][T14616]  ? pointer (lib/vsprintf.c:2577)
[  650.289100][T14616]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  650.289104][T14616]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  650.289106][T14616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  650.289108][T14616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.289111][T14616]  console_emit_next_record (kernel/printk/printk.c:3183)
[  650.289113][T14616]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  650.289115][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289116][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289117][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289119][T14616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.289121][T14616]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  650.289122][T14616]  console_flush_one_record (kernel/printk/printk.c:3268)
[  650.289125][T14616]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  650.289128][T14616]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  650.289130][T14616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.289131][T14616]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  650.289133][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289134][T14616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  650.289136][T14616]  ? 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)
[  650.289137][T14616]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  650.289139][T14616]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  650.289141][T14616]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  650.289142][T14616]  vprintk_emit (kernel/printk/printk.c:2479)
[  650.289144][T14616]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  650.289145][T14616]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  650.289147][T14616]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  650.289150][T14616]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  650.289153][T14616]  _printk (kernel/printk/printk.c:2504)
[  650.289156][T14616]  ? snapshot_read.cold (user.c:?)
[  650.289158][T14616]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  650.289160][T14616]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  650.289163][T14616]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  650.289165][T14616]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  650.289168][T14616]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  650.289170][T14616]  ? netdev_notice (net/core/dev.c:13194)
[  650.289173][T14616]  ? 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)
[  650.289174][T14616]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  650.289177][T14616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  650.289178][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289179][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289181][T14616]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  650.289182][T14616]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  650.289184][T14616]  ? 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)
[  650.289185][T14616]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  650.289186][T14616]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  650.289188][T14616]  ? register_netdev (net/core/dev.c:11618)
[  650.289190][T14616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  650.289192][T14616]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  650.289194][T14616]  ? __kernel_text_address (kernel/extable.c:79)
[  650.289197][T14616]  ? write_profile (profile.c:?)
[  650.289200][T14616]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  650.289203][T14616]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  650.289205][T14616]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  650.289207][T14616]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  650.289208][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289209][T14616]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  650.289213][T14616]  ? kasan_save_stack (mm/kasan/common.c:58)
[  650.289214][T14616]  ? kasan_save_stack (mm/kasan/common.c:57)
[  650.289215][T14616]  ? kasan_save_track (mm/kasan/common.c:78)
[  650.289217][T14616]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  650.289218][T14616]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  650.289219][T14616]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  650.289220][T14616]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  650.289221][T14616]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  650.289224][T14616]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  650.289226][T14616]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  650.289227][T14616]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  650.289230][T14616]  ? ____sys_sendmsg (net/socket.c:2713)
[  650.289231][T14616]  ? ___sys_sendmsg (net/socket.c:2767)
[  650.289233][T14616]  ? __sys_sendmsg (net/socket.c:2799)
[  650.289234][T14616]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  650.289237][T14616]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  650.289239][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289240][T14616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.289242][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289243][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289244][T14616]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  650.289245][T14616]  ? __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)
[  650.289247][T14616]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  650.289248][T14616]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  650.289249][T14616]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  650.289250][T14616]  ? nla_get_range_signed (lib/nlattr.c:270)
[  650.289253][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289255][T14616]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  650.289257][T14616]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  650.289259][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289260][T14616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  650.289261][T14616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.289263][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289264][T14616]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  650.289267][T14616]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  650.289268][T14616]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  650.289269][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289270][T14616]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  650.289274][T14616]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  650.289276][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289277][T14616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.289279][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289280][T14616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  650.289281][T14616]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  650.289283][T14616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  650.289284][T14616]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  650.289286][T14616]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  650.289288][T14616]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  650.289290][T14616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  650.289292][T14616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  650.289293][T14616]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  650.289295][T14616]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  650.289298][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289300][T14616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  650.289302][T14616]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  650.289304][T14616]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  650.289306][T14616]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  650.289308][T14616]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  650.289310][T14616]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  650.289311][T14616]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  650.289313][T14616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.289315][T14616]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  650.289318][T14616]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  650.289320][T14616]  ____sys_sendmsg (net/socket.c:2713)
[  650.289321][T14616]  ? copy_msghdr_from_user (net/socket.c:2650)
[  650.289323][T14616]  ? sock_write_iter (net/socket.c:1269)
[  650.289325][T14616]  ? move_addr_to_kernel (net/socket.c:258)
[  650.289326][T14616]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  650.289329][T14616]  ___sys_sendmsg (net/socket.c:2767)
[  650.289331][T14616]  ? copy_msghdr_from_user (net/socket.c:2619)
[  650.289335][T14616]  __sys_sendmsg (net/socket.c:2799)
[  650.289337][T14616]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  650.289340][T14616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.289342][T14616]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  650.289343][T14616]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  650.289345][T14616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  650.289347][T14616] RIP: 0033:0x7f0fb2b6054e
[  650.289349][T14616] 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
[  650.289350][T14616] RSP: 002b:00007ffefcf3a680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  650.289354][T14616] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0fb2b6054e
[  650.289355][T14616] RDX: 0000000000000000 RSI: 00007ffefcf3a730 RDI: 0000000000000005
[  650.289356][T14616] RBP: 00007ffefcf3a690 R08: 0000000000000000 R09: 0000000000000000
[  650.289357][T14616] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb7c
[  650.289358][T14616] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefcf3adf0
| [  651.332982][T14674] softirqs last disabled at (0): 0x0
| [  651.332984][T14674] Preemption disabled at:
| [  651.332985][T14674] vprintk_emit (kernel/printk/printk.c:2471)
| [  651.332995][T14674] Tainted: [W]=WARN
[  651.332997][T14674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  651.332998][T14674] Call Trace:
[  651.333000][T14674]  <TASK>
[  651.333001][T14674]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  651.333007][T14674]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  651.333008][T14674]  __might_resched.cold (kernel/sched/core.c:9234)
[  651.333012][T14674]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  651.333014][T14674]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  651.333017][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333020][T14674]  __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))
[  651.333023][T14674]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.333026][T14674]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.333032][T14674]  ? 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)
[  651.333033][T14674]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.333036][T14674]  put_chars (drivers/char/virtio_console.c:1176)
[  651.333038][T14674]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  651.333039][T14674]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  651.333042][T14674]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  651.333047][T14674]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  651.333048][T14674]  ? vsnprintf (lib/vsprintf.c:2900)
[  651.333052][T14674]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.333054][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333055][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333057][T14674]  console_emit_next_record (kernel/printk/printk.c:3183)
[  651.333059][T14674]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  651.333061][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333062][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333063][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333064][T14674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.333067][T14674]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  651.333069][T14674]  console_flush_one_record (kernel/printk/printk.c:3268)
[  651.333071][T14674]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  651.333074][T14674]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  651.333076][T14674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.333077][T14674]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  651.333079][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333080][T14674]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.333081][T14674]  ? 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)
[  651.333083][T14674]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  651.333084][T14674]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  651.333086][T14674]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  651.333088][T14674]  vprintk_emit (kernel/printk/printk.c:2479)
[  651.333089][T14674]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  651.333091][T14674]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.333092][T14674]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  651.333096][T14674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.333097][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333098][T14674]  _printk (kernel/printk/printk.c:2504)
[  651.333102][T14674]  ? snapshot_read.cold (user.c:?)
[  651.333104][T14674]  ? br_multicast_flood (??:?)
[  651.333107][T14674]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  651.333110][T14674]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  651.333111][T14674]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  651.333113][T14674]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  651.333115][T14674]  br_init_port (net/bridge/br_stp_if.c:39)
[  651.333117][T14674]  new_nbp (net/bridge/br_if.c:449)
[  651.333119][T14674]  br_add_if (net/bridge/br_if.c:592)
[  651.333121][T14674]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  651.333125][T14674]  do_set_master (net/core/rtnetlink.c:3071)
[  651.333127][T14674]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  651.333128][T14674]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  651.333130][T14674]  ? __dev_get_by_name (net/core/dev.c:905)
[  651.333131][T14674]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  651.333135][T14674]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  651.333138][T14674]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  651.333140][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333141][T14674]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.333142][T14674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.333144][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333145][T14674]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  651.333148][T14674]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  651.333150][T14674]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  651.333152][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333153][T14674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.333155][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333156][T14674]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.333157][T14674]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  651.333159][T14674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.333160][T14674]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  651.333162][T14674]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  651.333166][T14674]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  651.333169][T14674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.333170][T14674]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.333172][T14674]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  651.333173][T14674]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  651.333176][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333178][T14674]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.333180][T14674]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  651.333182][T14674]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  651.333184][T14674]  ? next_uptodate_folio (mm/filemap.c:3747)
[  651.333187][T14674]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  651.333189][T14674]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  651.333191][T14674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.333192][T14674]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  651.333196][T14674]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  651.333198][T14674]  ____sys_sendmsg (net/socket.c:2713)
[  651.333200][T14674]  ? copy_msghdr_from_user (net/socket.c:2650)
[  651.333202][T14674]  ? sock_write_iter (net/socket.c:1269)
[  651.333203][T14674]  ? move_addr_to_kernel (net/socket.c:258)
[  651.333205][T14674]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  651.333208][T14674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.333210][T14674]  ___sys_sendmsg (net/socket.c:2767)
[  651.333212][T14674]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  651.333213][T14674]  ? copy_msghdr_from_user (net/socket.c:2619)
[  651.333215][T14674]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  651.333219][T14674]  __sys_sendmsg (net/socket.c:2799)
[  651.333221][T14674]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  651.333224][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333225][T14674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.333226][T14674]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  651.333229][T14674]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  651.333231][T14674]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  651.333233][T14674] RIP: 0033:0x7f87bedc254e
[  651.333235][T14674] 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
[  651.333237][T14674] RSP: 002b:00007ffda54d8c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  651.333240][T14674] RAX: ffffffffffffffda RBX: 00007ffda54d93d8 RCX: 00007f87bedc254e
[  651.333242][T14674] RDX: 0000000000000000 RSI: 00007ffda54d8cc0 RDI: 0000000000000005
[  651.333243][T14674] RBP: 00007ffda54d8c20 R08: 0000000000000000 R09: 0000000000000000
[  651.333244][T14674] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb7d
[  651.333244][T14674] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda54d9390
| [  657.381765][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  657.381768][   T12] Preemption disabled at:
| [  657.381769][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  657.381779][   T12] Tainted: [W]=WARN
[  657.381780][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  657.381782][   T12] Workqueue: netns cleanup_net
[  657.381789][   T12] Call Trace:
[  657.381791][   T12]  <TASK>
[  657.381792][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  657.381798][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  657.381799][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  657.381803][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  657.381805][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  657.381814][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.381816][   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))
[  657.381819][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  657.381822][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  657.381827][   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)
[  657.381829][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  657.381831][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  657.381833][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  657.381835][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  657.381838][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  657.381842][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  657.381844][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  657.381846][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  657.381848][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.381849][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.381851][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  657.381853][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  657.381856][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.381857][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.381858][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.381859][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.381861][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  657.381863][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  657.381865][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  657.381868][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  657.381870][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.381872][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  657.381873][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.381874][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  657.381876][   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)
[  657.381877][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  657.381879][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  657.381881][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  657.381882][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  657.381884][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  657.381885][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  657.381887][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  657.381890][   T12]  ? kthread (kernel/kthread.c:436)
[  657.381892][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  657.381894][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  657.381897][   T12]  _printk (kernel/printk/printk.c:2504)
[  657.381900][   T12]  ? snapshot_read.cold (user.c:?)
[  657.381902][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  657.381906][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  657.381908][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  657.381910][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  657.381912][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.381913][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  657.381915][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  657.381918][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  657.381920][   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)
[  657.381921][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  657.381923][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  657.381926][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  657.381930][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  657.381932][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  657.381934][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  657.381937][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  657.381939][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  657.381941][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  657.381943][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  657.381945][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.381946][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.381948][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.381949][   T12]  process_one_work (kernel/workqueue.c:3387)
[  657.381952][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  657.381955][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  657.381957][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  657.381960][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  657.381962][   T12]  kthread (kernel/kthread.c:436)
[  657.381964][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  657.381965][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  657.381967][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  657.381969][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  657.381971][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  657.381974][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  657.381976][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  658.551381][T14812] softirqs last disabled at (0): 0x0
| [  658.551383][T14812] Preemption disabled at:
| [  658.551383][T14812] vprintk_emit (kernel/printk/printk.c:2471)
| [  658.551393][T14812] Tainted: [W]=WARN
[  658.551394][T14812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  658.551396][T14812] Call Trace:
[  658.551398][T14812]  <TASK>
[  658.551399][T14812]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  658.551405][T14812]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  658.551406][T14812]  __might_resched.cold (kernel/sched/core.c:9234)
[  658.551410][T14812]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  658.551412][T14812]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  658.551416][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551418][T14812]  __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))
[  658.551421][T14812]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  658.551424][T14812]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  658.551429][T14812]  ? 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)
[  658.551431][T14812]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  658.551434][T14812]  put_chars (drivers/char/virtio_console.c:1176)
[  658.551435][T14812]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  658.551437][T14812]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  658.551439][T14812]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  658.551444][T14812]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  658.551446][T14812]  ? vsnprintf (lib/vsprintf.c:2900)
[  658.551449][T14812]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  658.551451][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551452][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551454][T14812]  console_emit_next_record (kernel/printk/printk.c:3183)
[  658.551456][T14812]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  658.551458][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551459][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551460][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551461][T14812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.551464][T14812]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  658.551466][T14812]  console_flush_one_record (kernel/printk/printk.c:3268)
[  658.551468][T14812]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  658.551471][T14812]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  658.551473][T14812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.551474][T14812]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  658.551476][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551477][T14812]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  658.551478][T14812]  ? 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)
[  658.551480][T14812]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  658.551482][T14812]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  658.551483][T14812]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  658.551485][T14812]  vprintk_emit (kernel/printk/printk.c:2479)
[  658.551487][T14812]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  658.551488][T14812]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  658.551489][T14812]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  658.551492][T14812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.551494][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551495][T14812]  _printk (kernel/printk/printk.c:2504)
[  658.551498][T14812]  ? snapshot_read.cold (user.c:?)
[  658.551500][T14812]  ? br_multicast_flood (??:?)
[  658.551503][T14812]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  658.551506][T14812]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  658.551507][T14812]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  658.551509][T14812]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  658.551512][T14812]  br_init_port (net/bridge/br_stp_if.c:39)
[  658.551513][T14812]  new_nbp (net/bridge/br_if.c:449)
[  658.551516][T14812]  br_add_if (net/bridge/br_if.c:592)
[  658.551517][T14812]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  658.551521][T14812]  do_set_master (net/core/rtnetlink.c:3071)
[  658.551523][T14812]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  658.551525][T14812]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  658.551526][T14812]  ? __dev_get_by_name (net/core/dev.c:905)
[  658.551528][T14812]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  658.551532][T14812]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  658.551535][T14812]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  658.551537][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551538][T14812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  658.551539][T14812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.551541][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551542][T14812]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  658.551545][T14812]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  658.551546][T14812]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  658.551549][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551550][T14812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.551551][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551553][T14812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  658.551554][T14812]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  658.551556][T14812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  658.551557][T14812]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  658.551558][T14812]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  658.551562][T14812]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  658.551566][T14812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  658.551567][T14812]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  658.551569][T14812]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  658.551570][T14812]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  658.551573][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551574][T14812]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  658.551576][T14812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  658.551579][T14812]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  658.551581][T14812]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  658.551583][T14812]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  658.551586][T14812]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  658.551589][T14812]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  658.551591][T14812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.551592][T14812]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  658.551596][T14812]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  658.551598][T14812]  ____sys_sendmsg (net/socket.c:2713)
[  658.551600][T14812]  ? copy_msghdr_from_user (net/socket.c:2650)
[  658.551602][T14812]  ? sock_write_iter (net/socket.c:1269)
[  658.551603][T14812]  ? move_addr_to_kernel (net/socket.c:258)
[  658.551606][T14812]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  658.551608][T14812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.551610][T14812]  ___sys_sendmsg (net/socket.c:2767)
[  658.551612][T14812]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  658.551613][T14812]  ? copy_msghdr_from_user (net/socket.c:2619)
[  658.551615][T14812]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  658.551620][T14812]  __sys_sendmsg (net/socket.c:2799)
[  658.551622][T14812]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  658.551624][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551625][T14812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.551627][T14812]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  658.551629][T14812]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  658.551631][T14812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  658.551633][T14812] RIP: 0033:0x7fddfab3054e
[  658.551635][T14812] 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
[  658.551637][T14812] RSP: 002b:00007ffe27d7be60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  658.551641][T14812] RAX: ffffffffffffffda RBX: 00007ffe27d7c628 RCX: 00007fddfab3054e
[  658.551642][T14812] RDX: 0000000000000000 RSI: 00007ffe27d7bf10 RDI: 0000000000000005
[  658.551643][T14812] RBP: 00007ffe27d7be70 R08: 0000000000000000 R09: 0000000000000000
[  658.551644][T14812] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb84
[  658.551645][T14812] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe27d7c5e0
| [  659.879543][T14881] softirqs last disabled at (0): 0x0
| [  659.879545][T14881] Preemption disabled at:
| [  659.879545][T14881] vprintk_emit (kernel/printk/printk.c:2471)
| [  659.879555][T14881] Tainted: [W]=WARN
[  659.879556][T14881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  659.879558][T14881] Call Trace:
[  659.879559][T14881]  <TASK>
[  659.879561][T14881]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  659.879566][T14881]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  659.879568][T14881]  __might_resched.cold (kernel/sched/core.c:9234)
[  659.879572][T14881]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  659.879575][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879578][T14881]  __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))
[  659.879581][T14881]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  659.879584][T14881]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  659.879588][T14881]  ? 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)
[  659.879590][T14881]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  659.879593][T14881]  put_chars (drivers/char/virtio_console.c:1176)
[  659.879594][T14881]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  659.879595][T14881]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  659.879598][T14881]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  659.879600][T14881]  ? pointer (lib/vsprintf.c:2577)
[  659.879603][T14881]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  659.879608][T14881]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  659.879610][T14881]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  659.879611][T14881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.879614][T14881]  console_emit_next_record (kernel/printk/printk.c:3183)
[  659.879617][T14881]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  659.879619][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879620][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879621][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879622][T14881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.879624][T14881]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  659.879626][T14881]  console_flush_one_record (kernel/printk/printk.c:3268)
[  659.879628][T14881]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  659.879631][T14881]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  659.879633][T14881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.879635][T14881]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  659.879636][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879637][T14881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.879639][T14881]  ? 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)
[  659.879640][T14881]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  659.879642][T14881]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  659.879644][T14881]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  659.879649][T14881]  vprintk_emit (kernel/printk/printk.c:2479)
[  659.879651][T14881]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  659.879652][T14881]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  659.879654][T14881]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  659.879657][T14881]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  659.879660][T14881]  _printk (kernel/printk/printk.c:2504)
[  659.879663][T14881]  ? snapshot_read.cold (user.c:?)
[  659.879665][T14881]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  659.879667][T14881]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  659.879670][T14881]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  659.879672][T14881]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  659.879675][T14881]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  659.879677][T14881]  ? netdev_notice (net/core/dev.c:13194)
[  659.879680][T14881]  ? 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)
[  659.879681][T14881]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  659.879684][T14881]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  659.879686][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879687][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879688][T14881]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  659.879689][T14881]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  659.879691][T14881]  ? 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)
[  659.879692][T14881]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  659.879694][T14881]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  659.879695][T14881]  ? register_netdev (net/core/dev.c:11618)
[  659.879696][T14881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.879698][T14881]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  659.879701][T14881]  ? __kernel_text_address (kernel/extable.c:79)
[  659.879703][T14881]  ? write_profile (profile.c:?)
[  659.879706][T14881]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  659.879710][T14881]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  659.879712][T14881]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  659.879713][T14881]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  659.879714][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879716][T14881]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  659.879719][T14881]  ? kasan_save_stack (mm/kasan/common.c:58)
[  659.879721][T14881]  ? kasan_save_stack (mm/kasan/common.c:57)
[  659.879722][T14881]  ? kasan_save_track (mm/kasan/common.c:78)
[  659.879723][T14881]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  659.879724][T14881]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  659.879725][T14881]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  659.879726][T14881]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  659.879728][T14881]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  659.879731][T14881]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  659.879732][T14881]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  659.879734][T14881]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  659.879736][T14881]  ? ____sys_sendmsg (net/socket.c:2713)
[  659.879737][T14881]  ? ___sys_sendmsg (net/socket.c:2767)
[  659.879739][T14881]  ? __sys_sendmsg (net/socket.c:2799)
[  659.879741][T14881]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  659.879743][T14881]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  659.879745][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879746][T14881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.879748][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879749][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879750][T14881]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  659.879751][T14881]  ? __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)
[  659.879752][T14881]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  659.879754][T14881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  659.879755][T14881]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  659.879756][T14881]  ? nla_get_range_signed (lib/nlattr.c:270)
[  659.879759][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879761][T14881]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  659.879763][T14881]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  659.879765][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879766][T14881]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  659.879767][T14881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.879769][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879770][T14881]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  659.879773][T14881]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  659.879774][T14881]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  659.879775][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879777][T14881]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  659.879780][T14881]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  659.879782][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879783][T14881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.879785][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879786][T14881]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  659.879787][T14881]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  659.879789][T14881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  659.879790][T14881]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  659.879792][T14881]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  659.879794][T14881]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  659.879796][T14881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  659.879797][T14881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.879799][T14881]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  659.879801][T14881]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  659.879804][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879805][T14881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.879807][T14881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  659.879809][T14881]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  659.879811][T14881]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  659.879813][T14881]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  659.879815][T14881]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  659.879821][T14881]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  659.879823][T14881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.879824][T14881]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  659.879828][T14881]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  659.879829][T14881]  ____sys_sendmsg (net/socket.c:2713)
[  659.879831][T14881]  ? copy_msghdr_from_user (net/socket.c:2650)
[  659.879833][T14881]  ? sock_write_iter (net/socket.c:1269)
[  659.879834][T14881]  ? move_addr_to_kernel (net/socket.c:258)
[  659.879836][T14881]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  659.879838][T14881]  ___sys_sendmsg (net/socket.c:2767)
[  659.879840][T14881]  ? copy_msghdr_from_user (net/socket.c:2619)
[  659.879845][T14881]  __sys_sendmsg (net/socket.c:2799)
[  659.879847][T14881]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  659.879850][T14881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.879852][T14881]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  659.879853][T14881]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  659.879855][T14881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  659.879857][T14881] RIP: 0033:0x7f77d281654e
[  659.879859][T14881] 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
[  659.879861][T14881] RSP: 002b:00007ffec9d2ba00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  659.879864][T14881] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f77d281654e
[  659.879866][T14881] RDX: 0000000000000000 RSI: 00007ffec9d2bab0 RDI: 0000000000000005
[  659.879867][T14881] RBP: 00007ffec9d2ba10 R08: 0000000000000000 R09: 0000000000000000
[  659.879868][T14881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb86
[  659.879869][T14881] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec9d2c170
| [  660.956247][T14931] softirqs last disabled at (0): 0x0
| [  660.956249][T14931] Preemption disabled at:
| [  660.956250][T14931] vprintk_emit (kernel/printk/printk.c:2471)
| [  660.956260][T14931] Tainted: [W]=WARN
[  660.956261][T14931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  660.956263][T14931] Call Trace:
[  660.956264][T14931]  <TASK>
[  660.956266][T14931]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  660.956271][T14931]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  660.956272][T14931]  __might_resched.cold (kernel/sched/core.c:9234)
[  660.956276][T14931]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  660.956278][T14931]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  660.956282][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956284][T14931]  __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))
[  660.956287][T14931]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  660.956290][T14931]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  660.956295][T14931]  ? 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)
[  660.956297][T14931]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  660.956299][T14931]  put_chars (drivers/char/virtio_console.c:1176)
[  660.956301][T14931]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  660.956303][T14931]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  660.956305][T14931]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  660.956310][T14931]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  660.956312][T14931]  ? vsnprintf (lib/vsprintf.c:2900)
[  660.956315][T14931]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  660.956317][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956318][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956320][T14931]  console_emit_next_record (kernel/printk/printk.c:3183)
[  660.956323][T14931]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  660.956325][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956326][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956327][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956328][T14931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.956330][T14931]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  660.956332][T14931]  console_flush_one_record (kernel/printk/printk.c:3268)
[  660.956335][T14931]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  660.956337][T14931]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  660.956339][T14931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.956341][T14931]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  660.956343][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956344][T14931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  660.956345][T14931]  ? 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)
[  660.956347][T14931]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  660.956349][T14931]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  660.956350][T14931]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  660.956352][T14931]  vprintk_emit (kernel/printk/printk.c:2479)
[  660.956354][T14931]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  660.956355][T14931]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  660.956356][T14931]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  660.956359][T14931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.956361][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956362][T14931]  _printk (kernel/printk/printk.c:2504)
[  660.956365][T14931]  ? snapshot_read.cold (user.c:?)
[  660.956367][T14931]  ? br_multicast_flood (??:?)
[  660.956371][T14931]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  660.956374][T14931]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  660.956375][T14931]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  660.956377][T14931]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  660.956379][T14931]  br_init_port (net/bridge/br_stp_if.c:39)
[  660.956381][T14931]  new_nbp (net/bridge/br_if.c:449)
[  660.956383][T14931]  br_add_if (net/bridge/br_if.c:592)
[  660.956385][T14931]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  660.956390][T14931]  do_set_master (net/core/rtnetlink.c:3071)
[  660.956391][T14931]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  660.956393][T14931]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  660.956394][T14931]  ? __dev_get_by_name (net/core/dev.c:905)
[  660.956396][T14931]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  660.956400][T14931]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  660.956403][T14931]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  660.956405][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956406][T14931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  660.956407][T14931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.956409][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956410][T14931]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  660.956413][T14931]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  660.956415][T14931]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  660.956417][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956419][T14931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.956420][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956421][T14931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  660.956423][T14931]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  660.956424][T14931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  660.956426][T14931]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  660.956427][T14931]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  660.956431][T14931]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  660.956434][T14931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  660.956435][T14931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  660.956437][T14931]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  660.956439][T14931]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  660.956442][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956443][T14931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  660.956445][T14931]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  660.956447][T14931]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  660.956449][T14931]  ? next_uptodate_folio (mm/filemap.c:3747)
[  660.956452][T14931]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  660.956454][T14931]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  660.956456][T14931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.956458][T14931]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  660.956461][T14931]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  660.956464][T14931]  ____sys_sendmsg (net/socket.c:2713)
[  660.956466][T14931]  ? copy_msghdr_from_user (net/socket.c:2650)
[  660.956467][T14931]  ? sock_write_iter (net/socket.c:1269)
[  660.956469][T14931]  ? move_addr_to_kernel (net/socket.c:258)
[  660.956471][T14931]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  660.956473][T14931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.956475][T14931]  ___sys_sendmsg (net/socket.c:2767)
[  660.956477][T14931]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  660.956479][T14931]  ? copy_msghdr_from_user (net/socket.c:2619)
[  660.956480][T14931]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  660.956485][T14931]  __sys_sendmsg (net/socket.c:2799)
[  660.956487][T14931]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  660.956490][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956491][T14931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.956492][T14931]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  660.956495][T14931]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  660.956497][T14931]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  660.956499][T14931] RIP: 0033:0x7fc818e3254e
[  660.956501][T14931] 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
[  660.956503][T14931] RSP: 002b:00007ffdf0155870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  660.956506][T14931] RAX: ffffffffffffffda RBX: 00007ffdf0156038 RCX: 00007fc818e3254e
[  660.956508][T14931] RDX: 0000000000000000 RSI: 00007ffdf0155920 RDI: 0000000000000005
[  660.956509][T14931] RBP: 00007ffdf0155880 R08: 0000000000000000 R09: 0000000000000000
[  660.956510][T14931] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb87
[  660.956511][T14931] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf0155ff0
| [  666.999747][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  666.999749][   T12] Preemption disabled at:
| [  666.999750][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  666.999761][   T12] Tainted: [W]=WARN
[  666.999763][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  666.999765][   T12] Workqueue: netns cleanup_net
[  666.999771][   T12] Call Trace:
[  666.999773][   T12]  <TASK>
[  666.999775][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  666.999781][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  666.999782][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  666.999786][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  666.999788][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  666.999792][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999795][   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))
[  666.999798][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  666.999801][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  666.999806][   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)
[  666.999808][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  666.999811][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  666.999813][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  666.999815][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  666.999818][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  666.999823][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  666.999825][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  666.999828][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  666.999830][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999831][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999833][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  666.999836][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  666.999838][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999840][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999847][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999848][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.999851][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  666.999853][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  666.999856][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  666.999859][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  666.999861][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.999863][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  666.999865][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999866][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  666.999868][   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)
[  666.999870][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  666.999872][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  666.999874][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  666.999876][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  666.999878][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  666.999880][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  666.999881][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  666.999884][   T12]  ? kthread (kernel/kthread.c:436)
[  666.999887][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  666.999890][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  666.999893][   T12]  _printk (kernel/printk/printk.c:2504)
[  666.999896][   T12]  ? snapshot_read.cold (user.c:?)
[  666.999899][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  666.999902][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  666.999904][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  666.999907][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  666.999909][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999911][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  666.999913][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  666.999916][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  666.999918][   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)
[  666.999920][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  666.999922][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  666.999925][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  666.999929][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  666.999932][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  666.999935][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  666.999937][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  666.999939][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  666.999943][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  666.999945][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  666.999947][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.999949][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.999952][   T12]  process_one_work (kernel/workqueue.c:3387)
[  666.999955][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  666.999958][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  666.999961][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  666.999965][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  666.999967][   T12]  kthread (kernel/kthread.c:436)
[  666.999969][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  666.999971][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  666.999973][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  666.999975][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  666.999978][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  666.999981][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  666.999983][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  668.227427][T15069] softirqs last disabled at (0): 0x0
| [  668.227429][T15069] Preemption disabled at:
| [  668.227429][T15069] vprintk_emit (kernel/printk/printk.c:2471)
| [  668.227439][T15069] Tainted: [W]=WARN
[  668.227440][T15069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  668.227442][T15069] Call Trace:
[  668.227444][T15069]  <TASK>
[  668.227445][T15069]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  668.227451][T15069]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  668.227452][T15069]  __might_resched.cold (kernel/sched/core.c:9234)
[  668.227456][T15069]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  668.227458][T15069]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  668.227462][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227464][T15069]  __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))
[  668.227467][T15069]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  668.227471][T15069]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  668.227476][T15069]  ? 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)
[  668.227478][T15069]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  668.227480][T15069]  put_chars (drivers/char/virtio_console.c:1176)
[  668.227482][T15069]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  668.227484][T15069]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  668.227486][T15069]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  668.227491][T15069]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  668.227493][T15069]  ? vsnprintf (lib/vsprintf.c:2900)
[  668.227496][T15069]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  668.227498][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227499][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227501][T15069]  console_emit_next_record (kernel/printk/printk.c:3183)
[  668.227503][T15069]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  668.227505][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227506][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227507][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227509][T15069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.227511][T15069]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  668.227513][T15069]  console_flush_one_record (kernel/printk/printk.c:3268)
[  668.227515][T15069]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  668.227518][T15069]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  668.227520][T15069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.227522][T15069]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  668.227523][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227524][T15069]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  668.227526][T15069]  ? 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)
[  668.227528][T15069]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  668.227529][T15069]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  668.227531][T15069]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  668.227532][T15069]  vprintk_emit (kernel/printk/printk.c:2479)
[  668.227534][T15069]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  668.227536][T15069]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  668.227537][T15069]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  668.227540][T15069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.227542][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227543][T15069]  _printk (kernel/printk/printk.c:2504)
[  668.227546][T15069]  ? snapshot_read.cold (user.c:?)
[  668.227548][T15069]  ? br_multicast_flood (??:?)
[  668.227552][T15069]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  668.227555][T15069]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  668.227556][T15069]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  668.227558][T15069]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  668.227561][T15069]  br_init_port (net/bridge/br_stp_if.c:39)
[  668.227563][T15069]  new_nbp (net/bridge/br_if.c:449)
[  668.227565][T15069]  br_add_if (net/bridge/br_if.c:592)
[  668.227567][T15069]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  668.227571][T15069]  do_set_master (net/core/rtnetlink.c:3071)
[  668.227573][T15069]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  668.227574][T15069]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  668.227576][T15069]  ? __dev_get_by_name (net/core/dev.c:905)
[  668.227577][T15069]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  668.227581][T15069]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  668.227584][T15069]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  668.227586][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227587][T15069]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  668.227588][T15069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.227590][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227591][T15069]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  668.227594][T15069]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  668.227596][T15069]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  668.227599][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227600][T15069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.227602][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227603][T15069]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  668.227604][T15069]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  668.227606][T15069]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  668.227607][T15069]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  668.227609][T15069]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  668.227613][T15069]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  668.227616][T15069]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  668.227617][T15069]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  668.227619][T15069]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  668.227620][T15069]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  668.227623][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227625][T15069]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  668.227627][T15069]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  668.227629][T15069]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  668.227631][T15069]  ? next_uptodate_folio (mm/filemap.c:3747)
[  668.227634][T15069]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  668.227636][T15069]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  668.227638][T15069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.227640][T15069]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  668.227643][T15069]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  668.227649][T15069]  ____sys_sendmsg (net/socket.c:2713)
[  668.227651][T15069]  ? copy_msghdr_from_user (net/socket.c:2650)
[  668.227653][T15069]  ? sock_write_iter (net/socket.c:1269)
[  668.227655][T15069]  ? move_addr_to_kernel (net/socket.c:258)
[  668.227657][T15069]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  668.227660][T15069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.227662][T15069]  ___sys_sendmsg (net/socket.c:2767)
[  668.227664][T15069]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  668.227666][T15069]  ? copy_msghdr_from_user (net/socket.c:2619)
[  668.227667][T15069]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  668.227672][T15069]  __sys_sendmsg (net/socket.c:2799)
[  668.227674][T15069]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  668.227676][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227678][T15069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.227679][T15069]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  668.227682][T15069]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  668.227684][T15069]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  668.227686][T15069] RIP: 0033:0x7ff918c2554e
[  668.227687][T15069] 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
[  668.227690][T15069] RSP: 002b:00007ffec2683200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  668.227693][T15069] RAX: ffffffffffffffda RBX: 00007ffec26839c8 RCX: 00007ff918c2554e
[  668.227695][T15069] RDX: 0000000000000000 RSI: 00007ffec26832b0 RDI: 0000000000000005
[  668.227696][T15069] RBP: 00007ffec2683210 R08: 0000000000000000 R09: 0000000000000000
[  668.227697][T15069] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb8e
[  668.227697][T15069] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec2683980
| [  669.618801][T15139] softirqs last disabled at (0): 0x0
| [  669.618803][T15139] Preemption disabled at:
| [  669.618803][T15139] vprintk_emit (kernel/printk/printk.c:2471)
| [  669.618813][T15139] Tainted: [W]=WARN
[  669.618814][T15139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  669.618816][T15139] Call Trace:
[  669.618818][T15139]  <TASK>
[  669.618819][T15139]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  669.618824][T15139]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  669.618826][T15139]  __might_resched.cold (kernel/sched/core.c:9234)
[  669.618830][T15139]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  669.618833][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.618836][T15139]  __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))
[  669.618839][T15139]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  669.618842][T15139]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  669.618846][T15139]  ? 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)
[  669.618848][T15139]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  669.618855][T15139]  put_chars (drivers/char/virtio_console.c:1176)
[  669.618857][T15139]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  669.618858][T15139]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  669.618860][T15139]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  669.618863][T15139]  ? pointer (lib/vsprintf.c:2577)
[  669.618866][T15139]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  669.618871][T15139]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  669.618873][T15139]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  669.618875][T15139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.618877][T15139]  console_emit_next_record (kernel/printk/printk.c:3183)
[  669.618880][T15139]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  669.618882][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.618883][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.618884][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.618885][T15139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.618887][T15139]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  669.618889][T15139]  console_flush_one_record (kernel/printk/printk.c:3268)
[  669.618891][T15139]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  669.618894][T15139]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  669.618896][T15139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.618898][T15139]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  669.618900][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.618901][T15139]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  669.618902][T15139]  ? 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)
[  669.618904][T15139]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  669.618905][T15139]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  669.618907][T15139]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  669.618909][T15139]  vprintk_emit (kernel/printk/printk.c:2479)
[  669.618910][T15139]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  669.618912][T15139]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  669.618914][T15139]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  669.618918][T15139]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  669.618920][T15139]  _printk (kernel/printk/printk.c:2504)
[  669.618923][T15139]  ? snapshot_read.cold (user.c:?)
[  669.618925][T15139]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  669.618927][T15139]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  669.618930][T15139]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  669.618932][T15139]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  669.618935][T15139]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  669.618938][T15139]  ? netdev_notice (net/core/dev.c:13194)
[  669.618940][T15139]  ? 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)
[  669.618942][T15139]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  669.618944][T15139]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  669.618946][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.618947][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.618948][T15139]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  669.618949][T15139]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  669.618951][T15139]  ? 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)
[  669.618952][T15139]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  669.618954][T15139]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  669.618955][T15139]  ? register_netdev (net/core/dev.c:11618)
[  669.618957][T15139]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  669.618959][T15139]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  669.618961][T15139]  ? __kernel_text_address (kernel/extable.c:79)
[  669.618964][T15139]  ? write_profile (profile.c:?)
[  669.618967][T15139]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  669.618970][T15139]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  669.618972][T15139]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  669.618973][T15139]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  669.618975][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.618976][T15139]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  669.618979][T15139]  ? kasan_save_stack (mm/kasan/common.c:58)
[  669.618981][T15139]  ? kasan_save_stack (mm/kasan/common.c:57)
[  669.618982][T15139]  ? kasan_save_track (mm/kasan/common.c:78)
[  669.618983][T15139]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  669.618984][T15139]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  669.618985][T15139]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  669.618987][T15139]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  669.618988][T15139]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  669.618991][T15139]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  669.618992][T15139]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  669.618994][T15139]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  669.618996][T15139]  ? ____sys_sendmsg (net/socket.c:2713)
[  669.618998][T15139]  ? ___sys_sendmsg (net/socket.c:2767)
[  669.618999][T15139]  ? __sys_sendmsg (net/socket.c:2799)
[  669.619001][T15139]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  669.619003][T15139]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  669.619005][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.619007][T15139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.619008][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.619009][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.619010][T15139]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  669.619012][T15139]  ? __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)
[  669.619013][T15139]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  669.619015][T15139]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  669.619016][T15139]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  669.619017][T15139]  ? nla_get_range_signed (lib/nlattr.c:270)
[  669.619020][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.619022][T15139]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  669.619024][T15139]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  669.619026][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.619027][T15139]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  669.619028][T15139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.619029][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.619031][T15139]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  669.619033][T15139]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  669.619035][T15139]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  669.619036][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.619037][T15139]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  669.619040][T15139]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  669.619043][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.619044][T15139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.619045][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.619046][T15139]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  669.619048][T15139]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  669.619049][T15139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  669.619051][T15139]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  669.619052][T15139]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  669.619055][T15139]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  669.619056][T15139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  669.619058][T15139]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  669.619059][T15139]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  669.619061][T15139]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  669.619064][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.619065][T15139]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  669.619067][T15139]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  669.619070][T15139]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  669.619071][T15139]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  669.619073][T15139]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  669.619075][T15139]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  669.619080][T15139]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  669.619082][T15139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.619084][T15139]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  669.619087][T15139]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  669.619089][T15139]  ____sys_sendmsg (net/socket.c:2713)
[  669.619091][T15139]  ? copy_msghdr_from_user (net/socket.c:2650)
[  669.619092][T15139]  ? sock_write_iter (net/socket.c:1269)
[  669.619094][T15139]  ? move_addr_to_kernel (net/socket.c:258)
[  669.619095][T15139]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  669.619098][T15139]  ___sys_sendmsg (net/socket.c:2767)
[  669.619100][T15139]  ? copy_msghdr_from_user (net/socket.c:2619)
[  669.619105][T15139]  __sys_sendmsg (net/socket.c:2799)
[  669.619106][T15139]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  669.619109][T15139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.619111][T15139]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  669.619113][T15139]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  669.619114][T15139]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  669.619116][T15139] RIP: 0033:0x7f6f90c7654e
[  669.619118][T15139] 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
[  669.619120][T15139] RSP: 002b:00007ffe52e95a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  669.619123][T15139] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6f90c7654e
[  669.619125][T15139] RDX: 0000000000000000 RSI: 00007ffe52e95ae0 RDI: 0000000000000005
[  669.619126][T15139] RBP: 00007ffe52e95a40 R08: 0000000000000000 R09: 0000000000000000
[  669.619127][T15139] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb8f
[  669.619127][T15139] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe52e961a0
| [  670.676425][T15189] softirqs last disabled at (0): 0x0
| [  670.676427][T15189] Preemption disabled at:
| [  670.676428][T15189] vprintk_emit (kernel/printk/printk.c:2471)
| [  670.676437][T15189] Tainted: [W]=WARN
[  670.676438][T15189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  670.676440][T15189] Call Trace:
[  670.676441][T15189]  <TASK>
[  670.676443][T15189]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  670.676448][T15189]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  670.676450][T15189]  __might_resched.cold (kernel/sched/core.c:9234)
[  670.676454][T15189]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  670.676456][T15189]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  670.676459][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676462][T15189]  __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))
[  670.676465][T15189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  670.676468][T15189]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  670.676473][T15189]  ? 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)
[  670.676474][T15189]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  670.676477][T15189]  put_chars (drivers/char/virtio_console.c:1176)
[  670.676479][T15189]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  670.676481][T15189]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  670.676483][T15189]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  670.676488][T15189]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  670.676490][T15189]  ? vsnprintf (lib/vsprintf.c:2900)
[  670.676493][T15189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  670.676494][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676495][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676497][T15189]  console_emit_next_record (kernel/printk/printk.c:3183)
[  670.676500][T15189]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  670.676502][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676503][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676504][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676505][T15189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  670.676508][T15189]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  670.676510][T15189]  console_flush_one_record (kernel/printk/printk.c:3268)
[  670.676512][T15189]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  670.676515][T15189]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  670.676517][T15189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  670.676518][T15189]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  670.676520][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676521][T15189]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  670.676523][T15189]  ? 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)
[  670.676524][T15189]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  670.676526][T15189]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  670.676528][T15189]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  670.676529][T15189]  vprintk_emit (kernel/printk/printk.c:2479)
[  670.676531][T15189]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  670.676532][T15189]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  670.676534][T15189]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  670.676537][T15189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  670.676538][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676540][T15189]  _printk (kernel/printk/printk.c:2504)
[  670.676543][T15189]  ? snapshot_read.cold (user.c:?)
[  670.676545][T15189]  ? br_multicast_flood (??:?)
[  670.676549][T15189]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  670.676551][T15189]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  670.676552][T15189]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  670.676554][T15189]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  670.676557][T15189]  br_init_port (net/bridge/br_stp_if.c:39)
[  670.676559][T15189]  new_nbp (net/bridge/br_if.c:449)
[  670.676561][T15189]  br_add_if (net/bridge/br_if.c:592)
[  670.676563][T15189]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  670.676567][T15189]  do_set_master (net/core/rtnetlink.c:3071)
[  670.676569][T15189]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  670.676571][T15189]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  670.676572][T15189]  ? __dev_get_by_name (net/core/dev.c:905)
[  670.676574][T15189]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  670.676578][T15189]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  670.676581][T15189]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  670.676583][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676584][T15189]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  670.676585][T15189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  670.676587][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676588][T15189]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  670.676591][T15189]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  670.676593][T15189]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  670.676595][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676596][T15189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  670.676598][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676599][T15189]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  670.676600][T15189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  670.676602][T15189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  670.676603][T15189]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  670.676605][T15189]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  670.676609][T15189]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  670.676612][T15189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  670.676614][T15189]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  670.676615][T15189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  670.676617][T15189]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  670.676620][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676621][T15189]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  670.676623][T15189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  670.676625][T15189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  670.676627][T15189]  ? next_uptodate_folio (mm/filemap.c:3747)
[  670.676630][T15189]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  670.676632][T15189]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  670.676634][T15189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  670.676636][T15189]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  670.676639][T15189]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  670.676642][T15189]  ____sys_sendmsg (net/socket.c:2713)
[  670.676644][T15189]  ? copy_msghdr_from_user (net/socket.c:2650)
[  670.676649][T15189]  ? sock_write_iter (net/socket.c:1269)
[  670.676651][T15189]  ? move_addr_to_kernel (net/socket.c:258)
[  670.676653][T15189]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  670.676656][T15189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  670.676658][T15189]  ___sys_sendmsg (net/socket.c:2767)
[  670.676659][T15189]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  670.676661][T15189]  ? copy_msghdr_from_user (net/socket.c:2619)
[  670.676663][T15189]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  670.676667][T15189]  __sys_sendmsg (net/socket.c:2799)
[  670.676669][T15189]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  670.676672][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676673][T15189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  670.676675][T15189]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  670.676677][T15189]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  670.676679][T15189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  670.676681][T15189] RIP: 0033:0x7fb42000354e
[  670.676683][T15189] 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
[  670.676685][T15189] RSP: 002b:00007ffee748fcc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  670.676689][T15189] RAX: ffffffffffffffda RBX: 00007ffee7490488 RCX: 00007fb42000354e
[  670.676690][T15189] RDX: 0000000000000000 RSI: 00007ffee748fd70 RDI: 0000000000000005
[  670.676691][T15189] RBP: 00007ffee748fcd0 R08: 0000000000000000 R09: 0000000000000000
[  670.676692][T15189] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb91
[  670.676693][T15189] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee7490440
| [  680.081282][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  680.081285][   T12] Preemption disabled at:
| [  680.081285][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  680.081295][   T12] Tainted: [W]=WARN
[  680.081296][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  680.081298][   T12] Workqueue: netns cleanup_net
[  680.081305][   T12] Call Trace:
[  680.081306][   T12]  <TASK>
[  680.081308][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  680.081313][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  680.081315][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  680.081318][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  680.081321][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  680.081324][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.081326][   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))
[  680.081329][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  680.081332][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  680.081336][   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)
[  680.081338][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  680.081341][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  680.081342][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  680.081344][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  680.081347][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  680.081351][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  680.081353][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  680.081356][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  680.081357][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.081358][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.081360][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  680.081363][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  680.081365][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.081366][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.081367][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.081368][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.081371][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  680.081372][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  680.081375][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  680.081378][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  680.081380][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.081381][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  680.081383][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.081384][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  680.081385][   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)
[  680.081387][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  680.081388][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  680.081390][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  680.081392][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  680.081394][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  680.081395][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  680.081396][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  680.081399][   T12]  ? kthread (kernel/kthread.c:436)
[  680.081401][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  680.081404][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  680.081406][   T12]  _printk (kernel/printk/printk.c:2504)
[  680.081409][   T12]  ? snapshot_read.cold (user.c:?)
[  680.081411][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  680.081415][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  680.081417][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  680.081419][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  680.081421][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.081423][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  680.081424][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  680.081427][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  680.081429][   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)
[  680.081430][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  680.081432][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  680.081435][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  680.081439][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  680.081441][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  680.081443][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  680.081445][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  680.081447][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  680.081450][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  680.081452][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  680.081454][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.081455][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.081457][   T12]  process_one_work (kernel/workqueue.c:3387)
[  680.081460][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  680.081462][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  680.081465][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  680.081468][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  680.081470][   T12]  kthread (kernel/kthread.c:436)
[  680.081471][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  680.081473][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  680.081475][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  680.081477][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  680.081479][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  680.081482][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  680.081484][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  681.315134][T15445] softirqs last disabled at (0): 0x0
| [  681.315136][T15445] Preemption disabled at:
| [  681.315137][T15445] vprintk_emit (kernel/printk/printk.c:2471)
| [  681.315146][T15445] Tainted: [W]=WARN
[  681.315147][T15445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  681.315149][T15445] Call Trace:
[  681.315151][T15445]  <TASK>
[  681.315152][T15445]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  681.315157][T15445]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  681.315159][T15445]  __might_resched.cold (kernel/sched/core.c:9234)
[  681.315163][T15445]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  681.315165][T15445]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  681.315168][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315171][T15445]  __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))
[  681.315174][T15445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  681.315177][T15445]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  681.315182][T15445]  ? 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)
[  681.315183][T15445]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  681.315186][T15445]  put_chars (drivers/char/virtio_console.c:1176)
[  681.315188][T15445]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  681.315189][T15445]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  681.315192][T15445]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  681.315197][T15445]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  681.315198][T15445]  ? vsnprintf (lib/vsprintf.c:2900)
[  681.315202][T15445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  681.315204][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315205][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315206][T15445]  console_emit_next_record (kernel/printk/printk.c:3183)
[  681.315209][T15445]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  681.315211][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315212][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315213][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315214][T15445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.315217][T15445]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  681.315219][T15445]  console_flush_one_record (kernel/printk/printk.c:3268)
[  681.315221][T15445]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  681.315224][T15445]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  681.315226][T15445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.315227][T15445]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  681.315229][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315230][T15445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  681.315232][T15445]  ? 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)
[  681.315233][T15445]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  681.315235][T15445]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  681.315237][T15445]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  681.315238][T15445]  vprintk_emit (kernel/printk/printk.c:2479)
[  681.315240][T15445]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  681.315241][T15445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  681.315243][T15445]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  681.315246][T15445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.315247][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315249][T15445]  _printk (kernel/printk/printk.c:2504)
[  681.315251][T15445]  ? snapshot_read.cold (user.c:?)
[  681.315253][T15445]  ? br_multicast_flood (??:?)
[  681.315257][T15445]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  681.315260][T15445]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  681.315261][T15445]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  681.315263][T15445]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  681.315265][T15445]  br_init_port (net/bridge/br_stp_if.c:39)
[  681.315267][T15445]  new_nbp (net/bridge/br_if.c:449)
[  681.315269][T15445]  br_add_if (net/bridge/br_if.c:592)
[  681.315271][T15445]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  681.315275][T15445]  do_set_master (net/core/rtnetlink.c:3071)
[  681.315277][T15445]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  681.315279][T15445]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  681.315280][T15445]  ? __dev_get_by_name (net/core/dev.c:905)
[  681.315282][T15445]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  681.315286][T15445]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  681.315289][T15445]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  681.315291][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315292][T15445]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  681.315293][T15445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.315295][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315297][T15445]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  681.315299][T15445]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  681.315301][T15445]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  681.315303][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315305][T15445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.315306][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315307][T15445]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  681.315309][T15445]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  681.315311][T15445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  681.315312][T15445]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  681.315314][T15445]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  681.315318][T15445]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  681.315321][T15445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  681.315322][T15445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  681.315324][T15445]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  681.315326][T15445]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  681.315329][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315330][T15445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  681.315332][T15445]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  681.315334][T15445]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  681.315336][T15445]  ? next_uptodate_folio (mm/filemap.c:3747)
[  681.315339][T15445]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  681.315341][T15445]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  681.315343][T15445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.315345][T15445]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  681.315348][T15445]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  681.315351][T15445]  ____sys_sendmsg (net/socket.c:2713)
[  681.315353][T15445]  ? copy_msghdr_from_user (net/socket.c:2650)
[  681.315355][T15445]  ? sock_write_iter (net/socket.c:1269)
[  681.315356][T15445]  ? move_addr_to_kernel (net/socket.c:258)
[  681.315359][T15445]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  681.315361][T15445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.315363][T15445]  ___sys_sendmsg (net/socket.c:2767)
[  681.315365][T15445]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  681.315366][T15445]  ? copy_msghdr_from_user (net/socket.c:2619)
[  681.315368][T15445]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  681.315372][T15445]  __sys_sendmsg (net/socket.c:2799)
[  681.315374][T15445]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  681.315377][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315378][T15445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.315380][T15445]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  681.315382][T15445]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  681.315384][T15445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  681.315386][T15445] RIP: 0033:0x7fd3a984254e
[  681.315388][T15445] 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
[  681.315390][T15445] RSP: 002b:00007fff05fd67a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  681.315393][T15445] RAX: ffffffffffffffda RBX: 00007fff05fd6f68 RCX: 00007fd3a984254e
[  681.315395][T15445] RDX: 0000000000000000 RSI: 00007fff05fd6850 RDI: 0000000000000005
[  681.315396][T15445] RBP: 00007fff05fd67b0 R08: 0000000000000000 R09: 0000000000000000
[  681.315397][T15445] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb9b
[  681.315398][T15445] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff05fd6f20
| [  682.621107][T15514] softirqs last disabled at (0): 0x0
| [  682.621109][T15514] Preemption disabled at:
| [  682.621109][T15514] vprintk_emit (kernel/printk/printk.c:2471)
| [  682.621119][T15514] Tainted: [W]=WARN
[  682.621121][T15514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  682.621122][T15514] Call Trace:
[  682.621124][T15514]  <TASK>
[  682.621125][T15514]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  682.621131][T15514]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  682.621132][T15514]  __might_resched.cold (kernel/sched/core.c:9234)
[  682.621136][T15514]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  682.621139][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621142][T15514]  __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))
[  682.621145][T15514]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  682.621148][T15514]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  682.621153][T15514]  ? 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)
[  682.621154][T15514]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  682.621157][T15514]  put_chars (drivers/char/virtio_console.c:1176)
[  682.621159][T15514]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  682.621160][T15514]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  682.621162][T15514]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  682.621164][T15514]  ? pointer (lib/vsprintf.c:2577)
[  682.621168][T15514]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  682.621172][T15514]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  682.621174][T15514]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  682.621176][T15514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  682.621178][T15514]  console_emit_next_record (kernel/printk/printk.c:3183)
[  682.621181][T15514]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  682.621183][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621184][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621185][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621186][T15514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  682.621188][T15514]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  682.621190][T15514]  console_flush_one_record (kernel/printk/printk.c:3268)
[  682.621192][T15514]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  682.621195][T15514]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  682.621197][T15514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  682.621199][T15514]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  682.621200][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621201][T15514]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  682.621203][T15514]  ? 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)
[  682.621204][T15514]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  682.621206][T15514]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  682.621208][T15514]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  682.621209][T15514]  vprintk_emit (kernel/printk/printk.c:2479)
[  682.621211][T15514]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  682.621212][T15514]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  682.621215][T15514]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  682.621218][T15514]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  682.621221][T15514]  _printk (kernel/printk/printk.c:2504)
[  682.621223][T15514]  ? snapshot_read.cold (user.c:?)
[  682.621225][T15514]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  682.621228][T15514]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  682.621231][T15514]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  682.621233][T15514]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  682.621236][T15514]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  682.621238][T15514]  ? netdev_notice (net/core/dev.c:13194)
[  682.621240][T15514]  ? 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)
[  682.621242][T15514]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  682.621244][T15514]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  682.621246][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621247][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621248][T15514]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  682.621249][T15514]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  682.621251][T15514]  ? 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)
[  682.621252][T15514]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  682.621254][T15514]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  682.621255][T15514]  ? register_netdev (net/core/dev.c:11618)
[  682.621257][T15514]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  682.621259][T15514]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  682.621261][T15514]  ? __kernel_text_address (kernel/extable.c:79)
[  682.621264][T15514]  ? write_profile (profile.c:?)
[  682.621267][T15514]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  682.621270][T15514]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  682.621272][T15514]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  682.621273][T15514]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  682.621275][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621276][T15514]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  682.621279][T15514]  ? kasan_save_stack (mm/kasan/common.c:58)
[  682.621281][T15514]  ? kasan_save_stack (mm/kasan/common.c:57)
[  682.621282][T15514]  ? kasan_save_track (mm/kasan/common.c:78)
[  682.621283][T15514]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  682.621284][T15514]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  682.621285][T15514]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  682.621287][T15514]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  682.621288][T15514]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  682.621291][T15514]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  682.621292][T15514]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  682.621294][T15514]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  682.621296][T15514]  ? ____sys_sendmsg (net/socket.c:2713)
[  682.621298][T15514]  ? ___sys_sendmsg (net/socket.c:2767)
[  682.621299][T15514]  ? __sys_sendmsg (net/socket.c:2799)
[  682.621301][T15514]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  682.621303][T15514]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  682.621305][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621306][T15514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  682.621308][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621309][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621310][T15514]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  682.621312][T15514]  ? __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)
[  682.621313][T15514]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  682.621314][T15514]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  682.621315][T15514]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  682.621317][T15514]  ? nla_get_range_signed (lib/nlattr.c:270)
[  682.621320][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621321][T15514]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  682.621323][T15514]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  682.621325][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621326][T15514]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  682.621327][T15514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  682.621329][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621330][T15514]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  682.621333][T15514]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  682.621334][T15514]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  682.621335][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621337][T15514]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  682.621340][T15514]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  682.621342][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621343][T15514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  682.621345][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621346][T15514]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  682.621348][T15514]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  682.621349][T15514]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  682.621351][T15514]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  682.621352][T15514]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  682.621354][T15514]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  682.621356][T15514]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  682.621357][T15514]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  682.621359][T15514]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  682.621361][T15514]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  682.621364][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621365][T15514]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  682.621367][T15514]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  682.621369][T15514]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  682.621371][T15514]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  682.621373][T15514]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  682.621375][T15514]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  682.621377][T15514]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  682.621378][T15514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  682.621380][T15514]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  682.621383][T15514]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  682.621385][T15514]  ____sys_sendmsg (net/socket.c:2713)
[  682.621386][T15514]  ? copy_msghdr_from_user (net/socket.c:2650)
[  682.621388][T15514]  ? sock_write_iter (net/socket.c:1269)
[  682.621389][T15514]  ? move_addr_to_kernel (net/socket.c:258)
[  682.621391][T15514]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  682.621394][T15514]  ___sys_sendmsg (net/socket.c:2767)
[  682.621395][T15514]  ? copy_msghdr_from_user (net/socket.c:2619)
[  682.621400][T15514]  __sys_sendmsg (net/socket.c:2799)
[  682.621402][T15514]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  682.621405][T15514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  682.621406][T15514]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  682.621408][T15514]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  682.621410][T15514]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  682.621411][T15514] RIP: 0033:0x7f82f73c754e
[  682.621413][T15514] 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
[  682.621415][T15514] RSP: 002b:00007fffdd023f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  682.621418][T15514] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f82f73c754e
[  682.621420][T15514] RDX: 0000000000000000 RSI: 00007fffdd024010 RDI: 0000000000000005
[  682.621421][T15514] RBP: 00007fffdd023f70 R08: 0000000000000000 R09: 0000000000000000
[  682.621422][T15514] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb9c
[  682.621422][T15514] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdd0246d0
| [  683.662290][T15564] softirqs last disabled at (0): 0x0
| [  683.662292][T15564] Preemption disabled at:
| [  683.662292][T15564] vprintk_emit (kernel/printk/printk.c:2471)
| [  683.662303][T15564] Tainted: [W]=WARN
[  683.662304][T15564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  683.662306][T15564] Call Trace:
[  683.662307][T15564]  <TASK>
[  683.662309][T15564]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  683.662314][T15564]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  683.662315][T15564]  __might_resched.cold (kernel/sched/core.c:9234)
[  683.662319][T15564]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  683.662321][T15564]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  683.662325][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662328][T15564]  __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))
[  683.662331][T15564]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  683.662334][T15564]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  683.662338][T15564]  ? 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)
[  683.662340][T15564]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  683.662343][T15564]  put_chars (drivers/char/virtio_console.c:1176)
[  683.662344][T15564]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  683.662346][T15564]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  683.662349][T15564]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  683.662353][T15564]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  683.662355][T15564]  ? vsnprintf (lib/vsprintf.c:2900)
[  683.662358][T15564]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  683.662360][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662361][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662363][T15564]  console_emit_next_record (kernel/printk/printk.c:3183)
[  683.662365][T15564]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  683.662367][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662368][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662370][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662371][T15564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  683.662373][T15564]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  683.662375][T15564]  console_flush_one_record (kernel/printk/printk.c:3268)
[  683.662377][T15564]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  683.662380][T15564]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  683.662382][T15564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  683.662384][T15564]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  683.662385][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662386][T15564]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  683.662388][T15564]  ? 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)
[  683.662389][T15564]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  683.662391][T15564]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  683.662393][T15564]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  683.662394][T15564]  vprintk_emit (kernel/printk/printk.c:2479)
[  683.662396][T15564]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  683.662397][T15564]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  683.662399][T15564]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  683.662402][T15564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  683.662403][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662405][T15564]  _printk (kernel/printk/printk.c:2504)
[  683.662408][T15564]  ? snapshot_read.cold (user.c:?)
[  683.662410][T15564]  ? br_multicast_flood (??:?)
[  683.662413][T15564]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  683.662416][T15564]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  683.662417][T15564]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  683.662419][T15564]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  683.662422][T15564]  br_init_port (net/bridge/br_stp_if.c:39)
[  683.662423][T15564]  new_nbp (net/bridge/br_if.c:449)
[  683.662425][T15564]  br_add_if (net/bridge/br_if.c:592)
[  683.662427][T15564]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  683.662431][T15564]  do_set_master (net/core/rtnetlink.c:3071)
[  683.662433][T15564]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  683.662435][T15564]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  683.662436][T15564]  ? __dev_get_by_name (net/core/dev.c:905)
[  683.662438][T15564]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  683.662442][T15564]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  683.662445][T15564]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  683.662447][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662448][T15564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  683.662449][T15564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  683.662451][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662452][T15564]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  683.662455][T15564]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  683.662457][T15564]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  683.662459][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662460][T15564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  683.662462][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662463][T15564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  683.662464][T15564]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  683.662466][T15564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  683.662467][T15564]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  683.662468][T15564]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  683.662472][T15564]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  683.662475][T15564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  683.662477][T15564]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  683.662478][T15564]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  683.662480][T15564]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  683.662483][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662484][T15564]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  683.662486][T15564]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  683.662488][T15564]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  683.662490][T15564]  ? next_uptodate_folio (mm/filemap.c:3747)
[  683.662493][T15564]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  683.662495][T15564]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  683.662497][T15564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  683.662499][T15564]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  683.662502][T15564]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  683.662505][T15564]  ____sys_sendmsg (net/socket.c:2713)
[  683.662507][T15564]  ? copy_msghdr_from_user (net/socket.c:2650)
[  683.662508][T15564]  ? sock_write_iter (net/socket.c:1269)
[  683.662510][T15564]  ? move_addr_to_kernel (net/socket.c:258)
[  683.662512][T15564]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  683.662514][T15564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  683.662516][T15564]  ___sys_sendmsg (net/socket.c:2767)
[  683.662518][T15564]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  683.662520][T15564]  ? copy_msghdr_from_user (net/socket.c:2619)
[  683.662521][T15564]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  683.662526][T15564]  __sys_sendmsg (net/socket.c:2799)
[  683.662528][T15564]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  683.662530][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662531][T15564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.662533][T15564]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  683.662535][T15564]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  683.662537][T15564]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  683.662539][T15564] RIP: 0033:0x7f13a57cb54e
[  683.662541][T15564] 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
[  683.662543][T15564] RSP: 002b:00007ffe868e8570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  683.662547][T15564] RAX: ffffffffffffffda RBX: 00007ffe868e8d38 RCX: 00007f13a57cb54e
[  683.662548][T15564] RDX: 0000000000000000 RSI: 00007ffe868e8620 RDI: 0000000000000005
[  683.662549][T15564] RBP: 00007ffe868e8580 R08: 0000000000000000 R09: 0000000000000000
[  683.662550][T15564] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eb9e
[  683.662551][T15564] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe868e8cf0
| [  693.183573][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  693.183576][   T12] Preemption disabled at:
| [  693.183577][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  693.183588][   T12] Tainted: [W]=WARN
[  693.183589][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  693.183592][   T12] Workqueue: netns cleanup_net
[  693.183598][   T12] Call Trace:
[  693.183599][   T12]  <TASK>
[  693.183601][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  693.183607][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  693.183608][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  693.183612][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  693.183614][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  693.183618][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.183620][   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))
[  693.183623][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  693.183626][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  693.183631][   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)
[  693.183633][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  693.183636][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  693.183638][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  693.183640][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  693.183642][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  693.183652][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  693.183654][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  693.183657][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  693.183658][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.183660][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.183661][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  693.183664][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  693.183666][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.183668][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.183669][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.183670][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  693.183672][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  693.183674][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  693.183677][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  693.183680][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  693.183682][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  693.183683][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  693.183685][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.183686][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  693.183688][   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)
[  693.183689][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  693.183691][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  693.183693][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  693.183694][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  693.183696][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  693.183698][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  693.183699][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  693.183702][   T12]  ? kthread (kernel/kthread.c:436)
[  693.183704][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  693.183707][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  693.183710][   T12]  _printk (kernel/printk/printk.c:2504)
[  693.183713][   T12]  ? snapshot_read.cold (user.c:?)
[  693.183716][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  693.183719][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  693.183721][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  693.183724][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  693.183726][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.183727][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  693.183729][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  693.183732][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  693.183734][   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)
[  693.183735][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  693.183738][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  693.183741][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  693.183745][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  693.183747][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  693.183750][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  693.183752][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  693.183754][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  693.183757][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  693.183759][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  693.183762][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  693.183763][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.183765][   T12]  process_one_work (kernel/workqueue.c:3387)
[  693.183769][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  693.183771][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  693.183774][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  693.183778][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  693.183780][   T12]  kthread (kernel/kthread.c:436)
[  693.183781][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  693.183783][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  693.183785][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  693.183787][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  693.183790][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  693.183793][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  693.183795][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  694.419777][T15820] softirqs last disabled at (0): 0x0
| [  694.419779][T15820] Preemption disabled at:
| [  694.419780][T15820] vprintk_emit (kernel/printk/printk.c:2471)
| [  694.419789][T15820] Tainted: [W]=WARN
[  694.419791][T15820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  694.419793][T15820] Call Trace:
[  694.419794][T15820]  <TASK>
[  694.419795][T15820]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  694.419801][T15820]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  694.419802][T15820]  __might_resched.cold (kernel/sched/core.c:9234)
[  694.419806][T15820]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  694.419808][T15820]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  694.419812][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419814][T15820]  __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))
[  694.419817][T15820]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  694.419820][T15820]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  694.419825][T15820]  ? 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)
[  694.419827][T15820]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  694.419829][T15820]  put_chars (drivers/char/virtio_console.c:1176)
[  694.419831][T15820]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  694.419833][T15820]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  694.419835][T15820]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  694.419840][T15820]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  694.419842][T15820]  ? vsnprintf (lib/vsprintf.c:2900)
[  694.419845][T15820]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  694.419847][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419848][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419850][T15820]  console_emit_next_record (kernel/printk/printk.c:3183)
[  694.419852][T15820]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  694.419854][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419855][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419856][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419858][T15820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  694.419860][T15820]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  694.419862][T15820]  console_flush_one_record (kernel/printk/printk.c:3268)
[  694.419864][T15820]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  694.419867][T15820]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  694.419869][T15820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  694.419871][T15820]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  694.419872][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419873][T15820]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  694.419875][T15820]  ? 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)
[  694.419876][T15820]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  694.419878][T15820]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  694.419880][T15820]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  694.419881][T15820]  vprintk_emit (kernel/printk/printk.c:2479)
[  694.419883][T15820]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  694.419884][T15820]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  694.419886][T15820]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  694.419889][T15820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  694.419890][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419892][T15820]  _printk (kernel/printk/printk.c:2504)
[  694.419895][T15820]  ? snapshot_read.cold (user.c:?)
[  694.419897][T15820]  ? br_multicast_flood (??:?)
[  694.419900][T15820]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  694.419903][T15820]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  694.419904][T15820]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  694.419906][T15820]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  694.419909][T15820]  br_init_port (net/bridge/br_stp_if.c:39)
[  694.419910][T15820]  new_nbp (net/bridge/br_if.c:449)
[  694.419913][T15820]  br_add_if (net/bridge/br_if.c:592)
[  694.419915][T15820]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  694.419919][T15820]  do_set_master (net/core/rtnetlink.c:3071)
[  694.419920][T15820]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  694.419922][T15820]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  694.419923][T15820]  ? __dev_get_by_name (net/core/dev.c:905)
[  694.419925][T15820]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  694.419929][T15820]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  694.419932][T15820]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  694.419934][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419935][T15820]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  694.419937][T15820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  694.419942][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419944][T15820]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  694.419946][T15820]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  694.419948][T15820]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  694.419951][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419952][T15820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  694.419954][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419955][T15820]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  694.419956][T15820]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  694.419958][T15820]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  694.419960][T15820]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  694.419961][T15820]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  694.419965][T15820]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  694.419968][T15820]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  694.419969][T15820]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  694.419971][T15820]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  694.419973][T15820]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  694.419976][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.419977][T15820]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  694.419979][T15820]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  694.419981][T15820]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  694.419983][T15820]  ? next_uptodate_folio (mm/filemap.c:3747)
[  694.419986][T15820]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  694.419988][T15820]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  694.419990][T15820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  694.419992][T15820]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  694.419995][T15820]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  694.419998][T15820]  ____sys_sendmsg (net/socket.c:2713)
[  694.419999][T15820]  ? copy_msghdr_from_user (net/socket.c:2650)
[  694.420001][T15820]  ? sock_write_iter (net/socket.c:1269)
[  694.420003][T15820]  ? move_addr_to_kernel (net/socket.c:258)
[  694.420005][T15820]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  694.420007][T15820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  694.420009][T15820]  ___sys_sendmsg (net/socket.c:2767)
[  694.420011][T15820]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  694.420012][T15820]  ? copy_msghdr_from_user (net/socket.c:2619)
[  694.420014][T15820]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  694.420018][T15820]  __sys_sendmsg (net/socket.c:2799)
[  694.420021][T15820]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  694.420023][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.420024][T15820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.420026][T15820]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  694.420028][T15820]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  694.420030][T15820]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  694.420032][T15820] RIP: 0033:0x7f57d435954e
[  694.420034][T15820] 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
[  694.420036][T15820] RSP: 002b:00007ffc2b56d1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  694.420040][T15820] RAX: ffffffffffffffda RBX: 00007ffc2b56d988 RCX: 00007f57d435954e
[  694.420041][T15820] RDX: 0000000000000000 RSI: 00007ffc2b56d270 RDI: 0000000000000005
[  694.420042][T15820] RBP: 00007ffc2b56d1d0 R08: 0000000000000000 R09: 0000000000000000
[  694.420043][T15820] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eba8
[  694.420044][T15820] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2b56d940
| [  695.707462][T15890] softirqs last disabled at (0): 0x0
| [  695.707464][T15890] Preemption disabled at:
| [  695.707465][T15890] vprintk_emit (kernel/printk/printk.c:2471)
| [  695.707475][T15890] Tainted: [W]=WARN
[  695.707476][T15890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  695.707478][T15890] Call Trace:
[  695.707479][T15890]  <TASK>
[  695.707480][T15890]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  695.707486][T15890]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  695.707487][T15890]  __might_resched.cold (kernel/sched/core.c:9234)
[  695.707491][T15890]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  695.707494][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707497][T15890]  __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))
[  695.707500][T15890]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  695.707503][T15890]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  695.707508][T15890]  ? 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)
[  695.707510][T15890]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  695.707512][T15890]  put_chars (drivers/char/virtio_console.c:1176)
[  695.707514][T15890]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  695.707515][T15890]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  695.707518][T15890]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  695.707520][T15890]  ? pointer (lib/vsprintf.c:2577)
[  695.707523][T15890]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  695.707528][T15890]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  695.707529][T15890]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  695.707531][T15890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.707534][T15890]  console_emit_next_record (kernel/printk/printk.c:3183)
[  695.707536][T15890]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  695.707539][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707540][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707541][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707542][T15890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.707544][T15890]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  695.707546][T15890]  console_flush_one_record (kernel/printk/printk.c:3268)
[  695.707548][T15890]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  695.707551][T15890]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  695.707553][T15890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.707555][T15890]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  695.707556][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707557][T15890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  695.707559][T15890]  ? 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)
[  695.707561][T15890]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  695.707562][T15890]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  695.707564][T15890]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  695.707565][T15890]  vprintk_emit (kernel/printk/printk.c:2479)
[  695.707567][T15890]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  695.707569][T15890]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  695.707571][T15890]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  695.707574][T15890]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  695.707577][T15890]  _printk (kernel/printk/printk.c:2504)
[  695.707580][T15890]  ? snapshot_read.cold (user.c:?)
[  695.707582][T15890]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  695.707584][T15890]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  695.707587][T15890]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  695.707589][T15890]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  695.707592][T15890]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  695.707595][T15890]  ? netdev_notice (net/core/dev.c:13194)
[  695.707597][T15890]  ? 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)
[  695.707599][T15890]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  695.707601][T15890]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  695.707603][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707604][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707605][T15890]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  695.707606][T15890]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  695.707608][T15890]  ? 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)
[  695.707609][T15890]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  695.707610][T15890]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  695.707612][T15890]  ? register_netdev (net/core/dev.c:11618)
[  695.707613][T15890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  695.707615][T15890]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  695.707618][T15890]  ? __kernel_text_address (kernel/extable.c:79)
[  695.707620][T15890]  ? write_profile (profile.c:?)
[  695.707623][T15890]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  695.707626][T15890]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  695.707628][T15890]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  695.707630][T15890]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  695.707631][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707632][T15890]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  695.707636][T15890]  ? kasan_save_stack (mm/kasan/common.c:58)
[  695.707637][T15890]  ? kasan_save_stack (mm/kasan/common.c:57)
[  695.707638][T15890]  ? kasan_save_track (mm/kasan/common.c:78)
[  695.707640][T15890]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  695.707641][T15890]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  695.707642][T15890]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  695.707643][T15890]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  695.707648][T15890]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  695.707651][T15890]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  695.707652][T15890]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  695.707654][T15890]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  695.707656][T15890]  ? ____sys_sendmsg (net/socket.c:2713)
[  695.707658][T15890]  ? ___sys_sendmsg (net/socket.c:2767)
[  695.707659][T15890]  ? __sys_sendmsg (net/socket.c:2799)
[  695.707661][T15890]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  695.707663][T15890]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  695.707666][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707667][T15890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.707668][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707669][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707670][T15890]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  695.707672][T15890]  ? __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)
[  695.707673][T15890]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  695.707674][T15890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  695.707676][T15890]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  695.707677][T15890]  ? nla_get_range_signed (lib/nlattr.c:270)
[  695.707680][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707681][T15890]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  695.707684][T15890]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  695.707686][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707687][T15890]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  695.707689][T15890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.707691][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707693][T15890]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  695.707695][T15890]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  695.707696][T15890]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  695.707698][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707699][T15890]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  695.707702][T15890]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  695.707705][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707706][T15890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.707707][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707708][T15890]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  695.707710][T15890]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  695.707711][T15890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  695.707713][T15890]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  695.707715][T15890]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  695.707717][T15890]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  695.707719][T15890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  695.707720][T15890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  695.707722][T15890]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  695.707723][T15890]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  695.707726][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707728][T15890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  695.707730][T15890]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  695.707732][T15890]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  695.707734][T15890]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  695.707736][T15890]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  695.707738][T15890]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  695.707740][T15890]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  695.707741][T15890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.707743][T15890]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  695.707746][T15890]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  695.707748][T15890]  ____sys_sendmsg (net/socket.c:2713)
[  695.707750][T15890]  ? copy_msghdr_from_user (net/socket.c:2650)
[  695.707751][T15890]  ? sock_write_iter (net/socket.c:1269)
[  695.707753][T15890]  ? move_addr_to_kernel (net/socket.c:258)
[  695.707754][T15890]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  695.707757][T15890]  ___sys_sendmsg (net/socket.c:2767)
[  695.707759][T15890]  ? copy_msghdr_from_user (net/socket.c:2619)
[  695.707764][T15890]  __sys_sendmsg (net/socket.c:2799)
[  695.707766][T15890]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  695.707768][T15890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.707770][T15890]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  695.707772][T15890]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  695.707774][T15890]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  695.707775][T15890] RIP: 0033:0x7fd30960a54e
[  695.707777][T15890] 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
[  695.707779][T15890] RSP: 002b:00007ffec69af650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  695.707782][T15890] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd30960a54e
[  695.707783][T15890] RDX: 0000000000000000 RSI: 00007ffec69af700 RDI: 0000000000000005
[  695.707784][T15890] RBP: 00007ffec69af660 R08: 0000000000000000 R09: 0000000000000000
[  695.707785][T15890] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebaa
[  695.707786][T15890] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec69afdc0
| [  696.814757][T15947] softirqs last disabled at (0): 0x0
| [  696.814759][T15947] Preemption disabled at:
| [  696.814760][T15947] vprintk_emit (kernel/printk/printk.c:2471)
| [  696.814770][T15947] Tainted: [W]=WARN
[  696.814771][T15947] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  696.814773][T15947] Call Trace:
[  696.814775][T15947]  <TASK>
[  696.814776][T15947]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  696.814782][T15947]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  696.814783][T15947]  __might_resched.cold (kernel/sched/core.c:9234)
[  696.814787][T15947]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  696.814789][T15947]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  696.814793][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814795][T15947]  __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))
[  696.814798][T15947]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  696.814801][T15947]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  696.814806][T15947]  ? 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)
[  696.814808][T15947]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  696.814811][T15947]  put_chars (drivers/char/virtio_console.c:1176)
[  696.814812][T15947]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  696.814814][T15947]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  696.814817][T15947]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  696.814821][T15947]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  696.814823][T15947]  ? vsnprintf (lib/vsprintf.c:2900)
[  696.814826][T15947]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  696.814828][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814829][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814830][T15947]  console_emit_next_record (kernel/printk/printk.c:3183)
[  696.814833][T15947]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  696.814835][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814836][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814837][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814839][T15947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.814841][T15947]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  696.814843][T15947]  console_flush_one_record (kernel/printk/printk.c:3268)
[  696.814845][T15947]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  696.814848][T15947]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  696.814850][T15947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.814852][T15947]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  696.814853][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814854][T15947]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  696.814856][T15947]  ? 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)
[  696.814857][T15947]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  696.814859][T15947]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  696.814861][T15947]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  696.814862][T15947]  vprintk_emit (kernel/printk/printk.c:2479)
[  696.814864][T15947]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  696.814866][T15947]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  696.814868][T15947]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  696.814871][T15947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.814872][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814874][T15947]  _printk (kernel/printk/printk.c:2504)
[  696.814877][T15947]  ? snapshot_read.cold (user.c:?)
[  696.814879][T15947]  ? br_multicast_flood (??:?)
[  696.814882][T15947]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  696.814885][T15947]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  696.814886][T15947]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  696.814888][T15947]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  696.814891][T15947]  br_init_port (net/bridge/br_stp_if.c:39)
[  696.814893][T15947]  new_nbp (net/bridge/br_if.c:449)
[  696.814895][T15947]  br_add_if (net/bridge/br_if.c:592)
[  696.814897][T15947]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  696.814901][T15947]  do_set_master (net/core/rtnetlink.c:3071)
[  696.814903][T15947]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  696.814904][T15947]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  696.814906][T15947]  ? __dev_get_by_name (net/core/dev.c:905)
[  696.814908][T15947]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  696.814912][T15947]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  696.814914][T15947]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  696.814916][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814917][T15947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  696.814919][T15947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.814920][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814922][T15947]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  696.814924][T15947]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  696.814926][T15947]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  696.814929][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814930][T15947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.814931][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814932][T15947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  696.814934][T15947]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  696.814936][T15947]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  696.814937][T15947]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  696.814939][T15947]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  696.814943][T15947]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  696.814950][T15947]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  696.814952][T15947]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  696.814954][T15947]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  696.814955][T15947]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  696.814959][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.814960][T15947]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  696.814962][T15947]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  696.814964][T15947]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  696.814966][T15947]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  696.814969][T15947]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  696.814972][T15947]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  696.814974][T15947]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  696.814976][T15947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.814977][T15947]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  696.814981][T15947]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  696.814984][T15947]  ____sys_sendmsg (net/socket.c:2713)
[  696.814985][T15947]  ? copy_msghdr_from_user (net/socket.c:2650)
[  696.814987][T15947]  ? sock_write_iter (net/socket.c:1269)
[  696.814989][T15947]  ? move_addr_to_kernel (net/socket.c:258)
[  696.814991][T15947]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  696.814994][T15947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.814996][T15947]  ___sys_sendmsg (net/socket.c:2767)
[  696.814997][T15947]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  696.814999][T15947]  ? copy_msghdr_from_user (net/socket.c:2619)
[  696.815001][T15947]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  696.815005][T15947]  __sys_sendmsg (net/socket.c:2799)
[  696.815007][T15947]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  696.815010][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.815011][T15947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.815012][T15947]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  696.815015][T15947]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  696.815017][T15947]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  696.815019][T15947] RIP: 0033:0x7ffa074fe54e
[  696.815021][T15947] 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
[  696.815023][T15947] RSP: 002b:00007ffd093f9ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  696.815026][T15947] RAX: ffffffffffffffda RBX: 00007ffd093fa368 RCX: 00007ffa074fe54e
[  696.815028][T15947] RDX: 0000000000000000 RSI: 00007ffd093f9c50 RDI: 0000000000000005
[  696.815029][T15947] RBP: 00007ffd093f9bb0 R08: 0000000000000000 R09: 0000000000000000
[  696.815030][T15947] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebab
[  696.815031][T15947] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd093fa320
| [  703.310834][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  703.310837][   T12] Preemption disabled at:
| [  703.310837][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  703.310848][   T12] Tainted: [W]=WARN
[  703.310849][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  703.310851][   T12] Workqueue: netns cleanup_net
[  703.310857][   T12] Call Trace:
[  703.310859][   T12]  <TASK>
[  703.310860][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  703.310866][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  703.310867][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  703.310871][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  703.310874][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  703.310877][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  703.310879][   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))
[  703.310882][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  703.310885][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  703.310890][   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)
[  703.310892][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  703.310895][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  703.310896][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  703.310898][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  703.310901][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  703.310906][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  703.310908][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  703.310910][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  703.310912][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  703.310913][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  703.310915][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  703.310917][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  703.310919][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  703.310920][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  703.310921][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  703.310922][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  703.310925][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  703.310927][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  703.310929][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  703.310932][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  703.310934][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  703.310935][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  703.310937][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  703.310938][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  703.310940][   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)
[  703.310942][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  703.310943][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  703.310945][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  703.310946][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  703.310948][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  703.310949][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  703.310951][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  703.310954][   T12]  ? kthread (kernel/kthread.c:436)
[  703.310956][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  703.310959][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  703.310961][   T12]  _printk (kernel/printk/printk.c:2504)
[  703.310964][   T12]  ? snapshot_read.cold (user.c:?)
[  703.310967][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  703.310975][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  703.310977][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  703.310979][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  703.310981][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  703.310983][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  703.310984][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  703.310987][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  703.310988][   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)
[  703.310990][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  703.310993][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  703.310995][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  703.310999][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  703.311001][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  703.311004][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  703.311006][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  703.311008][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  703.311011][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  703.311012][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  703.311014][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  703.311016][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  703.311018][   T12]  process_one_work (kernel/workqueue.c:3387)
[  703.311021][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  703.311023][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  703.311026][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  703.311029][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  703.311031][   T12]  kthread (kernel/kthread.c:436)
[  703.311032][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  703.311034][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  703.311036][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  703.311038][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  703.311039][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  703.311043][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  703.311044][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  704.504054][T16099] softirqs last disabled at (0): 0x0
| [  704.504056][T16099] Preemption disabled at:
| [  704.504056][T16099] vprintk_emit (kernel/printk/printk.c:2471)
| [  704.504066][T16099] Tainted: [W]=WARN
[  704.504067][T16099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  704.504069][T16099] Call Trace:
[  704.504071][T16099]  <TASK>
[  704.504072][T16099]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  704.504078][T16099]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  704.504079][T16099]  __might_resched.cold (kernel/sched/core.c:9234)
[  704.504083][T16099]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  704.504086][T16099]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  704.504089][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504092][T16099]  __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))
[  704.504095][T16099]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  704.504098][T16099]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  704.504103][T16099]  ? 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)
[  704.504104][T16099]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  704.504107][T16099]  put_chars (drivers/char/virtio_console.c:1176)
[  704.504109][T16099]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  704.504110][T16099]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  704.504113][T16099]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  704.504117][T16099]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  704.504119][T16099]  ? vsnprintf (lib/vsprintf.c:2900)
[  704.504122][T16099]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  704.504124][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504125][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504127][T16099]  console_emit_next_record (kernel/printk/printk.c:3183)
[  704.504130][T16099]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  704.504132][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504133][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504134][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504135][T16099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.504138][T16099]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  704.504139][T16099]  console_flush_one_record (kernel/printk/printk.c:3268)
[  704.504142][T16099]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  704.504145][T16099]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  704.504147][T16099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.504148][T16099]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  704.504150][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504151][T16099]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  704.504153][T16099]  ? 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)
[  704.504154][T16099]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  704.504156][T16099]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  704.504158][T16099]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  704.504159][T16099]  vprintk_emit (kernel/printk/printk.c:2479)
[  704.504161][T16099]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  704.504163][T16099]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  704.504164][T16099]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  704.504167][T16099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.504169][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504170][T16099]  _printk (kernel/printk/printk.c:2504)
[  704.504173][T16099]  ? snapshot_read.cold (user.c:?)
[  704.504175][T16099]  ? br_multicast_flood (??:?)
[  704.504179][T16099]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  704.504182][T16099]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  704.504183][T16099]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  704.504185][T16099]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  704.504188][T16099]  br_init_port (net/bridge/br_stp_if.c:39)
[  704.504189][T16099]  new_nbp (net/bridge/br_if.c:449)
[  704.504191][T16099]  br_add_if (net/bridge/br_if.c:592)
[  704.504193][T16099]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  704.504197][T16099]  do_set_master (net/core/rtnetlink.c:3071)
[  704.504199][T16099]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  704.504201][T16099]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  704.504202][T16099]  ? __dev_get_by_name (net/core/dev.c:905)
[  704.504204][T16099]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  704.504208][T16099]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  704.504211][T16099]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  704.504213][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504214][T16099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  704.504215][T16099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.504217][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504218][T16099]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  704.504221][T16099]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  704.504223][T16099]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  704.504225][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504226][T16099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.504228][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504229][T16099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  704.504230][T16099]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  704.504232][T16099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  704.504233][T16099]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  704.504235][T16099]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  704.504239][T16099]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  704.504242][T16099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  704.504243][T16099]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  704.504245][T16099]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  704.504247][T16099]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  704.504249][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504251][T16099]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  704.504253][T16099]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  704.504255][T16099]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  704.504257][T16099]  ? next_uptodate_folio (mm/filemap.c:3747)
[  704.504260][T16099]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  704.504262][T16099]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  704.504264][T16099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.504266][T16099]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  704.504269][T16099]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  704.504272][T16099]  ____sys_sendmsg (net/socket.c:2713)
[  704.504274][T16099]  ? copy_msghdr_from_user (net/socket.c:2650)
[  704.504275][T16099]  ? sock_write_iter (net/socket.c:1269)
[  704.504277][T16099]  ? move_addr_to_kernel (net/socket.c:258)
[  704.504279][T16099]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  704.504282][T16099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.504284][T16099]  ___sys_sendmsg (net/socket.c:2767)
[  704.504285][T16099]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  704.504287][T16099]  ? copy_msghdr_from_user (net/socket.c:2619)
[  704.504289][T16099]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  704.504293][T16099]  __sys_sendmsg (net/socket.c:2799)
[  704.504295][T16099]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  704.504298][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504299][T16099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.504301][T16099]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  704.504303][T16099]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  704.504305][T16099]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  704.504307][T16099] RIP: 0033:0x7fa336f0554e
[  704.504309][T16099] 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
[  704.504311][T16099] RSP: 002b:00007fffa0ed3940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  704.504314][T16099] RAX: ffffffffffffffda RBX: 00007fffa0ed4108 RCX: 00007fa336f0554e
[  704.504316][T16099] RDX: 0000000000000000 RSI: 00007fffa0ed39f0 RDI: 0000000000000005
[  704.504317][T16099] RBP: 00007fffa0ed3950 R08: 0000000000000000 R09: 0000000000000000
[  704.504318][T16099] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebb2
[  704.504319][T16099] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa0ed40c0
| [  705.909548][T16168] softirqs last disabled at (0): 0x0
| [  705.909550][T16168] Preemption disabled at:
| [  705.909551][T16168] vprintk_emit (kernel/printk/printk.c:2471)
| [  705.909562][T16168] Tainted: [W]=WARN
[  705.909563][T16168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  705.909565][T16168] Call Trace:
[  705.909566][T16168]  <TASK>
[  705.909567][T16168]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  705.909573][T16168]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  705.909574][T16168]  __might_resched.cold (kernel/sched/core.c:9234)
[  705.909579][T16168]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  705.909582][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909585][T16168]  __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))
[  705.909588][T16168]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  705.909591][T16168]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  705.909596][T16168]  ? 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)
[  705.909598][T16168]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  705.909600][T16168]  put_chars (drivers/char/virtio_console.c:1176)
[  705.909602][T16168]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  705.909603][T16168]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  705.909605][T16168]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  705.909608][T16168]  ? pointer (lib/vsprintf.c:2577)
[  705.909611][T16168]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  705.909616][T16168]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  705.909617][T16168]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  705.909619][T16168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.909622][T16168]  console_emit_next_record (kernel/printk/printk.c:3183)
[  705.909625][T16168]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  705.909627][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909628][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909629][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909630][T16168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.909632][T16168]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  705.909634][T16168]  console_flush_one_record (kernel/printk/printk.c:3268)
[  705.909636][T16168]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  705.909639][T16168]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  705.909641][T16168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.909643][T16168]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  705.909645][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909648][T16168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  705.909649][T16168]  ? 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)
[  705.909651][T16168]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  705.909653][T16168]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  705.909655][T16168]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  705.909657][T16168]  vprintk_emit (kernel/printk/printk.c:2479)
[  705.909659][T16168]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  705.909660][T16168]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  705.909663][T16168]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  705.909666][T16168]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  705.909669][T16168]  _printk (kernel/printk/printk.c:2504)
[  705.909672][T16168]  ? snapshot_read.cold (user.c:?)
[  705.909674][T16168]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  705.909676][T16168]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  705.909679][T16168]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  705.909681][T16168]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  705.909685][T16168]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  705.909687][T16168]  ? netdev_notice (net/core/dev.c:13194)
[  705.909689][T16168]  ? 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)
[  705.909691][T16168]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  705.909694][T16168]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  705.909695][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909697][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909698][T16168]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  705.909699][T16168]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  705.909701][T16168]  ? 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)
[  705.909702][T16168]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  705.909704][T16168]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  705.909705][T16168]  ? register_netdev (net/core/dev.c:11618)
[  705.909707][T16168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  705.909709][T16168]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  705.909711][T16168]  ? __kernel_text_address (kernel/extable.c:79)
[  705.909714][T16168]  ? write_profile (profile.c:?)
[  705.909717][T16168]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  705.909721][T16168]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  705.909723][T16168]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  705.909724][T16168]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  705.909725][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909726][T16168]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  705.909730][T16168]  ? kasan_save_stack (mm/kasan/common.c:58)
[  705.909732][T16168]  ? kasan_save_stack (mm/kasan/common.c:57)
[  705.909733][T16168]  ? kasan_save_track (mm/kasan/common.c:78)
[  705.909734][T16168]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  705.909736][T16168]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  705.909737][T16168]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  705.909738][T16168]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  705.909740][T16168]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  705.909742][T16168]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  705.909744][T16168]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  705.909746][T16168]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  705.909748][T16168]  ? ____sys_sendmsg (net/socket.c:2713)
[  705.909750][T16168]  ? ___sys_sendmsg (net/socket.c:2767)
[  705.909751][T16168]  ? __sys_sendmsg (net/socket.c:2799)
[  705.909753][T16168]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  705.909755][T16168]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  705.909758][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909759][T16168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.909760][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909761][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909762][T16168]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  705.909764][T16168]  ? __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)
[  705.909765][T16168]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  705.909766][T16168]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  705.909768][T16168]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  705.909769][T16168]  ? nla_get_range_signed (lib/nlattr.c:270)
[  705.909772][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909773][T16168]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  705.909775][T16168]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  705.909777][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909779][T16168]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  705.909780][T16168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.909781][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909783][T16168]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  705.909786][T16168]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  705.909787][T16168]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  705.909789][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909790][T16168]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  705.909793][T16168]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  705.909795][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909797][T16168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.909798][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909799][T16168]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  705.909801][T16168]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  705.909802][T16168]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  705.909804][T16168]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  705.909805][T16168]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  705.909808][T16168]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  705.909810][T16168]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  705.909811][T16168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  705.909813][T16168]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  705.909814][T16168]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  705.909818][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909819][T16168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  705.909821][T16168]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  705.909823][T16168]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  705.909825][T16168]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  705.909827][T16168]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  705.909829][T16168]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  705.909831][T16168]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  705.909832][T16168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.909834][T16168]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  705.909837][T16168]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  705.909839][T16168]  ____sys_sendmsg (net/socket.c:2713)
[  705.909841][T16168]  ? copy_msghdr_from_user (net/socket.c:2650)
[  705.909842][T16168]  ? sock_write_iter (net/socket.c:1269)
[  705.909844][T16168]  ? move_addr_to_kernel (net/socket.c:258)
[  705.909845][T16168]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  705.909848][T16168]  ___sys_sendmsg (net/socket.c:2767)
[  705.909850][T16168]  ? copy_msghdr_from_user (net/socket.c:2619)
[  705.909855][T16168]  __sys_sendmsg (net/socket.c:2799)
[  705.909857][T16168]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  705.909860][T16168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.909861][T16168]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  705.909863][T16168]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  705.909865][T16168]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  705.909866][T16168] RIP: 0033:0x7f4ef92d554e
[  705.909868][T16168] 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
[  705.909870][T16168] RSP: 002b:00007ffc70528840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  705.909874][T16168] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4ef92d554e
[  705.909875][T16168] RDX: 0000000000000000 RSI: 00007ffc705288f0 RDI: 0000000000000005
[  705.909876][T16168] RBP: 00007ffc70528850 R08: 0000000000000000 R09: 0000000000000000
[  705.909877][T16168] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebb4
[  705.909878][T16168] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc70528fb0
| [  706.951319][T16218] softirqs last disabled at (0): 0x0
| [  706.951321][T16218] Preemption disabled at:
| [  706.951322][T16218] vprintk_emit (kernel/printk/printk.c:2471)
| [  706.951332][T16218] Tainted: [W]=WARN
[  706.951333][T16218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  706.951334][T16218] Call Trace:
[  706.951336][T16218]  <TASK>
[  706.951337][T16218]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  706.951343][T16218]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  706.951344][T16218]  __might_resched.cold (kernel/sched/core.c:9234)
[  706.951348][T16218]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  706.951350][T16218]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  706.951354][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951356][T16218]  __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))
[  706.951359][T16218]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  706.951362][T16218]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  706.951367][T16218]  ? 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)
[  706.951369][T16218]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  706.951371][T16218]  put_chars (drivers/char/virtio_console.c:1176)
[  706.951373][T16218]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  706.951374][T16218]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  706.951377][T16218]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  706.951382][T16218]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  706.951384][T16218]  ? vsnprintf (lib/vsprintf.c:2900)
[  706.951387][T16218]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  706.951389][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951390][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951392][T16218]  console_emit_next_record (kernel/printk/printk.c:3183)
[  706.951394][T16218]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  706.951396][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951397][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951398][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951400][T16218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  706.951402][T16218]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  706.951404][T16218]  console_flush_one_record (kernel/printk/printk.c:3268)
[  706.951406][T16218]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  706.951409][T16218]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  706.951411][T16218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  706.951413][T16218]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  706.951415][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951416][T16218]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  706.951417][T16218]  ? 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)
[  706.951419][T16218]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  706.951420][T16218]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  706.951422][T16218]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  706.951424][T16218]  vprintk_emit (kernel/printk/printk.c:2479)
[  706.951425][T16218]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  706.951427][T16218]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  706.951428][T16218]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  706.951431][T16218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  706.951433][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951434][T16218]  _printk (kernel/printk/printk.c:2504)
[  706.951437][T16218]  ? snapshot_read.cold (user.c:?)
[  706.951439][T16218]  ? br_multicast_flood (??:?)
[  706.951442][T16218]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  706.951445][T16218]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  706.951446][T16218]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  706.951448][T16218]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  706.951451][T16218]  br_init_port (net/bridge/br_stp_if.c:39)
[  706.951452][T16218]  new_nbp (net/bridge/br_if.c:449)
[  706.951454][T16218]  br_add_if (net/bridge/br_if.c:592)
[  706.951456][T16218]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  706.951461][T16218]  do_set_master (net/core/rtnetlink.c:3071)
[  706.951463][T16218]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  706.951464][T16218]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  706.951466][T16218]  ? __dev_get_by_name (net/core/dev.c:905)
[  706.951467][T16218]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  706.951472][T16218]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  706.951474][T16218]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  706.951476][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951477][T16218]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  706.951479][T16218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  706.951480][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951482][T16218]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  706.951484][T16218]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  706.951486][T16218]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  706.951489][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951490][T16218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  706.951491][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951492][T16218]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  706.951494][T16218]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  706.951496][T16218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  706.951497][T16218]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  706.951498][T16218]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  706.951502][T16218]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  706.951506][T16218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  706.951507][T16218]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  706.951509][T16218]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  706.951510][T16218]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  706.951513][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951515][T16218]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  706.951517][T16218]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  706.951519][T16218]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  706.951521][T16218]  ? next_uptodate_folio (mm/filemap.c:3747)
[  706.951524][T16218]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  706.951526][T16218]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  706.951528][T16218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  706.951530][T16218]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  706.951533][T16218]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  706.951536][T16218]  ____sys_sendmsg (net/socket.c:2713)
[  706.951537][T16218]  ? copy_msghdr_from_user (net/socket.c:2650)
[  706.951539][T16218]  ? sock_write_iter (net/socket.c:1269)
[  706.951541][T16218]  ? move_addr_to_kernel (net/socket.c:258)
[  706.951543][T16218]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  706.951545][T16218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  706.951547][T16218]  ___sys_sendmsg (net/socket.c:2767)
[  706.951549][T16218]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  706.951550][T16218]  ? copy_msghdr_from_user (net/socket.c:2619)
[  706.951552][T16218]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  706.951557][T16218]  __sys_sendmsg (net/socket.c:2799)
[  706.951559][T16218]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  706.951561][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951563][T16218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  706.951564][T16218]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  706.951567][T16218]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  706.951569][T16218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  706.951571][T16218] RIP: 0033:0x7f7974aa354e
[  706.951573][T16218] 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
[  706.951575][T16218] RSP: 002b:00007ffc116da8a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  706.951579][T16218] RAX: ffffffffffffffda RBX: 00007ffc116db068 RCX: 00007f7974aa354e
[  706.951580][T16218] RDX: 0000000000000000 RSI: 00007ffc116da950 RDI: 0000000000000005
[  706.951581][T16218] RBP: 00007ffc116da8b0 R08: 0000000000000000 R09: 0000000000000000
[  706.951582][T16218] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebb5
[  706.951583][T16218] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc116db020
| [  713.387607][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  713.387609][   T12] Preemption disabled at:
| [  713.387610][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  713.387620][   T12] Tainted: [W]=WARN
[  713.387622][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  713.387624][   T12] Workqueue: netns cleanup_net
[  713.387630][   T12] Call Trace:
[  713.387631][   T12]  <TASK>
[  713.387633][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  713.387638][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  713.387639][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  713.387643][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  713.387648][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  713.387651][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.387654][   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))
[  713.387657][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  713.387660][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  713.387664][   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)
[  713.387666][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  713.387669][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  713.387671][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  713.387672][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  713.387675][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  713.387680][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  713.387682][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  713.387685][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  713.387686][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.387688][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.387689][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  713.387692][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  713.387694][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.387695][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.387696][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.387697][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.387700][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  713.387702][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  713.387704][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  713.387707][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  713.387709][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.387710][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  713.387712][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.387713][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  713.387715][   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)
[  713.387716][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  713.387718][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  713.387720][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  713.387721][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  713.387723][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  713.387724][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  713.387726][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  713.387728][   T12]  ? kthread (kernel/kthread.c:436)
[  713.387731][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  713.387733][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  713.387736][   T12]  _printk (kernel/printk/printk.c:2504)
[  713.387739][   T12]  ? snapshot_read.cold (user.c:?)
[  713.387741][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  713.387744][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  713.387747][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  713.387749][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  713.387751][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.387753][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  713.387754][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  713.387757][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  713.387759][   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)
[  713.387760][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  713.387762][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  713.387765][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  713.387769][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  713.387771][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  713.387773][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  713.387776][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  713.387777][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  713.387780][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  713.387782][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  713.387784][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.387786][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.387787][   T12]  process_one_work (kernel/workqueue.c:3387)
[  713.387790][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  713.387793][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  713.387795][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  713.387798][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  713.387800][   T12]  kthread (kernel/kthread.c:436)
[  713.387802][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  713.387803][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  713.387805][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  713.387807][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  713.387809][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  713.387812][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  713.387814][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  714.571846][T16371] softirqs last disabled at (0): 0x0
| [  714.571848][T16371] Preemption disabled at:
| [  714.571849][T16371] vprintk_emit (kernel/printk/printk.c:2471)
| [  714.571859][T16371] Tainted: [W]=WARN
[  714.571861][T16371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  714.571863][T16371] Call Trace:
[  714.571864][T16371]  <TASK>
[  714.571865][T16371]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  714.571871][T16371]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  714.571872][T16371]  __might_resched.cold (kernel/sched/core.c:9234)
[  714.571876][T16371]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  714.571878][T16371]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  714.571881][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.571884][T16371]  __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))
[  714.571887][T16371]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  714.571889][T16371]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  714.571894][T16371]  ? 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)
[  714.571896][T16371]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  714.571899][T16371]  put_chars (drivers/char/virtio_console.c:1176)
[  714.571901][T16371]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  714.571902][T16371]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  714.571905][T16371]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  714.571910][T16371]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  714.571912][T16371]  ? vsnprintf (lib/vsprintf.c:2900)
[  714.571915][T16371]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  714.571916][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.571917][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.571919][T16371]  console_emit_next_record (kernel/printk/printk.c:3183)
[  714.571922][T16371]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  714.571924][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.571925][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.571926][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.571927][T16371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.571929][T16371]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  714.571931][T16371]  console_flush_one_record (kernel/printk/printk.c:3268)
[  714.571934][T16371]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  714.571936][T16371]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  714.571938][T16371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.571940][T16371]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  714.571942][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.571943][T16371]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  714.571944][T16371]  ? 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)
[  714.571946][T16371]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  714.571947][T16371]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  714.571949][T16371]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  714.571951][T16371]  vprintk_emit (kernel/printk/printk.c:2479)
[  714.571952][T16371]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  714.571954][T16371]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  714.571955][T16371]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  714.571958][T16371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.571960][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.571961][T16371]  _printk (kernel/printk/printk.c:2504)
[  714.571964][T16371]  ? snapshot_read.cold (user.c:?)
[  714.571966][T16371]  ? br_multicast_flood (??:?)
[  714.571969][T16371]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  714.571972][T16371]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  714.571973][T16371]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  714.571975][T16371]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  714.571978][T16371]  br_init_port (net/bridge/br_stp_if.c:39)
[  714.571980][T16371]  new_nbp (net/bridge/br_if.c:449)
[  714.571982][T16371]  br_add_if (net/bridge/br_if.c:592)
[  714.571984][T16371]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  714.571988][T16371]  do_set_master (net/core/rtnetlink.c:3071)
[  714.571989][T16371]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  714.571991][T16371]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  714.571992][T16371]  ? __dev_get_by_name (net/core/dev.c:905)
[  714.571994][T16371]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  714.571998][T16371]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  714.572001][T16371]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  714.572003][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.572004][T16371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  714.572005][T16371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.572007][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.572012][T16371]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  714.572016][T16371]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  714.572018][T16371]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  714.572020][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.572022][T16371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.572023][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.572024][T16371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  714.572026][T16371]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  714.572028][T16371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  714.572029][T16371]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  714.572031][T16371]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  714.572035][T16371]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  714.572037][T16371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  714.572039][T16371]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  714.572040][T16371]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  714.572042][T16371]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  714.572045][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.572046][T16371]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  714.572048][T16371]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  714.572050][T16371]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  714.572052][T16371]  ? next_uptodate_folio (mm/filemap.c:3747)
[  714.572055][T16371]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  714.572058][T16371]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  714.572060][T16371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.572061][T16371]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  714.572064][T16371]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  714.572067][T16371]  ____sys_sendmsg (net/socket.c:2713)
[  714.572069][T16371]  ? copy_msghdr_from_user (net/socket.c:2650)
[  714.572071][T16371]  ? sock_write_iter (net/socket.c:1269)
[  714.572072][T16371]  ? move_addr_to_kernel (net/socket.c:258)
[  714.572074][T16371]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  714.572077][T16371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.572079][T16371]  ___sys_sendmsg (net/socket.c:2767)
[  714.572080][T16371]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  714.572082][T16371]  ? copy_msghdr_from_user (net/socket.c:2619)
[  714.572084][T16371]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  714.572088][T16371]  __sys_sendmsg (net/socket.c:2799)
[  714.572090][T16371]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  714.572093][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.572094][T16371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.572095][T16371]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  714.572098][T16371]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  714.572100][T16371]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  714.572102][T16371] RIP: 0033:0x7fa8a9e9454e
[  714.572104][T16371] 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
[  714.572105][T16371] RSP: 002b:00007ffeafa49230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  714.572109][T16371] RAX: ffffffffffffffda RBX: 00007ffeafa499f8 RCX: 00007fa8a9e9454e
[  714.572110][T16371] RDX: 0000000000000000 RSI: 00007ffeafa492e0 RDI: 0000000000000005
[  714.572111][T16371] RBP: 00007ffeafa49240 R08: 0000000000000000 R09: 0000000000000000
[  714.572112][T16371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebbc
[  714.572113][T16371] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeafa499b0
| [  715.908779][T16440] softirqs last disabled at (0): 0x0
| [  715.908781][T16440] Preemption disabled at:
| [  715.908782][T16440] vprintk_emit (kernel/printk/printk.c:2471)
| [  715.908792][T16440] Tainted: [W]=WARN
[  715.908793][T16440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  715.908795][T16440] Call Trace:
[  715.908797][T16440]  <TASK>
[  715.908798][T16440]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  715.908803][T16440]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  715.908805][T16440]  __might_resched.cold (kernel/sched/core.c:9234)
[  715.908809][T16440]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  715.908813][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.908816][T16440]  __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))
[  715.908819][T16440]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  715.908822][T16440]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  715.908827][T16440]  ? 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)
[  715.908829][T16440]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  715.908831][T16440]  put_chars (drivers/char/virtio_console.c:1176)
[  715.908833][T16440]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  715.908834][T16440]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  715.908837][T16440]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  715.908839][T16440]  ? pointer (lib/vsprintf.c:2577)
[  715.908842][T16440]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  715.908847][T16440]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  715.908849][T16440]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  715.908851][T16440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  715.908853][T16440]  console_emit_next_record (kernel/printk/printk.c:3183)
[  715.908856][T16440]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  715.908858][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.908859][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.908860][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.908862][T16440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  715.908864][T16440]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  715.908865][T16440]  console_flush_one_record (kernel/printk/printk.c:3268)
[  715.908868][T16440]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  715.908871][T16440]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  715.908873][T16440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  715.908874][T16440]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  715.908876][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.908877][T16440]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  715.908879][T16440]  ? 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)
[  715.908880][T16440]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  715.908882][T16440]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  715.908884][T16440]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  715.908885][T16440]  vprintk_emit (kernel/printk/printk.c:2479)
[  715.908887][T16440]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  715.908888][T16440]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  715.908891][T16440]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  715.908894][T16440]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  715.908897][T16440]  _printk (kernel/printk/printk.c:2504)
[  715.908900][T16440]  ? snapshot_read.cold (user.c:?)
[  715.908902][T16440]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  715.908904][T16440]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  715.908907][T16440]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  715.908909][T16440]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  715.908912][T16440]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  715.908915][T16440]  ? netdev_notice (net/core/dev.c:13194)
[  715.908917][T16440]  ? 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)
[  715.908919][T16440]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  715.908921][T16440]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  715.908923][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.908924][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.908925][T16440]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  715.908927][T16440]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  715.908928][T16440]  ? 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)
[  715.908930][T16440]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  715.908931][T16440]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  715.908933][T16440]  ? register_netdev (net/core/dev.c:11618)
[  715.908934][T16440]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  715.908936][T16440]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  715.908939][T16440]  ? __kernel_text_address (kernel/extable.c:79)
[  715.908941][T16440]  ? write_profile (profile.c:?)
[  715.908944][T16440]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  715.908948][T16440]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  715.908950][T16440]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  715.908951][T16440]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  715.908953][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.908954][T16440]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  715.908957][T16440]  ? kasan_save_stack (mm/kasan/common.c:58)
[  715.908959][T16440]  ? kasan_save_stack (mm/kasan/common.c:57)
[  715.908960][T16440]  ? kasan_save_track (mm/kasan/common.c:78)
[  715.908961][T16440]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  715.908963][T16440]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  715.908964][T16440]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  715.908965][T16440]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  715.908966][T16440]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  715.908969][T16440]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  715.908971][T16440]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  715.908972][T16440]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  715.908975][T16440]  ? ____sys_sendmsg (net/socket.c:2713)
[  715.908976][T16440]  ? ___sys_sendmsg (net/socket.c:2767)
[  715.908978][T16440]  ? __sys_sendmsg (net/socket.c:2799)
[  715.908980][T16440]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  715.908982][T16440]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  715.908985][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.908986][T16440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  715.908987][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.908988][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.908989][T16440]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  715.908991][T16440]  ? __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)
[  715.908992][T16440]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  715.908993][T16440]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  715.908995][T16440]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  715.908996][T16440]  ? nla_get_range_signed (lib/nlattr.c:270)
[  715.908999][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.909001][T16440]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  715.909003][T16440]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  715.909005][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.909006][T16440]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  715.909007][T16440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  715.909009][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.909010][T16440]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  715.909018][T16440]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  715.909020][T16440]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  715.909021][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.909023][T16440]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  715.909026][T16440]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  715.909028][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.909029][T16440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  715.909031][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.909032][T16440]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  715.909034][T16440]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  715.909035][T16440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  715.909037][T16440]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  715.909039][T16440]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  715.909041][T16440]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  715.909043][T16440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  715.909044][T16440]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  715.909046][T16440]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  715.909047][T16440]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  715.909051][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.909052][T16440]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  715.909054][T16440]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  715.909056][T16440]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  715.909058][T16440]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  715.909060][T16440]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  715.909062][T16440]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  715.909064][T16440]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  715.909065][T16440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  715.909067][T16440]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  715.909070][T16440]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  715.909072][T16440]  ____sys_sendmsg (net/socket.c:2713)
[  715.909074][T16440]  ? copy_msghdr_from_user (net/socket.c:2650)
[  715.909076][T16440]  ? sock_write_iter (net/socket.c:1269)
[  715.909078][T16440]  ? move_addr_to_kernel (net/socket.c:258)
[  715.909079][T16440]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  715.909082][T16440]  ___sys_sendmsg (net/socket.c:2767)
[  715.909084][T16440]  ? copy_msghdr_from_user (net/socket.c:2619)
[  715.909089][T16440]  __sys_sendmsg (net/socket.c:2799)
[  715.909091][T16440]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  715.909093][T16440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  715.909095][T16440]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  715.909097][T16440]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  715.909099][T16440]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  715.909100][T16440] RIP: 0033:0x7f6bdfe2754e
[  715.909102][T16440] 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
[  715.909104][T16440] RSP: 002b:00007ffe754dd330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  715.909108][T16440] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6bdfe2754e
[  715.909110][T16440] RDX: 0000000000000000 RSI: 00007ffe754dd3e0 RDI: 0000000000000005
[  715.909111][T16440] RBP: 00007ffe754dd340 R08: 0000000000000000 R09: 0000000000000000
[  715.909112][T16440] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebbe
[  715.909112][T16440] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe754ddaa0
| [  717.004103][T16490] softirqs last disabled at (0): 0x0
| [  717.004105][T16490] Preemption disabled at:
| [  717.004106][T16490] vprintk_emit (kernel/printk/printk.c:2471)
| [  717.004116][T16490] Tainted: [W]=WARN
[  717.004118][T16490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  717.004119][T16490] Call Trace:
[  717.004121][T16490]  <TASK>
[  717.004122][T16490]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  717.004127][T16490]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  717.004129][T16490]  __might_resched.cold (kernel/sched/core.c:9234)
[  717.004133][T16490]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  717.004136][T16490]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  717.004139][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004141][T16490]  __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))
[  717.004144][T16490]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  717.004147][T16490]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  717.004152][T16490]  ? 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)
[  717.004154][T16490]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  717.004157][T16490]  put_chars (drivers/char/virtio_console.c:1176)
[  717.004158][T16490]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  717.004160][T16490]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  717.004162][T16490]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  717.004167][T16490]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  717.004169][T16490]  ? vsnprintf (lib/vsprintf.c:2900)
[  717.004172][T16490]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  717.004174][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004175][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004177][T16490]  console_emit_next_record (kernel/printk/printk.c:3183)
[  717.004179][T16490]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  717.004181][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004182][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004183][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004185][T16490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.004187][T16490]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  717.004189][T16490]  console_flush_one_record (kernel/printk/printk.c:3268)
[  717.004191][T16490]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  717.004194][T16490]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  717.004196][T16490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.004197][T16490]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  717.004199][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004200][T16490]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  717.004202][T16490]  ? 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)
[  717.004203][T16490]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  717.004205][T16490]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  717.004206][T16490]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  717.004208][T16490]  vprintk_emit (kernel/printk/printk.c:2479)
[  717.004210][T16490]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  717.004211][T16490]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  717.004213][T16490]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  717.004216][T16490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.004217][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004219][T16490]  _printk (kernel/printk/printk.c:2504)
[  717.004222][T16490]  ? snapshot_read.cold (user.c:?)
[  717.004224][T16490]  ? br_multicast_flood (??:?)
[  717.004227][T16490]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  717.004230][T16490]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  717.004231][T16490]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  717.004233][T16490]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  717.004236][T16490]  br_init_port (net/bridge/br_stp_if.c:39)
[  717.004237][T16490]  new_nbp (net/bridge/br_if.c:449)
[  717.004240][T16490]  br_add_if (net/bridge/br_if.c:592)
[  717.004241][T16490]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  717.004245][T16490]  do_set_master (net/core/rtnetlink.c:3071)
[  717.004247][T16490]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  717.004249][T16490]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  717.004250][T16490]  ? __dev_get_by_name (net/core/dev.c:905)
[  717.004252][T16490]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  717.004256][T16490]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  717.004259][T16490]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  717.004261][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004262][T16490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  717.004263][T16490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.004265][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004266][T16490]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  717.004269][T16490]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  717.004270][T16490]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  717.004273][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004274][T16490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.004275][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004276][T16490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  717.004278][T16490]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  717.004279][T16490]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  717.004281][T16490]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  717.004282][T16490]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  717.004286][T16490]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  717.004289][T16490]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  717.004291][T16490]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  717.004292][T16490]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  717.004294][T16490]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  717.004297][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004298][T16490]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  717.004300][T16490]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  717.004302][T16490]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  717.004304][T16490]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  717.004307][T16490]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  717.004310][T16490]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  717.004312][T16490]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  717.004314][T16490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.004316][T16490]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  717.004319][T16490]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  717.004322][T16490]  ____sys_sendmsg (net/socket.c:2713)
[  717.004323][T16490]  ? copy_msghdr_from_user (net/socket.c:2650)
[  717.004325][T16490]  ? sock_write_iter (net/socket.c:1269)
[  717.004327][T16490]  ? move_addr_to_kernel (net/socket.c:258)
[  717.004329][T16490]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  717.004332][T16490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.004334][T16490]  ___sys_sendmsg (net/socket.c:2767)
[  717.004335][T16490]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  717.004337][T16490]  ? copy_msghdr_from_user (net/socket.c:2619)
[  717.004339][T16490]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  717.004343][T16490]  __sys_sendmsg (net/socket.c:2799)
[  717.004345][T16490]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  717.004348][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004349][T16490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.004350][T16490]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  717.004353][T16490]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  717.004355][T16490]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  717.004357][T16490] RIP: 0033:0x7f84479a554e
[  717.004359][T16490] 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
[  717.004361][T16490] RSP: 002b:00007ffd5c991ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  717.004364][T16490] RAX: ffffffffffffffda RBX: 00007ffd5c9922a8 RCX: 00007f84479a554e
[  717.004366][T16490] RDX: 0000000000000000 RSI: 00007ffd5c991b90 RDI: 0000000000000005
[  717.004367][T16490] RBP: 00007ffd5c991af0 R08: 0000000000000000 R09: 0000000000000000
[  717.004368][T16490] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebbf
[  717.004368][T16490] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5c992260
| [  723.451348][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  723.451350][   T12] Preemption disabled at:
| [  723.451351][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  723.451362][   T12] Tainted: [W]=WARN
[  723.451363][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  723.451365][   T12] Workqueue: netns cleanup_net
[  723.451371][   T12] Call Trace:
[  723.451373][   T12]  <TASK>
[  723.451375][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  723.451380][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  723.451381][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  723.451385][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  723.451387][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  723.451390][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.451392][   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))
[  723.451395][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  723.451398][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  723.451403][   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)
[  723.451404][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  723.451407][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  723.451409][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  723.451410][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  723.451413][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  723.451418][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  723.451419][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  723.451422][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  723.451424][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.451425][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.451427][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  723.451429][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  723.451431][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.451432][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.451433][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.451434][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.451437][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  723.451438][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  723.451441][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  723.451444][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  723.451445][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.451447][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  723.451449][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.451450][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  723.451451][   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)
[  723.451453][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  723.451454][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  723.451456][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  723.451458][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  723.451459][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  723.451461][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  723.451462][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  723.451465][   T12]  ? kthread (kernel/kthread.c:436)
[  723.451467][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  723.451470][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  723.451472][   T12]  _printk (kernel/printk/printk.c:2504)
[  723.451475][   T12]  ? snapshot_read.cold (user.c:?)
[  723.451477][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  723.451481][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  723.451483][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  723.451485][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  723.451487][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.451488][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  723.451490][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  723.451493][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  723.451494][   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)
[  723.451496][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  723.451498][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  723.451501][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  723.451505][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  723.451507][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  723.451509][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  723.451511][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  723.451513][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  723.451516][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  723.451518][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  723.451520][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.451522][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.451523][   T12]  process_one_work (kernel/workqueue.c:3387)
[  723.451526][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  723.451529][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  723.451531][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  723.451534][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  723.451536][   T12]  kthread (kernel/kthread.c:436)
[  723.451537][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  723.451539][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  723.451541][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  723.451543][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  723.451545][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  723.451548][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  723.451550][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  724.633235][T16642] softirqs last disabled at (0): 0x0
| [  724.633237][T16642] Preemption disabled at:
| [  724.633238][T16642] vprintk_emit (kernel/printk/printk.c:2471)
| [  724.633248][T16642] Tainted: [W]=WARN
[  724.633249][T16642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  724.633252][T16642] Call Trace:
[  724.633253][T16642]  <TASK>
[  724.633255][T16642]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  724.633260][T16642]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  724.633262][T16642]  __might_resched.cold (kernel/sched/core.c:9234)
[  724.633266][T16642]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  724.633268][T16642]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  724.633272][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633276][T16642]  __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))
[  724.633279][T16642]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  724.633282][T16642]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  724.633287][T16642]  ? 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)
[  724.633288][T16642]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  724.633291][T16642]  put_chars (drivers/char/virtio_console.c:1176)
[  724.633293][T16642]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  724.633294][T16642]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  724.633297][T16642]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  724.633302][T16642]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  724.633303][T16642]  ? vsnprintf (lib/vsprintf.c:2900)
[  724.633307][T16642]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  724.633309][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633310][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633311][T16642]  console_emit_next_record (kernel/printk/printk.c:3183)
[  724.633314][T16642]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  724.633316][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633317][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633318][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633319][T16642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.633321][T16642]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  724.633323][T16642]  console_flush_one_record (kernel/printk/printk.c:3268)
[  724.633326][T16642]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  724.633328][T16642]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  724.633330][T16642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.633332][T16642]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  724.633333][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633334][T16642]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  724.633336][T16642]  ? 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)
[  724.633337][T16642]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  724.633339][T16642]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  724.633341][T16642]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  724.633342][T16642]  vprintk_emit (kernel/printk/printk.c:2479)
[  724.633344][T16642]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  724.633345][T16642]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  724.633347][T16642]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  724.633350][T16642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.633352][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633353][T16642]  _printk (kernel/printk/printk.c:2504)
[  724.633356][T16642]  ? snapshot_read.cold (user.c:?)
[  724.633358][T16642]  ? br_multicast_flood (??:?)
[  724.633361][T16642]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  724.633364][T16642]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  724.633365][T16642]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  724.633367][T16642]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  724.633370][T16642]  br_init_port (net/bridge/br_stp_if.c:39)
[  724.633372][T16642]  new_nbp (net/bridge/br_if.c:449)
[  724.633374][T16642]  br_add_if (net/bridge/br_if.c:592)
[  724.633376][T16642]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  724.633380][T16642]  do_set_master (net/core/rtnetlink.c:3071)
[  724.633382][T16642]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  724.633384][T16642]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  724.633385][T16642]  ? __dev_get_by_name (net/core/dev.c:905)
[  724.633387][T16642]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  724.633391][T16642]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  724.633393][T16642]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  724.633395][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633396][T16642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  724.633398][T16642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.633400][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633401][T16642]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  724.633404][T16642]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  724.633405][T16642]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  724.633408][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633409][T16642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.633410][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633412][T16642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  724.633413][T16642]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  724.633415][T16642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  724.633416][T16642]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  724.633417][T16642]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  724.633421][T16642]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  724.633424][T16642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  724.633426][T16642]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  724.633427][T16642]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  724.633429][T16642]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  724.633432][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633433][T16642]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  724.633435][T16642]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  724.633437][T16642]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  724.633439][T16642]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  724.633442][T16642]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  724.633445][T16642]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  724.633447][T16642]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  724.633449][T16642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.633450][T16642]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  724.633454][T16642]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  724.633456][T16642]  ____sys_sendmsg (net/socket.c:2713)
[  724.633458][T16642]  ? copy_msghdr_from_user (net/socket.c:2650)
[  724.633460][T16642]  ? sock_write_iter (net/socket.c:1269)
[  724.633461][T16642]  ? move_addr_to_kernel (net/socket.c:258)
[  724.633463][T16642]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  724.633466][T16642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.633468][T16642]  ___sys_sendmsg (net/socket.c:2767)
[  724.633469][T16642]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  724.633471][T16642]  ? copy_msghdr_from_user (net/socket.c:2619)
[  724.633473][T16642]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  724.633477][T16642]  __sys_sendmsg (net/socket.c:2799)
[  724.633479][T16642]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  724.633482][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633483][T16642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.633484][T16642]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  724.633487][T16642]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  724.633489][T16642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  724.633491][T16642] RIP: 0033:0x7f55cca3654e
[  724.633493][T16642] 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
[  724.633495][T16642] RSP: 002b:00007ffc2ab26190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  724.633498][T16642] RAX: ffffffffffffffda RBX: 00007ffc2ab26958 RCX: 00007f55cca3654e
[  724.633500][T16642] RDX: 0000000000000000 RSI: 00007ffc2ab26240 RDI: 0000000000000005
[  724.633501][T16642] RBP: 00007ffc2ab261a0 R08: 0000000000000000 R09: 0000000000000000
[  724.633501][T16642] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebc7
[  724.633502][T16642] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2ab26910
| [  725.928789][T16711] softirqs last disabled at (0): 0x0
| [  725.928791][T16711] Preemption disabled at:
| [  725.928792][T16711] vprintk_emit (kernel/printk/printk.c:2471)
| [  725.928802][T16711] Tainted: [W]=WARN
[  725.928803][T16711] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  725.928804][T16711] Call Trace:
[  725.928806][T16711]  <TASK>
[  725.928807][T16711]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  725.928813][T16711]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  725.928814][T16711]  __might_resched.cold (kernel/sched/core.c:9234)
[  725.928818][T16711]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  725.928822][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.928825][T16711]  __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))
[  725.928828][T16711]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  725.928830][T16711]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  725.928835][T16711]  ? 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)
[  725.928837][T16711]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  725.928840][T16711]  put_chars (drivers/char/virtio_console.c:1176)
[  725.928841][T16711]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  725.928842][T16711]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  725.928845][T16711]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  725.928847][T16711]  ? pointer (lib/vsprintf.c:2577)
[  725.928850][T16711]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  725.928855][T16711]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  725.928857][T16711]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  725.928859][T16711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.928861][T16711]  console_emit_next_record (kernel/printk/printk.c:3183)
[  725.928864][T16711]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  725.928866][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.928867][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.928868][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.928869][T16711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.928871][T16711]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  725.928873][T16711]  console_flush_one_record (kernel/printk/printk.c:3268)
[  725.928876][T16711]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  725.928879][T16711]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  725.928881][T16711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.928882][T16711]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  725.928884][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.928885][T16711]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  725.928887][T16711]  ? 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)
[  725.928888][T16711]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  725.928890][T16711]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  725.928892][T16711]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  725.928893][T16711]  vprintk_emit (kernel/printk/printk.c:2479)
[  725.928895][T16711]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  725.928896][T16711]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  725.928899][T16711]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  725.928902][T16711]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  725.928904][T16711]  _printk (kernel/printk/printk.c:2504)
[  725.928907][T16711]  ? snapshot_read.cold (user.c:?)
[  725.928909][T16711]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  725.928911][T16711]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  725.928914][T16711]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  725.928916][T16711]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  725.928919][T16711]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  725.928922][T16711]  ? netdev_notice (net/core/dev.c:13194)
[  725.928924][T16711]  ? 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)
[  725.928926][T16711]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  725.928928][T16711]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  725.928930][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.928931][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.928932][T16711]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  725.928933][T16711]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  725.928935][T16711]  ? 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)
[  725.928936][T16711]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  725.928937][T16711]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  725.928939][T16711]  ? register_netdev (net/core/dev.c:11618)
[  725.928940][T16711]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  725.928942][T16711]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  725.928945][T16711]  ? __kernel_text_address (kernel/extable.c:79)
[  725.928947][T16711]  ? write_profile (profile.c:?)
[  725.928950][T16711]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  725.928954][T16711]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  725.928956][T16711]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  725.928957][T16711]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  725.928958][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.928959][T16711]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  725.928963][T16711]  ? kasan_save_stack (mm/kasan/common.c:58)
[  725.928965][T16711]  ? kasan_save_stack (mm/kasan/common.c:57)
[  725.928966][T16711]  ? kasan_save_track (mm/kasan/common.c:78)
[  725.928967][T16711]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  725.928968][T16711]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  725.928969][T16711]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  725.928971][T16711]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  725.928972][T16711]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  725.928975][T16711]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  725.928976][T16711]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  725.928978][T16711]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  725.928980][T16711]  ? ____sys_sendmsg (net/socket.c:2713)
[  725.928982][T16711]  ? ___sys_sendmsg (net/socket.c:2767)
[  725.928983][T16711]  ? __sys_sendmsg (net/socket.c:2799)
[  725.928985][T16711]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  725.928987][T16711]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  725.928990][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.928991][T16711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.928993][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.928994][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.928995][T16711]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  725.928996][T16711]  ? __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)
[  725.928997][T16711]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  725.928999][T16711]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  725.929000][T16711]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  725.929001][T16711]  ? nla_get_range_signed (lib/nlattr.c:270)
[  725.929005][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.929006][T16711]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  725.929008][T16711]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  725.929010][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.929011][T16711]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  725.929012][T16711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.929014][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.929015][T16711]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  725.929018][T16711]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  725.929019][T16711]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  725.929021][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.929022][T16711]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  725.929025][T16711]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  725.929028][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.929029][T16711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.929030][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.929032][T16711]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  725.929033][T16711]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  725.929035][T16711]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  725.929036][T16711]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  725.929038][T16711]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  725.929040][T16711]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  725.929042][T16711]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  725.929043][T16711]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  725.929045][T16711]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  725.929046][T16711]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  725.929054][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.929056][T16711]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  725.929058][T16711]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  725.929060][T16711]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  725.929062][T16711]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  725.929064][T16711]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  725.929066][T16711]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  725.929068][T16711]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  725.929070][T16711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  725.929071][T16711]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  725.929075][T16711]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  725.929076][T16711]  ____sys_sendmsg (net/socket.c:2713)
[  725.929078][T16711]  ? copy_msghdr_from_user (net/socket.c:2650)
[  725.929080][T16711]  ? sock_write_iter (net/socket.c:1269)
[  725.929081][T16711]  ? move_addr_to_kernel (net/socket.c:258)
[  725.929083][T16711]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  725.929086][T16711]  ___sys_sendmsg (net/socket.c:2767)
[  725.929087][T16711]  ? copy_msghdr_from_user (net/socket.c:2619)
[  725.929092][T16711]  __sys_sendmsg (net/socket.c:2799)
[  725.929094][T16711]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  725.929097][T16711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  725.929099][T16711]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  725.929100][T16711]  ? irq_exit_rcu (kernel/softirq.c:786)
[  725.929103][T16711]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  725.929104][T16711] RIP: 0033:0x7fa101f3854e
[  725.929106][T16711] 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
[  725.929108][T16711] RSP: 002b:00007ffda117c9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  725.929112][T16711] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa101f3854e
[  725.929113][T16711] RDX: 0000000000000000 RSI: 00007ffda117ca60 RDI: 0000000000000005
[  725.929114][T16711] RBP: 00007ffda117c9c0 R08: 0000000000000000 R09: 0000000000000000
[  725.929115][T16711] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebc8
[  725.929116][T16711] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda117d120
| [  727.002013][T16770] softirqs last disabled at (0): 0x0
| [  727.002015][T16770] Preemption disabled at:
| [  727.002016][T16770] vprintk_emit (kernel/printk/printk.c:2471)
| [  727.002026][T16770] Tainted: [W]=WARN
[  727.002027][T16770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  727.002029][T16770] Call Trace:
[  727.002030][T16770]  <TASK>
[  727.002032][T16770]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  727.002037][T16770]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  727.002039][T16770]  __might_resched.cold (kernel/sched/core.c:9234)
[  727.002042][T16770]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  727.002045][T16770]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  727.002048][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002051][T16770]  __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))
[  727.002058][T16770]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  727.002061][T16770]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  727.002066][T16770]  ? 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)
[  727.002068][T16770]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  727.002071][T16770]  put_chars (drivers/char/virtio_console.c:1176)
[  727.002073][T16770]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  727.002074][T16770]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  727.002077][T16770]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  727.002082][T16770]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  727.002084][T16770]  ? vsnprintf (lib/vsprintf.c:2900)
[  727.002088][T16770]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  727.002089][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002090][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002092][T16770]  console_emit_next_record (kernel/printk/printk.c:3183)
[  727.002095][T16770]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  727.002097][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002098][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002099][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002100][T16770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  727.002103][T16770]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  727.002104][T16770]  console_flush_one_record (kernel/printk/printk.c:3268)
[  727.002107][T16770]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  727.002110][T16770]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  727.002111][T16770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  727.002113][T16770]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  727.002115][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002116][T16770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  727.002117][T16770]  ? 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)
[  727.002119][T16770]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  727.002120][T16770]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  727.002122][T16770]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  727.002124][T16770]  vprintk_emit (kernel/printk/printk.c:2479)
[  727.002125][T16770]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  727.002127][T16770]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  727.002128][T16770]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  727.002131][T16770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  727.002133][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002134][T16770]  _printk (kernel/printk/printk.c:2504)
[  727.002138][T16770]  ? snapshot_read.cold (user.c:?)
[  727.002140][T16770]  ? br_multicast_flood (??:?)
[  727.002143][T16770]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  727.002146][T16770]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  727.002147][T16770]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  727.002149][T16770]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  727.002152][T16770]  br_init_port (net/bridge/br_stp_if.c:39)
[  727.002154][T16770]  new_nbp (net/bridge/br_if.c:449)
[  727.002156][T16770]  br_add_if (net/bridge/br_if.c:592)
[  727.002158][T16770]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  727.002162][T16770]  do_set_master (net/core/rtnetlink.c:3071)
[  727.002163][T16770]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  727.002165][T16770]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  727.002166][T16770]  ? __dev_get_by_name (net/core/dev.c:905)
[  727.002168][T16770]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  727.002172][T16770]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  727.002175][T16770]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  727.002177][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002178][T16770]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  727.002179][T16770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  727.002181][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002182][T16770]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  727.002185][T16770]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  727.002186][T16770]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  727.002189][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002190][T16770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  727.002191][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002193][T16770]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  727.002194][T16770]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  727.002196][T16770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  727.002197][T16770]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  727.002198][T16770]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  727.002202][T16770]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  727.002205][T16770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  727.002207][T16770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  727.002208][T16770]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  727.002210][T16770]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  727.002213][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002214][T16770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  727.002216][T16770]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  727.002219][T16770]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  727.002221][T16770]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  727.002224][T16770]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  727.002227][T16770]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  727.002229][T16770]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  727.002231][T16770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  727.002232][T16770]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  727.002236][T16770]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  727.002238][T16770]  ____sys_sendmsg (net/socket.c:2713)
[  727.002240][T16770]  ? copy_msghdr_from_user (net/socket.c:2650)
[  727.002242][T16770]  ? sock_write_iter (net/socket.c:1269)
[  727.002243][T16770]  ? move_addr_to_kernel (net/socket.c:258)
[  727.002246][T16770]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  727.002248][T16770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  727.002250][T16770]  ___sys_sendmsg (net/socket.c:2767)
[  727.002252][T16770]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  727.002253][T16770]  ? copy_msghdr_from_user (net/socket.c:2619)
[  727.002255][T16770]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  727.002259][T16770]  __sys_sendmsg (net/socket.c:2799)
[  727.002261][T16770]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  727.002264][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002265][T16770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.002267][T16770]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  727.002269][T16770]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  727.002271][T16770]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  727.002273][T16770] RIP: 0033:0x7ff2a520e54e
[  727.002275][T16770] 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
[  727.002277][T16770] RSP: 002b:00007ffec57e35f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  727.002281][T16770] RAX: ffffffffffffffda RBX: 00007ffec57e3db8 RCX: 00007ff2a520e54e
[  727.002282][T16770] RDX: 0000000000000000 RSI: 00007ffec57e36a0 RDI: 0000000000000005
[  727.002283][T16770] RBP: 00007ffec57e3600 R08: 0000000000000000 R09: 0000000000000000
[  727.002284][T16770] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebc9
[  727.002285][T16770] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec57e3d70
| [  733.434334][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  733.434336][   T12] Preemption disabled at:
| [  733.434337][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  733.434347][   T12] Tainted: [W]=WARN
[  733.434348][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  733.434350][   T12] Workqueue: netns cleanup_net
[  733.434356][   T12] Call Trace:
[  733.434358][   T12]  <TASK>
[  733.434359][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  733.434365][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  733.434366][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  733.434370][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  733.434373][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  733.434376][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.434379][   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))
[  733.434382][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  733.434385][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  733.434389][   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)
[  733.434391][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  733.434393][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  733.434395][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  733.434397][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  733.434400][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  733.434404][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  733.434406][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  733.434409][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  733.434410][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.434412][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.434413][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  733.434416][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  733.434418][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.434419][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.434420][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.434421][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.434423][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  733.434425][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  733.434428][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  733.434430][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  733.434432][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.434434][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  733.434436][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.434437][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  733.434438][   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)
[  733.434440][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  733.434441][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  733.434443][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  733.434445][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  733.434446][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  733.434447][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  733.434449][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  733.434452][   T12]  ? kthread (kernel/kthread.c:436)
[  733.434454][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  733.434457][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  733.434460][   T12]  _printk (kernel/printk/printk.c:2504)
[  733.434462][   T12]  ? snapshot_read.cold (user.c:?)
[  733.434465][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  733.434468][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  733.434470][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  733.434473][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  733.434475][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.434476][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  733.434477][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  733.434480][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  733.434482][   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)
[  733.434483][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  733.434485][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  733.434488][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  733.434492][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  733.434494][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  733.434497][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  733.434499][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  733.434501][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  733.434504][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  733.434505][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  733.434507][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.434509][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.434511][   T12]  process_one_work (kernel/workqueue.c:3387)
[  733.434514][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  733.434516][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  733.434519][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  733.434522][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  733.434523][   T12]  kthread (kernel/kthread.c:436)
[  733.434525][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  733.434527][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  733.434529][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  733.434530][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  733.434532][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  733.434535][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  733.434537][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  734.593928][T16922] softirqs last disabled at (0): 0x0
| [  734.593930][T16922] Preemption disabled at:
| [  734.593931][T16922] vprintk_emit (kernel/printk/printk.c:2471)
| [  734.593941][T16922] Tainted: [W]=WARN
[  734.593942][T16922] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  734.593944][T16922] Call Trace:
[  734.593945][T16922]  <TASK>
[  734.593947][T16922]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  734.593952][T16922]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  734.593954][T16922]  __might_resched.cold (kernel/sched/core.c:9234)
[  734.593958][T16922]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  734.593960][T16922]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  734.593963][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.593966][T16922]  __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))
[  734.593969][T16922]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.593972][T16922]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  734.593977][T16922]  ? 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)
[  734.593978][T16922]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  734.593981][T16922]  put_chars (drivers/char/virtio_console.c:1176)
[  734.593983][T16922]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  734.593984][T16922]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  734.593987][T16922]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  734.593992][T16922]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  734.593993][T16922]  ? vsnprintf (lib/vsprintf.c:2900)
[  734.593997][T16922]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.593998][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.593999][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594001][T16922]  console_emit_next_record (kernel/printk/printk.c:3183)
[  734.594004][T16922]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  734.594006][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594007][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594008][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594009][T16922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.594011][T16922]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  734.594013][T16922]  console_flush_one_record (kernel/printk/printk.c:3268)
[  734.594016][T16922]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  734.594018][T16922]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  734.594020][T16922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.594022][T16922]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  734.594024][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594025][T16922]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.594026][T16922]  ? 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)
[  734.594028][T16922]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  734.594029][T16922]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  734.594032][T16922]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  734.594033][T16922]  vprintk_emit (kernel/printk/printk.c:2479)
[  734.594035][T16922]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  734.594036][T16922]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.594038][T16922]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  734.594041][T16922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.594042][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594044][T16922]  _printk (kernel/printk/printk.c:2504)
[  734.594047][T16922]  ? snapshot_read.cold (user.c:?)
[  734.594049][T16922]  ? br_multicast_flood (??:?)
[  734.594052][T16922]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  734.594055][T16922]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  734.594056][T16922]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  734.594058][T16922]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  734.594061][T16922]  br_init_port (net/bridge/br_stp_if.c:39)
[  734.594062][T16922]  new_nbp (net/bridge/br_if.c:449)
[  734.594065][T16922]  br_add_if (net/bridge/br_if.c:592)
[  734.594066][T16922]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  734.594070][T16922]  do_set_master (net/core/rtnetlink.c:3071)
[  734.594072][T16922]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  734.594074][T16922]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  734.594075][T16922]  ? __dev_get_by_name (net/core/dev.c:905)
[  734.594077][T16922]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  734.594085][T16922]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  734.594088][T16922]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  734.594090][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594091][T16922]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.594092][T16922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.594094][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594095][T16922]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  734.594098][T16922]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  734.594100][T16922]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  734.594102][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594104][T16922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.594105][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594106][T16922]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.594108][T16922]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  734.594110][T16922]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  734.594111][T16922]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  734.594113][T16922]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  734.594116][T16922]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  734.594119][T16922]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  734.594121][T16922]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.594123][T16922]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  734.594124][T16922]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  734.594127][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594128][T16922]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.594131][T16922]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  734.594133][T16922]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  734.594135][T16922]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  734.594138][T16922]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  734.594141][T16922]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  734.594143][T16922]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  734.594145][T16922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.594146][T16922]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  734.594150][T16922]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  734.594152][T16922]  ____sys_sendmsg (net/socket.c:2713)
[  734.594154][T16922]  ? copy_msghdr_from_user (net/socket.c:2650)
[  734.594156][T16922]  ? sock_write_iter (net/socket.c:1269)
[  734.594158][T16922]  ? move_addr_to_kernel (net/socket.c:258)
[  734.594160][T16922]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  734.594162][T16922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.594164][T16922]  ___sys_sendmsg (net/socket.c:2767)
[  734.594166][T16922]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  734.594168][T16922]  ? copy_msghdr_from_user (net/socket.c:2619)
[  734.594169][T16922]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  734.594174][T16922]  __sys_sendmsg (net/socket.c:2799)
[  734.594176][T16922]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  734.594178][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594180][T16922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.594181][T16922]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  734.594184][T16922]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  734.594185][T16922]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  734.594187][T16922] RIP: 0033:0x7f5e5c66f54e
[  734.594189][T16922] 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
[  734.594191][T16922] RSP: 002b:00007ffc0ebe60f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  734.594195][T16922] RAX: ffffffffffffffda RBX: 00007ffc0ebe68b8 RCX: 00007f5e5c66f54e
[  734.594196][T16922] RDX: 0000000000000000 RSI: 00007ffc0ebe61a0 RDI: 0000000000000005
[  734.594197][T16922] RBP: 00007ffc0ebe6100 R08: 0000000000000000 R09: 0000000000000000
[  734.594198][T16922] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebd0
[  734.594199][T16922] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0ebe6870
| [  735.927351][T16991] softirqs last disabled at (0): 0x0
| [  735.927353][T16991] Preemption disabled at:
| [  735.927354][T16991] vprintk_emit (kernel/printk/printk.c:2471)
| [  735.927364][T16991] Tainted: [W]=WARN
[  735.927365][T16991] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  735.927367][T16991] Call Trace:
[  735.927369][T16991]  <TASK>
[  735.927370][T16991]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  735.927376][T16991]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  735.927377][T16991]  __might_resched.cold (kernel/sched/core.c:9234)
[  735.927381][T16991]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  735.927385][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927387][T16991]  __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))
[  735.927390][T16991]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  735.927393][T16991]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  735.927398][T16991]  ? 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)
[  735.927400][T16991]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  735.927403][T16991]  put_chars (drivers/char/virtio_console.c:1176)
[  735.927404][T16991]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  735.927405][T16991]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  735.927408][T16991]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  735.927410][T16991]  ? pointer (lib/vsprintf.c:2577)
[  735.927414][T16991]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  735.927419][T16991]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  735.927420][T16991]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  735.927422][T16991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.927425][T16991]  console_emit_next_record (kernel/printk/printk.c:3183)
[  735.927428][T16991]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  735.927430][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927431][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927432][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927433][T16991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.927435][T16991]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  735.927437][T16991]  console_flush_one_record (kernel/printk/printk.c:3268)
[  735.927439][T16991]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  735.927442][T16991]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  735.927444][T16991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.927446][T16991]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  735.927448][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927449][T16991]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  735.927450][T16991]  ? 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)
[  735.927452][T16991]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  735.927453][T16991]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  735.927455][T16991]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  735.927457][T16991]  vprintk_emit (kernel/printk/printk.c:2479)
[  735.927459][T16991]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  735.927460][T16991]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  735.927462][T16991]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  735.927466][T16991]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  735.927468][T16991]  _printk (kernel/printk/printk.c:2504)
[  735.927471][T16991]  ? snapshot_read.cold (user.c:?)
[  735.927473][T16991]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  735.927475][T16991]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  735.927479][T16991]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  735.927480][T16991]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  735.927484][T16991]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  735.927486][T16991]  ? netdev_notice (net/core/dev.c:13194)
[  735.927488][T16991]  ? 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)
[  735.927490][T16991]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  735.927492][T16991]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  735.927494][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927495][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927496][T16991]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  735.927498][T16991]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  735.927499][T16991]  ? 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)
[  735.927501][T16991]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  735.927502][T16991]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  735.927504][T16991]  ? register_netdev (net/core/dev.c:11618)
[  735.927505][T16991]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  735.927507][T16991]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  735.927509][T16991]  ? __kernel_text_address (kernel/extable.c:79)
[  735.927512][T16991]  ? write_profile (profile.c:?)
[  735.927515][T16991]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  735.927518][T16991]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  735.927520][T16991]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  735.927522][T16991]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  735.927523][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927524][T16991]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  735.927528][T16991]  ? kasan_save_stack (mm/kasan/common.c:58)
[  735.927530][T16991]  ? kasan_save_stack (mm/kasan/common.c:57)
[  735.927531][T16991]  ? kasan_save_track (mm/kasan/common.c:78)
[  735.927532][T16991]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  735.927533][T16991]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  735.927534][T16991]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  735.927536][T16991]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  735.927537][T16991]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  735.927540][T16991]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  735.927542][T16991]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  735.927543][T16991]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  735.927546][T16991]  ? ____sys_sendmsg (net/socket.c:2713)
[  735.927547][T16991]  ? ___sys_sendmsg (net/socket.c:2767)
[  735.927549][T16991]  ? __sys_sendmsg (net/socket.c:2799)
[  735.927550][T16991]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  735.927553][T16991]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  735.927555][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927557][T16991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.927558][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927559][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927560][T16991]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  735.927562][T16991]  ? __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)
[  735.927563][T16991]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  735.927564][T16991]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  735.927566][T16991]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  735.927567][T16991]  ? nla_get_range_signed (lib/nlattr.c:270)
[  735.927570][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927571][T16991]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  735.927573][T16991]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  735.927575][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927577][T16991]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  735.927578][T16991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.927580][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927581][T16991]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  735.927583][T16991]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  735.927584][T16991]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  735.927586][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927587][T16991]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  735.927591][T16991]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  735.927593][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927594][T16991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.927596][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927597][T16991]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  735.927598][T16991]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  735.927600][T16991]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  735.927601][T16991]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  735.927603][T16991]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  735.927605][T16991]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  735.927607][T16991]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  735.927609][T16991]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  735.927610][T16991]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  735.927612][T16991]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  735.927615][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927616][T16991]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  735.927619][T16991]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  735.927621][T16991]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  735.927622][T16991]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  735.927624][T16991]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  735.927627][T16991]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  735.927628][T16991]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  735.927630][T16991]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.927631][T16991]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  735.927635][T16991]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  735.927637][T16991]  ____sys_sendmsg (net/socket.c:2713)
[  735.927638][T16991]  ? copy_msghdr_from_user (net/socket.c:2650)
[  735.927640][T16991]  ? sock_write_iter (net/socket.c:1269)
[  735.927642][T16991]  ? move_addr_to_kernel (net/socket.c:258)
[  735.927643][T16991]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  735.927648][T16991]  ___sys_sendmsg (net/socket.c:2767)
[  735.927650][T16991]  ? copy_msghdr_from_user (net/socket.c:2619)
[  735.927655][T16991]  __sys_sendmsg (net/socket.c:2799)
[  735.927657][T16991]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  735.927660][T16991]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.927662][T16991]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  735.927663][T16991]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  735.927665][T16991]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  735.927667][T16991] RIP: 0033:0x7fadd68a854e
[  735.927669][T16991] 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
[  735.927670][T16991] RSP: 002b:00007fff623d17d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  735.927674][T16991] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fadd68a854e
[  735.927675][T16991] RDX: 0000000000000000 RSI: 00007fff623d1880 RDI: 0000000000000005
[  735.927676][T16991] RBP: 00007fff623d17e0 R08: 0000000000000000 R09: 0000000000000000
[  735.927677][T16991] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebd2
[  735.927678][T16991] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff623d1f40
| [  736.961748][T17041] softirqs last disabled at (0): 0x0
| [  736.961750][T17041] Preemption disabled at:
| [  736.961751][T17041] vprintk_emit (kernel/printk/printk.c:2471)
| [  736.961761][T17041] Tainted: [W]=WARN
[  736.961762][T17041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  736.961764][T17041] Call Trace:
[  736.961766][T17041]  <TASK>
[  736.961767][T17041]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  736.961773][T17041]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  736.961774][T17041]  __might_resched.cold (kernel/sched/core.c:9234)
[  736.961778][T17041]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  736.961780][T17041]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  736.961783][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961786][T17041]  __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))
[  736.961789][T17041]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  736.961792][T17041]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  736.961797][T17041]  ? 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)
[  736.961798][T17041]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  736.961801][T17041]  put_chars (drivers/char/virtio_console.c:1176)
[  736.961803][T17041]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  736.961804][T17041]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  736.961807][T17041]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  736.961812][T17041]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  736.961813][T17041]  ? vsnprintf (lib/vsprintf.c:2900)
[  736.961817][T17041]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  736.961818][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961819][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961821][T17041]  console_emit_next_record (kernel/printk/printk.c:3183)
[  736.961824][T17041]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  736.961826][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961827][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961828][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961829][T17041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.961832][T17041]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  736.961833][T17041]  console_flush_one_record (kernel/printk/printk.c:3268)
[  736.961836][T17041]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  736.961839][T17041]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  736.961841][T17041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.961842][T17041]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  736.961844][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961845][T17041]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  736.961846][T17041]  ? 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)
[  736.961848][T17041]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  736.961849][T17041]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  736.961851][T17041]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  736.961853][T17041]  vprintk_emit (kernel/printk/printk.c:2479)
[  736.961855][T17041]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  736.961856][T17041]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  736.961858][T17041]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  736.961861][T17041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.961862][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961864][T17041]  _printk (kernel/printk/printk.c:2504)
[  736.961867][T17041]  ? snapshot_read.cold (user.c:?)
[  736.961869][T17041]  ? br_multicast_flood (??:?)
[  736.961872][T17041]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  736.961875][T17041]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  736.961876][T17041]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  736.961878][T17041]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  736.961881][T17041]  br_init_port (net/bridge/br_stp_if.c:39)
[  736.961883][T17041]  new_nbp (net/bridge/br_if.c:449)
[  736.961885][T17041]  br_add_if (net/bridge/br_if.c:592)
[  736.961887][T17041]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  736.961891][T17041]  do_set_master (net/core/rtnetlink.c:3071)
[  736.961893][T17041]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  736.961894][T17041]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  736.961896][T17041]  ? __dev_get_by_name (net/core/dev.c:905)
[  736.961898][T17041]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  736.961901][T17041]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  736.961904][T17041]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  736.961906][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961907][T17041]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  736.961909][T17041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.961910][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961912][T17041]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  736.961914][T17041]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  736.961916][T17041]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  736.961919][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961920][T17041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.961921][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961923][T17041]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  736.961924][T17041]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  736.961926][T17041]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  736.961927][T17041]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  736.961929][T17041]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  736.961932][T17041]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  736.961936][T17041]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  736.961937][T17041]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  736.961939][T17041]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  736.961940][T17041]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  736.961943][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961945][T17041]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  736.961947][T17041]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  736.961949][T17041]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  736.961951][T17041]  ? next_uptodate_folio (mm/filemap.c:3747)
[  736.961954][T17041]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  736.961956][T17041]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  736.961958][T17041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.961960][T17041]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  736.961963][T17041]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  736.961966][T17041]  ____sys_sendmsg (net/socket.c:2713)
[  736.961967][T17041]  ? copy_msghdr_from_user (net/socket.c:2650)
[  736.961970][T17041]  ? sock_write_iter (net/socket.c:1269)
[  736.961971][T17041]  ? move_addr_to_kernel (net/socket.c:258)
[  736.961973][T17041]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  736.961976][T17041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.961978][T17041]  ___sys_sendmsg (net/socket.c:2767)
[  736.961979][T17041]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  736.961981][T17041]  ? copy_msghdr_from_user (net/socket.c:2619)
[  736.961983][T17041]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  736.961987][T17041]  __sys_sendmsg (net/socket.c:2799)
[  736.961989][T17041]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  736.961992][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961993][T17041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.961994][T17041]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  736.961997][T17041]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  736.961999][T17041]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  736.962001][T17041] RIP: 0033:0x7fd7c3c7954e
[  736.962003][T17041] 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
[  736.962005][T17041] RSP: 002b:00007ffd5132df00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  736.962008][T17041] RAX: ffffffffffffffda RBX: 00007ffd5132e6c8 RCX: 00007fd7c3c7954e
[  736.962010][T17041] RDX: 0000000000000000 RSI: 00007ffd5132dfb0 RDI: 0000000000000005
[  736.962011][T17041] RBP: 00007ffd5132df10 R08: 0000000000000000 R09: 0000000000000000
[  736.962012][T17041] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebd3
[  736.962013][T17041] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5132e680
| [  772.374575][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  772.374578][   T12] Preemption disabled at:
| [  772.374579][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  772.374589][   T12] Tainted: [W]=WARN
[  772.374591][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  772.374593][   T12] Workqueue: netns cleanup_net
[  772.374599][   T12] Call Trace:
[  772.374601][   T12]  <TASK>
[  772.374602][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  772.374608][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  772.374609][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  772.374613][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  772.374616][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  772.374619][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.374622][   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))
[  772.374625][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  772.374628][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  772.374632][   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)
[  772.374634][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  772.374637][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  772.374639][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  772.374641][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  772.374643][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  772.374652][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  772.374654][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  772.374656][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  772.374658][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.374659][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.374661][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  772.374664][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  772.374667][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.374668][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.374669][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.374670][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.374673][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  772.374675][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  772.374678][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  772.374681][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  772.374684][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.374685][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  772.374687][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.374689][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  772.374690][   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)
[  772.374692][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  772.374694][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  772.374696][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  772.374698][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  772.374700][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  772.374702][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  772.374703][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  772.374706][   T12]  ? kthread (kernel/kthread.c:436)
[  772.374709][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  772.374712][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  772.374715][   T12]  _printk (kernel/printk/printk.c:2504)
[  772.374718][   T12]  ? snapshot_read.cold (user.c:?)
[  772.374720][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  772.374724][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  772.374726][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  772.374729][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  772.374731][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.374733][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  772.374734][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  772.374738][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  772.374739][   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)
[  772.374741][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  772.374743][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  772.374746][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  772.374750][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  772.374752][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  772.374754][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  772.374757][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  772.374759][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  772.374762][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  772.374763][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  772.374765][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  772.374768][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.374770][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.374771][   T12]  process_one_work (kernel/workqueue.c:3387)
[  772.374774][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  772.374777][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  772.374780][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  772.374783][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  772.374785][   T12]  kthread (kernel/kthread.c:436)
[  772.374787][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  772.374789][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  772.374791][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  772.374792][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  772.374795][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  772.374798][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  772.374800][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  773.650238][T19430] softirqs last disabled at (0): 0x0
| [  773.650240][T19430] Preemption disabled at:
| [  773.650241][T19430] vprintk_emit (kernel/printk/printk.c:2471)
| [  773.650252][T19430] Tainted: [W]=WARN
[  773.650253][T19430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  773.650255][T19430] Call Trace:
[  773.650257][T19430]  <TASK>
[  773.650258][T19430]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  773.650264][T19430]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  773.650265][T19430]  __might_resched.cold (kernel/sched/core.c:9234)
[  773.650269][T19430]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  773.650271][T19430]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  773.650275][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650277][T19430]  __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))
[  773.650280][T19430]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  773.650283][T19430]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  773.650288][T19430]  ? 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)
[  773.650290][T19430]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  773.650293][T19430]  put_chars (drivers/char/virtio_console.c:1176)
[  773.650294][T19430]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  773.650296][T19430]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  773.650299][T19430]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  773.650304][T19430]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  773.650306][T19430]  ? vsnprintf (lib/vsprintf.c:2900)
[  773.650309][T19430]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  773.650311][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650312][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650314][T19430]  console_emit_next_record (kernel/printk/printk.c:3183)
[  773.650317][T19430]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  773.650319][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650320][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650321][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650322][T19430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  773.650325][T19430]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  773.650327][T19430]  console_flush_one_record (kernel/printk/printk.c:3268)
[  773.650329][T19430]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  773.650332][T19430]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  773.650334][T19430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  773.650336][T19430]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  773.650338][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650339][T19430]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  773.650341][T19430]  ? 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)
[  773.650342][T19430]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  773.650344][T19430]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  773.650346][T19430]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  773.650347][T19430]  vprintk_emit (kernel/printk/printk.c:2479)
[  773.650349][T19430]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  773.650350][T19430]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  773.650352][T19430]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  773.650355][T19430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  773.650357][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650358][T19430]  _printk (kernel/printk/printk.c:2504)
[  773.650361][T19430]  ? snapshot_read.cold (user.c:?)
[  773.650363][T19430]  ? br_multicast_flood (??:?)
[  773.650367][T19430]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  773.650369][T19430]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  773.650370][T19430]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  773.650372][T19430]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  773.650375][T19430]  br_init_port (net/bridge/br_stp_if.c:39)
[  773.650377][T19430]  new_nbp (net/bridge/br_if.c:449)
[  773.650380][T19430]  br_add_if (net/bridge/br_if.c:592)
[  773.650382][T19430]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  773.650386][T19430]  do_set_master (net/core/rtnetlink.c:3071)
[  773.650388][T19430]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  773.650390][T19430]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  773.650391][T19430]  ? __dev_get_by_name (net/core/dev.c:905)
[  773.650393][T19430]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  773.650397][T19430]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  773.650400][T19430]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  773.650402][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650404][T19430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  773.650405][T19430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  773.650407][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650408][T19430]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  773.650411][T19430]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  773.650413][T19430]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  773.650415][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650416][T19430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  773.650418][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650419][T19430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  773.650421][T19430]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  773.650423][T19430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  773.650424][T19430]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  773.650426][T19430]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  773.650430][T19430]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  773.650433][T19430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  773.650435][T19430]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  773.650436][T19430]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  773.650438][T19430]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  773.650441][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650443][T19430]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  773.650445][T19430]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  773.650447][T19430]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  773.650449][T19430]  ? next_uptodate_folio (mm/filemap.c:3747)
[  773.650452][T19430]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  773.650454][T19430]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  773.650457][T19430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  773.650458][T19430]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  773.650462][T19430]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  773.650465][T19430]  ____sys_sendmsg (net/socket.c:2713)
[  773.650466][T19430]  ? copy_msghdr_from_user (net/socket.c:2650)
[  773.650468][T19430]  ? sock_write_iter (net/socket.c:1269)
[  773.650470][T19430]  ? move_addr_to_kernel (net/socket.c:258)
[  773.650472][T19430]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  773.650475][T19430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  773.650477][T19430]  ___sys_sendmsg (net/socket.c:2767)
[  773.650479][T19430]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  773.650480][T19430]  ? copy_msghdr_from_user (net/socket.c:2619)
[  773.650482][T19430]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  773.650487][T19430]  __sys_sendmsg (net/socket.c:2799)
[  773.650489][T19430]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  773.650491][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650493][T19430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.650494][T19430]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  773.650497][T19430]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  773.650499][T19430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  773.650501][T19430] RIP: 0033:0x7f8508d9954e
[  773.650503][T19430] 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
[  773.650505][T19430] RSP: 002b:00007ffd2a233590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  773.650509][T19430] RAX: ffffffffffffffda RBX: 00007ffd2a233d58 RCX: 00007f8508d9954e
[  773.650511][T19430] RDX: 0000000000000000 RSI: 00007ffd2a233640 RDI: 0000000000000005
[  773.650512][T19430] RBP: 00007ffd2a2335a0 R08: 0000000000000000 R09: 0000000000000000
[  773.650513][T19430] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebf8
[  773.650514][T19430] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2a233d10
| [  775.015017][T19499] softirqs last disabled at (0): 0x0
| [  775.015018][T19499] Preemption disabled at:
| [  775.015019][T19499] vprintk_emit (kernel/printk/printk.c:2471)
| [  775.015028][T19499] Tainted: [W]=WARN
[  775.015030][T19499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  775.015032][T19499] Call Trace:
[  775.015034][T19499]  <TASK>
[  775.015035][T19499]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  775.015040][T19499]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  775.015042][T19499]  __might_resched.cold (kernel/sched/core.c:9234)
[  775.015046][T19499]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  775.015049][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015052][T19499]  __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))
[  775.015055][T19499]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  775.015058][T19499]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  775.015063][T19499]  ? 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)
[  775.015064][T19499]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  775.015067][T19499]  put_chars (drivers/char/virtio_console.c:1176)
[  775.015069][T19499]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  775.015070][T19499]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  775.015072][T19499]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  775.015074][T19499]  ? pointer (lib/vsprintf.c:2577)
[  775.015078][T19499]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  775.015083][T19499]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  775.015084][T19499]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  775.015086][T19499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  775.015089][T19499]  console_emit_next_record (kernel/printk/printk.c:3183)
[  775.015091][T19499]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  775.015094][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015095][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015096][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015097][T19499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  775.015099][T19499]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  775.015101][T19499]  console_flush_one_record (kernel/printk/printk.c:3268)
[  775.015103][T19499]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  775.015106][T19499]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  775.015108][T19499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  775.015110][T19499]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  775.015111][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015112][T19499]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  775.015114][T19499]  ? 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)
[  775.015115][T19499]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  775.015117][T19499]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  775.015119][T19499]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  775.015120][T19499]  vprintk_emit (kernel/printk/printk.c:2479)
[  775.015122][T19499]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  775.015123][T19499]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  775.015126][T19499]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  775.015129][T19499]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  775.015131][T19499]  _printk (kernel/printk/printk.c:2504)
[  775.015134][T19499]  ? snapshot_read.cold (user.c:?)
[  775.015136][T19499]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  775.015138][T19499]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  775.015142][T19499]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  775.015144][T19499]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  775.015147][T19499]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  775.015149][T19499]  ? netdev_notice (net/core/dev.c:13194)
[  775.015151][T19499]  ? 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)
[  775.015153][T19499]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  775.015155][T19499]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  775.015157][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015158][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015159][T19499]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  775.015161][T19499]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  775.015162][T19499]  ? 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)
[  775.015164][T19499]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  775.015165][T19499]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  775.015166][T19499]  ? register_netdev (net/core/dev.c:11618)
[  775.015168][T19499]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  775.015170][T19499]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  775.015172][T19499]  ? __kernel_text_address (kernel/extable.c:79)
[  775.015174][T19499]  ? write_profile (profile.c:?)
[  775.015177][T19499]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  775.015181][T19499]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  775.015182][T19499]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  775.015184][T19499]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  775.015185][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015186][T19499]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  775.015190][T19499]  ? kasan_save_stack (mm/kasan/common.c:58)
[  775.015192][T19499]  ? kasan_save_stack (mm/kasan/common.c:57)
[  775.015193][T19499]  ? kasan_save_track (mm/kasan/common.c:78)
[  775.015194][T19499]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  775.015195][T19499]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  775.015196][T19499]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  775.015197][T19499]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  775.015198][T19499]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  775.015201][T19499]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  775.015203][T19499]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  775.015204][T19499]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  775.015207][T19499]  ? ____sys_sendmsg (net/socket.c:2713)
[  775.015208][T19499]  ? ___sys_sendmsg (net/socket.c:2767)
[  775.015210][T19499]  ? __sys_sendmsg (net/socket.c:2799)
[  775.015211][T19499]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  775.015214][T19499]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  775.015216][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015217][T19499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  775.015219][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015220][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015224][T19499]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  775.015226][T19499]  ? __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)
[  775.015227][T19499]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  775.015228][T19499]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  775.015230][T19499]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  775.015231][T19499]  ? nla_get_range_signed (lib/nlattr.c:270)
[  775.015234][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015235][T19499]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  775.015238][T19499]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  775.015240][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015241][T19499]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  775.015242][T19499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  775.015244][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015245][T19499]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  775.015247][T19499]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  775.015249][T19499]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  775.015250][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015251][T19499]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  775.015254][T19499]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  775.015257][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015258][T19499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  775.015260][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015261][T19499]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  775.015262][T19499]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  775.015264][T19499]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  775.015265][T19499]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  775.015267][T19499]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  775.015270][T19499]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  775.015271][T19499]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  775.015273][T19499]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  775.015274][T19499]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  775.015276][T19499]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  775.015279][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015280][T19499]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  775.015282][T19499]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  775.015284][T19499]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  775.015286][T19499]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  775.015288][T19499]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  775.015290][T19499]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  775.015292][T19499]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  775.015293][T19499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  775.015295][T19499]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  775.015298][T19499]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  775.015300][T19499]  ____sys_sendmsg (net/socket.c:2713)
[  775.015302][T19499]  ? copy_msghdr_from_user (net/socket.c:2650)
[  775.015303][T19499]  ? sock_write_iter (net/socket.c:1269)
[  775.015305][T19499]  ? move_addr_to_kernel (net/socket.c:258)
[  775.015306][T19499]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  775.015309][T19499]  ___sys_sendmsg (net/socket.c:2767)
[  775.015311][T19499]  ? copy_msghdr_from_user (net/socket.c:2619)
[  775.015316][T19499]  __sys_sendmsg (net/socket.c:2799)
[  775.015318][T19499]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  775.015321][T19499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.015322][T19499]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  775.015324][T19499]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  775.015326][T19499]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  775.015327][T19499] RIP: 0033:0x7fc3542ad54e
[  775.015329][T19499] 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
[  775.015331][T19499] RSP: 002b:00007ffcf48cdda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  775.015334][T19499] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc3542ad54e
[  775.015336][T19499] RDX: 0000000000000000 RSI: 00007ffcf48cde50 RDI: 0000000000000005
[  775.015337][T19499] RBP: 00007ffcf48cddb0 R08: 0000000000000000 R09: 0000000000000000
[  775.015338][T19499] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebf9
[  775.015338][T19499] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf48ce510
| [  776.080298][T19549] softirqs last disabled at (0): 0x0
| [  776.080300][T19549] Preemption disabled at:
| [  776.080301][T19549] vprintk_emit (kernel/printk/printk.c:2471)
| [  776.080310][T19549] Tainted: [W]=WARN
[  776.080311][T19549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  776.080313][T19549] Call Trace:
[  776.080315][T19549]  <TASK>
[  776.080316][T19549]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  776.080321][T19549]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  776.080323][T19549]  __might_resched.cold (kernel/sched/core.c:9234)
[  776.080326][T19549]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  776.080329][T19549]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  776.080332][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080335][T19549]  __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))
[  776.080338][T19549]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  776.080340][T19549]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  776.080345][T19549]  ? 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)
[  776.080347][T19549]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  776.080349][T19549]  put_chars (drivers/char/virtio_console.c:1176)
[  776.080351][T19549]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  776.080353][T19549]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  776.080355][T19549]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  776.080360][T19549]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  776.080362][T19549]  ? vsnprintf (lib/vsprintf.c:2900)
[  776.080365][T19549]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  776.080367][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080368][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080370][T19549]  console_emit_next_record (kernel/printk/printk.c:3183)
[  776.080372][T19549]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  776.080374][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080375][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080376][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080377][T19549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.080380][T19549]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  776.080381][T19549]  console_flush_one_record (kernel/printk/printk.c:3268)
[  776.080384][T19549]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  776.080387][T19549]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  776.080388][T19549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.080390][T19549]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  776.080392][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080393][T19549]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  776.080394][T19549]  ? 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)
[  776.080396][T19549]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  776.080397][T19549]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  776.080399][T19549]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  776.080401][T19549]  vprintk_emit (kernel/printk/printk.c:2479)
[  776.080402][T19549]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  776.080404][T19549]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  776.080405][T19549]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  776.080408][T19549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.080409][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080411][T19549]  _printk (kernel/printk/printk.c:2504)
[  776.080414][T19549]  ? snapshot_read.cold (user.c:?)
[  776.080416][T19549]  ? br_multicast_flood (??:?)
[  776.080419][T19549]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  776.080422][T19549]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  776.080423][T19549]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  776.080425][T19549]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  776.080428][T19549]  br_init_port (net/bridge/br_stp_if.c:39)
[  776.080430][T19549]  new_nbp (net/bridge/br_if.c:449)
[  776.080432][T19549]  br_add_if (net/bridge/br_if.c:592)
[  776.080434][T19549]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  776.080438][T19549]  do_set_master (net/core/rtnetlink.c:3071)
[  776.080440][T19549]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  776.080441][T19549]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  776.080443][T19549]  ? __dev_get_by_name (net/core/dev.c:905)
[  776.080445][T19549]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  776.080449][T19549]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  776.080451][T19549]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  776.080453][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080454][T19549]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  776.080456][T19549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.080457][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080459][T19549]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  776.080462][T19549]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  776.080463][T19549]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  776.080466][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080467][T19549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.080469][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080470][T19549]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  776.080471][T19549]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  776.080473][T19549]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  776.080474][T19549]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  776.080476][T19549]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  776.080480][T19549]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  776.080483][T19549]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  776.080484][T19549]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  776.080485][T19549]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  776.080487][T19549]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  776.080490][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080491][T19549]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  776.080493][T19549]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  776.080495][T19549]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  776.080497][T19549]  ? next_uptodate_folio (mm/filemap.c:3747)
[  776.080500][T19549]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  776.080502][T19549]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  776.080504][T19549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.080506][T19549]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  776.080509][T19549]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  776.080512][T19549]  ____sys_sendmsg (net/socket.c:2713)
[  776.080513][T19549]  ? copy_msghdr_from_user (net/socket.c:2650)
[  776.080515][T19549]  ? sock_write_iter (net/socket.c:1269)
[  776.080517][T19549]  ? move_addr_to_kernel (net/socket.c:258)
[  776.080519][T19549]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  776.080521][T19549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.080523][T19549]  ___sys_sendmsg (net/socket.c:2767)
[  776.080525][T19549]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  776.080527][T19549]  ? copy_msghdr_from_user (net/socket.c:2619)
[  776.080528][T19549]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  776.080533][T19549]  __sys_sendmsg (net/socket.c:2799)
[  776.080535][T19549]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  776.080537][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080538][T19549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.080540][T19549]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  776.080542][T19549]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  776.080544][T19549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  776.080546][T19549] RIP: 0033:0x7f5c4783254e
[  776.080548][T19549] 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
[  776.080550][T19549] RSP: 002b:00007fffe6eeff70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  776.080554][T19549] RAX: ffffffffffffffda RBX: 00007fffe6ef0738 RCX: 00007f5c4783254e
[  776.080555][T19549] RDX: 0000000000000000 RSI: 00007fffe6ef0020 RDI: 0000000000000005
[  776.080556][T19549] RBP: 00007fffe6eeff80 R08: 0000000000000000 R09: 0000000000000000
[  776.080557][T19549] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ebfa
[  776.080558][T19549] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe6ef06f0
| [  811.504917][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  811.504919][   T12] Preemption disabled at:
| [  811.504920][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  811.504930][   T12] Tainted: [W]=WARN
[  811.504931][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  811.504933][   T12] Workqueue: netns cleanup_net
[  811.504939][   T12] Call Trace:
[  811.504941][   T12]  <TASK>
[  811.504943][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  811.504948][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  811.504949][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  811.504953][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  811.504956][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  811.504959][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.504961][   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))
[  811.504964][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  811.504967][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  811.504972][   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)
[  811.504974][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  811.504976][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  811.504978][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  811.504980][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  811.504983][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  811.504987][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  811.504989][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  811.504991][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  811.504993][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.504994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.504996][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  811.504998][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  811.505001][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.505002][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.505003][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.505004][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  811.505006][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  811.505008][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  811.505010][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  811.505013][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  811.505015][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  811.505016][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  811.505018][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.505019][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  811.505021][   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)
[  811.505022][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  811.505024][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  811.505026][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  811.505027][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  811.505029][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  811.505030][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  811.505031][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  811.505034][   T12]  ? kthread (kernel/kthread.c:436)
[  811.505037][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  811.505039][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  811.505042][   T12]  _printk (kernel/printk/printk.c:2504)
[  811.505045][   T12]  ? snapshot_read.cold (user.c:?)
[  811.505047][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  811.505050][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  811.505052][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  811.505054][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  811.505057][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.505058][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  811.505059][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  811.505062][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  811.505063][   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)
[  811.505065][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  811.505067][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  811.505070][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  811.505073][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  811.505076][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  811.505078][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  811.505080][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  811.505082][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  811.505085][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  811.505086][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  811.505088][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  811.505090][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.505092][   T12]  process_one_work (kernel/workqueue.c:3387)
[  811.505095][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  811.505097][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  811.505100][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  811.505103][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  811.505104][   T12]  kthread (kernel/kthread.c:436)
[  811.505106][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  811.505108][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  811.505109][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  811.505111][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  811.505113][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  811.505116][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  811.505118][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  812.773163][T21842] softirqs last disabled at (0): 0x0
| [  812.773164][T21842] Preemption disabled at:
| [  812.773165][T21842] vprintk_emit (kernel/printk/printk.c:2471)
| [  812.773175][T21842] Tainted: [W]=WARN
[  812.773176][T21842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  812.773178][T21842] Call Trace:
[  812.773179][T21842]  <TASK>
[  812.773181][T21842]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  812.773186][T21842]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  812.773188][T21842]  __might_resched.cold (kernel/sched/core.c:9234)
[  812.773192][T21842]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  812.773194][T21842]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  812.773197][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773199][T21842]  __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))
[  812.773202][T21842]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  812.773205][T21842]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  812.773210][T21842]  ? 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)
[  812.773212][T21842]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  812.773214][T21842]  put_chars (drivers/char/virtio_console.c:1176)
[  812.773216][T21842]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  812.773218][T21842]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  812.773220][T21842]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  812.773225][T21842]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  812.773227][T21842]  ? vsnprintf (lib/vsprintf.c:2900)
[  812.773230][T21842]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  812.773232][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773233][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773235][T21842]  console_emit_next_record (kernel/printk/printk.c:3183)
[  812.773237][T21842]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  812.773239][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773240][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773241][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773242][T21842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.773245][T21842]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  812.773247][T21842]  console_flush_one_record (kernel/printk/printk.c:3268)
[  812.773249][T21842]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  812.773252][T21842]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  812.773254][T21842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.773255][T21842]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  812.773257][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773258][T21842]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  812.773260][T21842]  ? 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)
[  812.773261][T21842]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  812.773263][T21842]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  812.773265][T21842]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  812.773266][T21842]  vprintk_emit (kernel/printk/printk.c:2479)
[  812.773268][T21842]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  812.773269][T21842]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  812.773271][T21842]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  812.773274][T21842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.773275][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773277][T21842]  _printk (kernel/printk/printk.c:2504)
[  812.773280][T21842]  ? snapshot_read.cold (user.c:?)
[  812.773282][T21842]  ? br_multicast_flood (??:?)
[  812.773286][T21842]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  812.773288][T21842]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  812.773290][T21842]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  812.773291][T21842]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  812.773294][T21842]  br_init_port (net/bridge/br_stp_if.c:39)
[  812.773296][T21842]  new_nbp (net/bridge/br_if.c:449)
[  812.773298][T21842]  br_add_if (net/bridge/br_if.c:592)
[  812.773300][T21842]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  812.773304][T21842]  do_set_master (net/core/rtnetlink.c:3071)
[  812.773306][T21842]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  812.773307][T21842]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  812.773309][T21842]  ? __dev_get_by_name (net/core/dev.c:905)
[  812.773311][T21842]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  812.773315][T21842]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  812.773317][T21842]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  812.773319][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773320][T21842]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  812.773322][T21842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.773323][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773325][T21842]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  812.773328][T21842]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  812.773330][T21842]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  812.773332][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773333][T21842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.773335][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773336][T21842]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  812.773338][T21842]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  812.773340][T21842]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  812.773341][T21842]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  812.773342][T21842]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  812.773346][T21842]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  812.773349][T21842]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  812.773351][T21842]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  812.773352][T21842]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  812.773358][T21842]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  812.773361][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773362][T21842]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  812.773364][T21842]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  812.773366][T21842]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  812.773368][T21842]  ? next_uptodate_folio (mm/filemap.c:3747)
[  812.773371][T21842]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  812.773374][T21842]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  812.773376][T21842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.773377][T21842]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  812.773381][T21842]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  812.773383][T21842]  ____sys_sendmsg (net/socket.c:2713)
[  812.773385][T21842]  ? copy_msghdr_from_user (net/socket.c:2650)
[  812.773387][T21842]  ? sock_write_iter (net/socket.c:1269)
[  812.773388][T21842]  ? move_addr_to_kernel (net/socket.c:258)
[  812.773390][T21842]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  812.773393][T21842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.773395][T21842]  ___sys_sendmsg (net/socket.c:2767)
[  812.773396][T21842]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  812.773398][T21842]  ? copy_msghdr_from_user (net/socket.c:2619)
[  812.773400][T21842]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  812.773404][T21842]  __sys_sendmsg (net/socket.c:2799)
[  812.773406][T21842]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  812.773409][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773410][T21842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.773411][T21842]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  812.773414][T21842]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  812.773416][T21842]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  812.773418][T21842] RIP: 0033:0x7f50d2ce354e
[  812.773420][T21842] 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
[  812.773422][T21842] RSP: 002b:00007ffc49a2b920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  812.773426][T21842] RAX: ffffffffffffffda RBX: 00007ffc49a2c0e8 RCX: 00007f50d2ce354e
[  812.773427][T21842] RDX: 0000000000000000 RSI: 00007ffc49a2b9d0 RDI: 0000000000000005
[  812.773428][T21842] RBP: 00007ffc49a2b930 R08: 0000000000000000 R09: 0000000000000000
[  812.773429][T21842] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec1f
[  812.773430][T21842] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc49a2c0a0
| [  814.061018][T21911] softirqs last disabled at (0): 0x0
| [  814.061020][T21911] Preemption disabled at:
| [  814.061021][T21911] vprintk_emit (kernel/printk/printk.c:2471)
| [  814.061031][T21911] Tainted: [W]=WARN
[  814.061032][T21911] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  814.061033][T21911] Call Trace:
[  814.061035][T21911]  <TASK>
[  814.061036][T21911]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  814.061041][T21911]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  814.061043][T21911]  __might_resched.cold (kernel/sched/core.c:9234)
[  814.061046][T21911]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  814.061050][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061053][T21911]  __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))
[  814.061055][T21911]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  814.061058][T21911]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  814.061063][T21911]  ? 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)
[  814.061065][T21911]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  814.061068][T21911]  put_chars (drivers/char/virtio_console.c:1176)
[  814.061069][T21911]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  814.061071][T21911]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  814.061073][T21911]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  814.061075][T21911]  ? pointer (lib/vsprintf.c:2577)
[  814.061078][T21911]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  814.061083][T21911]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  814.061085][T21911]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  814.061087][T21911]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.061089][T21911]  console_emit_next_record (kernel/printk/printk.c:3183)
[  814.061092][T21911]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  814.061094][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061095][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061096][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061097][T21911]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.061099][T21911]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  814.061101][T21911]  console_flush_one_record (kernel/printk/printk.c:3268)
[  814.061103][T21911]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  814.061106][T21911]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  814.061108][T21911]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.061110][T21911]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  814.061111][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061112][T21911]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  814.061114][T21911]  ? 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)
[  814.061115][T21911]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  814.061117][T21911]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  814.061119][T21911]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  814.061120][T21911]  vprintk_emit (kernel/printk/printk.c:2479)
[  814.061122][T21911]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  814.061123][T21911]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  814.061126][T21911]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  814.061129][T21911]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  814.061131][T21911]  _printk (kernel/printk/printk.c:2504)
[  814.061134][T21911]  ? snapshot_read.cold (user.c:?)
[  814.061136][T21911]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  814.061138][T21911]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  814.061142][T21911]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  814.061144][T21911]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  814.061147][T21911]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  814.061149][T21911]  ? netdev_notice (net/core/dev.c:13194)
[  814.061151][T21911]  ? 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)
[  814.061153][T21911]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  814.061156][T21911]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  814.061157][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061158][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061159][T21911]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  814.061160][T21911]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  814.061162][T21911]  ? 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)
[  814.061163][T21911]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  814.061165][T21911]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  814.061166][T21911]  ? register_netdev (net/core/dev.c:11618)
[  814.061168][T21911]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  814.061170][T21911]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  814.061172][T21911]  ? __kernel_text_address (kernel/extable.c:79)
[  814.061174][T21911]  ? write_profile (profile.c:?)
[  814.061178][T21911]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  814.061181][T21911]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  814.061183][T21911]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  814.061185][T21911]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  814.061186][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061187][T21911]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  814.061190][T21911]  ? kasan_save_stack (mm/kasan/common.c:58)
[  814.061192][T21911]  ? kasan_save_stack (mm/kasan/common.c:57)
[  814.061193][T21911]  ? kasan_save_track (mm/kasan/common.c:78)
[  814.061194][T21911]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  814.061195][T21911]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  814.061197][T21911]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  814.061198][T21911]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  814.061199][T21911]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  814.061202][T21911]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  814.061203][T21911]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  814.061205][T21911]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  814.061207][T21911]  ? ____sys_sendmsg (net/socket.c:2713)
[  814.061208][T21911]  ? ___sys_sendmsg (net/socket.c:2767)
[  814.061210][T21911]  ? __sys_sendmsg (net/socket.c:2799)
[  814.061212][T21911]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  814.061214][T21911]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  814.061216][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061217][T21911]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.061219][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061220][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061221][T21911]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  814.061222][T21911]  ? __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)
[  814.061223][T21911]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  814.061225][T21911]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  814.061227][T21911]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  814.061228][T21911]  ? nla_get_range_signed (lib/nlattr.c:270)
[  814.061231][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061232][T21911]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  814.061234][T21911]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  814.061236][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061237][T21911]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  814.061238][T21911]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.061240][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061241][T21911]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  814.061244][T21911]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  814.061245][T21911]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  814.061246][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061248][T21911]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  814.061251][T21911]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  814.061253][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061254][T21911]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.061256][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061257][T21911]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  814.061258][T21911]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  814.061260][T21911]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  814.061261][T21911]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  814.061263][T21911]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  814.061265][T21911]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  814.061267][T21911]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  814.061268][T21911]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  814.061270][T21911]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  814.061271][T21911]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  814.061274][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061276][T21911]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  814.061278][T21911]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  814.061280][T21911]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  814.061282][T21911]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  814.061284][T21911]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  814.061286][T21911]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  814.061287][T21911]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  814.061289][T21911]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.061290][T21911]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  814.061294][T21911]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  814.061295][T21911]  ____sys_sendmsg (net/socket.c:2713)
[  814.061297][T21911]  ? copy_msghdr_from_user (net/socket.c:2650)
[  814.061299][T21911]  ? sock_write_iter (net/socket.c:1269)
[  814.061300][T21911]  ? move_addr_to_kernel (net/socket.c:258)
[  814.061302][T21911]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  814.061304][T21911]  ___sys_sendmsg (net/socket.c:2767)
[  814.061306][T21911]  ? copy_msghdr_from_user (net/socket.c:2619)
[  814.061311][T21911]  __sys_sendmsg (net/socket.c:2799)
[  814.061313][T21911]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  814.061316][T21911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.061317][T21911]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  814.061319][T21911]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  814.061321][T21911]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  814.061322][T21911] RIP: 0033:0x7f159789954e
[  814.061324][T21911] 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
[  814.061326][T21911] RSP: 002b:00007ffcbf63de00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  814.061330][T21911] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f159789954e
[  814.061331][T21911] RDX: 0000000000000000 RSI: 00007ffcbf63deb0 RDI: 0000000000000005
[  814.061332][T21911] RBP: 00007ffcbf63de10 R08: 0000000000000000 R09: 0000000000000000
[  814.061333][T21911] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec20
[  814.061334][T21911] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbf63e570
| [  815.115265][T21961] softirqs last disabled at (0): 0x0
| [  815.115267][T21961] Preemption disabled at:
| [  815.115268][T21961] vprintk_emit (kernel/printk/printk.c:2471)
| [  815.115278][T21961] Tainted: [W]=WARN
[  815.115279][T21961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  815.115281][T21961] Call Trace:
[  815.115283][T21961]  <TASK>
[  815.115284][T21961]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  815.115289][T21961]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  815.115291][T21961]  __might_resched.cold (kernel/sched/core.c:9234)
[  815.115295][T21961]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  815.115297][T21961]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  815.115300][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115303][T21961]  __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))
[  815.115306][T21961]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  815.115309][T21961]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  815.115314][T21961]  ? 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)
[  815.115316][T21961]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  815.115319][T21961]  put_chars (drivers/char/virtio_console.c:1176)
[  815.115320][T21961]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  815.115322][T21961]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  815.115325][T21961]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  815.115329][T21961]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  815.115331][T21961]  ? vsnprintf (lib/vsprintf.c:2900)
[  815.115334][T21961]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  815.115336][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115337][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115339][T21961]  console_emit_next_record (kernel/printk/printk.c:3183)
[  815.115341][T21961]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  815.115343][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115344][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115345][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115346][T21961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.115349][T21961]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  815.115351][T21961]  console_flush_one_record (kernel/printk/printk.c:3268)
[  815.115353][T21961]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  815.115356][T21961]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  815.115358][T21961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.115360][T21961]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  815.115365][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115366][T21961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  815.115368][T21961]  ? 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)
[  815.115370][T21961]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  815.115371][T21961]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  815.115373][T21961]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  815.115375][T21961]  vprintk_emit (kernel/printk/printk.c:2479)
[  815.115376][T21961]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  815.115378][T21961]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  815.115379][T21961]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  815.115382][T21961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.115384][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115385][T21961]  _printk (kernel/printk/printk.c:2504)
[  815.115388][T21961]  ? snapshot_read.cold (user.c:?)
[  815.115391][T21961]  ? br_multicast_flood (??:?)
[  815.115394][T21961]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  815.115397][T21961]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  815.115398][T21961]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  815.115400][T21961]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  815.115403][T21961]  br_init_port (net/bridge/br_stp_if.c:39)
[  815.115404][T21961]  new_nbp (net/bridge/br_if.c:449)
[  815.115407][T21961]  br_add_if (net/bridge/br_if.c:592)
[  815.115408][T21961]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  815.115412][T21961]  do_set_master (net/core/rtnetlink.c:3071)
[  815.115414][T21961]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  815.115416][T21961]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  815.115417][T21961]  ? __dev_get_by_name (net/core/dev.c:905)
[  815.115419][T21961]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  815.115423][T21961]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  815.115426][T21961]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  815.115428][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115429][T21961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  815.115430][T21961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.115432][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115433][T21961]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  815.115436][T21961]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  815.115438][T21961]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  815.115440][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115441][T21961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.115443][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115444][T21961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  815.115446][T21961]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  815.115447][T21961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  815.115449][T21961]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  815.115450][T21961]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  815.115454][T21961]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  815.115457][T21961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  815.115459][T21961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  815.115460][T21961]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  815.115462][T21961]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  815.115465][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115466][T21961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  815.115468][T21961]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  815.115470][T21961]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  815.115472][T21961]  ? next_uptodate_folio (mm/filemap.c:3747)
[  815.115475][T21961]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  815.115477][T21961]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  815.115479][T21961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.115481][T21961]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  815.115484][T21961]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  815.115487][T21961]  ____sys_sendmsg (net/socket.c:2713)
[  815.115489][T21961]  ? copy_msghdr_from_user (net/socket.c:2650)
[  815.115491][T21961]  ? sock_write_iter (net/socket.c:1269)
[  815.115492][T21961]  ? move_addr_to_kernel (net/socket.c:258)
[  815.115494][T21961]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  815.115497][T21961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.115499][T21961]  ___sys_sendmsg (net/socket.c:2767)
[  815.115500][T21961]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  815.115502][T21961]  ? copy_msghdr_from_user (net/socket.c:2619)
[  815.115504][T21961]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  815.115508][T21961]  __sys_sendmsg (net/socket.c:2799)
[  815.115510][T21961]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  815.115513][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115514][T21961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.115515][T21961]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  815.115518][T21961]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  815.115520][T21961]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  815.115522][T21961] RIP: 0033:0x7fb111b7154e
[  815.115524][T21961] 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
[  815.115526][T21961] RSP: 002b:00007ffd6caee690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  815.115530][T21961] RAX: ffffffffffffffda RBX: 00007ffd6caeee58 RCX: 00007fb111b7154e
[  815.115531][T21961] RDX: 0000000000000000 RSI: 00007ffd6caee740 RDI: 0000000000000005
[  815.115532][T21961] RBP: 00007ffd6caee6a0 R08: 0000000000000000 R09: 0000000000000000
[  815.115533][T21961] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec21
[  815.115534][T21961] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6caeee10
| [  850.564396][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  850.564399][   T12] Preemption disabled at:
| [  850.564400][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  850.564409][   T12] Tainted: [W]=WARN
[  850.564410][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  850.564413][   T12] Workqueue: netns cleanup_net
[  850.564418][   T12] Call Trace:
[  850.564420][   T12]  <TASK>
[  850.564421][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  850.564427][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  850.564428][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  850.564431][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  850.564434][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  850.564437][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.564440][   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))
[  850.564442][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  850.564445][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  850.564450][   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)
[  850.564451][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  850.564454][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  850.564455][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  850.564457][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  850.564460][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  850.564464][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  850.564466][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  850.564468][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  850.564470][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.564471][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.564473][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  850.564475][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  850.564477][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.564478][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.564479][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.564480][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.564483][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  850.564485][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  850.564495][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  850.564498][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  850.564500][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.564501][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  850.564503][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.564504][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  850.564506][   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)
[  850.564507][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  850.564509][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  850.564511][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  850.564512][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  850.564514][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  850.564515][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  850.564517][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  850.564520][   T12]  ? kthread (kernel/kthread.c:436)
[  850.564521][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  850.564524][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  850.564527][   T12]  _printk (kernel/printk/printk.c:2504)
[  850.564529][   T12]  ? snapshot_read.cold (user.c:?)
[  850.564532][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  850.564535][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  850.564537][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  850.564539][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  850.564541][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.564543][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  850.564544][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  850.564547][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  850.564548][   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)
[  850.564550][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  850.564552][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  850.564554][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  850.564558][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  850.564560][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  850.564563][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  850.564565][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  850.564567][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  850.564569][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  850.564571][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  850.564573][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.564575][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.564577][   T12]  process_one_work (kernel/workqueue.c:3387)
[  850.564579][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  850.564582][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  850.564584][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  850.564587][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  850.564589][   T12]  kthread (kernel/kthread.c:436)
[  850.564591][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  850.564593][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  850.564595][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  850.564596][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  850.564598][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  850.564601][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  850.564603][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  851.778808][T24101] softirqs last disabled at (0): 0x0
| [  851.778810][T24101] Preemption disabled at:
| [  851.778811][T24101] vprintk_emit (kernel/printk/printk.c:2471)
| [  851.778821][T24101] Tainted: [W]=WARN
[  851.778822][T24101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  851.778824][T24101] Call Trace:
[  851.778825][T24101]  <TASK>
[  851.778827][T24101]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  851.778833][T24101]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  851.778834][T24101]  __might_resched.cold (kernel/sched/core.c:9234)
[  851.778838][T24101]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  851.778840][T24101]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  851.778843][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.778846][T24101]  __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))
[  851.778849][T24101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  851.778852][T24101]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  851.778857][T24101]  ? 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)
[  851.778858][T24101]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  851.778861][T24101]  put_chars (drivers/char/virtio_console.c:1176)
[  851.778863][T24101]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  851.778864][T24101]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  851.778867][T24101]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  851.778872][T24101]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  851.778873][T24101]  ? vsnprintf (lib/vsprintf.c:2900)
[  851.778877][T24101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  851.778878][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.778880][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.778881][T24101]  console_emit_next_record (kernel/printk/printk.c:3183)
[  851.778884][T24101]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  851.778886][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.778887][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.778888][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.778889][T24101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.778892][T24101]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  851.778894][T24101]  console_flush_one_record (kernel/printk/printk.c:3268)
[  851.778896][T24101]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  851.778899][T24101]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  851.778901][T24101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.778902][T24101]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  851.778904][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.778905][T24101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  851.778907][T24101]  ? 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)
[  851.778908][T24101]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  851.778910][T24101]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  851.778912][T24101]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  851.778913][T24101]  vprintk_emit (kernel/printk/printk.c:2479)
[  851.778915][T24101]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  851.778916][T24101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  851.778918][T24101]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  851.778921][T24101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.778923][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.778924][T24101]  _printk (kernel/printk/printk.c:2504)
[  851.778927][T24101]  ? snapshot_read.cold (user.c:?)
[  851.778929][T24101]  ? br_multicast_flood (??:?)
[  851.778932][T24101]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  851.778935][T24101]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  851.778936][T24101]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  851.778938][T24101]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  851.778941][T24101]  br_init_port (net/bridge/br_stp_if.c:39)
[  851.778943][T24101]  new_nbp (net/bridge/br_if.c:449)
[  851.778945][T24101]  br_add_if (net/bridge/br_if.c:592)
[  851.778947][T24101]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  851.778951][T24101]  do_set_master (net/core/rtnetlink.c:3071)
[  851.778953][T24101]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  851.778955][T24101]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  851.778956][T24101]  ? __dev_get_by_name (net/core/dev.c:905)
[  851.778958][T24101]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  851.778962][T24101]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  851.778964][T24101]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  851.778966][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.778968][T24101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  851.778969][T24101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.778971][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.778972][T24101]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  851.778975][T24101]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  851.778977][T24101]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  851.778979][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.778981][T24101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.778982][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.778983][T24101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  851.778985][T24101]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  851.778987][T24101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  851.778988][T24101]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  851.778990][T24101]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  851.778994][T24101]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  851.778997][T24101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  851.778998][T24101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  851.779000][T24101]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  851.779001][T24101]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  851.779005][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.779006][T24101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  851.779008][T24101]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  851.779010][T24101]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  851.779012][T24101]  ? next_uptodate_folio (mm/filemap.c:3747)
[  851.779015][T24101]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  851.779017][T24101]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  851.779019][T24101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.779021][T24101]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  851.779024][T24101]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  851.779027][T24101]  ____sys_sendmsg (net/socket.c:2713)
[  851.779029][T24101]  ? copy_msghdr_from_user (net/socket.c:2650)
[  851.779031][T24101]  ? sock_write_iter (net/socket.c:1269)
[  851.779032][T24101]  ? move_addr_to_kernel (net/socket.c:258)
[  851.779034][T24101]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  851.779037][T24101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.779039][T24101]  ___sys_sendmsg (net/socket.c:2767)
[  851.779041][T24101]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  851.779042][T24101]  ? copy_msghdr_from_user (net/socket.c:2619)
[  851.779044][T24101]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  851.779048][T24101]  __sys_sendmsg (net/socket.c:2799)
[  851.779051][T24101]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  851.779053][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.779054][T24101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.779056][T24101]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  851.779059][T24101]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  851.779061][T24101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  851.779063][T24101] RIP: 0033:0x7f11b247754e
[  851.779065][T24101] 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
[  851.779067][T24101] RSP: 002b:00007ffee6733db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  851.779071][T24101] RAX: ffffffffffffffda RBX: 00007ffee6734578 RCX: 00007f11b247754e
[  851.779072][T24101] RDX: 0000000000000000 RSI: 00007ffee6733e60 RDI: 0000000000000005
[  851.779073][T24101] RBP: 00007ffee6733dc0 R08: 0000000000000000 R09: 0000000000000000
[  851.779074][T24101] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec46
[  851.779075][T24101] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee6734530
| [  853.068970][T24169] softirqs last disabled at (0): 0x0
| [  853.068973][T24169] Preemption disabled at:
| [  853.068974][T24169] vprintk_emit (kernel/printk/printk.c:2471)
| [  853.068983][T24169] Tainted: [W]=WARN
[  853.068984][T24169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  853.068986][T24169] Call Trace:
[  853.068988][T24169]  <TASK>
[  853.068989][T24169]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  853.068995][T24169]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  853.068997][T24169]  __might_resched.cold (kernel/sched/core.c:9234)
[  853.069001][T24169]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  853.069004][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069006][T24169]  __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))
[  853.069009][T24169]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  853.069012][T24169]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  853.069017][T24169]  ? 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)
[  853.069019][T24169]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  853.069022][T24169]  put_chars (drivers/char/virtio_console.c:1176)
[  853.069023][T24169]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  853.069024][T24169]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  853.069027][T24169]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  853.069029][T24169]  ? pointer (lib/vsprintf.c:2577)
[  853.069033][T24169]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  853.069037][T24169]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  853.069039][T24169]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  853.069041][T24169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.069043][T24169]  console_emit_next_record (kernel/printk/printk.c:3183)
[  853.069046][T24169]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  853.069048][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069049][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069050][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069051][T24169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.069053][T24169]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  853.069055][T24169]  console_flush_one_record (kernel/printk/printk.c:3268)
[  853.069057][T24169]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  853.069060][T24169]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  853.069062][T24169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.069063][T24169]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  853.069065][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069066][T24169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  853.069067][T24169]  ? 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)
[  853.069069][T24169]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  853.069070][T24169]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  853.069072][T24169]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  853.069073][T24169]  vprintk_emit (kernel/printk/printk.c:2479)
[  853.069075][T24169]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  853.069077][T24169]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  853.069079][T24169]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  853.069082][T24169]  _printk (kernel/printk/printk.c:2504)
[  853.069084][T24169]  ? snapshot_read.cold (user.c:?)
[  853.069086][T24169]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  853.069089][T24169]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  853.069092][T24169]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  853.069094][T24169]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  853.069097][T24169]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  853.069099][T24169]  ? netdev_notice (net/core/dev.c:13194)
[  853.069101][T24169]  ? 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)
[  853.069103][T24169]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  853.069105][T24169]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  853.069107][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069108][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069109][T24169]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  853.069112][T24169]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  853.069113][T24169]  ? 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)
[  853.069115][T24169]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  853.069116][T24169]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  853.069118][T24169]  ? register_netdev (net/core/dev.c:11618)
[  853.069119][T24169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  853.069121][T24169]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  853.069123][T24169]  ? __kernel_text_address (kernel/extable.c:79)
[  853.069126][T24169]  ? write_profile (profile.c:?)
[  853.069128][T24169]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  853.069132][T24169]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  853.069134][T24169]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  853.069135][T24169]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  853.069136][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069138][T24169]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  853.069141][T24169]  ? kasan_save_stack (mm/kasan/common.c:58)
[  853.069143][T24169]  ? kasan_save_stack (mm/kasan/common.c:57)
[  853.069144][T24169]  ? kasan_save_track (mm/kasan/common.c:78)
[  853.069145][T24169]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  853.069146][T24169]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  853.069147][T24169]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  853.069148][T24169]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  853.069150][T24169]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  853.069153][T24169]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  853.069154][T24169]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  853.069156][T24169]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  853.069158][T24169]  ? ____sys_sendmsg (net/socket.c:2713)
[  853.069159][T24169]  ? ___sys_sendmsg (net/socket.c:2767)
[  853.069161][T24169]  ? __sys_sendmsg (net/socket.c:2799)
[  853.069163][T24169]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  853.069165][T24169]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  853.069167][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069168][T24169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.069170][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069171][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069172][T24169]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  853.069174][T24169]  ? __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)
[  853.069175][T24169]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  853.069176][T24169]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  853.069178][T24169]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  853.069179][T24169]  ? nla_get_range_signed (lib/nlattr.c:270)
[  853.069182][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069183][T24169]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  853.069185][T24169]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  853.069187][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069188][T24169]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  853.069189][T24169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.069191][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069192][T24169]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  853.069195][T24169]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  853.069196][T24169]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  853.069197][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069199][T24169]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  853.069202][T24169]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  853.069204][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069205][T24169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.069207][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069208][T24169]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  853.069210][T24169]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  853.069211][T24169]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  853.069213][T24169]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  853.069214][T24169]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  853.069216][T24169]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  853.069218][T24169]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  853.069220][T24169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  853.069221][T24169]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  853.069223][T24169]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  853.069226][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069227][T24169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  853.069229][T24169]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  853.069231][T24169]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  853.069233][T24169]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  853.069235][T24169]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  853.069237][T24169]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  853.069239][T24169]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  853.069240][T24169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.069242][T24169]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  853.069245][T24169]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  853.069247][T24169]  ____sys_sendmsg (net/socket.c:2713)
[  853.069249][T24169]  ? copy_msghdr_from_user (net/socket.c:2650)
[  853.069250][T24169]  ? sock_write_iter (net/socket.c:1269)
[  853.069252][T24169]  ? move_addr_to_kernel (net/socket.c:258)
[  853.069253][T24169]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  853.069256][T24169]  ___sys_sendmsg (net/socket.c:2767)
[  853.069258][T24169]  ? copy_msghdr_from_user (net/socket.c:2619)
[  853.069262][T24169]  __sys_sendmsg (net/socket.c:2799)
[  853.069264][T24169]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  853.069267][T24169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.069269][T24169]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  853.069270][T24169]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  853.069272][T24169]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  853.069274][T24169] RIP: 0033:0x7ff049c9754e
[  853.069276][T24169] 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
[  853.069278][T24169] RSP: 002b:00007ffe801d56c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  853.069282][T24169] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff049c9754e
[  853.069283][T24169] RDX: 0000000000000000 RSI: 00007ffe801d5770 RDI: 0000000000000005
[  853.069284][T24169] RBP: 00007ffe801d56d0 R08: 0000000000000000 R09: 0000000000000000
[  853.069285][T24169] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec47
[  853.069286][T24169] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe801d5e30
| [  854.151627][T24227] softirqs last disabled at (0): 0x0
| [  854.151629][T24227] Preemption disabled at:
| [  854.151630][T24227] vprintk_emit (kernel/printk/printk.c:2471)
| [  854.151639][T24227] Tainted: [W]=WARN
[  854.151641][T24227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  854.151642][T24227] Call Trace:
[  854.151644][T24227]  <TASK>
[  854.151647][T24227]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  854.151653][T24227]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  854.151654][T24227]  __might_resched.cold (kernel/sched/core.c:9234)
[  854.151658][T24227]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  854.151660][T24227]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  854.151664][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151666][T24227]  __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))
[  854.151669][T24227]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  854.151672][T24227]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  854.151677][T24227]  ? 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)
[  854.151679][T24227]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  854.151682][T24227]  put_chars (drivers/char/virtio_console.c:1176)
[  854.151683][T24227]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  854.151685][T24227]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  854.151688][T24227]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  854.151692][T24227]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  854.151694][T24227]  ? vsnprintf (lib/vsprintf.c:2900)
[  854.151697][T24227]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  854.151699][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151700][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151702][T24227]  console_emit_next_record (kernel/printk/printk.c:3183)
[  854.151705][T24227]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  854.151707][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151708][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151709][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151710][T24227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.151713][T24227]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  854.151714][T24227]  console_flush_one_record (kernel/printk/printk.c:3268)
[  854.151717][T24227]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  854.151720][T24227]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  854.151721][T24227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.151723][T24227]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  854.151725][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151726][T24227]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  854.151728][T24227]  ? 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)
[  854.151729][T24227]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  854.151731][T24227]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  854.151733][T24227]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  854.151734][T24227]  vprintk_emit (kernel/printk/printk.c:2479)
[  854.151736][T24227]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  854.151737][T24227]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  854.151739][T24227]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  854.151742][T24227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.151743][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151745][T24227]  _printk (kernel/printk/printk.c:2504)
[  854.151748][T24227]  ? snapshot_read.cold (user.c:?)
[  854.151750][T24227]  ? br_multicast_flood (??:?)
[  854.151753][T24227]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  854.151756][T24227]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  854.151757][T24227]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  854.151759][T24227]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  854.151762][T24227]  br_init_port (net/bridge/br_stp_if.c:39)
[  854.151763][T24227]  new_nbp (net/bridge/br_if.c:449)
[  854.151766][T24227]  br_add_if (net/bridge/br_if.c:592)
[  854.151767][T24227]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  854.151772][T24227]  do_set_master (net/core/rtnetlink.c:3071)
[  854.151774][T24227]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  854.151775][T24227]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  854.151777][T24227]  ? __dev_get_by_name (net/core/dev.c:905)
[  854.151779][T24227]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  854.151782][T24227]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  854.151785][T24227]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  854.151787][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151788][T24227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  854.151790][T24227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.151791][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151792][T24227]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  854.151795][T24227]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  854.151797][T24227]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  854.151799][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151801][T24227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.151802][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151803][T24227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  854.151805][T24227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  854.151806][T24227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  854.151808][T24227]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  854.151809][T24227]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  854.151813][T24227]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  854.151816][T24227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  854.151818][T24227]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  854.151819][T24227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  854.151821][T24227]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  854.151824][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151825][T24227]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  854.151827][T24227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  854.151829][T24227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  854.151831][T24227]  ? next_uptodate_folio (mm/filemap.c:3747)
[  854.151834][T24227]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  854.151837][T24227]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  854.151839][T24227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.151840][T24227]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  854.151844][T24227]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  854.151847][T24227]  ____sys_sendmsg (net/socket.c:2713)
[  854.151849][T24227]  ? copy_msghdr_from_user (net/socket.c:2650)
[  854.151850][T24227]  ? sock_write_iter (net/socket.c:1269)
[  854.151852][T24227]  ? move_addr_to_kernel (net/socket.c:258)
[  854.151854][T24227]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  854.151856][T24227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.151858][T24227]  ___sys_sendmsg (net/socket.c:2767)
[  854.151860][T24227]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  854.151862][T24227]  ? copy_msghdr_from_user (net/socket.c:2619)
[  854.151864][T24227]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  854.151868][T24227]  __sys_sendmsg (net/socket.c:2799)
[  854.151870][T24227]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  854.151873][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151874][T24227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.151875][T24227]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  854.151878][T24227]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  854.151880][T24227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  854.151882][T24227] RIP: 0033:0x7fb1e46d054e
[  854.151884][T24227] 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
[  854.151885][T24227] RSP: 002b:00007fff69cefe90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  854.151889][T24227] RAX: ffffffffffffffda RBX: 00007fff69cf0658 RCX: 00007fb1e46d054e
[  854.151891][T24227] RDX: 0000000000000000 RSI: 00007fff69ceff40 RDI: 0000000000000005
[  854.151892][T24227] RBP: 00007fff69cefea0 R08: 0000000000000000 R09: 0000000000000000
[  854.151893][T24227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec48
[  854.151894][T24227] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff69cf0610
| [  889.593338][   T12] softirqs last disabled at (2728601): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  889.593340][   T12] Preemption disabled at:
| [  889.593341][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  889.593352][   T12] Tainted: [W]=WARN
[  889.593353][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  889.593355][   T12] Workqueue: netns cleanup_net
[  889.593361][   T12] Call Trace:
[  889.593362][   T12]  <TASK>
[  889.593364][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  889.593369][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  889.593370][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  889.593374][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  889.593376][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  889.593379][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.593382][   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))
[  889.593385][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  889.593388][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  889.593393][   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)
[  889.593395][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  889.593397][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  889.593399][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  889.593401][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  889.593404][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  889.593408][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  889.593410][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  889.593412][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  889.593414][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.593415][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.593417][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  889.593420][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  889.593422][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.593423][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.593424][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.593426][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  889.593428][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  889.593430][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  889.593432][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  889.593435][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  889.593438][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  889.593439][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  889.593441][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.593442][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  889.593444][   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)
[  889.593445][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  889.593447][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  889.593449][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  889.593450][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  889.593452][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  889.593453][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  889.593455][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  889.593458][   T12]  ? kthread (kernel/kthread.c:436)
[  889.593460][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  889.593463][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  889.593465][   T12]  _printk (kernel/printk/printk.c:2504)
[  889.593468][   T12]  ? snapshot_read.cold (user.c:?)
[  889.593471][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  889.593474][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  889.593476][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  889.593479][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  889.593481][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.593482][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  889.593484][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  889.593487][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  889.593488][   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)
[  889.593490][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  889.593492][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  889.593494][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  889.593498][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  889.593500][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  889.593503][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  889.593505][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  889.593507][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  889.593510][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  889.593512][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  889.593514][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  889.593517][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  889.593518][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.593520][   T12]  process_one_work (kernel/workqueue.c:3387)
[  889.593523][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  889.593526][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  889.593528][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  889.593531][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  889.593533][   T12]  kthread (kernel/kthread.c:436)
[  889.593535][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  889.593537][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  889.593539][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  889.593540][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  889.593542][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  889.593545][   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
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
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